Pre Clear fails - confirmation


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Hi there, I'm a new UnRAID user since a few days back. I bought a new Motherboard Aorus X570 Elite and Ryzen 5 3600 to use as the foundation of my next gen NAS / App docker server.

 

I threw in a few disks of different quality and brand, I have build my first array with 3 WD Red 3 Tb disks but I havent moved any critical data to the server.

 

I have attached 2 older disks also, of which one is a WD Green 2 Tb. 

this disk has been giving me warnings from the start, sequence of events:

 

* Upon Installing the disk UnRAID warned me about SMART "current pending sectors"

* I ran an extended SMART Test over approx 8 hrs which cleared the disk of errors.

* I started a pre-clear 1 cycle of the disk and new errors started appearing which eventually led to the pore-clearing addon stating that the pre clearing job has been aborted with the following outpout:

 

May 31 22:00:57 Sauron kernel: ata10: SATA max UDMA/133 abar m2048@0xf6400000 port 0xf6400380 irq 85
May 31 22:00:57 Sauron kernel: ata10: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
May 31 22:00:57 Sauron kernel: ata10.00: ATA-8: WDC WD20EARS-07MVWB0, WD-WCAZA4240147, 51.0AB51, max UDMA/133
May 31 22:00:57 Sauron kernel: ata10.00: 3907029168 sectors, multi 16: LBA48 NCQ (depth 32), AA
May 31 22:00:57 Sauron kernel: ata10.00: configured for UDMA/133
May 31 22:00:57 Sauron kernel: sd 10:0:0:0: [sdf] 3907029168 512-byte logical blocks: (2.00 TB/1.82 TiB)
May 31 22:00:57 Sauron kernel: sd 10:0:0:0: [sdf] 4096-byte physical blocks
May 31 22:00:57 Sauron kernel: sd 10:0:0:0: [sdf] Write Protect is off
May 31 22:00:57 Sauron kernel: sd 10:0:0:0: [sdf] Mode Sense: 00 3a 00 00
May 31 22:00:57 Sauron kernel: sd 10:0:0:0: [sdf] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
May 31 22:00:57 Sauron kernel: sdf:
May 31 22:00:57 Sauron kernel: sd 10:0:0:0: [sdf] Attached SCSI removable disk
May 31 22:01:18 Sauron emhttpd: WDC_WD20EARS-07MVWB0_WD-WCAZA4240147 (sdf) 512 3907029168
May 31 22:28:13 Sauron emhttpd: WDC_WD20EARS-07MVWB0_WD-WCAZA4240147 (sdf) 512 3907029168
May 31 22:28:26 Sauron emhttpd: WDC_WD20EARS-07MVWB0_WD-WCAZA4240147 (sdf) 512 3907029168
May 31 22:28:28 Sauron emhttpd: WDC_WD20EARS-07MVWB0_WD-WCAZA4240147 (sdf) 512 3907029168
May 31 22:31:42 Sauron emhttpd: WDC_WD20EARS-07MVWB0_WD-WCAZA4240147 (sdf) 512 3907029168
May 31 22:38:11 Sauron preclear_disk_WD-WCAZA4240147[1316]: Command: /usr/local/emhttp/plugins/preclear.disk/script/preclear_disk.sh --notify 2 --frequency 1 --cycles 1 --no-prompt /dev/sdf
May 31 22:38:14 Sauron preclear_disk_WD-WCAZA4240147[1316]: Pre-Read: dd if=/dev/sdf of=/dev/null bs=2097152 skip=0 count=2000398934016 conv=notrunc,noerror iflag=nocache,count_bytes,skip_bytes
Jun 1 04:55:04 Sauron preclear_disk_WD-WCAZA4240147[1316]: Zeroing: dd if=/dev/zero of=/dev/sdf bs=2097152 seek=2097152 count=2000396836864 conv=notrunc iflag=count_bytes,nocache,fullblock oflag=seek_bytes
Jun 1 08:23:27 Sauron preclear.disk: Pausing preclear of disk 'sdf'
Jun 1 08:24:05 Sauron preclear.disk: Resuming preclear of disk 'sdf'
Jun 1 08:38:57 Sauron preclear.disk: Pausing preclear of disk 'sdf'
