[PVE-User] efficient backup of VM on external storage.

Muhammad Yousuf Khan sirtcp at gmail.com
Sat Oct 5 12:21:22 CEST 2013


On Sat, Oct 5, 2013 at 2:07 PM, Fabrizio Cuseo <f.cuseo at panservice.it>wrote:

> Hello Muhammad.
> I am using Proxmox since one year with Ceph storage cluster; depending on
> the performances you have on your external storage, ceph could be little
> slower, but you have "embedded" real-time replica and linear scalability,
> so you can consider using it.
> Don't worry for setup... is really simple !
>
>
1. would you please share your hardware specs of Ceph storage cluster and
PVE Box and the connectivity of all boxes.

2. do you relay upon only replication. dont you take the backup of VM? if
yes then again would you please throw some light on your strategy in
reference to my question in first message.

3. Any recommended how to for ceph and PVE.

4. is your setup Ceph cluster is like DRBD active/passive with heart beat.
if one down second will auto up. with a second or 2 downtime?

Sorry for involving DRBD all the time since i have only worked on DRBD
clustering, only concept of mine in clustering starts and ends on
DRBD+heartbeat :) and as you also know that DRBD work little differently
and have some limitations too. so please dont mind.

Thanks,




> Regards, Fabrizio
>
>
>
> ----- Messaggio originale -----
> Da: "Muhammad Yousuf Khan" <sirtcp at gmail.com>
> A: pve-user at pve.proxmox.com
> Inviato: Sabato, 5 ottobre 2013 10:58:41
> Oggetto: [PVE-User] efficient backup of VM on external storage.
>
>
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> i have never worked on external storage just worked on drbd on local
> storage/system drives.
>
>
> Scenario is:
> for example. i have two external storage and 1 Proxmox Machine.
> i am using 1G NICs to connect all nodes
>
> the storage are connected to each other from another link but no
> replication done b/w storage boxes mean they are no failover to each other.
> and both the storage are connected to Proxmox. i am using primary storage
> to run 3 machines on NFS or iSCSI. note that machine are running on primary
> storage over a single 1G ethernet link/single point of failure.
>
>
>
> now lets say. i want VM1 backedup to secondary storage. however i dont
> want my backup traffic to effect my primary link where 3 machines are
> active.
>
>
> any suggestion to achieve that.
>
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> Thanks.
>
>
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> --
> ---
> Fabrizio Cuseo - mailto:f.cuseo at panservice.it
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>
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