Hi everyone, I have a problem and am unsure where to start, about a week ago while I was watching a movie it started buffering a lot, I thought it might just be network traffic. Then when I tried writing to the disk it started writing then the disk would become unavailable.

 

When I check the drive it showed a ton of errors. I ran a smart report and it came back as passed, So I removed all the cables and reseated everything thinking it was a cabling issue. the errors still persisted but I had an extra drive, ran the preclear on it with no problem, then added the new disk to the array. Everything seemed fine for a few days and then last night I started getting errors again and am not sure where to start. I have attached a syslog in hopes that someone can help me as to where to start.

 

Thanks

Treefour

syslog-2013-11-24.zip

Hi everyone, I have a problem and am unsure where to start, about a week ago while I was watching a movie it started buffering a lot, I thought it might just be network traffic. Then when I tried writing to the disk it started writing then the disk would become unavailable.

 

When I check the drive it showed a ton of errors. I ran a smart report and it came back as passed, So I removed all the cables and reseated everything thinking it was a cabling issue. the errors still persisted but I had an extra drive, ran the preclear on it with no problem, then added the new disk to the array. Everything seemed fine for a few days and then last night I started getting errors again and am not sure where to start. I have attached a syslog in hopes that someone can help me as to where to start.

 

Thanks

Treefour

Disk 2 has a number of media errors in the syslog. 

(it is NOT a cabling issue, it is a disk with un-readable sectors)

 

Please post the SMART report from it by typing

smartctl -a /dev/sdd

Nov 23 19:34:49 Tower kernel: md: import disk2: [8,48] (sdd) WDC_WD10EADS-00L5B1_WD-WCAU45776019 size: 976762552

 

Nov 23 21:27:58 Tower kernel: end_request: I/O error, dev sdd, sector 214697520

Nov 23 21:27:58 Tower kernel: ata4: EH complete

Nov 23 21:27:58 Tower kernel: md: disk2 read error, sector=214697456

Nov 23 21:28:02 Tower kernel: ata4.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0

Nov 23 21:28:02 Tower kernel: ata4.00: BMDMA stat 0x64

Nov 23 21:28:02 Tower kernel: ata4.00: failed command: READ DMA

Nov 23 21:28:02 Tower kernel: ata4.00: cmd c8/00:08:80:cc:2b/00:00:00:00:00/ec tag 0 dma 4096 in

Nov 23 21:28:02 Tower kernel:          res 51/40:00:80:cc:2b/00:00:00:00:00/ec Emask 0x9 (media error)

Nov 23 21:28:02 Tower kernel: ata4.00: status: { DRDY ERR }

Nov 23 21:28:02 Tower kernel: ata4.00: error: { UNC }

Nov 23 21:28:02 Tower kernel: ata4.00: configured for UDMA/133

Nov 23 21:28:02 Tower kernel: ata4.01: configured for UDMA/133

Nov 23 21:28:02 Tower kernel: sd 4:0:0:0: [sdd] Unhandled sense code

Nov 23 21:28:02 Tower kernel: sd 4:0:0:0: [sdd] 

Nov 23 21:28:02 Tower kernel: Result: hostbyte=0x00 driverbyte=0x08

Nov 23 21:28:02 Tower kernel: sd 4:0:0:0: [sdd] 

Nov 23 21:28:02 Tower kernel: Sense Key : 0x3 [current] [descriptor]

Nov 23 21:28:02 Tower kernel: Descriptor sense data with sense descriptors (in hex):

Nov 23 21:28:02 Tower kernel:        72 03 11 04 00 00 00 0c 00 0a 80 00 00 00 00 00

Nov 23 21:28:02 Tower kernel:        0c 2b cc 80

Nov 23 21:28:02 Tower kernel: sd 4:0:0:0: [sdd] 

Nov 23 21:28:02 Tower kernel: ASC=0x11 ASCQ=0x4

Nov 23 21:28:02 Tower kernel: sd 4:0:0:0: [sdd] CDB:

Nov 23 21:28:02 Tower kernel: cdb[0]=0x28: 28 00 0c 2b cc 80 00 00 08 00

Nov 23 21:28:02 Tower kernel: end_request: I/O error, dev sdd, sector 204196992

Nov 23 21:28:02 Tower kernel: ata4: EH complete

Nov 23 21:28:02 Tower kernel: md: disk2 read error, sector=204196928

Nov 23 21:28:05 Tower kernel: ata4.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0

Nov 23 21:28:05 Tower kernel: ata4.00: BMDMA stat 0x64

Nov 23 21:28:05 Tower kernel: ata4.00: failed command: READ DMA

Nov 23 21:28:05 Tower kernel: ata4.00: cmd c8/00:08:20:cc:2b/00:00:00:00:00/ec tag 0 dma 4096 in

