Added 2nd hard drive to SATA PCI Card - Parity Check speed decreased by 15x??


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My motherboard (Gigabyte GA-D510UD) only has 4 SATA slots so when I run out of storage space and had to add a 5th hard drive I purchased a SATA PCI Card (VIA VT6421A chipset; no PCI-Express slot on motherboard). In this configuration the parity check would run at speed in the area of 45 Mb/s. A couple of weeks ago I had to add a 6th hard drive, again attached to the SATA PCI Card. Now the parity check runs at speed in the area of 3 Mb/s, i.e. 15x slower!

 

The only explanation I can think of is that the two hard drives attached to SATA PCI Card are being accessed simultaneously thus creating a "traffic jam" on the PCI card, but I don't understand why - neither of them is the parity drive, which is instead connected directly to the motherboard. Shouldn't the parity check be done sequentially, first between the parity drive and one drive, then between the parity drive and another drive, and so on? So the questions - Is this the reason? Is it "normal"? Any solution? Thank you!

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This likely has nothing to do with this issue, but once you get this solved you might want to not assign your PCI slots to 2 consecutive disk slots.  There were reports that interleaving the disks helped (a small amount) with performance.

 

So instead of

 

disk1 - motherboard

disk2 - motherboard

disk3 - motherboard

disk4 - motherboard

disk5 - PCI card

disk6 - PCI card

 

you could have

 

disk1 - motherboard

disk2 - motherboard

disk3 - motherboard

disk4 - PCI card

disk5 - motherboard

disk6 - PCI card

 

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OK, first the syslog. I downloaded it using unMenu and it is huge, so here the most recent rows. Clearly there is something going wrong here...

 

Mar  1 19:46:18 Server kernel: ata4: hard resetting link

Mar  1 19:46:19 Server kernel: ata4: SATA link up 1.5 Gbps (SStatus 113 SControl 310)

Mar  1 19:46:19 Server kernel: ata4.00: configured for UDMA/33

Mar  1 19:46:19 Server kernel: ata4: EH complete

Mar  1 19:46:19 Server kernel: ata3.00: exception Emask 0x12 SAct 0x0 SErr 0x1000500 action 0x6

Mar  1 19:46:19 Server kernel: ata3.00: BMDMA stat 0x5

Mar  1 19:46:19 Server kernel: ata3: SError: { UnrecovData Proto TrStaTrns }

Mar  1 19:46:19 Server kernel: ata3.00: failed command: READ DMA EXT

Mar  1 19:46:19 Server kernel: ata3.00: cmd 25/00:c8:9f:66:58/00:03:15:00:00/e0 tag 0 dma 495616 in

Mar  1 19:46:19 Server kernel:          res 51/84:b7:9f:66:58/84:03:15:00:00/e0 Emask 0x12 (ATA bus error)

Mar  1 19:46:19 Server kernel: ata3.00: status: { DRDY ERR }

Mar  1 19:46:19 Server kernel: ata3.00: error: { ICRC ABRT }

Mar  1 19:46:19 Server kernel: ata3: hard resetting link

Mar  1 19:46:19 Server kernel: ata3: SATA link up 1.5 Gbps (SStatus 113 SControl 310)

Mar  1 19:46:19 Server kernel: ata3.00: configured for UDMA/33

Mar  1 19:46:19 Server kernel: ata3: EH complete

Mar  1 19:46:19 Server kernel: ata4.00: exception Emask 0x12 SAct 0x0 SErr 0x1000500 action 0x6

Mar  1 19:46:19 Server kernel: ata4.00: BMDMA stat 0x5

Mar  1 19:46:19 Server kernel: ata4: SError: { UnrecovData Proto TrStaTrns }

Mar  1 19:46:19 Server kernel: ata4.00: failed command: READ DMA EXT

Mar  1 19:46:19 Server kernel: ata4.00: cmd 25/00:e0:9f:6f:58/00:00:15:00:00/e0 tag 0 dma 114688 in

Mar  1 19:46:19 Server kernel:          res 51/84:cf:9f:6f:58/84:00:15:00:00/e0 Emask 0x12 (ATA bus error)

Mar  1 19:46:19 Server kernel: ata4.00: status: { DRDY ERR }

Mar  1 19:46:19 Server kernel: ata4.00: error: { ICRC ABRT }

Mar  1 19:46:19 Server kernel: ata4: hard resetting link

Mar  1 19:46:19 Server kernel: ata4: SATA link up 1.5 Gbps (SStatus 113 SControl 310)

Mar  1 19:46:19 Server kernel: ata4.00: configured for UDMA/33

Mar  1 19:46:19 Server kernel: ata4: EH complete

Mar  1 19:46:19 Server kernel: ata4.00: exception Emask 0x12 SAct 0x0 SErr 0x1000500 action 0x6

Mar  1 19:46:19 Server kernel: ata4.00: BMDMA stat 0x5

Mar  1 19:46:19 Server kernel: ata4: SError: { UnrecovData Proto TrStaTrns }

Mar  1 19:46:19 Server kernel: ata4.00: failed command: READ DMA EXT

Mar  1 19:46:19 Server kernel: ata4.00: cmd 25/00:00:7f:74:58/00:04:15:00:00/e0 tag 0 dma 524288 in

Mar  1 19:46:19 Server kernel:          res 51/84:5f:7f:74:58/84:01:15:00:00/e0 Emask 0x12 (ATA bus error)

Mar  1 19:46:19 Server kernel: ata4.00: status: { DRDY ERR }

Mar  1 19:46:19 Server kernel: ata4.00: error: { ICRC ABRT }

Mar  1 19:46:19 Server kernel: ata4: hard resetting link

Mar  1 19:46:20 Server kernel: ata4: SATA link up 1.5 Gbps (SStatus 113 SControl 310)

Mar  1 19:46:20 Server kernel: ata4.00: configured for UDMA/33

Mar  1 19:46:20 Server kernel: ata4: EH complete

Mar  1 19:46:20 Server kernel: ata4.00: exception Emask 0x12 SAct 0x0 SErr 0x1000500 action 0x6

Mar  1 19:46:20 Server kernel: ata4.00: BMDMA stat 0x5

Mar  1 19:46:20 Server kernel: ata4: SError: { UnrecovData Proto TrStaTrns }

Mar  1 19:46:20 Server kernel: ata4.00: failed command: READ DMA EXT

Mar  1 19:46:20 Server kernel: ata4.00: cmd 25/00:00:87:7e:58/00:04:15:00:00/e0 tag 0 dma 524288 in

Mar  1 19:46:20 Server kernel:          res 51/84:1f:87:7e:58/84:03:15:00:00/e0 Emask 0x12 (ATA bus error)

Mar  1 19:46:20 Server kernel: ata4.00: status: { DRDY ERR }

Mar  1 19:46:20 Server kernel: ata4.00: error: { ICRC ABRT }

Mar  1 19:46:20 Server kernel: ata4: hard resetting link

Mar  1 19:46:20 Server kernel: ata4: SATA link up 1.5 Gbps (SStatus 113 SControl 310)

Mar  1 19:46:20 Server kernel: ata4.00: configured for UDMA/33

Mar  1 19:46:20 Server kernel: ata4: EH complete

Mar  1 19:46:20 Server kernel: ata4.00: exception Emask 0x12 SAct 0x0 SErr 0x1000500 action 0x6

Mar  1 19:46:20 Server kernel: ata4.00: BMDMA stat 0x5

Mar  1 19:46:20 Server kernel: ata4: SError: { UnrecovData Proto TrStaTrns }

Mar  1 19:46:20 Server kernel: ata4.00: failed command: READ DMA EXT

Mar  1 19:46:20 Server kernel: ata4.00: cmd 25/00:18:97:87:58/00:01:15:00:00/e0 tag 0 dma 143360 in

Mar  1 19:46:20 Server kernel:          res 51/84:d7:97:87:58/84:00:15:00:00/e0 Emask 0x12 (ATA bus error)

