Re: [Networker] Cleaning tape
2009-05-12 05:54:26
On 12/05/2009, at 16:39 , Catalin Scarlet wrote:
Hi,
Why you don't set up the cleaning on the library and let the library
to clean the drive when is necessary?
Be aware that IBM LTO3-4 drives require more cleaning than previous.
It's one of those 50-50 decisions, normally.
Talk to some hardware engineers at tape drive vendors, and they 100%
insist that you should let tape cleaning be done solely by the tape
library, only when the drive requests it.
Talk to other hardware engineers at the same vendors and they 100%
insist that you should run cleaning every X weeks, regardless of
whether the drive indicates it needs it or not.
These days NetWorker is certainly better at working with library-
controlled cleaning. It used to get into quite a bit of a snit if it
went to do something with a drive and found cleaning was in progress -
now it just reports that cleaning is in progress and tries again.
Ultimately it comes down to the air quality of the environment and
usage. I've configured sites where cleaning was literally required
every week due to excessive amounts of coal dust in the computer room.
I've equally worked with sites where cleaning cartridges have been
used at most once every 6 months.
These days it really does come down to a personal preference on-site.
Cheers,
Preston.
--
Preston de Guise
"Enterprise Systems Backup and Recovery: A Corporate Insurance Policy":
http://www.amazon.com/Enterprise-Systems-Backup-Recovery-Corporate/dp/1420076396
http://www.enterprisesystemsbackup.com
NetWorker blog: http://nsrd.wordpress.com
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