Jun 1 08:39:41 Sauron preclear.disk: Resuming preclear of disk 'sdf'
Jun 1 10:58:44 Sauron preclear_disk_WD-WCAZA4240147[1316]: Post-Read: cmp /tmp/.preclear/sdf/fifo /dev/zero
Jun 1 10:58:44 Sauron preclear_disk_WD-WCAZA4240147[1316]: Post-Read: dd if=/dev/sdf of=/tmp/.preclear/sdf/fifo count=2096640 skip=512 conv=notrunc iflag=nocache,count_bytes,skip_bytes
Jun 1 10:58:45 Sauron preclear_disk_WD-WCAZA4240147[1316]: Post-Read: cmp /tmp/.preclear/sdf/fifo /dev/zero
Jun 1 10:58:45 Sauron preclear_disk_WD-WCAZA4240147[1316]: Post-Read: dd if=/dev/sdf of=/tmp/.preclear/sdf/fifo bs=2097152 skip=2097152 count=2000396836864 conv=notrunc iflag=nocache,count_bytes,skip_bytes
Jun 1 12:09:48 Sauron kernel: ata10.00: exception Emask 0x0 SAct 0x98017 SErr 0x0 action 0x0
Jun 1 12:09:48 Sauron kernel: ata10.00: irq_stat 0x40000008
Jun 1 12:09:48 Sauron kernel: ata10.00: failed command: READ FPDMA QUEUED
Jun 1 12:09:48 Sauron kernel: ata10.00: cmd 60/40:78:00:e4:f6/05:00:2e:00:00/40 tag 15 ncq dma 688128 in
Jun 1 12:09:48 Sauron kernel: ata10.00: status: { DRDY ERR }
Jun 1 12:09:48 Sauron kernel: ata10.00: error: { UNC }
Jun 1 12:09:48 Sauron kernel: ata10.00: configured for UDMA/133
Jun 1 12:09:48 Sauron kernel: sd 10:0:0:0: [sdf] tag#15 UNKNOWN(0x2003) Result: hostbyte=0x00 driverbyte=0x08 cmd_age=9s
Jun 1 12:09:48 Sauron kernel: sd 10:0:0:0: [sdf] tag#15 Sense Key : 0x3 [current]
Jun 1 12:09:48 Sauron kernel: sd 10:0:0:0: [sdf] tag#15 ASC=0x11 ASCQ=0x4
Jun 1 12:09:48 Sauron kernel: sd 10:0:0:0: [sdf] tag#15 CDB: opcode=0x28 28 00 2e f6 e4 00 00 05 40 00
Jun 1 12:09:48 Sauron kernel: blk_update_request: I/O error, dev sdf, sector 787932336 op 0x0:(READ) flags 0x84700 phys_seg 146 prio class 0
Jun 1 12:09:48 Sauron kernel: ata10: EH complete
Jun 1 12:31:10 Sauron kernel: ata10.00: exception Emask 0x0 SAct 0x2102ec04 SErr 0x0 action 0x0
Jun 1 12:31:10 Sauron kernel: ata10.00: irq_stat 0x40000008
Jun 1 12:31:10 Sauron kernel: ata10.00: failed command: READ FPDMA QUEUED
Jun 1 12:31:10 Sauron kernel: ata10.00: cmd 60/40:58:00:6a:eb/05:00:3d:00:00/40 tag 11 ncq dma 688128 in
Jun 1 12:31:10 Sauron kernel: ata10.00: status: { DRDY ERR }
Jun 1 12:31:10 Sauron kernel: ata10.00: error: { UNC }
Jun 1 12:31:10 Sauron kernel: ata10.00: configured for UDMA/133
Jun 1 12:31:10 Sauron kernel: sd 10:0:0:0: [sdf] tag#11 UNKNOWN(0x2003) Result: hostbyte=0x00 driverbyte=0x08 cmd_age=3s
Jun 1 12:31:10 Sauron kernel: sd 10:0:0:0: [sdf] tag#11 Sense Key : 0x3 [current]
Jun 1 12:31:10 Sauron kernel: sd 10:0:0:0: [sdf] tag#11 ASC=0x11 ASCQ=0x4
Jun 1 12:31:10 Sauron kernel: sd 10:0:0:0: [sdf] tag#11 CDB: opcode=0x28 28 00 3d eb 6a 00 00 05 40 00
Jun 1 12:31:10 Sauron kernel: blk_update_request: I/O error, dev sdf, sector 1038838432 op 0x0:(READ) flags 0x84700 phys_seg 148 prio class 0
Jun 1 12:31:10 Sauron kernel: ata10: EH complete
Jun 1 12:31:15 Sauron kernel: ata10.00: exception Emask 0x0 SAct 0x80c00565 SErr 0x0 action 0x0
Jun 1 12:31:15 Sauron kernel: ata10.00: irq_stat 0x40000008
Jun 1 12:31:15 Sauron kernel: ata10.00: failed command: READ FPDMA QUEUED
Jun 1 12:31:15 Sauron kernel: ata10.00: cmd 60/40:b0:00:04:ec/05:00:3d:00:00/40 tag 22 ncq dma 688128 in
Jun 1 12:31:15 Sauron kernel: ata10.00: status: { DRDY ERR }