Mar  1 19:46:20 Server kernel: ata4.00: status: { DRDY ERR }

Mar  1 19:46:20 Server kernel: ata4.00: error: { ICRC ABRT }

Mar  1 19:46:20 Server kernel: ata4: hard resetting link

Mar  1 19:46:21 Server kernel: ata4: SATA link up 1.5 Gbps (SStatus 113 SControl 310)

Mar  1 19:46:21 Server kernel: ata4.00: configured for UDMA/33

Mar  1 19:46:21 Server kernel: ata4: EH complete

Mar  1 19:46:21 Server kernel: ata3.00: exception Emask 0x12 SAct 0x0 SErr 0x1000500 action 0x6

Mar  1 19:46:21 Server kernel: ata3.00: BMDMA stat 0x5

Mar  1 19:46:21 Server kernel: ata3: SError: { UnrecovData Proto TrStaTrns }

Mar  1 19:46:21 Server kernel: ata3.00: failed command: READ DMA EXT

Mar  1 19:46:21 Server kernel: ata3.00: cmd 25/00:00:97:90:58/00:04:15:00:00/e0 tag 0 dma 524288 in

Mar  1 19:46:21 Server kernel:          res 51/84:af:97:90:58/84:03:15:00:00/e0 Emask 0x12 (ATA bus error)

Mar  1 19:46:21 Server kernel: ata3.00: status: { DRDY ERR }

Mar  1 19:46:21 Server kernel: ata3.00: error: { ICRC ABRT }

Mar  1 19:46:21 Server kernel: ata3: hard resetting link

Mar  1 19:46:21 Server kernel: ata3: SATA link up 1.5 Gbps (SStatus 113 SControl 310)

Mar  1 19:46:21 Server kernel: ata3.00: configured for UDMA/33

Mar  1 19:46:21 Server kernel: ata3: EH complete

Mar  1 19:46:21 Server kernel: ata4.00: exception Emask 0x12 SAct 0x0 SErr 0x1000500 action 0x6

Mar  1 19:46:21 Server kernel: ata4.00: BMDMA stat 0x5

Mar  1 19:46:21 Server kernel: ata4: SError: { UnrecovData Proto TrStaTrns }

Mar  1 19:46:21 Server kernel: ata4.00: failed command: READ DMA EXT

Mar  1 19:46:21 Server kernel: ata4.00: cmd 25/00:00:97:99:58/00:04:15:00:00/e0 tag 0 dma 524288 in

Mar  1 19:46:21 Server kernel:          res 51/84:ef:97:99:58/84:03:15:00:00/e0 Emask 0x12 (ATA bus error)

Mar  1 19:46:21 Server kernel: ata4.00: status: { DRDY ERR }

Mar  1 19:46:21 Server kernel: ata4.00: error: { ICRC ABRT }

Mar  1 19:46:21 Server kernel: ata4: hard resetting link

Mar  1 19:46:22 Server kernel: ata4: SATA link up 1.5 Gbps (SStatus 113 SControl 310)

Mar  1 19:46:22 Server kernel: ata4.00: configured for UDMA/33

Mar  1 19:46:22 Server kernel: ata4: EH complete

Mar  1 19:46:22 Server kernel: ata4.00: exception Emask 0x12 SAct 0x0 SErr 0x1000500 action 0x6

Mar  1 19:46:22 Server kernel: ata4.00: BMDMA stat 0x5

Mar  1 19:46:22 Server kernel: ata4: SError: { UnrecovData Proto TrStaTrns }

Mar  1 19:46:22 Server kernel: ata4.00: failed command: READ DMA EXT

Mar  1 19:46:22 Server kernel: ata4.00: cmd 25/00:90:07:a8:58/00:03:15:00:00/e0 tag 0 dma 466944 in

Mar  1 19:46:22 Server kernel:          res 51/84:6f:07:a8:58/84:03:15:00:00/e0 Emask 0x12 (ATA bus error)

Mar  1 19:46:22 Server kernel: ata4.00: status: { DRDY ERR }

Mar  1 19:46:22 Server kernel: ata4.00: error: { ICRC ABRT }

Mar  1 19:46:22 Server kernel: ata4: hard resetting link

Mar  1 19:46:22 Server kernel: ata4: SATA link up 1.5 Gbps (SStatus 113 SControl 310)

Mar  1 19:46:22 Server kernel: ata4.00: configured for UDMA/33

Mar  1 19:46:22 Server kernel: ata4: EH complete

Mar  1 19:46:22 Server kernel: ata4.00: exception Emask 0x12 SAct 0x0 SErr 0x1000500 action 0x6

Mar  1 19:46:22 Server kernel: ata4.00: BMDMA stat 0x5

Mar  1 19:46:22 Server kernel: ata4: SError: { UnrecovData Proto TrStaTrns }

Mar  1 19:46:22 Server kernel: ata4.00: failed command: READ DMA EXT

Mar  1 19:46:22 Server kernel: ata4.00: cmd 25/00:00:97:ab:58/00:04:15:00:00/e0 tag 0 dma 524288 in

Mar  1 19:46:22 Server kernel:          res 51/84:8f:97:ab:58/84:01:15:00:00/e0 Emask 0x12 (ATA bus error)

Mar  1 19:46:22 Server kernel: ata4.00: status: { DRDY ERR }

Mar  1 19:46:22 Server kernel: ata4.00: error: { ICRC ABRT }

Mar  1 19:46:22 Server kernel: ata4: hard resetting link

Mar  1 19:46:22 Server kernel: ata4: SATA link up 1.5 Gbps (SStatus 113 SControl 310)

Mar  1 19:46:22 Server kernel: ata4.00: configured for UDMA/33

Mar  1 19:46:22 Server kernel: ata4: EH complete

Mar  1 19:46:22 Server kernel: ata4.00: exception Emask 0x12 SAct 0x0 SErr 0x1000500 action 0x6

Mar  1 19:46:22 Server kernel: ata4.00: BMDMA stat 0x5

Mar  1 19:46:22 Server kernel: ata4: SError: { UnrecovData Proto TrStaTrns }

Mar  1 19:46:22 Server kernel: ata4.00: failed command: READ DMA EXT

Mar  1 19:46:22 Server kernel: ata4.00: cmd 25/00:00:97:bd:58/00:04:15:00:00/e0 tag 0 dma 524288 in

Mar  1 19:46:22 Server kernel:          res 51/84:ef:97:bd:58/84:03:15:00:00/e0 Emask 0x12 (ATA bus error)

Mar  1 19:46:22 Server kernel: ata4.00: status: { DRDY ERR }

Mar  1 19:46:22 Server kernel: ata4.00: error: { ICRC ABRT }

Mar  1 19:46:22 Server kernel: ata4: hard resetting link

Mar  1 19:46:23 Server kernel: ata4: SATA link up 1.5 Gbps (SStatus 113 SControl 310)

Mar  1 19:46:23 Server kernel: ata4.00: configured for UDMA/33

Mar  1 19:46:23 Server kernel: ata4: EH complete

Mar  1 19:46:23 Server kernel: ata4.00: exception Emask 0x12 SAct 0x0 SErr 0x1000500 action 0x6

Mar  1 19:46:23 Server kernel: ata4.00: BMDMA stat 0x5

Mar  1 19:46:23 Server kernel: ata4: SError: { UnrecovData Proto TrStaTrns }

Mar  1 19:46:23 Server kernel: ata4.00: failed command: READ DMA EXT

Mar  1 19:46:23 Server kernel: ata4.00: cmd 25/00:00:0f:c8:58/00:04:15:00:00/e0 tag 0 dma 524288 in

Mar  1 19:46:23 Server kernel:          res 51/84:4f:0f:c8:58/84:01:15:00:00/e0 Emask 0x12 (ATA bus error)

Mar  1 19:46:23 Server kernel: ata4.00: status: { DRDY ERR }

Mar  1 19:46:23 Server kernel: ata4.00: error: { ICRC ABRT }

Mar  1 19:46:23 Server kernel: ata4: hard resetting link

Mar  1 19:46:23 Server kernel: ata4: SATA link up 1.5 Gbps (SStatus 113 SControl 310)

