Amanda-Users

RE: Newbie questions - Amanda and tapechanger

2004-10-11 08:24:20
Subject: RE: Newbie questions - Amanda and tapechanger
From: "Lauro, John" <jlauro AT umflint DOT edu>
To: <bwkstuttgart AT yahoo DOT de>, <amanda-users AT amanda DOT org>
Date: Mon, 11 Oct 2004 08:16:09 -0400
> -----Original Message-----
> Server A - Solaris 8 - Disklist:
> /dev/md/dsk/d1 always-full # 67M
> /dev/md/dsk/d4 always-full # 126M
> /dev/md/dsk/d5 always-full # 2.8G
> /dev/md/dsk/d6 always-full # 12.5G
> /dev/md/dsk/d7 always-full # 76G
> 
> 
> Server B - Solaris 8 - Disklist:
> /dev/md/dsk/d1 always-full # 67M
> /dev/md/dsk/d4 always-full # 325M
> /dev/md/dsk/d6 always-full # 6.5G
> /dev/md/dsk/d7 always-full # 9.5G
> 
> 
> Server C - RedHat 9 - Disklist:
> /dev/sda5      always-full     # 1.5G
> /dev/sda6      always-full     # 224M
> /dev/sda8      always-full     # 355M
> 
> 
> Server D - RedHat 9 - Disklist:
> /dev/sdb6       always-full     # 2.1G
> /dev/sda5       always-full     # 376M
> /dev/sda6       always-full     # 3.2G
> /dev/sda7       always-full     # 1.6G
> /dev/sda8       always-full     # 28G
> /dev/sda9       always-full     # 76G
> /dev/sda10      always-full     # 3.6G
> 
> If one DLE is bigger than the total capactiy of one tape 
> (100G) - is Amanda able to switch to a new tape during 
> backing up this DLE??

If one DLE causes the tape to exceed it's capacity, then amanda will
restart the DLE on the next tape.  Your biggest DLE is 76GB, so it
will fit on one tape.

 
> If one of the above questions answered with "NO" - whats 
> best? Creating FOUR configurations - one for each server - or what??
> 
You already have it split into 19 DLEs, with the bigggest 76G.
Personally, I would split the larger volumes into multiple gnutar DLEs
(if possible).  (limitting each DLE to 10% of tape size after
compression would be good size to aim for if you know your jobs are
going to take multiple tapes).



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