Re: Too many tape errors

[rob@xxxxxxxxx]

Sometimes, before retiring a tape, we'll clean the drive and do a INZTAP 
CLEAR(*YES).  Better allow several hours (maybe all day) for that to run. 
I forget how long it took on a 3570.  I've forwarded on your question on 
to Peggy to see what she remembers.

If it turns out to be a 3570 issue...
Had a BP accidentally send us a 3570 along with another tape drive we 
ordered.  Tying up space on our loading dock by the help desk.  I bet he'd 
sell it cheap to avoid shipping charges on the return.  And since you 
drive by every night on your way home from work...  I wonder if these 
things are getting to the point that it's cheaper to have a second than to 
pay a year's maintenance?  I used to do that on large printers.

Rob Berendt
-- 
Group Dekko Services, LLC
Dept 01.073
PO Box 2000
Dock 108
6928N 400E
Kendallville, IN 46755
http://www.dekko.com





daparnin@xxxxxxxxxxxxxx 
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05/18/2005 09:22 AM
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Subject
Too many tape errors










We do our nightly backup to a 3570 tape drive.  Friday night we had a 
media
error.  On Monday I did a PRTERRLOG TYPE(*VOLSTAT) VOLTYPE(3570) and got
the following for the tape:

Volume        --Temporary Error--   ----Perm Error-----   ------K
Bytes------
ID                Read      Write       Read      Write       Read
Written
160C65               0        102         23          4       5503
193791669

It appears that this tape should have been retired.  Last night we got a
media error on a different tape.  I did the PRTERRORLOG on it this morning
and got:

Volume        --Temporary Error--   ----Perm Error-----   ------K
Bytes------
ID                Read      Write       Read      Write       Read
Written
304748               0          1          0          0        240
194211057

This tape only had one error against it.  Is there a rule of thumb as to
when tapes should be trashed?  Is one error too many?  It is my
understanding that the drive is supposed to automatically clean itself
although I manually took the option to clean it a couple of weeks ago. Any
ideas?


Dave Parnin
Nishikawa Standard Company
Topeka, IN  46571
daparnin@xxxxxxxxxxxxxx

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