Mar  1 19:46:23 Server kernel: ata4.00: configured for UDMA/33

Mar  1 19:46:23 Server kernel: ata4: EH complete

Mar  1 19:46:23 Server kernel: ata4.00: exception Emask 0x12 SAct 0x0 SErr 0x1000500 action 0x6

Mar  1 19:46:23 Server kernel: ata4.00: BMDMA stat 0x5

Mar  1 19:46:23 Server kernel: ata4: SError: { UnrecovData Proto TrStaTrns }

Mar  1 19:46:23 Server kernel: ata4.00: failed command: READ DMA EXT

Mar  1 19:46:23 Server kernel: ata4.00: cmd 25/00:00:67:d1:58/00:04:15:00:00/e0 tag 0 dma 524288 in

Mar  1 19:46:23 Server kernel:          res 51/84:7f:67:d1:58/84:01:15:00:00/e0 Emask 0x12 (ATA bus error)

Mar  1 19:46:23 Server kernel: ata4.00: status: { DRDY ERR }

Mar  1 19:46:23 Server kernel: ata4.00: error: { ICRC ABRT }

Mar  1 19:46:23 Server kernel: ata4: hard resetting link

Mar  1 19:46:24 Server kernel: ata4: SATA link up 1.5 Gbps (SStatus 113 SControl 310)

Mar  1 19:46:24 Server kernel: ata4.00: configured for UDMA/33

Mar  1 19:46:24 Server kernel: ata4: EH complete

Mar  1 19:46:24 Server kernel: ata3.00: exception Emask 0x12 SAct 0x0 SErr 0x1000500 action 0x6

Mar  1 19:46:24 Server kernel: ata3.00: BMDMA stat 0x5

Mar  1 19:46:24 Server kernel: ata3: SError: { UnrecovData Proto TrStaTrns }

Mar  1 19:46:24 Server kernel: ata3.00: failed command: READ DMA EXT

Mar  1 19:46:24 Server kernel: ata3.00: cmd 25/00:00:67:da:58/00:04:15:00:00/e0 tag 0 dma 524288 in

Mar  1 19:46:24 Server kernel:          res 51/84:4f:67:da:58/84:03:15:00:00/e0 Emask 0x12 (ATA bus error)

Mar  1 19:46:24 Server kernel: ata3.00: status: { DRDY ERR }

Mar  1 19:46:24 Server kernel: ata3.00: error: { ICRC ABRT }

Mar  1 19:46:24 Server kernel: ata3: hard resetting link

Mar  1 19:46:24 Server kernel: ata3: SATA link up 1.5 Gbps (SStatus 113 SControl 310)

Mar  1 19:46:24 Server kernel: ata3.00: configured for UDMA/33

Mar  1 19:46:24 Server kernel: ata3: EH complete

Mar  1 19:46:24 Server kernel: ata3.00: exception Emask 0x12 SAct 0x0 SErr 0x1000500 action 0x6

Mar  1 19:46:24 Server kernel: ata3.00: BMDMA stat 0x5

Mar  1 19:46:24 Server kernel: ata3: SError: { UnrecovData Proto TrStaTrns }

Mar  1 19:46:24 Server kernel: ata3.00: failed command: READ DMA EXT

Mar  1 19:46:24 Server kernel: ata3.00: cmd 25/00:f8:6f:df:58/00:03:15:00:00/e0 tag 0 dma 520192 in

Mar  1 19:46:24 Server kernel:          res 51/84:77:6f:df:58/84:03:15:00:00/e0 Emask 0x12 (ATA bus error)

Mar  1 19:46:24 Server kernel: ata3.00: status: { DRDY ERR }

Mar  1 19:46:24 Server kernel: ata3.00: error: { ICRC ABRT }

Mar  1 19:46:24 Server kernel: ata3: hard resetting link

Mar  1 19:46:25 Server kernel: ata3: SATA link up 1.5 Gbps (SStatus 113 SControl 310)

Mar  1 19:46:25 Server kernel: ata3.00: configured for UDMA/33

Mar  1 19:46:25 Server kernel: ata3: EH complete

Mar  1 19:46:25 Server kernel: ata3.00: exception Emask 0x12 SAct 0x0 SErr 0x1000500 action 0x6

Mar  1 19:46:25 Server kernel: ata3.00: BMDMA stat 0x5

Mar  1 19:46:25 Server kernel: ata3: SError: { UnrecovData Proto TrStaTrns }

Mar  1 19:46:25 Server kernel: ata3.00: failed command: READ DMA EXT

Mar  1 19:46:25 Server kernel: ata3.00: cmd 25/00:00:6f:e8:58/00:04:15:00:00/e0 tag 0 dma 524288 in

Mar  1 19:46:25 Server kernel:          res 51/84:0f:6f:e8:58/84:00:15:00:00/e0 Emask 0x12 (ATA bus error)

Mar  1 19:46:25 Server kernel: ata3.00: status: { DRDY ERR }

Mar  1 19:46:25 Server kernel: ata3.00: error: { ICRC ABRT }

Mar  1 19:46:25 Server kernel: ata3: hard resetting link

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Smart Status Report for one of the hard drives:

 

Statistics for /dev/sdg 00S_WD-WCAVY3453118

 

smartctl -a -d ata /dev/sdg

smartctl version 5.38 [i486-slackware-linux-gnu] Copyright © 2002-8 Bruce Allen

Home page is http://smartmontools.sourceforge.net/

 

=== START OF INFORMATION SECTION ===

Device Model:    WDC WD20EADS-00S2B0

Serial Number:    WD-WCAVY3453118

Firmware Version: 01.00A01

User Capacity:    2,000,398,934,016 bytes

Device is:        Not in smartctl database [for details use: -P showall]

ATA Version is:  8

ATA Standard is:  Exact ATA specification draft version not indicated

Local Time is:    Tue Mar  1 19:48:42 2011 GMT

SMART support is: Available - device has SMART capability.

SMART support is: Enabled

 

=== START OF READ SMART DATA SECTION ===

SMART overall-health self-assessment test result: PASSED

 

General SMART Values:

Offline data collection status:  (0x84) Offline data collection activity

was suspended by an interrupting command from host.

Auto Offline Data Collection: Enabled.

Self-test execution status:      (  0) The previous self-test routine completed

without error or no self-test has ever

been run.

Total time to complete Offline

data collection: (41100) seconds.

Offline data collection

capabilities: (0x7b) SMART execute Offline immediate.

Auto Offline data collection on/off support.

Suspend Offline collection upon new

command.

Offline surface scan supported.

Self-test supported.

Conveyance Self-test supported.

Selective Self-test supported.

SMART capabilities:            (0x0003) Saves SMART data before entering

power-saving mode.

Supports SMART auto save timer.

Error logging capability:        (0x01) Error logging supported.

General Purpose Logging supported.

Short self-test routine

recommended polling time: (  2) minutes.

Extended self-test routine

recommended polling time: ( 255) minutes.

Conveyance self-test routine

recommended polling time: (  5) minutes.

SCT capabilities:       (0x3037) SCT Status supported.

SCT Feature Control supported.

SCT Data Table supported.

