hi Duke, Where do you need a parallel file system for if you have 1 fileserver in total?
On Nov 12, 2012, at 12:26 PM, Duke Nguyen wrote: > 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 _______________________________________________ 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
