[OpenAFS] [ OpenAFS - Cache FileSystem ]
Arne Wiebalck
Arne.Wiebalck@cern.ch
Thu, 3 Oct 2013 13:07:59 +0000
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Hi Shawn,
=46rom what I understood, you use ZFS on the servers, not the clients, =
right?
Cheers,
Arne
On Oct 3, 2013, at 3:00 PM, Shawn McKee <smckee@umich.edu>
wrote:
> Hi Nicolas,
>=20
> Just as an FYI we are running our AFS cell (atlas.umich.edu) over ZFS =
v0.6.2 on Scientific Linux 6.4 64-bit without a problem.
>=20
> Shawn
>=20
>=20
> On Wed, Oct 2, 2013 at 3:48 PM, nicolas prochazka =
<prochazka.nicolas@gmail.com> wrote:
> Hello,
> For your intention,
> In Faq, we can read :
>=20
> The OpenAFS cache manager will detect an unsupported filesystem and
> refuse to start.
>=20
> The following file systems have been reported to work for the AFS =
client cache:
>=20
> ext2
> ext3
> hfs (HP-UX)
> xfs (at least on IRIX 6.5)
> ufs (Solaris, ?Tru64Unix)
>=20
>=20
> But if I configure cache on zfs on linux ( zfsonlinux.org) ,
> i got kernel panic :
>=20
> [114328.841466] Starting AFS cache scan...
> [114349.618208] openafs: Inconsistent file handles within cache
> [114349.618238] ------------[ cut here ]------------
> [114349.618926] kernel BUG at
> /tmp/openafs/src/libafs/MODLOAD-3.11.2-MP/osi_file.c:129!
> [114349.620004] invalid opcode: 0000 [#1] SMP
> [114349.620004] Modules linked in: libafs(PO) zfs(PO) zunicode(PO)
> zavl(PO) zcommon(PO) znvpair(PO) spl(O) kvm_intel kvm
> [114349.620004] CPU: 0 PID: 32590 Comm: afsd Tainted: P O =
3.11.2 #1
> [114349.620004] Hardware name: NEC Express5800/120Rj-2
> [N8100-1407E]/MS-9192-01S, BIOS 1.0.4S31 03/05/2010
> [114349.620004] task: ffff88076e5f2000 ti: ffff880559c6c000 task.ti:
> ffff880559c6c000
> [114349.620004] RIP: 0010:[<ffffffffa02971e8>] [<ffffffffa02971e8>]
> osi_get_fh+0xc8/0xe0 [libafs]
> [114349.620004] RSP: 0018:ffff880559c6dc38 EFLAGS: 00010296
> [114349.620004] RAX: 000000000000002f RBX: 0000000000000007 RCX:
> 0000000000000000
> [114349.620004] RDX: ffff88082fc0fa88 RSI: ffff88082fc0e178 RDI:
> 0000000000000246
> [114349.620004] RBP: ffff880559c6dc48 R08: 0000000000000400 R09:
> ffffffff82716488
> [114349.635745] R10: 000000000000041c R11: 000000000000041b R12:
> 0000000000000000
> [114349.635745] R13: 000000000062dd80 R14: ffff88077ad03800 R15:
> 0000000000000001
> [114349.635745] FS: 00007f2afb49c700(0000) GS:ffff88082fc00000(0000)
> knlGS:0000000000000000
> [114349.635745] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [114349.635745] CR2: 000000007398600c CR3: 00000005583ef000 CR4:
> 00000000000027e0
> [114349.635745] Stack:
> [114349.635745] ffff88077ad03800 0000000300000001 ffff880559c6dc68
> ffffffffa02975c0
> [114349.635745] ffff880559c6dc88 ffff88051fdb6900 ffff880559c6dca8
> ffffffffa025ddfa
> [114349.635745] ffff880559c6dc98 ffffffff81064565 ffff880559c6dca8
> ffffffff81f182cd
> [114349.635745] Call Trace:
> [114349.635745] [<ffffffffa02975c0>] osi_InitCacheInfo+0x40/0x80 =
[libafs]
> [114349.635745] [<ffffffffa025ddfa>] afs_InitCacheInfo+0x2a/0x130 =
[libafs]
> [114349.635745] [<ffffffff81064565>] ? ns_capable+0x35/0x60
> [114349.635745] [<ffffffff81f182cd>] ? mutex_lock+0x1d/0x50
> [114349.635745] [<ffffffffa02a28de>] afs_syscall_call+0x105e/0x1bf0 =
[libafs]
> [114349.635745] [<ffffffff8117a2ab>] ? do_last.isra.57+0x11b/0xc60
> [114349.635745] [<ffffffff811775a8>] ? inode_permission+0x18/0x50
> [114349.635745] [<ffffffff81177a8d>] ? link_path_walk+0x23d/0x8e0