 

SMART Attributes Data Structure revision number: 16

Vendor Specific SMART Attributes with Thresholds:

ID# ATTRIBUTE_NAME          FLAG    VALUE WORST THRESH TYPE      UPDATED  WHEN_FAILED RAW_VALUE

  1 Raw_Read_Error_Rate    0x002f  200  200  051    Pre-fail  Always      -      8

  3 Spin_Up_Time            0x0027  186  151  021    Pre-fail  Always      -      7700

  4 Start_Stop_Count        0x0032  100  100  000    Old_age  Always      -      968

  5 Reallocated_Sector_Ct  0x0033  200  199  140    Pre-fail  Always      -      0

  7 Seek_Error_Rate        0x002e  100  253  000    Old_age  Always      -      0

  9 Power_On_Hours          0x0032  093  093  000    Old_age  Always      -      5322

10 Spin_Retry_Count        0x0032  100  100  000    Old_age  Always      -      0

11 Calibration_Retry_Count 0x0032  100  253  000    Old_age  Always      -      0

12 Power_Cycle_Count      0x0032  100  100  000    Old_age  Always      -      21

192 Power-Off_Retract_Count 0x0032  200  200  000    Old_age  Always      -      7

193 Load_Cycle_Count        0x0032  190  190  000    Old_age  Always      -      31072

194 Temperature_Celsius    0x0022  107  102  000    Old_age  Always      -      45

196 Reallocated_Event_Count 0x0032  200  200  000    Old_age  Always      -      0

197 Current_Pending_Sector  0x0032  200  200  000    Old_age  Always      -      0

198 Offline_Uncorrectable  0x0030  200  200  000    Old_age  Offline      -      1

199 UDMA_CRC_Error_Count    0x0032  200  200  000    Old_age  Always      -      0

200 Multi_Zone_Error_Rate  0x0008  198  198  000    Old_age  Offline      -      405

 

SMART Error Log Version: 1

Warning: ATA error count 36 inconsistent with error log pointer 4

 

ATA Error Count: 36 (device log contains only the most recent five errors)

CR = Command Register [HEX]

FR = Features Register [HEX]

SC = Sector Count Register [HEX]

SN = Sector Number Register [HEX]

CL = Cylinder Low Register [HEX]

CH = Cylinder High Register [HEX]

DH = Device/Head Register [HEX]

DC = Device Command Register [HEX]

ER = Error register [HEX]

ST = Status register [HEX]

Powered_Up_Time is measured from power on, and printed as

DDd+hh:mm:SS.sss where DD=days, hh=hours, mm=minutes,

SS=sec, and sss=millisec. It "wraps" after 49.710 days.

 

Error 36 occurred at disk power-on lifetime: 1102 hours (45 days + 22 hours)

  When the command that caused the error occurred, the device was active or idle.

 

  After command completion occurred, registers were:

  ER ST SC SN CL CH DH

  -- -- -- -- -- -- --

  40 51 08 2f 9b 16 e0  Error: UNC 8 sectors at LBA = 0x00169b2f = 1481519

 

  Commands leading to the command that caused the error were:

  CR FR SC SN CL CH DH DC  Powered_Up_Time  Command/Feature_Name

  -- -- -- -- -- -- -- --  ----------------  --------------------

  c8 00 08 2f 9b 16 e0 08  45d+12:26:21.512  READ DMA

  ef 10 02 00 00 00 a0 08  45d+12:26:21.512  SET FEATURES [Reserved for Serial ATA]

  ec 00 00 00 00 00 a0 08  45d+12:26:21.509  IDENTIFY DEVICE

  ef 03 46 00 00 00 a0 08  45d+12:26:21.509  SET FEATURES [set transfer mode]

 

Error 35 occurred at disk power-on lifetime: 1102 hours (45 days + 22 hours)

  When the command that caused the error occurred, the device was active or idle.

 

  After command completion occurred, registers were:

  ER ST SC SN CL CH DH

  -- -- -- -- -- -- --

  40 51 08 31 9b 16 e0  Error: UNC 8 sectors at LBA = 0x00169b31 = 1481521

 

  Commands leading to the command that caused the error were:

  CR FR SC SN CL CH DH DC  Powered_Up_Time  Command/Feature_Name

  -- -- -- -- -- -- -- --  ----------------  --------------------

  c8 00 08 2f 9b 16 e0 08  45d+12:26:18.049  READ DMA

  ef 10 02 00 00 00 a0 08  45d+12:26:18.049  SET FEATURES [Reserved for Serial ATA]

  ec 00 00 00 00 00 a0 08  45d+12:26:18.046  IDENTIFY DEVICE

  ef 03 46 00 00 00 a0 08  45d+12:26:18.046  SET FEATURES [set transfer mode]

 

Error 34 occurred at disk power-on lifetime: 1102 hours (45 days + 22 hours)

  When the command that caused the error occurred, the device was active or idle.

 

  After command completion occurred, registers were:

  ER ST SC SN CL CH DH

  -- -- -- -- -- -- --

  40 51 08 2f 9b 16 e0  Error: UNC 8 sectors at LBA = 0x00169b2f = 1481519

 

  Commands leading to the command that caused the error were:

  CR FR SC SN CL CH DH DC  Powered_Up_Time  Command/Feature_Name

  -- -- -- -- -- -- -- --  ----------------  --------------------

  c8 00 08 2f 9b 16 e0 08  45d+12:26:15.551  READ DMA

  ef 10 02 00 00 00 a0 08  45d+12:26:15.551  SET FEATURES [Reserved for Serial ATA]

  ec 00 00 00 00 00 a0 08  45d+12:26:15.548  IDENTIFY DEVICE

  ef 03 46 00 00 00 a0 08  45d+12:26:15.548  SET FEATURES [set transfer mode]

 

SMART Self-test log structure revision number 1

Num  Test_Description    Status                  Remaining  LifeTime(hours)  LBA_of_first_error

# 1  Short offline      Completed: read failure      90%      1190        1481530

 

SMART Selective self-test log data structure revision number 1

SPAN  MIN_LBA  MAX_LBA  CURRENT_TEST_STATUS

    1        0        0  Not_testing

    2        0        0  Not_testing

    3        0        0  Not_testing

    4        0        0  Not_testing

    5        0        0  Not_testing

Selective self-test flags (0x0):

  After scanning selected spans, do NOT read-scan remainder of disk.

If Selective self-test is pending on power-up, resume after 0 minute delay.

Link to comment

And for the other:

 

Statistics for /dev/sde 00M_WD-WCAZA0670624

 

smartctl -a -d ata /dev/sde

smartctl version 5.38 [i486-slackware-linux-gnu] Copyright © 2002-8 Bruce Allen

Home page is http://smartmontools.sourceforge.net/

 

=== START OF INFORMATION SECTION ===

Device Model:    WDC WD20EARS-00MVWB0

Serial Number:    WD-WCAZA0670624

Firmware Version: 51.0AB51

User Capacity:    2,000,398,934,016 bytes

Device is:        Not in smartctl database [for details use: -P showall]

ATA Version is:  8

ATA Standard is:  Exact ATA specification draft version not indicated

Local Time is:    Tue Mar  1 19:49:32 2011 GMT

SMART support is: Available - device has SMART capability.

SMART support is: Enabled

 

=== START OF READ SMART DATA SECTION ===

SMART overall-health self-assessment test result: PASSED

 

General SMART Values:

Offline data collection status:  (0x84) Offline data collection activity

was suspended by an interrupting command from host.

Auto Offline Data Collection: Enabled.

Self-test execution status:      (  0) The previous self-test routine completed

without error or no self-test has ever

been run.

Total time to complete Offline

data collection: (39000) seconds.

Offline data collection

capabilities: (0x7b) SMART execute Offline immediate.

Auto Offline data collection on/off support.

Suspend Offline collection upon new

command.

Offline surface scan supported.

Self-test supported.

Conveyance Self-test supported.

Selective Self-test supported.

SMART capabilities:            (0x0003) Saves SMART data before entering

power-saving mode.

Supports SMART auto save timer.

Error logging capability:        (0x01) Error logging supported.

General Purpose Logging supported.

Short self-test routine

recommended polling time: (  2) minutes.

Extended self-test routine

recommended polling time: ( 255) minutes.

Conveyance self-test routine

recommended polling time: (  5) minutes.

SCT capabilities:       (0x3035) SCT Status supported.

SCT Feature Control supported.

SCT Data Table supported.