Jun 1 12:31:15 Sauron kernel: ata10.00: error: { UNC }
Jun 1 12:31:15 Sauron kernel: ata10.00: configured for UDMA/133
Jun 1 12:31:15 Sauron kernel: sd 10:0:0:0: [sdf] tag#22 UNKNOWN(0x2003) Result: hostbyte=0x00 driverbyte=0x08 cmd_age=4s
Jun 1 12:31:15 Sauron kernel: sd 10:0:0:0: [sdf] tag#22 Sense Key : 0x3 [current]
Jun 1 12:31:15 Sauron kernel: sd 10:0:0:0: [sdf] tag#22 ASC=0x11 ASCQ=0x4
Jun 1 12:31:15 Sauron kernel: sd 10:0:0:0: [sdf] tag#22 CDB: opcode=0x28 28 00 3d ec 04 00 00 05 40 00
Jun 1 12:31:15 Sauron kernel: blk_update_request: I/O error, dev sdf, sector 1038878848 op 0x0:(READ) flags 0x84700 phys_seg 24 prio class 0
Jun 1 12:31:15 Sauron kernel: ata10: EH complete
Jun 1 12:31:19 Sauron kernel: ata10.00: exception Emask 0x0 SAct 0x3420a SErr 0x0 action 0x0
Jun 1 12:31:19 Sauron kernel: ata10.00: irq_stat 0x40000008
Jun 1 12:31:19 Sauron kernel: ata10.00: failed command: READ FPDMA QUEUED
Jun 1 12:31:19 Sauron kernel: ata10.00: cmd 60/08:70:88:08:ec/00:00:3d:00:00/40 tag 14 ncq dma 4096 in
Jun 1 12:31:19 Sauron kernel: ata10.00: status: { DRDY ERR }
Jun 1 12:31:19 Sauron kernel: ata10.00: error: { UNC }
Jun 1 12:31:19 Sauron kernel: ata10.00: configured for UDMA/133
Jun 1 12:31:19 Sauron kernel: sd 10:0:0:0: [sdf] tag#14 UNKNOWN(0x2003) Result: hostbyte=0x00 driverbyte=0x08 cmd_age=2s
Jun 1 12:31:19 Sauron kernel: sd 10:0:0:0: [sdf] tag#14 Sense Key : 0x3 [current]
Jun 1 12:31:19 Sauron kernel: sd 10:0:0:0: [sdf] tag#14 ASC=0x11 ASCQ=0x4
Jun 1 12:31:19 Sauron kernel: sd 10:0:0:0: [sdf] tag#14 CDB: opcode=0x28 28 00 3d ec 08 88 00 00 08 00
Jun 1 12:31:19 Sauron kernel: blk_update_request: I/O error, dev sdf, sector 1038878856 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
Jun 1 12:31:19 Sauron kernel: Buffer I/O error on dev sdf, logical block 129859857, async page read
Jun 1 12:31:19 Sauron kernel: ata10: EH complete
Jun 1 12:31:22 Sauron kernel: ata10.00: exception Emask 0x0 SAct 0x348000 SErr 0x0 action 0x0
Jun 1 12:31:22 Sauron kernel: ata10.00: irq_stat 0x40000008
Jun 1 12:31:22 Sauron kernel: ata10.00: failed command: READ FPDMA QUEUED
Jun 1 12:31:22 Sauron kernel: ata10.00: cmd 60/08:90:88:08:ec/00:00:3d:00:00/40 tag 18 ncq dma 4096 in
Jun 1 12:31:22 Sauron kernel: ata10.00: status: { DRDY ERR }
Jun 1 12:31:22 Sauron kernel: ata10.00: error: { UNC }
Jun 1 12:31:22 Sauron kernel: ata10.00: configured for UDMA/133
Jun 1 12:31:22 Sauron kernel: sd 10:0:0:0: [sdf] tag#18 UNKNOWN(0x2003) Result: hostbyte=0x00 driverbyte=0x08 cmd_age=2s
Jun 1 12:31:22 Sauron kernel: sd 10:0:0:0: [sdf] tag#18 Sense Key : 0x3 [current]
Jun 1 12:31:22 Sauron kernel: sd 10:0:0:0: [sdf] tag#18 ASC=0x11 ASCQ=0x4
Jun 1 12:31:22 Sauron kernel: sd 10:0:0:0: [sdf] tag#18 CDB: opcode=0x28 28 00 3d ec 08 88 00 00 08 00
Jun 1 12:31:22 Sauron kernel: blk_update_request: I/O error, dev sdf, sector 1038878856 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
Jun 1 12:31:22 Sauron kernel: Buffer I/O error on dev sdf, logical block 129859857, async page read
Jun 1 12:31:22 Sauron kernel: ata10: EH complete
Jun 1 12:31:25 Sauron preclear_disk_WD-WCAZA4240147[1316]: Post-Read: dd output: dd: error reading '/dev/sdf': Input/output error

