Messages in this thread | | | Date | Tue, 23 Mar 2010 14:16:46 +1100 | From | Neil Brown <> | Subject | Re: BUG:write data to degrade raid5 |
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On Fri, 19 Mar 2010 18:29:28 +0800 jin zhencheng <zhenchengjin@gmail.com> wrote:
> hi; > > i use kernel is 2.6.26.2 > > what i do as follow: > > 1, I create a raid5: > mdadm -C /dev/md5 -l 5 -n 4 /dev/sda /dev/sdb /dev/sdc /dev/sdd > --metadata=1.0 --assume-clean > > 2, dd if=/dev/zero of=/dev/md5 bs=1M & > > write data to this raid5 > > 3, mdadm --manage /dev/md5 -f /dev/sda > > 4 mdadm --manage /dev/md5 -f /dev/sdb > > if i faild 2 disks ,then the OS kernel display OOP error and kernel down > > > do somebody know why ? > > Is MD/RAID5 bug ?
Certainly this is a bug. 2.6.26 is quite old now - it is possible that the bug has already been fixed. If you are able to post the oops message - possibly use a digital camera to get a photograph - then I can probably explain what is happening and whether it has been fixed.
Thanks, NeilBrown
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