 

SMART Attributes Data Structure revision number: 16

Vendor Specific SMART Attributes with Thresholds:

ID# ATTRIBUTE_NAME          FLAG    VALUE WORST THRESH TYPE      UPDATED  WHEN_FAILED RAW_VALUE

  1 Raw_Read_Error_Rate    0x002f  200  200  051    Pre-fail  Always      -      0

  3 Spin_Up_Time            0x0027  173  171  021    Pre-fail  Always      -      6350

  4 Start_Stop_Count        0x0032  100  100  000    Old_age  Always      -      517

  5 Reallocated_Sector_Ct  0x0033  200  200  140    Pre-fail  Always      -      0

  7 Seek_Error_Rate        0x002e  200  200  000    Old_age  Always      -      0

  9 Power_On_Hours          0x0032  096  096  000    Old_age  Always      -      3507

10 Spin_Retry_Count        0x0032  100  100  000    Old_age  Always      -      0

11 Calibration_Retry_Count 0x0032  100  253  000    Old_age  Always      -      0

12 Power_Cycle_Count      0x0032  100  100  000    Old_age  Always      -      13

192 Power-Off_Retract_Count 0x0032  200  200  000    Old_age  Always      -      9

193 Load_Cycle_Count        0x0032  196  196  000    Old_age  Always      -      13753

194 Temperature_Celsius    0x0022  114  107  000    Old_age  Always      -      36

196 Reallocated_Event_Count 0x0032  200  200  000    Old_age  Always      -      0

197 Current_Pending_Sector  0x0032  200  200  000    Old_age  Always      -      0

198 Offline_Uncorrectable  0x0030  200  200  000    Old_age  Offline      -      0

199 UDMA_CRC_Error_Count    0x0032  200  200  000    Old_age  Always      -      0

200 Multi_Zone_Error_Rate  0x0008  200  200  000    Old_age  Offline      -      0

 

SMART Error Log Version: 1

No Errors Logged

 

SMART Self-test log structure revision number 1

No self-tests have been logged.  [To run self-tests, use: smartctl -t]

 

 

SMART Selective self-test log data structure revision number 1

SPAN  MIN_LBA  MAX_LBA  CURRENT_TEST_STATUS

    1        0        0  Not_testing

    2        0        0  Not_testing

    3        0        0  Not_testing

    4        0        0  Not_testing

    5        0        0  Not_testing

Selective self-test flags (0x0):

  After scanning selected spans, do NOT read-scan remainder of disk.

If Selective self-test is pending on power-up, resume after 0 minute delay.

 

 

 

Link to comment

Unfortunately no luck: checked all connections, changed SATA cable on hard drive 118, relaunched parity check - and still 3Mb/sec speed. See new syslog below: clearly something still wrong, but too cryptic for me to understand. Any further suggestions? The strange thing is that the unRaid server works otherwise perfectly and it reports no error...

 

Mar 2 20:25:07 Server kernel: ata4: hard resetting link

Mar 2 20:25:07 Server kernel: ata4: SATA link up 1.5 Gbps (SStatus 113 SControl 310)

Mar 2 20:25:07 Server kernel: ata4.00: configured for UDMA/33

Mar 2 20:25:07 Server kernel: ata4: EH complete

Mar 2 20:25:07 Server kernel: ata3.00: exception Emask 0x12 SAct 0x0 SErr 0x1000500 action 0x6

Mar 2 20:25:07 Server kernel: ata3.00: BMDMA stat 0x5

Mar 2 20:25:07 Server kernel: ata3: SError: { UnrecovData Proto TrStaTrns }

Mar 2 20:25:07 Server kernel: ata3.00: failed command: READ DMA EXT

Mar 2 20:25:07 Server kernel: ata3.00: cmd 25/00:00:9f:26:08/00:04:00:00:00/e0 tag 0 dma 524288 in

Mar 2 20:25:07 Server kernel: res 51/84:ef:9f:26:08/84:03:00:00:00/e0 Emask 0x12 (ATA bus error)

Mar 2 20:25:07 Server kernel: ata3.00: status: { DRDY ERR }

Mar 2 20:25:07 Server kernel: ata3.00: error: { ICRC ABRT }

Mar 2 20:25:07 Server kernel: ata3: hard resetting link

Mar 2 20:25:07 Server kernel: ata3: SATA link up 1.5 Gbps (SStatus 113 SControl 310)

Mar 2 20:25:07 Server kernel: ata3.00: configured for UDMA/33

Mar 2 20:25:07 Server kernel: ata3: EH complete

Mar 2 20:25:08 Server kernel: ata4.00: exception Emask 0x12 SAct 0x0 SErr 0x1000500 action 0x6

Mar 2 20:25:08 Server kernel: ata4.00: BMDMA stat 0x5

Mar 2 20:25:08 Server kernel: ata4: SError: { UnrecovData Proto TrStaTrns }

Mar 2 20:25:08 Server kernel: ata4.00: failed command: READ DMA EXT

Mar 2 20:25:08 Server kernel: ata4.00: cmd 25/00:00:9f:2f:08/00:04:00:00:00/e0 tag 0 dma 524288 in

Mar 2 20:25:08 Server kernel: res 51/84:df:9f:2f:08/84:03:00:00:00/e0 Emask 0x12 (ATA bus error)

Mar 2 20:25:08 Server kernel: ata4.00: status: { DRDY ERR }

Mar 2 20:25:08 Server kernel: ata4.00: error: { ICRC ABRT }

Mar 2 20:25:08 Server kernel: ata4: hard resetting link

Mar 2 20:25:08 Server kernel: ata3.00: exception Emask 0x12 SAct 0x0 SErr 0x1000500 action 0x6

Mar 2 20:25:08 Server kernel: ata3.00: BMDMA stat 0x5

Mar 2 20:25:08 Server kernel: ata3: SError: { UnrecovData Proto TrStaTrns }

Mar 2 20:25:08 Server kernel: ata3.00: failed command: READ DMA EXT

Mar 2 20:25:08 Server kernel: ata3.00: cmd 25/00:00:9f:2f:08/00:04:00:00:00/e0 tag 0 dma 524288 in

Mar 2 20:25:08 Server kernel: res 51/84:5f:9f:2f:08/84:02:00:00:00/e0 Emask 0x12 (ATA bus error)

Mar 2 20:25:08 Server kernel: ata3.00: status: { DRDY ERR }

Mar 2 20:25:08 Server kernel: ata3.00: error: { ICRC ABRT }

Mar 2 20:25:08 Server kernel: ata3: hard resetting link

Mar 2 20:25:08 Server kernel: ata3: SATA link up 1.5 Gbps (SStatus 113 SControl 310)

Mar 2 20:25:08 Server kernel: ata4: SATA link up 1.5 Gbps (SStatus 113 SControl 310)

Mar 2 20:25:08 Server kernel: ata3.00: configured for UDMA/33

Mar 2 20:25:08 Server kernel: ata3: EH complete

Mar 2 20:25:08 Server kernel: ata4.00: configured for UDMA/33

Mar 2 20:25:08 Server kernel: ata4: EH complete

Mar 2 20:25:08 Server kernel: ata4.00: exception Emask 0x12 SAct 0x0 SErr 0x1000500 action 0x6

Mar 2 20:25:08 Server kernel: ata4.00: BMDMA stat 0x5

Mar 2 20:25:08 Server kernel: ata4: SError: { UnrecovData Proto TrStaTrns }

Mar 2 20:25:08 Server kernel: ata4.00: failed command: READ DMA EXT

Mar 2 20:25:08 Server kernel: ata4.00: cmd 25/00:78:9f:38:08/00:01:00:00:00/e0 tag 0 dma 192512 in

Mar 2 20:25:08 Server kernel: res 51/84:67:9f:38:08/84:00:00:00:00/e0 Emask 0x12 (ATA bus error)

Mar 2 20:25:08 Server kernel: ata4.00: status: { DRDY ERR }

Mar 2 20:25:08 Server kernel: ata4.00: error: { ICRC ABRT }

Mar 2 20:25:08 Server kernel: ata4: hard resetting link

Mar 2 20:25:08 Server kernel: ata4: SATA link up 1.5 Gbps (SStatus 113 SControl 310)

