Joseph, Joel, out of curiosity, is there any chance are you using EXTERNAL
library types?
I know TSM will dismount an idle volume if it needs a mountpoint in 3494's
as Kent has pointed out. I think it may behave the same way with a SCSI
library type also.
In fact, on a hunch, I just now checked my TSM 3.7 Admin Guide, Appendix A,
External Media Management Interface Description. The valid return codes for
a Volume Mount Request are:
SUCCESS
DRIVE_ERROR
LIBRARY_ERROR
VOLUME_UNKNOWN
VOLUME_UNAVAILABLE
CANCELLED
TIMED_OUT
INTERNAL_ERROR
There is nothing that indicates waiting for a mount point. That could
account for idle volumes not being dismounted; TSM doesn't know that the
External Library Manager is waiting for a mount point.
Alex Paschal
Storage Administrator
Freightliner, LLC
(503) 745-6850 phone/vmail
-----Original Message-----
From: Kent J. Monthei [mailto:[EMAIL PROTECTED]]
Sent: Monday, February 05, 2001 5:20 PM
To: [EMAIL PROTECTED]
Subject: Re: tape mount retention behaviour
We also use ADSM 3.1.2.20 (for Solaris) with IBM 3494 Libraries and have
observed behavior consistent with that described by Joseph in the original
email
- an idle mount will be immediately dismounted if/when there is another
mount
pending and no other drive is available. However, we also recently dropped
the
mount retention from the default 60 minutes down to just 5 minutes.
Under what scenarios (or rationale) does it make sense to force tapes to
remain
mounted more than 5 minutes after a client backup session has completed?
-Kent M., GSK
[EMAIL PROTECTED] on 05-Feb-2001 19:57
Please respond to [EMAIL PROTECTED]
To: ADSM-L
cc: (bcc: Kent J Monthei/CIS/PHRD/SB_PLC)
Subject: Re: tape mount retention behaviour
I thought it always worked this way. At one time I was going to put in a
request to have two mount retention times. One for when there are no
pending request for a drive and the other for when there are pending
request.
On Mon, 5 Feb 2001, Joe Faracchio wrote:
> I recently upgraded from 3.1.2.20 to 3.7.2.0
> and notice a very annoying behaviour.
>
> The system keeps an idle tape mounted for the full retention period
> specified despite the pending mounts that are waiting.
>
> when / where will this be fixed???
>
> thanks ... joe.f.
>
> Joseph A Faracchio, Systems Programmer, UC Berkeley
>
