Large backup considerations

From: Alex Serebryakov (valerich_at_gmail.com)
Date: 07/29/04

  • Next message: Rich Bonfoey: "quota and OSX10" 
    Date: Thu, 29 Jul 2004 20:49:18 +0400
To: sunmanagers@sunmanagers.org

    Hi everyone.

    Excuse me if this question is not directly related to Sun systems, but
    I think people here can give me some hints on backup setup.
    The general problem I'm looking at is how to organize tape pools for
    our backups to avoid tape fragmentation thus making recovery as fast
    as possible.

    Some words about our site.
    We are setting up a Qentralized backup using Legato Networker and
    PowerVault 136T tape library (6 LTO-2 drives) for relatively large
    site, 100+ hosts with 3+Tb of total storage. Backup server is atached
    to the gigabit Ethernet LAN so there is no network bottlenecks.

    My current idea is to...
    - use one shared tape pool for all client boxes with have less than
    10Gb of used storage. Because relatively small amount of data per
    client, tape fragmentation will not slow down recovery significialy.
    - use dedicated tape pool for every host with more than 200Gb of used storage.
    - group everything else somehow and use one shared tape pool for every
    group of hosts.

    So, the questions are:
    do I facing troubles with such setup? Is there better way?
    Any hints, URLs, real life examples are welcome. 

    --
Alex Serebryakov
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