> [114349.635745] [<ffffffff8108538a>] ? lg_local_unlock+0x1a/0x20
> [114349.635745] [<ffffffff81189e79>] ? mntput_no_expire+0x49/0x160
> [114349.635745] [<ffffffffa022a9ec>] afs_syscall+0x17c/0x650 [libafs]
> [114349.635745] [<ffffffffa02421f9>] afs_unlocked_ioctl+0x69/0xd0 =
[libafs]
> [114349.635745] [<ffffffff811cf86f>] =
proc_reg_unlocked_ioctl+0x3f/0x70
> [114349.635745] [<ffffffff8117d5fb>] do_vfs_ioctl+0x8b/0x4f0
> [114349.635745] [<ffffffff81177376>] ? final_putname+0x26/0x50
> [114349.635745] [<ffffffff8117dab0>] SyS_ioctl+0x50/0x90
> [114349.635745] [<ffffffff81f1bb99>] system_call_fastpath+0x16/0x1b
> [114349.635745] Code: 8b 0d 75 2c 02 00 89 05 73 2c 02 00 89 c2 85 c9
> 79 ac 8b 4d fc 89 0d 60 2c 02 00 eb a1 48 c7 c7 08 42 2b a0 31 c0 e8
> 3a 40 c7 e1 <0f> 0b 48 c7 c7 e0 41 2b a0 31 c0 e8 2a 40 c7 e1 0f 0b 66
> 0f 1f
> [114349.635745] RIP [<ffffffffa02971e8>] osi_get_fh+0xc8/0xe0 =
[libafs]
> [114349.635745] RSP <ffff880559c6dc38>
> [114351.110672] ---[ end trace b1f29ac8defa1347 ]---
> _______________________________________________
> OpenAFS-info mailing list
> OpenAFS-info@openafs.org
> https://lists.openafs.org/mailman/listinfo/openafs-info
>=20
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<html><head><meta http-equiv="Content-Type" content="text/html charset=iso-8859-1"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Hi Shawn,<div><br></div><div>From what I understood, you use ZFS on the servers, not the clients, right?</div><div><br></div><div>Cheers,</div><div> Arne</div><div><br></div><div><br><div><div>On Oct 3, 2013, at 3:00 PM, Shawn McKee <<a href="mailto:smckee@umich.edu">smckee@umich.edu</a>></div><div> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"><div dir="ltr">Hi Nicolas,<div><br></div><div>Just as an FYI we are running our AFS cell (<a href="http://atlas.umich.edu/">atlas.umich.edu</a>) over ZFS v0.6.2 on Scientific Linux 6.4 64-bit without a problem.</div><div><br>
</div><div>Shawn</div></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Wed, Oct 2, 2013 at 3:48 PM, nicolas prochazka <span dir="ltr"><<a href="mailto:prochazka.nicolas@gmail.com" target="_blank">prochazka.nicolas@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hello,<br>
For your intention,<br>
In Faq, we can read :<br>
<br>
The OpenAFS cache manager will detect an unsupported filesystem and<br>
refuse to start.<br>
<br>
The following file systems have been reported to work for the AFS client cache:<br>
<br>
ext2<br>
ext3<br>
hfs (HP-UX)<br>
xfs (at least on IRIX 6.5)<br>
ufs (Solaris, ?Tru64Unix)<br>
<br>
<br>
But if I configure cache on zfs on linux ( <a href="http://zfsonlinux.org/" target="_blank">zfsonlinux.org</a>) ,<br>
i got kernel panic :<br>
<br>
<a href="tel:%5B114328.841466" value="+14328841466">[114328.841466</a>] Starting AFS cache scan...<br>
<a href="tel:%5B114349.618208" value="+14349618208">[114349.618208</a>] openafs: Inconsistent file handles within cache<br>
<a href="tel:%5B114349.618238" value="+14349618238">[114349.618238</a>] ------------[ cut here ]------------<br>
<a href="tel:%5B114349.618926" value="+14349618926">[114349.618926</a>] kernel BUG at<br>
/tmp/openafs/src/libafs/MODLOAD-3.11.2-MP/osi_file.c:129!<br>
<a href="tel:%5B114349.620004" value="+14349620004">[114349.620004</a>] invalid opcode: 0000 [#1] SMP<br>
<a href="tel:%5B114349.620004" value="+14349620004">[114349.620004</a>] Modules linked in: libafs(PO) zfs(PO) zunicode(PO)<br>
zavl(PO) zcommon(PO) znvpair(PO) spl(O) kvm_intel kvm<br>
