Hi Neil, I have set --bitmap-chunk=1024 and RAID5 gets created successfully. But why I will have to set --bitmap-chunk for big size devices such as 500GB each in my case? What is the default value of --bitmap-chunk? Thanks, Yogesh -----Original Message----- From: Neil Brown [mailto:neilb@xxxxxxx] Sent: Tuesday, April 11, 2006 12:37 PM To: Yogesh Pahilwan Cc: linux-raid@xxxxxxxxxxxxxxx Subject: Re: Problem in creating RAID5 MD array with kernel 2.6.15 On Tuesday April 11, pahilwan.yogesh@xxxxxxxxxxxxxxx wrote: > 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 How big are your devices? Try setting a larger bitmap chunk size --bitmap-chunk=1024 maybe. NeilBrown - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
