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hello, does lustre support OSD T10 standard? Can it be used with IBM''s/Intel''s OSD initiator and target? Thanks, Ashish -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.lustre.org/pipermail/lustre-discuss/attachments/20071128/c2de31a6/attachment-0002.html

The OSD layer was a wrapper around native interfaces adding little value and was infact buggy - refer to the osd_wait.patch for details. This patch gets rid of the OSD abstraction. Signed-off-by: K. Y. Srinivasan <kys at microsoft.com> Signed-off-by: Hank Janssen <hjanssen at microsoft.com>...

The OSD layer was a wrapper around native interfaces adding little value and was infact buggy - refer to the osd_wait.patch for details. This patch gets rid of the OSD abstraction. Signed-off-by: K. Y. Srinivasan <kys at microsoft.com> Signed-off-by: Hank Janssen <hjanssen at microsoft.com>...

Hi, A bit of explanation of what I''m trying to achieve : We have a bunch of homogeneous nodes that have CPU + RAM + Storage and we want to use that as some generic cluster. The idea is to have Xen on all of these and run Ceph OSD in a domU on each to "export" the local storage space to the entire cluster. And then use RBD to store / access VM images from any of the machines. We did setup a working ceph cluster and RBD works well as long as we don''t access it from a dom0 that run a VM hosting a OSD. When...

Hi, I have high IO-Wait on the ods (ceph), the osd are running a v3.1-rc9 kernel. I also experience high IO-rates, around 500IO/s reported via iostat. Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util sda 0.00 0.00 0.00 6.80 0.00 62.40 18.35...

lustre-1.8 has OSD structures in place, what do I need to add in to make it work with OSD T10 standard? could anybody point me to some docs mentioning lustre internals - OSTs, OSSs, OBDs, and control flow when a read/write call is invoked by a client. thanks. -------------- next part -------------- An HTML attachment...

...x10 [91128.965133] [<ffffffff81070360>] ? kthread_freezable_should_stop+0x70/0x70 [91128.972913] [<ffffffff8158c220>] ? gs_change+0x13/0x13 [91128.978826] ---[ end trace b8c31966cca731fb ]--- I''m able to reproduce this with ceph on a single server with 4 disks (4 filesystems/osds) and a small test program based on librbd. It is simply writing random bytes on a rbd volume (see attachment). Is this something I should care about? Any hint''s on solving this would be appreciated. Thanks, Christian

I recently started using compiz-fusion. After spending months looking at an anemic little rectangular on-screen volume control when I use the volume buttons on my ubuntu thinkpad T60p, all of a sudden I noticed that I was getting a nice, big, robust rounded-corner display (somewhat mac-like). Now it's gone again. I really have no clue whether this came from compiz-fusion, emerald, a plugin,

...xml + virt-v2v -i libvirtxml -op imported --network default guest-domain.xml - virt-v2v -f virt-v2v.conf -ic esx://esx.server/ -op transfer esx_guest + virt-v2v -ic esx://esx.server/ -op imported --network default esx_guest - virt-v2v -f virt-v2v.conf -ic esx://esx.server/ \ - -o rhev -osd rhev.nfs.storage:/export_domain guest esx_guest + virt-v2v -ic esx://esx.server/ \ + -o rhev -osd rhev.nfs.storage:/export_domain --network rhevm \ + esx_guest =head1 DESCRIPTION @@ -517,22 +518,29 @@ storage referred to in the domain XML is available locally at the same path...

...s, but the latter bounced because I'm not subscribed, so here's a copy of the post there, with additional info at the end, that I forgot to put in the initial message, but that I posted to the former as a followup: A few days ago, I started using rsync batches to archive old copies of ceph OSD snapshots for certain kinds of disaster recovery. This seems to exercise an unexpected race condition in rsync, which happens to expose what appears to be a race condition in btrfs, causing random scary but harmless errors when replaying the rsync batches. strace has revealed that the two rsync p...

This got me closer, but it got to "Encapsulating winpe.wim..." and never went through the rest of the way. Ultimately PXELINUX apparently timed out and the machine rebooted. Here is relative portion of pxelinux: LABEL SCCM OSD Boot MENU LABEL ^2. SCCM OSD Boot com32 linux.c32 append wimboot initrdfile=bootmgr.exe,BCD,boot.sdi,winpe.wim TEXT HELP Deployment of Operating System via SCCM. Jason Jones Sr. Associate, Network Services | End User Computing 3947 N Oak St Ext | Valdosta, GA 31605...

