[pve-devel] backup

Gilberto Nunes gilberto.nunes32 at gmail.com
Sat Oct 18 23:23:27 CEST 2014


Oh Dear! Qnap! Pity of you!.... Qnap has only 128 MB of memory and low
hardware...
Here, I do backup locally, in an External HDD USB....
To one server, I saw here around 15-18 MB/s, but there's some ocasion that
I saw less than 10 MB/s....
Compare to other server, I saw 60-80 MB/s...

2014-10-18 13:27 GMT-03:00 Michael Rasmussen <mir at datanom.net>:

> On Sat, 18 Oct 2014 13:03:57 -0300
> Gilberto Nunes <gilberto.nunes32 at gmail.com> wrote:
>
> > Well...
> >
> > I have just one node here, because the other server doesn't arrive yet,
> but
> > I already create the cluster...
> > And my backup task are extremaly slow!
> > It a file about 23 GB, that take almost 5 hours.
> > Ok! I ran backup over LVM-on-top-iSCSI
> >
> > VMIDNAMESTATUSTIMESIZEFILENAME 103Windows2012OK04:53:4122.52GB
> > /BKPVMS/dump/vzdump-qemu-103-2014_10_17-18_30_02.vma.lzo TOTAL04:53:41
> > 22.52GB
> >
> >
> > On the other hand, this is another server , and a file with about 80 GB
> of
> > size, take almost 45 minutes!
> >
> >
> > VMIDNAMESTATUSTIMESIZEFILENAME 100Win2008OK00:44:5178.98GB
> > /STORAGE03/dump/vzdump-qemu-100-2014_10_17-23_00_02.vma.lzo TOTAL00:44:51
> > 78.98GB
> >
> This from my backup:
> 128        ok       00:29:26
> 17.08GB  /mnt/pve/qnap_nfs/dump/vzdump-qemu-128-2014_10_18-05_31_23.vma.lzo
>
> In generel I see backup speed around 25 MB/s on my relatively slow Qnap.
>
> One question: Do you make backup to the same storage as the VM's reside
> on?
>
> If this is the case then I would imagine that speed were halfed.
>
> --
> Hilsen/Regards
> Michael Rasmussen
>
> Get my public GnuPG keys:
> michael <at> rasmussen <dot> cc
> http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xD3C9A00E
> mir <at> datanom <dot> net
> http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xE501F51C
> mir <at> miras <dot> org
> http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xE3E80917
> --------------------------------------------------------------
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>         "Did you ever see a doctor?"
>         "No, just spots."
>
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-- 
--

Gilberto Ferreira
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