Ankush Grover wrote:
Hi Friends,
I am currently using Samba on Centos 4.4 as a domain member of AD 2003 with
each user having a quota of 2GB(no of users is around 2,000). Now
the management wants to increase the quota to 10GB with this there will be
more than 20TB of data to be backup weekly which will take lots of hours.
Currently Veritas backup software is used to backup data on tapes. There is
a concept of snapshots of Samba with LVM where snapshots of samba are taken
at the given interval but so far haven't found any good article or how-to on
that and also what is the experience of users using this technology and also
what other technologies are being to handle TBs of data.
The plan is like this
Samba Server with ShadowCopy Enabled + DAS (Direct Attached Storage)
http://www.wlug.org.nz/SambaShadowCopyHowto
Kindly let me know if you need any further inputs
Thanks & Regards
My understanding of the samba ShadowCopy stuff is that it doesn't
actually take snapshots itself, you need something else to take the
snapshots and once they exist the Samba/ShadowCopy stuff will let the
users connect to the server with the standard windows ShadowCopy client
to browse the snapshots. While this might be neat, I don't see how it
would help you get your data onto tape any quicker or easier.
We have something setup here (on a smaller scale) that might be useful.
Our main file server rsync's with our backup server every hour (using
hardlinks to keep snapshots). Since relatively little data changes
between each sync, it is fairly fast (approx 5 minutes with no noticable
slowdown for the clients) the backup server can then take as long as it
likes to write to tape/etc without affecting the main server.
*Michael Heydon - IT Administrator *
[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>
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