On 11/12/12 4:42 PM, Tim Cutts wrote: > On 12 Nov 2012, at 03:50, Duke Nguyen <duke.li...@gmx.com> wrote: > >> On 11/9/12 7:26 PM, Bogdan Costescu wrote: >>> On Fri, Nov 9, 2012 at 7:19 AM, Christopher Samuel >>> <sam...@unimelb.edu.au> wrote: >>>> So JBODs with LVM on top and XFS on top of that could be resized on >>>> the fly. You can do the same with ext[34] as well (from memory). >> We also thought of using LVM on top of RAID disks, but never think of >> XFS. Why do we need XFS and how does this compare with GPFS? > XFS is not a parallel filesystem like GPFS, but a lot of us use it because > it's so easy to grow the filesystem. I frequently do this with virtual > machines to expand their storage. > > 1) Add new virtual disk > 2) Scan SCSI buses in Linux > 3) pvcreate the new device > 4) vgextend > 5) lvextend > 6) xfs_growfs > > Job done. > > On systems in our data centre, we tend to use XFS for most local filesystems, > unless we have a good reason to use something else.
Is there any reason you do not use GlusterFS on top of XFS? Can I do that? With that, can I have a parallel system similar to GPFS? Thanks, D. _______________________________________________ Beowulf mailing list, Beowulf@beowulf.org sponsored by Penguin Computing To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf
