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Parity Invalid and Drive Disabled but Drive checks out


yukonhijack

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My server shows my Parity is invalid and it has disabled the drive.  I plugged the parity drive into my windows 10 rig and checked it out and it shows good health and no bad sectors.  Should I just format the parity drive or do I need to do something else to get it reset?  I did some searching around but did not find an answer for my issue.  Any help is greatly appreciated.

 

Greg

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OK, so after doing another search, I think this is what I should do:

 

Take a screenshot of your current array assignments, or make good notes of them

Stop the array (if it is started)

Go to <Tools> and click <New config>

Reassign all disks using your notes or screen shot

Double check that your Parity disk is assigned correctly!

Click the check box "Parity is already valid" (make sure it is checked)

Start the array

Done!

It is strongly recommended to do a parity check now, to make sure parity is fine

 

Sound right?

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If you think the parity disk is OK there's no need to do a new config, just unassign the parity disk, start array, stop array, assign it again and start array to begin parity sync.

 

I agree with johnnie as it's the safest bet. If you're 100% sure that nothing has been written to the array, then you can do a new config and select that parity is already valid. If you've written to the array since the parity disk went offline, then the parity data is no longer valid and will have to be rebuilt. Even if there is a tiny bit of doubt, you're better off rebuilding parity.

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So I am trying to rebuild my parity drive, but when I do a tools>new config and try to assign the parity drive, I can see it and select it, but then it disappears from the selection box.  Any thoughts?  Should I just pull the drive and wipe it in windows, then reinstall it into the array?

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The SMART report for the parity disk is incomplete, but the disk doesn't look healthy:

 

Error 822 occurred at disk power-on lifetime: 23636 hours (984 days + 20 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 00 ff ff ff 0f  Error: UNC at LBA = 0x0fffffff = 268435455

  Commands leading to the command that caused the error were:
  CR FR SC SN CL CH DH DC   Powered_Up_Time  Command/Feature_Name
  -- -- -- -- -- -- -- --  ----------------  --------------------
  25 00 80 ff ff ff ef 00   1d+03:42:35.109  READ DMA EXT
  35 00 08 ff ff ff ef 00   1d+03:42:35.109  WRITE DMA EXT
  35 00 08 ff ff ff ef 00   1d+03:42:35.108  WRITE DMA EXT
  35 00 08 ff ff ff ef 00   1d+03:42:35.108  WRITE DMA EXT
  35 00 08 ff ff ff ef 00   1d+03:42:35.107  WRITE DMA EXT

Error 821 occurred at disk power-on lifetime: 23636 hours (984 days + 20 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 00 ff ff ff 0f  Error: UNC at LBA = 0x0fffffff = 268435455

  Commands leading to the command that caused the error were:
  CR FR SC SN CL CH DH DC   Powered_Up_Time  Command/Feature_Name
  -- -- -- -- -- -- -- --  ----------------  --------------------
  25 00 80 ff ff ff ef 00   1d+03:42:35.109  READ DMA EXT
  35 00 08 ff ff ff ef 00   1d+03:42:35.109  WRITE DMA EXT
  35 00 08 ff ff ff ef 00   1d+03:42:35.108  WRITE DMA EXT
  35 00 08 ff ff ff ef 00   1d+03:42:35.108  WRITE DMA EXT
  35 00 08 ff ff ff ef 00   1d+03:42:35.107  WRITE DMA EXT

Error 820 occurred at disk power-on lifetime: 23636 hours (984 days + 20 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 00 ff ff ff 0f  Error: UNC at LBA = 0x0fffffff = 268435455

  Commands leading to the command that caused the error were:
  CR FR SC SN CL CH DH DC   Powered_Up_Time  Command/Feature_Name
  -- -- -- -- -- -- -- --  ----------------  --------------------
  25 00 40 ff ff ff ef 00   1d+03:42:09.957  READ DMA EXT
  ec 00 00 00 00 00 a0 00   1d+03:42:09.953  IDENTIFY DEVICE
  ef 03 42 00 00 00 a0 00   1d+03:42:09.750  SET FEATURES [set transfer mode]
  ec 00 00 00 00 00 a0 00   1d+03:42:09.722  IDENTIFY DEVICE
  25 00 40 ff ff ff ef 00   1d+03:42:03.563  READ DMA EXT

Error 819 occurred at disk power-on lifetime: 23636 hours (984 days + 20 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 00 ff ff ff 0f  Error: UNC at LBA = 0x0fffffff = 268435455

  Commands leading to the command that caused the error were:
  CR FR SC SN CL CH DH DC   Powered_Up_Time  Command/Feature_Name
  -- -- -- -- -- -- -- --  ----------------  --------------------
  25 00 40 ff ff ff ef 00   1d+03:42:09.957  READ DMA EXT
  ec 00 00 00 00 00 a0 00   1d+03:42:09.953  IDENTIFY DEVICE
  ef 03 42 00 00 00 a0 00   1d+03:42:09.750  SET FEATURES [set transfer mode]
  ec 00 00 00 00 00 a0 00   1d+03:42:09.722  IDENTIFY DEVICE
  25 00 40 ff ff ff ef 00   1d+03:42:03.563  READ DMA EXT

Error 818 occurred at disk power-on lifetime: 23636 hours (984 days + 20 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 00 ff ff ff 0f  Error: UNC at LBA = 0x0fffffff = 268435455

  Commands leading to the command that caused the error were:
  CR FR SC SN CL CH DH DC   Powered_Up_Time  Command/Feature_Name
  -- -- -- -- -- -- -- --  ----------------  --------------------
  25 00 40 ff ff ff ef 00   1d+03:42:03.563  READ DMA EXT
  ca 00 08 a0 c1 00 e0 00   1d+03:42:03.562  WRITE DMA
  ca 00 20 a8 c1 00 e0 00   1d+03:42:03.561  WRITE DMA
  35 00 08 ff ff ff ef 00   1d+03:42:03.561  WRITE DMA EXT
  ca 00 40 30 2e 0e e2 00   1d+03:42:03.560  WRITE DMA

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