Parity disk disabled


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I'm no expert, but it looks like a bunch of 'drive not ready' errors, followed by a heap of write errors..

I had a similar issue a while back, and in my case, it ended up being a power supply issue.. did your system recently try to do a parity check by chance?

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lots of this in syslog:

Mar 10 00:53:14 unRAID kernel: sd 4:0:2:0: [sdd] tag#1 UNKNOWN(0x2003) Result: hostbyte=0x00 driverbyte=0x08
Mar 10 00:53:14 unRAID kernel: sd 4:0:2:0: [sdd] tag#1 Sense Key : 0x2 [current] 
Mar 10 00:53:14 unRAID kernel: sd 4:0:2:0: [sdd] tag#1 ASC=0x4 ASCQ=0x0 
Mar 10 00:53:14 unRAID kernel: sd 4:0:2:0: [sdd] tag#1 CDB: opcode=0x8a 8a 00 00 00 00 00 74 70 8e 38 00 00 00 08 00 00
Mar 10 00:53:14 unRAID kernel: print_req_error: I/O error, dev sdd, sector 1953533496

followed by lots of:

Mar 10 00:54:06 unRAID kernel: md: disk0 write error, sector=2091053720
Mar 10 00:54:06 unRAID kernel: md: disk0 write error, sector=2091053728
Mar 10 00:54:06 unRAID kernel: md: disk0 write error, sector=2091053736
Mar 10 00:54:06 unRAID kernel: md: disk0 write error, sector=2091053744
Mar 10 00:54:06 unRAID kernel: md: disk0 write error, sector=2091053752
 

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On 3/15/2018 at 12:10 PM, kennexdewa said:

conducting a SMART test on the drive it passes with flying colours.

 

You only did a short SMART test, you should run an extended test, especially since there are a lot of reallocated sectors:

 

  5 Reallocated_Sector_Ct   PO--CK   100   100   010    -    1112

 

If it passes the extended test and you want to keep using it you need to re-enable the disk and re-sync parity.

 

http://lime-technology.com/wiki/Troubleshooting#Re-enable_the_drive

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