An user reported that he has hit an annoying deadlock while playing with ceph based on btrfs. Current updating device tree requires space from METADATA chunk, so we -may- need to do a recursive chunk allocation when adding/updating dev extent, that is where the deadlock comes from. If we use SYSTEM metadata to update device tree, we can avoid the recursive stuff. Reported-by: Jim Schutt

On 28/08/14 19:38, Jason Jones wrote: > Anyone have luck with pxechn32 and bootmgfw.efi? > > I'm getting the "Unable to retrieve first package" issue as reported by others. > > Really, any advice for UEFI booting into a winpe environment off of pxelinux 6.03 would be beneficial. As it happens, I released a new version of wimboot with support for UEFI yesterday. The

...r wrote: >> >> > Christian, have you tweaked those settings in your ceph.conf?  It would be >> >> > something like ''journal dio = false''.  If not, can you verify that >> >> > directio shows true when the journal is initialized from your osd log? >> >> > E.g., >> >> > >> >> >  2011-10-21 15:21:02.026789 7ff7e5c54720 journal _open dev/osd0.journal fd 14: 104857600 bytes, block size 4096 bytes, directio = 1 >> >> > >> >> > If directio = 1 for you, something else f...

...ml + virt-v2v -f virt-v2v.conf -i libvirtxml -op transfer guest-domain.xml - virt-v2v -f virt-v2v.conf -ic esx://esx.server/ -op transfer guest-domain + virt-v2v -f virt-v2v.conf -ic esx://esx.server/ -op transfer esx_guest + + virt-v2v -f virt-v2v.conf -ic esx://esx.server/ \ + -o rhev -osd rhev.nfs.storage:/export_domain guest esx_guest =head1 DESCRIPTION virt-v2v converts guests from a foreign hypervisor to run on KVM, managed by -libvirt. It can currently convert Red Hat Enterprise Linux and Fedora guests -running on Xen and VMware ESX. It will enable VirtIO drivers in the co...

...lusters. >Here are my observations but I am far from an expert in either Ceph or Gluster. > >Gluster works very well with 2 servers containing 2 big RAID disk arrays. > >Ceph on the other hand has MON,MGR,MDS...? that can run on multiple servers, and should be for redundancy, but the OSDs should be lots of small servers with very few disks attached. > >It kind of seems that the perfect OSD would be a disk with a raspberry pi attached and a 2.5Gb nic. >Something really cheap and replaceable. > >So putting Ceph on 2 big servers with RAID arrays is likely a very bad ide...

...fileserver and as it is RAIDed I can loose two disks on this machine before I start to loose data. .... thinking ceph and similar setup .... The idea is to have one "admin" node and two fileservers. The admin node will run mon, mgr and mds. The storage nodes will run mon, mgr, mds and 8x osd (8 disks), with replication = 2. The problem is that I can not get my head around how to think when disaster strikes. So one fileserver burns up, there is still the other fileserver and from my understanding the ceph system will start to replicate the files on the same fileserver and when this is...

Lockdep complains about btrfs''s async commit: [ 2372.462171] [ BUG: bad unlock balance detected! ] [ 2372.462191] 3.12.0+ #32 Tainted: G W [ 2372.462209] ------------------------------------- [ 2372.462228] ceph-osd/14048 is trying to release lock (sb_internal) at: [ 2372.462275] [<ffffffffa022cb10>] btrfs_commit_transaction_async+0x1b0/0x2a0 [btrfs] [ 2372.462305] but there are no more locks to release! [ 2372.462324] [ 2372.462324] other info that might help us debug this: [ 2372.462349] no locks held...

..._MSR_SIEFP msr set to: %llx", siefp.as_uint64); @@ -449,15 +454,15 @@ void HvSynicInit(void *irqarg) wrmsrl(HV_X64_MSR_SCONTROL, sctrl.as_uint64); - gHvContext.SynICInitialized = true; + g_hv_context.synic_initialized = true; return; Cleanup: - if (gHvContext.synICEventPage[cpu]) - osd_PageFree(gHvContext.synICEventPage[cpu], 1); + if (g_hv_context.synic_event_page[cpu]) + osd_PageFree(g_hv_context.synic_event_page[cpu], 1); - if (gHvContext.synICMessagePage[cpu]) - osd_PageFree(gHvContext.synICMessagePage[cpu], 1); + if (g_hv_context.synic_message_page[cpu]) + osd_PageFree(...

..._MSR_SIEFP msr set to: %llx", siefp.as_uint64); @@ -449,15 +454,15 @@ void HvSynicInit(void *irqarg) wrmsrl(HV_X64_MSR_SCONTROL, sctrl.as_uint64); - gHvContext.SynICInitialized = true; + g_hv_context.synic_initialized = true; return; Cleanup: - if (gHvContext.synICEventPage[cpu]) - osd_PageFree(gHvContext.synICEventPage[cpu], 1); + if (g_hv_context.synic_event_page[cpu]) + osd_PageFree(g_hv_context.synic_event_page[cpu], 1); - if (gHvContext.synICMessagePage[cpu]) - osd_PageFree(gHvContext.synICMessagePage[cpu], 1); + if (g_hv_context.synic_message_page[cpu]) + osd_PageFree(...