Mar 2 20:25:08 Server kernel: ata4.00: configured for UDMA/33

Mar 2 20:25:08 Server kernel: ata4: EH complete

Mar 2 20:25:08 Server kernel: ata3.00: exception Emask 0x12 SAct 0x0 SErr 0x1000500 action 0x6

Mar 2 20:25:08 Server kernel: ata3.00: BMDMA stat 0x5

Mar 2 20:25:08 Server kernel: ata3: SError: { UnrecovData Proto TrStaTrns }

Mar 2 20:25:08 Server kernel: ata3.00: failed command: READ DMA

Mar 2 20:25:08 Server kernel: ata3.00: cmd c8/00:60:9f:41:08/00:00:00:00:00/e0 tag 0 dma 49152 in

Mar 2 20:25:08 Server kernel: res 51/84:1f:9f:41:08/84:02:00:00:00/e0 Emask 0x12 (ATA bus error)

Mar 2 20:25:08 Server kernel: ata3.00: status: { DRDY ERR }

Mar 2 20:25:08 Server kernel: ata3.00: error: { ICRC ABRT }

Mar 2 20:25:08 Server kernel: ata3: hard resetting link

Mar 2 20:25:09 Server kernel: ata3: SATA link up 1.5 Gbps (SStatus 113 SControl 310)

Mar 2 20:25:09 Server kernel: ata3.00: configured for UDMA/33

Mar 2 20:25:09 Server kernel: ata3: EH complete

Mar 2 20:25:09 Server kernel: ata4.00: exception Emask 0x12 SAct 0x0 SErr 0x1000500 action 0x6

Mar 2 20:25:09 Server kernel: ata4.00: BMDMA stat 0x5

Mar 2 20:25:09 Server kernel: ata4: SError: { UnrecovData Proto TrStaTrns }

Mar 2 20:25:09 Server kernel: ata4.00: failed command: READ DMA EXT

Mar 2 20:25:09 Server kernel: ata4.00: cmd 25/00:00:9f:4a:08/00:04:00:00:00/e0 tag 0 dma 524288 in

Mar 2 20:25:09 Server kernel: res 51/84:ef:9f:4a:08/84:03:00:00:00/e0 Emask 0x12 (ATA bus error)

Mar 2 20:25:09 Server kernel: ata4.00: status: { DRDY ERR }

Mar 2 20:25:09 Server kernel: ata4.00: error: { ICRC ABRT }

Mar 2 20:25:09 Server kernel: ata4: hard resetting link

Mar 2 20:25:09 Server kernel: ata4: SATA link up 1.5 Gbps (SStatus 113 SControl 310)

Mar 2 20:25:09 Server kernel: ata4.00: configured for UDMA/33

Mar 2 20:25:09 Server kernel: ata4: EH complete

Mar 2 20:25:09 Server kernel: ata4.00: exception Emask 0x12 SAct 0x0 SErr 0x1000500 action 0x6

Mar 2 20:25:09 Server kernel: ata4.00: BMDMA stat 0x5

Mar 2 20:25:09 Server kernel: ata4: SError: { UnrecovData Proto TrStaTrns }

Mar 2 20:25:09 Server kernel: ata4.00: failed command: READ DMA EXT

Mar 2 20:25:09 Server kernel: ata4.00: cmd 25/00:00:9f:52:08/00:04:00:00:00/e0 tag 0 dma 524288 in

Mar 2 20:25:09 Server kernel: res 51/84:5f:9f:52:08/84:03:00:00:00/e0 Emask 0x12 (ATA bus error)

Mar 2 20:25:09 Server kernel: ata4.00: status: { DRDY ERR }

Mar 2 20:25:09 Server kernel: ata4.00: error: { ICRC ABRT }

Mar 2 20:25:09 Server kernel: ata4: hard resetting link

Mar 2 20:25:10 Server kernel: ata4: SATA link up 1.5 Gbps (SStatus 113 SControl 310)

Mar 2 20:25:10 Server kernel: ata4.00: configured for UDMA/33

Mar 2 20:25:10 Server kernel: ata4: EH complete

Mar 2 20:25:10 Server kernel: ata4.00: exception Emask 0x12 SAct 0x0 SErr 0x1000500 action 0x6

Mar 2 20:25:10 Server kernel: ata4.00: BMDMA stat 0x5

Mar 2 20:25:10 Server kernel: ata4: SError: { UnrecovData Proto TrStaTrns }

Mar 2 20:25:10 Server kernel: ata4.00: failed command: READ DMA EXT

Mar 2 20:25:10 Server kernel: ata4.00: cmd 25/00:00:9f:5a:08/00:04:00:00:00/e0 tag 0 dma 524288 in

Mar 2 20:25:10 Server kernel: res 51/84:00:9f:5a:08/84:00:00:00:00/e0 Emask 0x12 (ATA bus error)

Mar 2 20:25:10 Server kernel: ata4.00: status: { DRDY ERR }

Mar 2 20:25:10 Server kernel: ata4.00: error: { ICRC ABRT }

Mar 2 20:25:10 Server kernel: ata4: hard resetting link

Mar 2 20:25:10 Server kernel: ata4: SATA link up 1.5 Gbps (SStatus 113 SControl 310)

Mar 2 20:25:10 Server kernel: ata4.00: configured for UDMA/33

Mar 2 20:25:10 Server kernel: ata4: EH complete

Mar 2 20:25:10 Server kernel: ata3.00: exception Emask 0x12 SAct 0x0 SErr 0x1000500 action 0x6

Mar 2 20:25:10 Server kernel: ata3.00: BMDMA stat 0x5

Mar 2 20:25:10 Server kernel: ata3: SError: { UnrecovData Proto TrStaTrns }

Mar 2 20:25:10 Server kernel: ata3.00: failed command: READ DMA EXT

Mar 2 20:25:10 Server kernel: ata3.00: cmd 25/00:58:9f:75:08/00:03:00:00:00/e0 tag 0 dma 438272 in

Mar 2 20:25:10 Server kernel: res 51/84:37:9f:75:08/84:03:00:00:00/e0 Emask 0x12 (ATA bus error)

Mar 2 20:25:10 Server kernel: ata3.00: status: { DRDY ERR }

Mar 2 20:25:10 Server kernel: ata3.00: error: { ICRC ABRT }

Mar 2 20:25:10 Server kernel: ata3: hard resetting link

Link to comment

Smart Status Report for hard drive 118 (I re-run a Short Smart Test). Nothing new here:

 

Statistics for /dev/sdg 00S_WD-WCAVY3453118

 

smartctl -a -d ata /dev/sdg

smartctl version 5.38 [i486-slackware-linux-gnu] Copyright © 2002-8 Bruce Allen

Home page is http://smartmontools.sourceforge.net/

 

=== START OF INFORMATION SECTION ===

Device Model:    WDC WD20EADS-00S2B0

Serial Number:    WD-WCAVY3453118

Firmware Version: 01.00A01

User Capacity:    2,000,398,934,016 bytes

Device is:        Not in smartctl database [for details use: -P showall]

ATA Version is:  8

ATA Standard is:  Exact ATA specification draft version not indicated

Local Time is:    Wed Mar  2 20:33:18 2011 GMT

SMART support is: Available - device has SMART capability.

SMART support is: Enabled

 

=== START OF READ SMART DATA SECTION ===

SMART overall-health self-assessment test result: PASSED

 

General SMART Values:

Offline data collection status:  (0x85) Offline data collection activity

was aborted by an interrupting command from host.

Auto Offline Data Collection: Enabled.

Self-test execution status:      (  0) The previous self-test routine completed

without error or no self-test has ever

been run.

Total time to complete Offline

data collection: (41100) seconds.

Offline data collection

capabilities: (0x7b) SMART execute Offline immediate.

Auto Offline data collection on/off support.

Suspend Offline collection upon new

command.

Offline surface scan supported.

Self-test supported.

Conveyance Self-test supported.

Selective Self-test supported.

SMART capabilities:            (0x0003) Saves SMART data before entering

power-saving mode.

Supports SMART auto save timer.

Error logging capability:        (0x01) Error logging supported.

