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тАО11-28-2005 08:08 PM
тАО11-28-2005 08:08 PM
MSA30 RAID5 problem with only 1 disk failed
I have a MSA30 configured as a RAID5, no online spare.
Recently only one of the disk failed. It has been replaced and there are no more amber lights on the disk array.
But a check on the /var/log/messages file shows the following
cciss: cmd f6d80000 has CHECK CONDITION, sense key = 0x3
this means that the OS has problems reading the disk array.
Why is there a problem with the RAID 5 disk array with only 1 disk failed?
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тАО11-30-2005 01:46 AM
тАО11-30-2005 01:46 AM
Re: MSA30 RAID5 problem with only 1 disk failed
Normally, during a read operation, if data is bad, the Smart array controller will gather all remaining strips and parity to compute the missing data and supply it back to the initiator.
Realize if you have any other disk errors during a rebuild you are susceptible array failure.
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тАО11-30-2005 01:46 AM
тАО11-30-2005 01:46 AM
Re: MSA30 RAID5 problem with only 1 disk failed
Normally, during a read operation, if data is bad, the Smart array controller will gather all remaining strips and parity to compute the missing data and supply it back to the initiator.
Realize if you have any other disk errors during a rebuild you are susceptible to array failure.
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тАО11-30-2005 07:48 PM
тАО11-30-2005 07:48 PM
Re: MSA30 RAID5 problem with only 1 disk failed
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тАО12-01-2005 01:26 AM
тАО12-01-2005 01:26 AM
Re: MSA30 RAID5 problem with only 1 disk failed
What size is the drives.
How is the MSA30 connected, MSA or Smart Array controller.
Another plausible explanation.
That light will tell you if that drive is part of an Array. Perhaps the light pipe on the new drive doesn't line up with the LED causing diminished light output or the LED is out.
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тАО12-01-2005 11:48 AM
тАО12-01-2005 11:48 AM
Re: MSA30 RAID5 problem with only 1 disk failed
What I fear is that after the drive is replaced, the rebuild start but failed due to another faulty drive. But the array LED does not show any more faulty drives.
The array is connected to a 642 controller.
Is there an online tool that allows me to see the status of the drive?