Hi,
I am just finishing building the Gluster cluster on 3 x Dell 990s running
centos7 Gluster 3.8.4. The bacula server will be a 4th Dell 990 with a
5TB USB3 disk out the back. It has no OS on it yet but as I'd like to run
FreeIPA 4.0 on it my preference would be Centos 7 but I can virtualise that
function instead if Debian or Ubuntu would be better for Bacula.
ie the ultimate reason for the gluster cluster is to back 3x VM hosts, I
dont have that hardware yet though.
On 14 October 2016 at 00:54, Josh Fisher <jfis...@pvct.com> wrote:
>
> On 10/12/2016 11:15 PM, Thing wrote:
> > Hi,
> >
> > Has anyone done this? I have a small 3 node 1TB gluster setup I'd
> > like to make up to an external USB3 disk using bacula so I can take
> > the disk offsite. What I dont want to do however is impact the
> > gluster performance if I can so I am wondering how best to get the
> > data off and onto the external USB3 disk.
> >
> > Can I do this directly? ie have a fd on one gluster node? it seems
> > awfully hard to find anyone how has done this and if there would be
> > problems.
>
> Yes. You can mount the gluster on the host running bacula-sd, (where the
> USB3 drive is attached), and backup directly.
>
> >
> > Or alternatively, I am wondering maybe stream the data off gluster to
> > a "new' disk in the bacula server via nfs with rsync and then have
> > bacula back that "new" disk up to the external USB3 disk?
>
> Either way, the entire gluster, of necessity, must be read, so
> performance will be impacted. The pre-copy is not necessary. Bacula has
> built-in spooling to disk that can be enabled. The spooling essentially
> does the same stream-to-disk, but via Bacula's client-server socket i/o,
> rather than NFS. Whether or not spooling would be helpful is hard to
> say. It depends on many things, including network throughput, USB3 drive
> sequential write performance, etc.
>
>
>
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