Preclear stuck at step 2 of 10

lovswr · November 18, 2013

Hello I just got a new Toshiba DT01ACA300 3TB HD from Newegg last Thursday. I have been trying to preclear it all weekend. It gets to step 2 of 10 - copying zeros to remainder of disk to clear it & as far as I can tell the drive &/or preclear script just hangs. The screen just keeps displaying Wrote 80,847,306,752 bytes out of 3,000,592,982,016 bytes (2% Done) over & over.

Did I just get a defective HD or have I done something wrong with the preclear script? This is unRAID Server version 5.0.1

unraid_server_log_18_nov_2013.txt

Joe L. · November 18, 2013

I guess you did not look in the syslog you uploaded...

Nothing wrong with the preclear script. (make sure you are using the latest version of it. 1.14 for best compatibility with your version of unRAID

Either you have a bad disk

or

a bad disk controller port

or

a bad/intermittent power cable to it

or

a bad/intermittent SATA data cable to it

or

a bad/intermittent drive tray

or

a bad/intermittent power supply splitter in line with it

or

a power supply insufficient to handle the additional load of an additional disk. (and the new disk is the most sensitive to the poor voltage regulation)

These lines in your system log are a clue:

Nov 18 02:41:32 valhalla kernel: ata3.00: exception Emask 0x50 SAct 0x7fffffff SErr 0x90a02 action 0xe frozen

Nov 18 02:41:32 valhalla kernel: ata3.00: irq_stat 0x00400000, PHY RDY changed

Nov 18 02:41:32 valhalla kernel: ata3: SError: { RecovComm Persist HostInt PHYRdyChg 10B8B }

Nov 18 02:41:32 valhalla kernel: ata3.00: failed command: WRITE FPDMA QUEUED

Nov 18 02:41:32 valhalla kernel: ata3.00: cmd 61/00:00:00:40:66/04:00:09:00:00/40 tag 0 ncq 524288 out

Nov 18 02:41:32 valhalla kernel: res 50/00:00:00:b8:66/00:04:09:00:00/40 Emask 0x50 (ATA bus error)

Nov 18 02:41:32 valhalla kernel: ata3.00: status: { DRDY }

Nov 18 02:41:32 valhalla kernel: ata3.00: failed command: WRITE FPDMA QUEUED

Nov 18 02:41:32 valhalla kernel: ata3.00: cmd 61/00:08:00:44:66/04:00:09:00:00/40 tag 1 ncq 524288 out

Nov 18 02:41:32 valhalla kernel: res 50/00:00:00:b8:66/00:04:09:00:00/40 Emask 0x50 (ATA bus error)

Nov 18 02:41:32 valhalla kernel: ata3.00: status: { DRDY }

Nov 18 02:41:32 valhalla kernel: ata3.00: failed command: WRITE FPDMA QUEUED

Nov 18 02:41:32 valhalla kernel: ata3.00: cmd 61/00:10:00:48:66/04:00:09:00:00/40 tag 2 ncq 524288 out

Nov 18 02:41:32 valhalla kernel: res 50/00:00:00:b8:66/00:04:09:00:00/40 Emask 0x50 (ATA bus error)

Nov 18 02:41:32 valhalla kernel: ata3.00: status: { DRDY }

Nov 18 02:41:32 valhalla kernel: ata3.00: failed command: WRITE FPDMA QUEUED

Nov 18 02:41:32 valhalla kernel: ata3.00: cmd 61/00:18:00:4c:66/04:00:09:00:00/40 tag 3 ncq 524288 out

Nov 18 02:41:32 valhalla kernel: res 50/00:00:00:b8:66/00:04:09:00:00/40 Emask 0x50 (ATA bus error)

Nov 18 02:41:32 valhalla kernel: ata3.00: status: { DRDY }

Nov 18 02:41:32 valhalla kernel: ata3.00: failed command: WRITE FPDMA QUEUED

Nov 18 02:41:32 valhalla kernel: ata3.00: cmd 61/00:20:00:50:66/04:00:09:00:00/40 tag 4 ncq 524288 out

Nov 18 02:41:32 valhalla kernel: res 50/00:00:00:b8:66/00:04:09:00:00/40 Emask 0x50 (ATA bus error)

Nov 18 02:41:32 valhalla kernel: ata3.00: status: { DRDY }

ov 18 02:41:52 valhalla kernel: cdb[0]=0x8a: 8a 00 00 00 00 00 09 66 40 00 00 00 04 00 00 00

Nov 18 02:41:52 valhalla kernel: end_request: I/O error, dev sdd, sector 157696000

Nov 18 02:41:52 valhalla kernel: Buffer I/O error on device sdd, logical block 19712000