Re: [Networker] Tapes marked full prematurely
I have a Qualstar XLS with 14 IBM LTO4 drives and I had massive problems with
marked full prematurely.
After getting a lot of free tape drive replacements (covered under the
I finally was told that the way the LTO4 drives ask to be cleaned is a HUGE
problem. The LTO4
drive (at least IBM's... but I assume this is the generic LTO4 spec) will
realize it is dirty
and needs to be cleaned, but it will not raise the necessary TapeAlert back to
during the tape ejection process.
Now, if your tapes sit in the drive until they are full (which is the NetWorker
think you can see how a tape drive could be filthy for a LONG time and never
ask to be
cleaned. I have been forced to figure out how frequently my drives need to be
reduce (I have not eliminated) the issue. Some of my drives (that see lots of
tapes every day
of the week) have to be cleaned every 3 days. That tends to wear the drive out
in a little
over a year. So, you will definitely want to keep the maintenance agreement
current on your
On 6/8/12 7:50 AM, Ronald Benvenuto wrote:
> Hello All,
> I am running Networker 7.6.1 on a windows 2003 server and am backing up to a
> Dell ML6020 with 6 fiber channel LT04 drives. all of my backups that use two
> of the 6 drives will work just fine, the other four drives will start backups
> and mark the tape as full after as little as 40GB and as much as few hundred
> gb's but never to it's full native or compressed capacity, once it marks it
> full i cannot append to that tape again. The only way to use it is to
> re-label it.
> Has anyone else seen this problem before and know how to fix it ?
> thanks much,
> Ron Benvenuto
> Sr. System Administrator
> SRI International Sarnoff
> 201 Washington Road
> Princeton, New Jersey 08540
> Phone: 609-734-2401
Frank Swasey | http://www.uvm.edu/~fcs
Sr Systems Administrator | Always remember: You are UNIQUE,
University of Vermont | just like everyone else.
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