[Veritas-bu] Maximum mounts for an LTO-1 tape

Cornely, David David_Cornely at intuit.com
Thu Mar 24 17:28:47 CST 2005


I agree, those numbers don't make any sense.  A quick google search turned
up this doc:
http://www.fujifilm.com/JSP/fuji/epartners/tds/pdf/LTO_Ultrium_Drive_Data_QA
.pdf
which quotes 25,000 mounts without problems.

-----Original Message-----
From: veritas-bu-admin at mailman.eng.auburn.edu
[mailto:veritas-bu-admin at mailman.eng.auburn.edu] On Behalf Of Wayne T Smith
Sent: Thursday, March 24, 2005 3:15 PM
To: veritas-bu at mailman.eng.auburn.edu
Subject: Re: [Veritas-bu] Maximum mounts for an LTO-1 tape

Bull.  The drives will wear out before the tapes will. 

The tapes are equally good at 10, 100, or 1000 mounts in my brief 4 year 
experience with LTO1.  We have a few hundred tapes mounted on 4 or 5 
drives 24x7.

cheers, wayne

Anthony Guzzi wrote, in part,  on 3/24/2005 5:27 PM:

>I've had a manager tell me that we should be discarding our LTO-1 media
after
>10 or so mounts.  He mentioned that anything over 20 is asking for trouble.
He
>said he bases this on prior experience.  I've done some searching for what
>could be described as a 'best practice' regarding the expiring LTO media
and
>haven't come up with anything definitive.  I'm courious what others are
doing. 
>As for me, I've got tapes with anywhere from a dozen mounts to over a
hundred. 
>I don't get write errors when I do backups. I don't get read errors when I
>duplicate images or perform restores.  10 to 20 mounts seems a bit low.
I'd be
>interested in hearing what limits others set before discarding an LTO tape.
Thanks.
>
>
>		
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