Hi Folks,
I am trying to create RAID5 array using mdadm on kernel 2.6.15 as
# mdadm -Cv /dev/md0 --assume-clean --force --bitmap=/tmp/bitmap.txt -l5 -n4
/dev/sd{a,b,c,d}
But when I execute this command getting the following error:
mdadm: RUN_ARRAY failed: Cannot allocate memory
# dmesg shows
Apr 11 00:39:40 localhost kernel: md: bind<sda>
Apr 11 00:39:40 localhost kernel: md: bind<sdb>
Apr 11 00:39:40 localhost kernel: md: bind<sdc>
Apr 11 00:39:40 localhost kernel: raid5: automatically using best
checksumming function: generic_sse
Apr 11 00:39:40 localhost kernel: generic_sse: 4111.000 MB/sec
Apr 11 00:39:40 localhost kernel: raid5: using function: generic_sse
(4111.000 MB/sec)
Apr 11 00:39:40 localhost kernel: md: raid5 personality registered as nr 4
Apr 11 00:39:41 localhost kernel: md0: bitmap file is out of date (0 < 1) --
forcing full recovery
Apr 11 00:39:41 localhost kernel: md0: failed to create bitmap (-12)
Apr 11 00:39:41 localhost kernel: md: pers->run() failed ...
Apr 11 00:39:41 localhost kernel: md: md0 stopped.
Apr 11 00:39:41 localhost kernel: md: unbind<sdc>
Apr 11 00:39:41 localhost kernel: md: export_rdev(sdc)
Apr 11 00:39:41 localhost kernel: md: unbind<sdb>
Apr 11 00:39:41 localhost kernel: md: export_rdev(sdb)
Apr 11 00:39:41 localhost kernel: md: unbind<sda>
Apr 11 00:39:41 localhost kernel: md: export_rdev(sda)
I am not able to get why mdadm is failing.
Please suggest some pointers so that I can solve this problem.
Thanks,
Yogesh Pahilwan
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