thanks for the utility lets see if it works for me. :)<div><br></div><div>Thank you,<br><br><div class="gmail_quote">On Wed, Sep 28, 2011 at 8:12 PM, <a href="mailto:obj@jltechinc.com">obj@jltechinc.com</a> <span dir="ltr"><<a href="mailto:obj@jltechinc.com">obj@jltechinc.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
<div bgcolor="#FFFFFF" text="#3333FF">
<font face="monospace" size="+1">I concur, we use the </font><font face="monospace">high-performance, enterprise-grade, </font><font size="+1"><font face="monospace">openSource <b>BackupPC</b> with
data-deduplication.<br>
<br>
<a href="http://backuppc.sourceforge.net/" target="_blank">http://backuppc.sourceforge.net/</a><br>
<br>
-Jeremiah<br>
</font></font><br>
Stefan Sänger said the following on 09/28/2011 11:05 AM:
<div><div></div><div class="h5"><blockquote type="cite">Hi
Muhammad,
<br>
<br>
so I see that your case is a bit more production related and
harder to judge. Have you considered other backup solutions?
<br>
<br>
Because I'm not sure if proxmox VM backup is the right choice for
your problem. Basically all it provides is a disk image, and if
you don't take care of backing up these images all that you have
left when you
<br>
run into problems with your VM is the disk image of the last
backup run.
<br>
<br>
It is definitely not the best choice for a reliable backup - if
you run a database and just perform snapshots, you may not be able
to restore tha latest database status.
<br>
<br>
I prefer to look deeper into this and choose a real backup
solution
<br>
to cope with this. That even gives me the possibility to do
incremental backups with regular full backups and weekly kvm disk
images.
<br>
<br>
But of course all that depends on what you are running inside the
VM.
<br>
<br>
<br>
Stefan
<br>
<br>
On 28.09.2011 16:10, Muhammad Yousuf Khan wrote:
<br>
<blockquote type="cite">
<br>
Thank for the info.well some time backup got failed while
copying to the
<br>
network folder. i have asked this question previously, people
have their
<br>
own perception some say it is because you have 100mbps LAN card
so i
<br>
changed it to 1gb and now still having the same problem. so i
taught if
<br>
i can manage to minimize some process burden during backup that
would be
<br>
fine i can bear 1 or 2 hours down time for a single VM at night
when no
<br>
one is in office. so that was the reason i asked thus i could
minimize
<br>
the failure ratio of backup. i am backing up single VM every
week and
<br>
this is a 4th time that it couldnt copy. therefore i was kinda
<br>
troubleshooting also .
<br>
<br>
Thank you,
<br>
<br>
<br>
On Wed, Sep 28, 2011 at 5:33 PM, Stefan Sänger
<<a href="mailto:stsaenger@googlemail.com" target="_blank">stsaenger@googlemail.com</a>
<br>
<a href="mailto:stsaenger@googlemail.com" target="_blank"><mailto:stsaenger@googlemail.com></a>> wrote:
<br>
<br>
On 28.09.2011 14:16, Muhammad Yousuf Khan wrote:
<br>
<br>
still not an answer to my question. i already read this
<br>
information on
<br>
wikki. but i wanted to know which one is more faster and
low
<br>
resource
<br>
intensive.
<br>
<br>
<br>
Well - there is no general answer to that question, because
you have
<br>
to consider this with different aspects in mind.
<br>
<br>
So, if you compare these different backup scenarios,
obviously
<br>
- snapshot is fastest concerning downtime of your VM, as
there is
<br>
virtually no downtime - but it will need the most
resources since the
<br>
VM itself is running as well as the backup process.
<br>
- suspend and stop need significantly less resources since
during
<br>
backup only the bakup task is running
<br>
- stop will need more time than suspend since the VM is
shutdown before
<br>
performing the backup and afterwards has to boot up again
<br>
- suspend will need little more resources since the VM is
not shut down
<br>
and hence its status has to be kept in memory during
backup
<br>
<br>
But - these conclusions are fairly simple. I really wonder
why you
<br>
ask these questions, are you going to start a de3tailed
discussion
<br>
on backing up VMs?
<br>
<br>
<br>
Stefan
<br>
<br>
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