Nov 23 21:28:05 Tower kernel:          res 51/40:00:20:cc:2b/00:00:00:00:00/ec Emask 0x9 (media error)

Nov 23 21:28:05 Tower kernel: ata4.00: status: { DRDY ERR }

Nov 23 21:28:05 Tower kernel: ata4.00: error: { UNC }

Nov 23 21:28:05 Tower kernel: ata4.00: configured for UDMA/133

Nov 23 21:28:05 Tower kernel: ata4.01: configured for UDMA/133

Nov 23 21:28:05 Tower kernel: sd 4:0:0:0: [sdd] Unhandled sense code

Nov 23 21:28:05 Tower kernel: sd 4:0:0:0: [sdd] 

Nov 23 21:28:05 Tower kernel: Result: hostbyte=0x00 driverbyte=0x08

Nov 23 21:28:05 Tower kernel: sd 4:0:0:0: [sdd] 

Nov 23 21:28:05 Tower kernel: Sense Key : 0x3 [current] [descriptor]

Nov 23 21:28:05 Tower kernel: Descriptor sense data with sense descriptors (in hex):

Nov 23 21:28:05 Tower kernel:        72 03 11 04 00 00 00 0c 00 0a 80 00 00 00 00 00

Nov 23 21:28:05 Tower kernel:        0c 2b cc 20

Nov 23 21:28:05 Tower kernel: sd 4:0:0:0: [sdd] 

Nov 23 21:28:05 Tower kernel: ASC=0x11 ASCQ=0x4

Nov 23 21:28:05 Tower kernel: sd 4:0:0:0: [sdd] CDB:

Nov 23 21:28:05 Tower kernel: cdb[0]=0x28: 28 00 0c 2b cc 20 00 00 08 00

Nov 23 21:28:05 Tower kernel: end_request: I/O error, dev sdd, sector 204196896

Nov 23 21:28:05 Tower kernel: ata4: EH complete

Nov 23 21:28:05 Tower kernel: md: disk2 read error, sector=204196832

Nov 23 21:28:08 Tower kernel: ata4.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0

Nov 23 21:28:08 Tower kernel: ata4.00: BMDMA stat 0x64

Nov 23 21:28:08 Tower kernel: ata4.00: failed command: READ DMA

Nov 23 21:28:08 Tower kernel: ata4.00: cmd c8/00:08:c0:b4:59/00:00:00:00:00/ec tag 0 dma 4096 in

Nov 23 21:28:08 Tower kernel:          res 51/40:00:c0:b4:59/00:00:00:00:00/ec Emask 0x9 (media error)

Nov 23 21:28:08 Tower kernel: ata4.00: status: { DRDY ERR }

Nov 23 21:28:08 Tower kernel: ata4.00: error: { UNC }

Nov 23 21:28:08 Tower kernel: ata4.00: configured for UDMA/133

Nov 23 21:28:08 Tower kernel: ata4.01: configured for UDMA/133

Nov 23 21:28:08 Tower kernel: sd 4:0:0:0: [sdd] Unhandled sense code

Nov 23 21:28:08 Tower kernel: sd 4:0:0:0: [sdd] 

Nov 23 21:28:08 Tower kernel: Result: hostbyte=0x00 driverbyte=0x08

Nov 23 21:28:08 Tower kernel: sd 4:0:0:0: [sdd] 

Nov 23 21:28:08 Tower kernel: Sense Key : 0x3 [current] [descriptor]

Nov 23 21:28:08 Tower kernel: Descriptor sense data with sense descriptors (in hex):

Nov 23 21:28:08 Tower kernel:        72 03 11 04 00 00 00 0c 00 0a 80 00 00 00 00 00

Nov 23 21:28:08 Tower kernel:        0c 59 b4 c0

Nov 23 21:28:08 Tower kernel: sd 4:0:0:0: [sdd] 

Nov 23 21:28:08 Tower kernel: ASC=0x11 ASCQ=0x4

Nov 23 21:28:08 Tower kernel: sd 4:0:0:0: [sdd] CDB:

Nov 23 21:28:08 Tower kernel: cdb[0]=0x28: 28 00 0c 59 b4 c0 00 00 08 00

Nov 23 21:28:08 Tower kernel: end_request: I/O error, dev sdd, sector 207205568

Nov 23 21:28:08 Tower kernel: ata4: EH complete

Nov 23 21:28:08 Tower kernel: md: disk2 read error, sector=207205504

 

 

thanks for the reply Joe, here is the smart report.

smartreport112413.zip

Current_Pending_Sector  0x0032  192  192  000    Old_age  Always      -    1464

 

You have 1464 unreadable sectors that are pending re-allocation (the next time they are written)

 

replace the disk ASAP.   

 

Joe L.

Thanks Joe, that's weird I guess both of them were failing at the same time. Thanks for the help will get a new one ordered up today. Thanks a lot for the help.

 

Treefour