ADSM-L

Re: [ADSM-L] TSM write_errors on LTO3 tapes

2009-11-16 15:06:44
Subject: Re: [ADSM-L] TSM write_errors on LTO3 tapes
From: "Schneider, Jim" <jschneider AT USSCO DOT COM>
To: ADSM-L AT VM.MARIST DOT EDU
Date: Mon, 16 Nov 2009 14:05:41 -0600
We had gripper errors, reported as media write errors.

Jim Schneider

-----Original Message-----
From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU] On Behalf Of
Huebschman, George J.
Sent: Monday, November 16, 2009 10:53 AM
To: ADSM-L AT VM.MARIST DOT EDU
Subject: Re: [ADSM-L] TSM write_errors on LTO3 tapes

Are the errors all on the same drive?
Are drives being cleaned automatically?
Check to see if any drive cleaning messages were issued just after the
write errors on the drives.
I know the system is only 6 months old, but is the firmware and
microcode all up to date?

George Huebschman
Legg Mason

-----Original Message-----
From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU] On Behalf Of
Nicholas Rodolfich
Sent: Monday, November 16, 2009 11:47 AM
To: ADSM-L AT VM.MARIST DOT EDU
Subject: [ADSM-L] TSM write_errors on LTO3 tapes

Hello All,

Thanks for sharing your knowledge!! It is appreciated!


I have a client with a TS3200 less than 6 months old. They received a
media attention  indicators on their library last week. On investigation
I found
2 volumes with write_errors. I moved the data off of them and retired
them.
The tapes were purchased when the library was implemented so they are
relatively new as well. I manually cleaned the drives with the on board
cleaning cartridge. Now today I see 6 more volume marked bad by the
library interface and they too have write_errors in TSM. I guess I
wonder

Why this started all at once?
Qhat the ramifications(other than the obvious ones) of these write/read
errors are?
When/how are these generated and when should action be taken?


Regards,

Nicholas

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