Asking for help

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Asking the mailing list for help

Linux RAID issues are discussed in the linux-raid mailing list to be found at http://vger.kernel.org/vger-lists.html#linux-raid You do not have to be subscribed to the mailing list to post. Please note that you should "reply all" to any email - not everyone is subscribed to the list. Feel free to post requests for help to the list - just remember that many of us are users of raid who are happy to help other users, so do not expect a prompt reply, although a reply will probably be forthcoming eventually.

There is a whole bunch of stuff you need to do first, before asking the list, however. And, studied carefully, this will hopefully enable you to solve your own problem.

smartctl

smartctl --all /dev/sda

Run smartctl on all drives. Most requests for help to the list turn out to be because the drives do not support TLER or SCT/ERC. This is easily fixed. If the --all option does not provide sufficient information, use the --xall option.

mdadm

mdadm --examine /dev/sda

Run --examine on all drives. This scans the drive for informtion about what arrays are on the drive.

mdadm --detail /dev/md0

Run --detail on all arrays. This scans the array for information about the drives or partitions which make it up.

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