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

[Angel Docampo]

Hello, 

There is no special topology between the nodes, it's a 10Gb dedicated segment only for that purpose.

To mount glusterfs into PVE you can follow this tutorial
http://www.jamescoyle.net/how-to/533-glusterfs-storage-mount-in-proxmox

That is the proxmox way, and it's supposed to not to use FUSE, but to use the gluster translator (correct me if I'm wrong) and therefore no mount options are needed.

Regards, 


Angel Docampo
Datalab Tecnologia, s.a.
Castillejos, 352 - 08025 Barcelona
Tel. 93.476.69.10 - 6711

________________________________________
De: pve-user-bounces at pve.proxmox.com en nombre de Leslie-Alexandre DENIS
Enviado: miércoles, 11 de diciembre de 2013 15:55
Para: pve-user at pve.proxmox.com
Asunto: Re: [PVE-User] Several issues with gluster as storage.

Hello,

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.

Regards

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>
> _______________________________________________
> pve-user mailing list
> pve-user at pve.proxmox.com
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>

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