[PVE-User] Several issues with gluster as storage.

Leslie-Alexandre DENIS infoslad at gmail.com
Wed Dec 11 15:55:46 CET 2013


What kind of topology do you have between your replicas ? Maybe you have 
a congestion between them which results as a timeout on file creation.

While on the topic I would love to know where is the mounting command of 
glusterfs into PVE architecture ?
It can be very useful to tweak the mounting options like relatime or 
atime to increase performance.


Le 11/12/2013 15:13, Angel Docampo a écrit :
> Hi there,
> I'm having several problems with using gluster as a storage. I'm using a gluster replica 2 between two buildings, the connection is 10Gb.
> I can access gluster and write so far so good. But when using proxmox the problems arise...
> I cannot upload iso files (I think I've readed on the forum that its a bug) and in fact it's a minor issue.
> The problem comes when I want to create a VM. It takes a long time (I guess depending the hard disk size) and if I try to access via ssh when it is trying to create the VM, when I cd to the glusterfs mountpoint it seems to be stalled (I cannot do a double-tab for autocomplete the name, for instance).
> After a while, the GUI shows,
> TASK ERROR: create failed - unable to create image: got lock timeout - aborting command
> I can create the VM on a local storage (I didn't try a NFS share, iSCSI or another network destination) flawlessly, and then move the disk to the gluster storage without problems.
> I can even mount via FUSE the gluster and the I CAN create the VM on it (but it is considered then a local storage and I cannot do a live migration, etc).
> So, there is any problem with replicas? I tried on a distributed-only gluster on the lab and it worked perfect, but on my client's house I'm facing this...
> Any idea?
> I can post any log if you want, but I would also know your experience with this scenario. I have quite experience with gluster, so I'm pretty sure that this gluster is working as it should.
> Thank you everyone,
> Angel Docampo
> Datalab Tecnologia, s.a.
> Castillejos, 352 - 08025 Barcelona
> Tel. 93.476.69.10 - 6711
> Nota Legal<http://www.dltec.net/notalegal.html>
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