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SAS 5/ir Adapter keeps rebuilding the RAID 1 array - PowerEdge 860
Hello,
I have a PowerEdge 860 with a couple of 1.5TB Seagate drives in RAID 1. In OpenManage Administrator it shows the virtual disk as rebuilding and the percent complete. The percent complete goes up to an unpredicatble number (sometimes as little as 5% sometimes as much as 100%) then starts over at 0%.
How do I get the virtual drive stable and completely rebuilt?
Thanks!
theflash1932
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March 16th, 2010 09:00
Which drive is rebuilding?
Download and run Online Diagnostics on the drives - Quick Tests. This will test the drives in under two minutes and let you know if one of the drives is bad. If one is, hopefully it is the one that is rebuilding. If the drives both pass, then there may be an issue with the array itself.
tcharvet
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March 16th, 2010 12:00
Thanks for the reply.
It's the secondary drive that is rebuilding. I've restarted the system and gone into the SAS bios configuration.
It shows the status as resyncing there as well. I'm going to try and wait it out there and see what happens. Perhaps the system being online introduces too many changes on the primary drive for it to ever complete the rebuild on the secondary. Just a guess at this point, but seems like it's worth a try. The drive passed diags.
I wonder if the drive itself might be too large for the RAID adapter? I don't think these boxes came with 1.5TB drives, not sure.
I'll post an update when I know more.
Thanks!
theflash1932
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March 16th, 2010 16:00
No, the largest I've heard of running on a SAS 5 is 1TB ... they never shipped from Dell with that large of a disk. How long was it working? You should no doubt update the controller's firmware for proper support of a drive that large.
BIOS -
ESM -
RAID Driver - <ADMIN NOTE: Broken link has been removed from this post by Dell>
RAID Firmware -
tcharvet
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March 17th, 2010 10:00
Looks like it rebuilt successfully in the BIOS.
Thanks!