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1answer
49 views

Raid 5 rebuild with wrong stripe size & no failed disks - is data lost?

I'm curious if there are hidden complexities to RAID5 and RAID5 rebuilds. My understanding is that (in a 3 disk array) a rebuild would just directly compute the parity of disks 1 & 2 and write ...
1
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1answer
44 views

Missing mdadm raid5 array reassembles as raid0 after powerout

I had RAID5 array of three disks with no spares. There was a power out, and on reboot, the array failed to come back up. In fact, it the /dev/md127 device disappeared entirely, and was replaced by an ...
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1answer
804 views

Install RHEL 5.7S on machine with 4TB disks

I'm getting errors about GPT when installing OS using kickstart. The Dell R720 has 8x 600GB SAS. I can't figure out what to configure in BIOS and kickstart file. In BIOS, there're boot options of ...
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0answers
121 views

Recover data from a BTRFS RAID5

I have a BTRFS RAID5 setup (no mdadm) with four disks (the fifth failed). Now I am trying to recover the files but as soon as I try to rsync the files over to another disk, the system hangs after ...
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0answers
351 views

Help with lost software RAID5 on CentOS 6.5

I've been searching for hours and giving up / too scared to delete all my data. I have a file server running CentOS 6.5 which has 4 WD RED 2TB drives (all > 1 year old) in software raid 5 with mdadm, ...
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0answers
283 views

mdadm raid 5 missing partitions after reboot

I had a working raid 5 array that had a whole debian install on it (I set it up during a debian install). I'd been using it a couple of days, all was fine, but since I created it during debian ...
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0answers
138 views

RAID5 Arrary disappeard with no HW or SW changes made

I have a R-Pi running XBMC (Linux CaribNAS 3.10.24 #2 PREEMPT Mon Dec 23 05:18:12 UTC 2013 armv6l GNU/Linux) with a 3 disk raid 5 array that has been working up till yesterday when is stopped running ...
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0answers
83 views

Rebuilding a raid5 array from images

I have an 8 disk possibly raid5 array that was part of a fried NAS, the whole thing uses pdc20265 promise chips and some kind of embedded system on a small ide board. No clue if the board is anything ...