General Purpose Logging supported.

Short self-test routine

recommended polling time: (  2) minutes.

Extended self-test routine

recommended polling time: ( 255) minutes.

Conveyance self-test routine

recommended polling time: (  5) minutes.

SCT capabilities:       (0x3037) SCT Status supported.

SCT Feature Control supported.

SCT Data Table supported.

 

SMART Attributes Data Structure revision number: 16

Vendor Specific SMART Attributes with Thresholds:

ID# ATTRIBUTE_NAME          FLAG    VALUE WORST THRESH TYPE      UPDATED  WHEN_FAILED RAW_VALUE

  1 Raw_Read_Error_Rate    0x002f  200  200  051    Pre-fail  Always      -      8

  3 Spin_Up_Time            0x0027  163  151  021    Pre-fail  Always      -      8841

  4 Start_Stop_Count        0x0032  100  100  000    Old_age  Always      -      971

  5 Reallocated_Sector_Ct  0x0033  200  199  140    Pre-fail  Always      -      0

  7 Seek_Error_Rate        0x002e  200  200  000    Old_age  Always      -      0

  9 Power_On_Hours          0x0032  093  093  000    Old_age  Always      -      5346

10 Spin_Retry_Count        0x0032  100  100  000    Old_age  Always      -      0

11 Calibration_Retry_Count 0x0032  100  253  000    Old_age  Always      -      0

12 Power_Cycle_Count      0x0032  100  100  000    Old_age  Always      -      23

192 Power-Off_Retract_Count 0x0032  200  200  000    Old_age  Always      -      8

193 Load_Cycle_Count        0x0032  190  190  000    Old_age  Always      -      32114

194 Temperature_Celsius    0x0022  115  102  000    Old_age  Always      -      37

196 Reallocated_Event_Count 0x0032  200  200  000    Old_age  Always      -      0

197 Current_Pending_Sector  0x0032  200  200  000    Old_age  Always      -      0

198 Offline_Uncorrectable  0x0030  200  200  000    Old_age  Offline      -      1

199 UDMA_CRC_Error_Count    0x0032  200  200  000    Old_age  Always      -      0

200 Multi_Zone_Error_Rate  0x0008  198  198  000    Old_age  Offline      -      405

 

SMART Error Log Version: 1

Warning: ATA error count 36 inconsistent with error log pointer 4

 

ATA Error Count: 36 (device log contains only the most recent five errors)

CR = Command Register [HEX]

FR = Features Register [HEX]

SC = Sector Count Register [HEX]

SN = Sector Number Register [HEX]

CL = Cylinder Low Register [HEX]

CH = Cylinder High Register [HEX]

DH = Device/Head Register [HEX]

DC = Device Command Register [HEX]

ER = Error register [HEX]

ST = Status register [HEX]

Powered_Up_Time is measured from power on, and printed as

DDd+hh:mm:SS.sss where DD=days, hh=hours, mm=minutes,

SS=sec, and sss=millisec. It "wraps" after 49.710 days.

 

Error 36 occurred at disk power-on lifetime: 1102 hours (45 days + 22 hours)

  When the command that caused the error occurred, the device was active or idle.

 

  After command completion occurred, registers were:

  ER ST SC SN CL CH DH

  -- -- -- -- -- -- --

  40 51 08 2f 9b 16 e0  Error: UNC 8 sectors at LBA = 0x00169b2f = 1481519

 

  Commands leading to the command that caused the error were:

  CR FR SC SN CL CH DH DC  Powered_Up_Time  Command/Feature_Name

  -- -- -- -- -- -- -- --  ----------------  --------------------

  c8 00 08 2f 9b 16 e0 08  45d+12:26:21.512  READ DMA

  ef 10 02 00 00 00 a0 08  45d+12:26:21.512  SET FEATURES [Reserved for Serial ATA]

  ec 00 00 00 00 00 a0 08  45d+12:26:21.509  IDENTIFY DEVICE

  ef 03 46 00 00 00 a0 08  45d+12:26:21.509  SET FEATURES [set transfer mode]

 

Error 35 occurred at disk power-on lifetime: 1102 hours (45 days + 22 hours)

  When the command that caused the error occurred, the device was active or idle.

 

  After command completion occurred, registers were:

  ER ST SC SN CL CH DH

  -- -- -- -- -- -- --

  40 51 08 31 9b 16 e0  Error: UNC 8 sectors at LBA = 0x00169b31 = 1481521

 

  Commands leading to the command that caused the error were:

  CR FR SC SN CL CH DH DC  Powered_Up_Time  Command/Feature_Name

  -- -- -- -- -- -- -- --  ----------------  --------------------

  c8 00 08 2f 9b 16 e0 08  45d+12:26:18.049  READ DMA

  ef 10 02 00 00 00 a0 08  45d+12:26:18.049  SET FEATURES [Reserved for Serial ATA]

  ec 00 00 00 00 00 a0 08  45d+12:26:18.046  IDENTIFY DEVICE

  ef 03 46 00 00 00 a0 08  45d+12:26:18.046  SET FEATURES [set transfer mode]

 

Error 34 occurred at disk power-on lifetime: 1102 hours (45 days + 22 hours)

  When the command that caused the error occurred, the device was active or idle.

 

  After command completion occurred, registers were:

  ER ST SC SN CL CH DH

  -- -- -- -- -- -- --

  40 51 08 2f 9b 16 e0  Error: UNC 8 sectors at LBA = 0x00169b2f = 1481519

 

  Commands leading to the command that caused the error were:

  CR FR SC SN CL CH DH DC  Powered_Up_Time  Command/Feature_Name

  -- -- -- -- -- -- -- --  ----------------  --------------------

  c8 00 08 2f 9b 16 e0 08  45d+12:26:15.551  READ DMA

  ef 10 02 00 00 00 a0 08  45d+12:26:15.551  SET FEATURES [Reserved for Serial ATA]

  ec 00 00 00 00 00 a0 08  45d+12:26:15.548  IDENTIFY DEVICE

  ef 03 46 00 00 00 a0 08  45d+12:26:15.548  SET FEATURES [set transfer mode]

 

SMART Self-test log structure revision number 1

Num  Test_Description    Status                  Remaining  LifeTime(hours)  LBA_of_first_error

# 1  Short offline      Completed without error      00%      5346        -

# 2  Short offline      Aborted by host              90%      5346        -

# 3  Short offline      Completed: read failure      90%      1190        1481530

 

SMART Selective self-test log data structure revision number 1

SPAN  MIN_LBA  MAX_LBA  CURRENT_TEST_STATUS

    1        0        0  Not_testing

    2        0        0  Not_testing

    3        0        0  Not_testing

    4        0        0  Not_testing

    5        0        0  Not_testing

Selective self-test flags (0x0):

  After scanning selected spans, do NOT read-scan remainder of disk.

If Selective self-test is pending on power-up, resume after 0 minute delay.

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And the one for the other hard drive, which is connected via the PCI SATA card (again, I re-run a Short Smart Test):

 

Statistics for /dev/sde 00M_WD-WCAZA0670624

 

smartctl -a -d ata /dev/sde

smartctl version 5.38 [i486-slackware-linux-gnu] Copyright © 2002-8 Bruce Allen

Home page is http://smartmontools.sourceforge.net/

 

=== START OF INFORMATION SECTION ===

Device Model:    WDC WD20EARS-00MVWB0

Serial Number:    WD-WCAZA0670624

Firmware Version: 51.0AB51

User Capacity:    2,000,398,934,016 bytes

Device is:        Not in smartctl database [for details use: -P showall]

ATA Version is:  8

ATA Standard is:  Exact ATA specification draft version not indicated

Local Time is:    Wed Mar  2 20:39:37 2011 GMT

SMART support is: Available - device has SMART capability.

SMART support is: Enabled

 

=== START OF READ SMART DATA SECTION ===

SMART overall-health self-assessment test result: PASSED

 

General SMART Values:

Offline data collection status:  (0x84) Offline data collection activity

was suspended by an interrupting command from host.

