I have heard rumors to the affect that there will be a sparc release of lustre incorporating zfs. If this is true does anyone know how I can get a copy, beta test, or sign up for the effort.
I wonder, can anyone speak to the relative merits of pNFS and Lustre, where you might choose one rather than the other? I know pNFS is a work in progress but I would hope Sun and others understand the positioning of these two products sufficiently well to articulate where they fit and what workloads each is best suited to? Also, I have noticed talk of pCIFS in this discussion and, since there are plans for a Solaris version of Lustre (2.0 I believe) I cannot help but wonder to what extent the new CIFS implementation in OpenSolaris will be leveraged in the development of pCIFS? Surely these two are not going to be independent code bases entirely? Regards g
On Apr 19, 2008 15:52 -0700, James Hartley wrote:> I have heard rumors to the affect that there will be a sparc release > of lustre incorporating zfs. If this is true does anyone know how I > can get a copy, beta test, or sign up for the effort.This is somewhat true. There is work well underway for using ZFS as a Lustre back-end filesystem, planned delivery Dec 2008. As part of this work, the servers will be moved to run in userspace, and as a result Lustre servers will be available on Solaris. There is currently no effort to support SPARC servers specifically under either Linux or Solaris. That said, there isn''t a specific reason that the user-space servers WON''T work on SPARC. As yet there is no work underway for Lustre-on-Solaris clients, though it has been discussed. There is also no specific effort to support Lustre-on-Linux-SPARC clients, though we do support other big-endian clients so this might "just work" with the 1.6.5 release, which had some fixes for big-endian clients. Cheers, Andreas -- Andreas Dilger Sr. Staff Engineer, Lustre Group Sun Microsystems of Canada, Inc.
On Mon, 21 Apr 2008, Andreas Dilger wrote:> On Apr 19, 2008 15:52 -0700, James Hartley wrote: >> I have heard rumors to the affect that there will be a sparc release >> of lustre incorporating zfs. If this is true does anyone know how I >> can get a copy, beta test, or sign up for the effort. > > This is somewhat true. There is work well underway for using ZFS > as a Lustre back-end filesystem, planned delivery Dec 2008. As > part of this work, the servers will be moved to run in userspace, > and as a result Lustre servers will be available on Solaris.Does this include moving the MDS to userspace? Last time I looked at http://wiki.lustre.org/index.php?title=Lustre_OSS/MDS_with_ZFS_DMU it only talked about the OSS''s, but it would really be nice to also have the MDS not dragging the kernel down with it when it crashes... /Nikke -- -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- Niklas Edmundsson, Admin @ {acc,hpc2n}.umu.se | nikke at hpc2n.umu.se --------------------------------------------------------------------------- Drive A: not responding.. .Formating C: instead =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
Niklas Edmundsson writes: > On Mon, 21 Apr 2008, Andreas Dilger wrote: > > > On Apr 19, 2008 15:52 -0700, James Hartley wrote: > >> I have heard rumors to the affect that there will be a sparc release > >> of lustre incorporating zfs. If this is true does anyone know how I > >> can get a copy, beta test, or sign up for the effort. > > > > This is somewhat true. There is work well underway for using ZFS > > as a Lustre back-end filesystem, planned delivery Dec 2008. As > > part of this work, the servers will be moved to run in userspace, > > and as a result Lustre servers will be available on Solaris. > > Does this include moving the MDS to userspace? Last time I looked at > http://wiki.lustre.org/index.php?title=Lustre_OSS/MDS_with_ZFS_DMU it > only talked about the OSS''s, but it would really be nice to also have > the MDS not dragging the kernel down with it when it crashes... Yes, user space MDS is also in works. > > /Nikke Nikita.
On Apr 22, 2008 10:53 +0200, Niklas Edmundsson wrote:> On Mon, 21 Apr 2008, Andreas Dilger wrote: > > > On Apr 19, 2008 15:52 -0700, James Hartley wrote: > >> I have heard rumors to the affect that there will be a sparc release > >> of lustre incorporating zfs. If this is true does anyone know how I > >> can get a copy, beta test, or sign up for the effort. > > > > This is somewhat true. There is work well underway for using ZFS > > as a Lustre back-end filesystem, planned delivery Dec 2008. As > > part of this work, the servers will be moved to run in userspace, > > and as a result Lustre servers will be available on Solaris. > > Does this include moving the MDS to userspace? Last time I looked at > http://wiki.lustre.org/index.php?title=Lustre_OSS/MDS_with_ZFS_DMU it > only talked about the OSS''s, but it would really be nice to also have > the MDS not dragging the kernel down with it when it crashes...Yes, there is also work underway for uMDS servers. They will both be in the 2.0 release. Cheers, Andreas -- Andreas Dilger Sr. Staff Engineer, Lustre Group Sun Microsystems of Canada, Inc.
On Seg, 2008-04-21 at 23:26 -0600, Andreas Dilger wrote:> There is currently no effort to support SPARC servers specifically under > either Linux or Solaris. That said, there isn''t a specific reason that > the user-space servers WON''T work on SPARC.Well, under Linux, only SPARC64 would work right now because the implementation of the atomic operations for the 32-bit SPARC architecture has not been imported from OpenSolaris. This is pretty easy to add but hard to test without having a 32-bit SPARC machine. I have filed bug 15656 for this. Regards, Ricardo -- Ricardo Manuel Correia Lustre Engineering Sun Microsystems, Inc. Portugal Phone +351.214134023 / x58723 Mobile +351.912590825 Email Ricardo.M.Correia at Sun.COM -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.lustre.org/pipermail/lustre-discuss/attachments/20080423/83b9145e/attachment-0002.html -------------- next part -------------- A non-text attachment was scrubbed... Name: 6g_top.gif Type: image/gif Size: 1257 bytes Desc: not available Url : http://lists.lustre.org/pipermail/lustre-discuss/attachments/20080423/83b9145e/attachment-0002.gif