DONE

 

 

############################################################################################################################
#                                                                                                                          #
#                                       unRAID Server Preclear of disk WD-WCAZA4240147                                     #
#                                       Cycle 1 of 1, partition start on sector 64.                                        #
#                                                                                                                          #
#                                                                                                                          #
#   Step 1 of 5 - Pre-read verification:                                                    [6:16:50 @ 88 MB/s] SUCCESS    #
#   Step 2 of 5 - Zeroing the disk:                                                         [6:01:32 @ 92 MB/s] SUCCESS    #
#   Step 3 of 5 - Writing unRAID's Preclear signature:                                                          SUCCESS    #
#   Step 4 of 5 - Verifying unRAID's Preclear signature:                                                        SUCCESS    #
#   Step 5 of 5 - Post-Read verification:                                                                          FAIL    #
#                                                                                                                          #
#                                                                                                                          #
#                                                                                                                          #
#                                                                                                                          #
#                                                                                                                          #
#                                                                                                                          #
#                                                                                                                          #
############################################################################################################################
#                              Cycle elapsed time: 13:51:04 | Total elapsed time: 13:51:04                                 #
############################################################################################################################


############################################################################################################################
#                                                                                                                          #
#                                        S.M.A.R.T. Status (device type: default)                                          #
#                                                                                                                          #
#                                                                                                                          #
#   ATTRIBUTE                    INITIAL  STATUS                                                                           #
#   5-Reallocated_Sector_Ct      0        -                                                                                #
#   9-Power_On_Hours             34221    -                                                                                #
#   194-Temperature_Celsius      27       -                                                                                #
#   196-Reallocated_Event_Count  0        -                                                                                #
#   197-Current_Pending_Sector   229      -                                                                                #
#   198-Offline_Uncorrectable    0        -                                                                                #
#   199-UDMA_CRC_Error_Count     0        -                                                                                #
#                                                                                                                          #
#                                                                                                                          #
#                                                                                                                          #
#                                                                                                                          #
#                                                                                                                          #
############################################################################################################################
#   SMART overall-health self-assessment test result: PASSED                                                               #
############################################################################################################################

--> FAIL: Post-Read verification failed. Your drive is not zeroed.

 

To me, this sounds like a classic case of dying old disk due to surface read/write errors.

So I just wanted to verify with the expertise here that:

 

* Disk shuld be thrown away /recycled?

* Does log show any other error, controller, cable UDMA etc or is this a typical HD failure?

 

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22 minutes ago, trurl said:

One thing that can cause post-read to fail is bad RAM, so memtest might be something to keep in mind. 

 

But for that specific disk, SMART is sufficient reason to not trust it. 

Thank you for your input, I'll be replacing that drive because it continues to throw errors in the log, all other 4 disks are working perfectly. 👍

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