Auto Offline Data Collection: Enabled.

Self-test execution status:      (  0) The previous self-test routine completed

without error or no self-test has ever

been run.

Total time to complete Offline

data collection: (39000) seconds.

Offline data collection

capabilities: (0x7b) SMART execute Offline immediate.

Auto Offline data collection on/off support.

Suspend Offline collection upon new

command.

Offline surface scan supported.

Self-test supported.

Conveyance Self-test supported.

Selective Self-test supported.

SMART capabilities:            (0x0003) Saves SMART data before entering

power-saving mode.

Supports SMART auto save timer.

Error logging capability:        (0x01) Error logging supported.

General Purpose Logging supported.

Short self-test routine

recommended polling time: (  2) minutes.

Extended self-test routine

recommended polling time: ( 255) minutes.

Conveyance self-test routine

recommended polling time: (  5) minutes.

SCT capabilities:       (0x3035) SCT Status supported.

SCT Feature Control supported.

SCT Data Table supported.

 

SMART Attributes Data Structure revision number: 16

Vendor Specific SMART Attributes with Thresholds:

ID# ATTRIBUTE_NAME          FLAG    VALUE WORST THRESH TYPE      UPDATED  WHEN_FAILED RAW_VALUE

  1 Raw_Read_Error_Rate    0x002f  200  200  051    Pre-fail  Always      -      0

  3 Spin_Up_Time            0x0027  175  171  021    Pre-fail  Always      -      6241

  4 Start_Stop_Count        0x0032  100  100  000    Old_age  Always      -      520

  5 Reallocated_Sector_Ct  0x0033  200  200  140    Pre-fail  Always      -      0

  7 Seek_Error_Rate        0x002e  200  200  000    Old_age  Always      -      0

  9 Power_On_Hours          0x0032  096  096  000    Old_age  Always      -      3531

10 Spin_Retry_Count        0x0032  100  100  000    Old_age  Always      -      0

11 Calibration_Retry_Count 0x0032  100  253  000    Old_age  Always      -      0

12 Power_Cycle_Count      0x0032  100  100  000    Old_age  Always      -      15

192 Power-Off_Retract_Count 0x0032  200  200  000    Old_age  Always      -      10

193 Load_Cycle_Count        0x0032  196  196  000    Old_age  Always      -      14281

194 Temperature_Celsius    0x0022  120  107  000    Old_age  Always      -      30

196 Reallocated_Event_Count 0x0032  200  200  000    Old_age  Always      -      0

197 Current_Pending_Sector  0x0032  200  200  000    Old_age  Always      -      0

198 Offline_Uncorrectable  0x0030  200  200  000    Old_age  Offline      -      0

199 UDMA_CRC_Error_Count    0x0032  200  200  000    Old_age  Always      -      0

200 Multi_Zone_Error_Rate  0x0008  200  200  000    Old_age  Offline      -      0

 

SMART Error Log Version: 1

No Errors Logged

 

SMART Self-test log structure revision number 1

Num  Test_Description    Status                  Remaining  LifeTime(hours)  LBA_of_first_error

# 1  Short offline      Completed without error      00%      3531        -

 

SMART Selective self-test log data structure revision number 1

SPAN  MIN_LBA  MAX_LBA  CURRENT_TEST_STATUS

    1        0        0  Not_testing

    2        0        0  Not_testing

    3        0        0  Not_testing

    4        0        0  Not_testing

    5        0        0  Not_testing

Selective self-test flags (0x0):

  After scanning selected spans, do NOT read-scan remainder of disk.

If Selective self-test is pending on power-up, resume after 0 minute delay.

 

 

 

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So swapped cables, syslog attached (had to split in two files). Question - how do I make the link between "ata3 and ata4" and the drives themselves? Not familiar with it sorry.

 

I also attach SMART reports for all drives, I stand corrected on one point - the two drives connected via PCI card are the ones ending in 073 and 381. Thanks!

syslog-2011-03-02a.txt

syslog-2011-03-02b.txt

smarts.txt

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Look at the section below.  No doubt that ata3 and ata4 are both on your PCI I/O card - looks like there may be a pata slot on the card too that you are not using.  They are both WD 2T EARS.

 

Not sure which is which, but they are both generating errors.  (Sorry, missed this earlier - I thought one disk was fine and other was generating errors).

 

If it works flawlessly with one disk and not with two, the controller might be broken.  You might want to hook up each drive to the controller (leaving second one disconnected) and see if it comes up fine.  If so, you will have verified your disks are good.  The only think left would be the controller (which could be bad, incompatible with unRAID, or incompatible with your motherboard).

 

Mar  2 21:49:01 Server kernel: ata3: SATA max UDMA/133 port i16@0xd000 bmdma 0xd400 irq 20
Mar  2 21:49:01 Server kernel: ata4: SATA max UDMA/133 port i16@0xd100 bmdma 0xd408 irq 20
Mar  2 21:49:01 Server kernel: ata5: PATA max UDMA/133 port i16@0xd200 bmdma 0xd410 irq 20
Mar  2 21:49:01 Server kernel: ata3: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
Mar  2 21:49:01 Server kernel: ata3.00: ATA-8: WDC WD20EARS-00J2GB0, 80.00A80, max UDMA/133
Mar  2 21:49:01 Server kernel: ata3.00: 3907029168 sectors, multi 16: LBA48 NCQ (depth 0/32)
Mar  2 21:49:01 Server kernel: ata3.00: configured for UDMA/133
Mar  2 21:49:01 Server kernel: scsi 3:0:0:0: Direct-Access     ATA      WDC WD20EARS-00J 80.0 PQ: 0 ANSI: 5
Mar  2 21:49:01 Server kernel: sd 3:0:0:0: [sdc] 3907029168 512-byte logical blocks: (2.00 TB/1.81 TiB)
Mar  2 21:49:01 Server kernel: sd 3:0:0:0: [sdc] Write Protect is off
Mar  2 21:49:01 Server kernel: sd 3:0:0:0: [sdc] Mode Sense: 00 3a 00 00
Mar  2 21:49:01 Server kernel: sd 3:0:0:0: [sdc] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
Mar  2 21:49:01 Server kernel:  sdc:
Mar  2 21:49:01 Server kernel: ata4: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
Mar  2 21:49:01 Server kernel: ata4.00: ATA-8: WDC WD20EARS-00MVWB0, 51.0AB51, max UDMA/133
Mar  2 21:49:01 Server kernel: ata4.00: 3907029168 sectors, multi 16: LBA48 NCQ (depth 0/32)
Mar  2 21:49:01 Server kernel: ata4.00: configured for UDMA/133
Mar  2 21:49:01 Server kernel: scsi 4:0:0:0: Direct-Access     ATA      WDC WD20EARS-00M 51.0 PQ: 0 ANSI: 5
Mar  2 21:49:01 Server kernel: sd 4:0:0:0: [sdd] 3907029168 512-byte logical blocks: (2.00 TB/1.81 TiB)
Mar  2 21:49:01 Server kernel: sd 4:0:0:0: [sdd] Write Protect is off
Mar  2 21:49:01 Server kernel: sd 4:0:0:0: [sdd] Mode Sense: 00 3a 00 00
Mar  2 21:49:01 Server kernel: sd 4:0:0:0: [sdd] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
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May I chip in...?

 

I have seen reports on the web (but not confirmed myself) that the VT6421 does not play well with the WD20EARS.  I have used these drives on a controller using the SIL3114 (not yet with unRAID but I shall soon) and the drives seem quite happy.

 

I picked this thread up because I am also planning to use the GA-D510UD motherboard, but with the SIL controller, since that's what I already have.

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All good guys, I substituted the PCI SATA card w/ VT6421 controller with one with SIL3114 controller (right off the box, no flashing new BIOS or anything like that), launched a parity check and it is now running at c. 50MB/sec - as fast as it was before adding the second hard drive on the PCI card. So the VT6421 controller seems to indeed have been the problem, at least with my WD20EARS.

Thanks!

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