Re: BUG:write data to degrade raid5

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jin zhencheng 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 ?

I would usually say that any kernel OOPS is a bug, but in this case, what are you running your Linux on, given that you just trashed the first four drives? While it's possible to run off of other drives, you have to make an effort to configure Linux to do so.

--
Bill Davidsen <davidsen@xxxxxxx>
 "We can't solve today's problems by using the same thinking we
  used in creating them." - Einstein

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