On 07/13/2012 05:21 PM, Alexander Mestiashvili wrote: > Hi Debian folks, > > Could anyone please explain me why does this warning appear? > > mkfs.xfs: Specified data stripe width 640 is not the same as the volume > stripe width 2048 > > How does xfs know about volume stripe size width ? > > here is the command: > mkfs.xfs -fb size=4k -d su=64k,sw=5 /dev/mapper/mpath2 > mkfs.xfs: Specified data stripe width 640 is not the same as the volume > stripe width 2048 > meta-data=/dev/mapper/mpath2 isize=256 agcount=32, > agsize=12702944 blks > = sectsz=512 attr=2, projid32bit=0 > data = bsize=4096 blocks=406494128, imaxpct=5 > = sunit=16 swidth=80 blks > naming =version 2 bsize=4096 ascii-ci=0 > log =internal log bsize=4096 blocks=198496, version=2 > = sectsz=512 sunit=16 blks, lazy-count=1 > realtime =none extsz=4096 blocks=0, rtextents=0 > > > storage is hardware raid (hp msa g3) > The LUN allocated to the server is combined from 7 disks in raid6 (I > know it is not optimal for r6, 6+2 would be better), > chunk size is 64k > device is visible as /dev/mapper/mpath2 because of device mapper and > multipathing. > > so the formula for mkfs.xfs seem to be correct: su=chunk size(64k), > sw=number of data disks (7-2) > > Am I missing something ? > > Thank you in advance, > Alex > > > Forgot to say:
uname -r : 3.2.0-0.bpo.2-amd64 xfsprogs: 3.1.4 Regards, Alex -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/5000476c.5080...@gmail.com
