Asking for help
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Revision as of 22:49, 22 September 2016
Forward to Timeout Mismatch |
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.
Contents |
Asking the mailing list for help
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.
lsdrv
Download Phil Turmel's lsdrv utility with
git clone git://github.com/pturmel/lsdrv.git lsdrv
It uses Python 2.7 so if your system defaults to Python 3 you will need to edit the shebang line, and then it should work fine. Run it and then save the output!
/proc/mdstat
cat /proc/mdstat
What to do next
Check all the following sections to see if they solve your problem for you.
If they don't, post a description of your problem, accompanied by the output of all those commands, to the mailing list.
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