Networker

[Networker] tuning in LTO 4 tape library

2009-01-19 00:37:16
Subject: [Networker] tuning in LTO 4 tape library
From: kurianv <networker-forum AT BACKUPCENTRAL DOT COM>
To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
Date: Mon, 19 Jan 2009 00:36:17 -0500
hi,
I just replaced my sdlt library with a Quantum iscalar 500 tape library with 
LTO 4 tape drives. After configuration wat i could see is that i am able to 
backup with the same speed i got with sdlt usually. For backing up around 560 
gb of data it takes 12 hours in two tapes paralely. I would like to fine tune 
the current configuration so that it can finish a little more earlier. 

Another point is that if it used 2 tapes it ended up in filling only 1/4 of the 
2 tapes, utlimately for which simply 2 tapes are wasted. Is it possible to run 
the backup it into 1 tape and also finishing it early. I have set the 
parameters for parallelism as 4. is there any problems ? Kindly suggest what i 
can do with this ?

If you are asking my network speed, its equipped with 2 Gbps connection and the 
tape drives also the same. I know network speed is something seriously to be 
considered, but what iam expecting from a new backup tape library is that , i 
also want some improvements in speed too ..

any1 any suggestions ? kindly help me ..

rgds,
kv

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