<a href="tel:%5B114349.620004" value="+14349620004">[114349.620004</a>] CPU: 0 PID: 32590 Comm: afsd Tainted: P O 3.11.2 #1<br>
[114349.620004] Hardware name: NEC Express5800/120Rj-2<br>
[N8100-1407E]/MS-9192-01S, BIOS 1.0.4S31 03/05/2010<br>
[114349.620004] task: ffff88076e5f2000 ti: ffff880559c6c000 task.ti:<br>
ffff880559c6c000<br>
[114349.620004] RIP: 0010:[<ffffffffa02971e8>] [<ffffffffa02971e8>]<br>
osi_get_fh+0xc8/0xe0 [libafs]<br>
[114349.620004] RSP: 0018:ffff880559c6dc38 EFLAGS: 00010296<br>
[114349.620004] RAX: 000000000000002f RBX: 0000000000000007 RCX:<br>
0000000000000000<br>
[114349.620004] RDX: ffff88082fc0fa88 RSI: ffff88082fc0e178 RDI:<br>
0000000000000246<br>
[114349.620004] RBP: ffff880559c6dc48 R08: 0000000000000400 R09:<br>
ffffffff82716488<br>
[114349.635745] R10: 000000000000041c R11: 000000000000041b R12:<br>
0000000000000000<br>
[114349.635745] R13: 000000000062dd80 R14: ffff88077ad03800 R15:<br>
0000000000000001<br>
[114349.635745] FS: 00007f2afb49c700(0000) GS:ffff88082fc00000(0000)<br>
knlGS:0000000000000000<br>
[114349.635745] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033<br>
[114349.635745] CR2: 000000007398600c CR3: 00000005583ef000 CR4:<br>
00000000000027e0<br>
[114349.635745] Stack:<br>
[114349.635745] ffff88077ad03800 0000000300000001 ffff880559c6dc68<br>
ffffffffa02975c0<br>
[114349.635745] ffff880559c6dc88 ffff88051fdb6900 ffff880559c6dca8<br>
ffffffffa025ddfa<br>
[114349.635745] ffff880559c6dc98 ffffffff81064565 ffff880559c6dca8<br>
ffffffff81f182cd<br>
[114349.635745] Call Trace:<br>
[114349.635745] [<ffffffffa02975c0>] osi_InitCacheInfo+0x40/0x80 [libafs]<br>
[114349.635745] [<ffffffffa025ddfa>] afs_InitCacheInfo+0x2a/0x130 [libafs]<br>
[114349.635745] [<ffffffff81064565>] ? ns_capable+0x35/0x60<br>
[114349.635745] [<ffffffff81f182cd>] ? mutex_lock+0x1d/0x50<br>
[114349.635745] [<ffffffffa02a28de>] afs_syscall_call+0x105e/0x1bf0 [libafs]<br>
[114349.635745] [<ffffffff8117a2ab>] ? do_last.isra.57+0x11b/0xc60<br>
[114349.635745] [<ffffffff811775a8>] ? inode_permission+0x18/0x50<br>
[114349.635745] [<ffffffff81177a8d>] ? link_path_walk+0x23d/0x8e0<br>
[114349.635745] [<ffffffff8108538a>] ? lg_local_unlock+0x1a/0x20<br>
[114349.635745] [<ffffffff81189e79>] ? mntput_no_expire+0x49/0x160<br>
[114349.635745] [<ffffffffa022a9ec>] afs_syscall+0x17c/0x650 [libafs]<br>
[114349.635745] [<ffffffffa02421f9>] afs_unlocked_ioctl+0x69/0xd0 [libafs]<br>
[114349.635745] [<ffffffff811cf86f>] proc_reg_unlocked_ioctl+0x3f/0x70<br>
[114349.635745] [<ffffffff8117d5fb>] do_vfs_ioctl+0x8b/0x4f0<br>
[114349.635745] [<ffffffff81177376>] ? final_putname+0x26/0x50<br>
[114349.635745] [<ffffffff8117dab0>] SyS_ioctl+0x50/0x90<br>
[114349.635745] [<ffffffff81f1bb99>] system_call_fastpath+0x16/0x1b<br>
[114349.635745] Code: 8b 0d 75 2c 02 00 89 05 73 2c 02 00 89 c2 85 c9<br>
79 ac 8b 4d fc 89 0d 60 2c 02 00 eb a1 48 c7 c7 08 42 2b a0 31 c0 e8<br>
3a 40 c7 e1 <0f> 0b 48 c7 c7 e0 41 2b a0 31 c0 e8 2a 40 c7 e1 0f 0b 66<br>
0f 1f<br>
[114349.635745] RIP [<ffffffffa02971e8>] osi_get_fh+0xc8/0xe0 [libafs]<br>
[114349.635745] RSP <ffff880559c6dc38><br>
[114351.110672] ---[ end trace b1f29ac8defa1347 ]---<br>
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<a href="mailto:OpenAFS-info@openafs.org">OpenAFS-info@openafs.org</a><br>
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</blockquote></div><br></div>
</blockquote></div><br></div></body></html>
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