[Gluster-users] ovirt read error

David Gossage dgossage at carouselchecks.com
Tue Jul 12 10:14:32 UTC 2016


On Tue, Jul 12, 2016 at 5:08 AM, Frank Rothenstein <
f.rothenstein at bodden-kliniken.de> wrote:

> Hi David,
>
> As I'm on gluster I use
>
> glusterfs.x86_64 3.7.12-2.el7 @centos-gluster37
>
> I already tried to revert back to 3.7.11 but somehow this didn't help.
>
> Do you have more info on aio/caching?
>

Not at the moment I really haven't had time to dig into it this week yet.
I'll quote Lindsay Mathieson 's response and maybe she can chime in if she
sees this chain.


--------------------------------------------------------------
Hi David, I did a quick test this morning with Proxmox and 3.7.13 and was
able to get it working with the fuse mount *and* libgfapi.


One caveat - you *have* to enable qemu caching, either write-back or
write-through. 3.7.12 & 13 seem to now disable aio support, and qemu
requires that when caching is turned off.


There are setting for aio in gluster that I haven't played with yet.
-----------------------------------------------------------------

Did you revert client and server's to 3.7.11?  It could be also that we had
2 completely different issues.  The only similarity being the recent
upgrades and Operation not permitted messages.


> FrankAm Dienstag, den 12.07.2016, 04:25 -0500 schrieb David Gossage:
> >
> > On Tue, Jul 12, 2016 at 4:06 AM, Frank Rothenstein <f.rothenstein at bod
> > den-kliniken.de> wrote:
> > > Hi all,
> > >
> > > I am stuck with a strange problem using ovirt/gluster on
> > > ZFSonLinux.
> > >
> > > I detached a data-volume form my Cluster an reimported it to change
> > > from POSIX-type/glusterfs to GlusterFS-Storage. When I try to
> > > attach it
> > > to the Cluster I always get a Sanlock error. I checked the logs and
> > > what I found were some "operation not permitted"
> > > errors in the brick logs:
> > >
> > > [2016-07-08 09:19:24.542046] E [MSGID: 113040] [posix-
> > > helpers.c:1684:__posix_fd_ctx_get] 0-datadom-posix: Failed to get
> > > anonymous real_path:
> > > /tank2/datadom/brick1/br/.glusterfs/c1/43/c1433bab-cd72-4395-ac62-
> > > b278670c333a _fd = -1 [No such file or directory]
> > > [2016-07-08 09:19:24.542103] W [MSGID: 113006]
> > > [posix.c:3010:posix_readv] 0-datadom-posix: pfd is NULL from
> > > fd=0x7f15f0003b48 [Operation not permitted]
> > > [2016-07-08 09:19:24.542142] E [MSGID: 115068] [server-rpc-
> > > fops.c:1486:server_readv_cbk] 0-datadom-server: 4836: READV -2
> > > (c1433bab-cd72-4395-ac62-b278670c333a) ==> (Operation not
> > > permitted)
> > > [Operation not permitted]
> > >
> > > Anyone ever expierienced such problem?
> > >
> > > In fact I am able to create/change/delete files in the brick path
> > > itself and the mount points (NFS/Fuse).
> > > Ovirt itself seems to test the volumes with /usr/bin/dd, but uses
> > > iflag=direct. Using this parameter I'm also unable to create any
> > > file -
> > > is there any gluster-option that changed recently? Or is it ZFS,
> > > that
> > > introduced something that blocks now?
> >
> > What version of Gluster are you on?
> >
> > My errors aren't quite the same as yours, but I have a similar setup
> >
> > Ovirt 3.6.6/Gluster3.7.11 on ZFSonLinux
> >
> > Updating from 3.7.11 -> 12 or 13 this last weekend I had these issues
> > pop up for me which while not exactly the same did result
> > in [Operation not permitted]
> >
> > [2016-07-09 15:27:46.935694] I [fuse-bridge.c:4083:fuse_init] 0-
> > glusterfs-fuse: FUSE inited with protocol versions: glusterfs 7.22
> > kernel 7.22
> > [2016-07-09 15:27:49.555466] W [MSGID: 114031] [client-rpc-
> > fops.c:3050:client3_3_readv_cbk] 0-GLUSTER1-client-1: remote
> > operation failed [Operation not permitted]
> > [2016-07-09 15:27:49.556574] W [MSGID: 114031] [client-rpc-
> > fops.c:3050:client3_3_readv_cbk] 0-GLUSTER1-client-0: remote
> > operation failed [Operation not permitted]
> > [2016-07-09 15:27:49.556659] W [fuse-bridge.c:2227:fuse_readv_cbk] 0-
> > glusterfs-fuse: 80: READ => -1 gfid=deb61291-5176-4b81-8315-
> > 3f1cf8e3534d fd=0x7f5224002f68 (Operation not permitted)
> > [2016-07-09 15:27:59.612477] W [MSGID: 114031] [client-rpc-
> > fops.c:3050:client3_3_readv_cbk] 0-GLUSTER1-client-1: remote
> > operation failed [Operation not permitted]
> > [2016-07-09 15:27:59.613700] W [MSGID: 114031] [client-rpc-
> > fops.c:3050:client3_3_readv_cbk] 0-GLUSTER1-client-0: remote
> > operation failed [Operation not permitted]
> > [2016-07-09 15:27:59.613781] W [fuse-bridge.c:2227:fuse_readv_cbk] 0-
> > glusterfs-fuse: 168: READ => -1 gfid=deb61291-5176-4b81-8315-
> > 3f1cf8e3534d fd=0x7f5224002f68 (Operation not permitted)
> >
> > Another gluster user suggested that in 3.7.12/13 aio support was
> > disabled and I may need to change disk caching method.  So far I have
> > just stayed at 3.7.11 until I have time to get a better test setup.
> >
> > > Thanks in advance, Frank
> > >
> > >
> > >
> > >
> > >
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> BODDEN-KLINIKEN Ribnitz-Damgarten GmbH
> Sandhufe 2
> 18311 Ribnitz-Damgarten
>
> Telefon: 03821-700-0
> Fax:       03821-700-240
>
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>
> Sitz: Ribnitz-Damgarten, Amtsgericht: Stralsund, HRB 2919, Steuer-Nr.:
> 079/133/40188
> Aufsichtsratsvorsitzende: Carmen Schröter, Geschäftsführer: Dr. Falko
> Milski
>
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> Adressaten bestimmt. Wenn Sie nicht der vorge-
> sehene Adressat dieser E-Mail oder dessen Vertreter sein sollten, beachten
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