Networker

Re: [Networker] Confusing tape problem...

2010-10-13 14:48:14
Subject: Re: [Networker] Confusing tape problem...
From: "STANLEY R. HORWITZ" <stan AT TEMPLE DOT EDU>
To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
Date: Wed, 13 Oct 2010 14:47:58 -0400
Check the system log files on the server and any storage nodes for errors.

On Oct 13, 2010, at 9:39 AM, Francis Swasey wrote:

> I am having an issue with my tape system that I hope someone can help me get 
> some insight into.
> 
> Basically, tapes are failing to write the full amount.  However, when I stage 
> the contents from
> them to other tapes and test the tapes that failed, they never have a problem 
> writing the full
> tape.  Therefore, I have been assuming that this is a tape drive issue, but 
> it happened
> yesterday on 16 tapes in a row on a tape drive that I just replaced with a 
> brand new one last
> Friday.  So, now, I'm horribly confused about what could be causing random 
> drives to be able to
> verify the tape label but then fail to write beyond approximately 2GB on an 
> LTO4 tape
> cartridge.  I'm beginning to wonder if the fibre cables have "gone bad" but 
> this is so random
> and would mean that almost all of the cables have this same problem...
> 
> Anyone have suggestions on ways to identify the root cause?
> 
> -- 
> Frank Swasey                    | http://www.uvm.edu/~fcs
> Sr Systems Administrator        | Always remember: You are UNIQUE,
> University of Vermont           |    just like everyone else.
>  "I am not young enough to know everything." - Oscar Wilde (1854-1900)
> 
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