We migrated from an L700/ACSLS/LTO3 to TS3500/TS1120.  Since that
migration, we have been able to stop troubleshooting library/server/tape
issues and focus on client issues.  The TS3500/TS1120 combination (with
encryption) just plain works.


Cheers,
Neil Strand
Storage Engineer - Legg Mason
Baltimore, MD.
(410) 580-7491
Whatever you can do or believe you can, begin it.
Boldness has genius, power and magic.


-----Original Message-----
From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU] On Behalf Of
Mcnutt, Larry E.
Sent: Thursday, February 14, 2008 11:35 AM
To: ADSM-L AT VM.MARIST DOT EDU
Subject: Re: [ADSM-L] TSM dream setup

Charles,
You're statement about the SL8500 make me nervous.  We are planning to
move to a configuration where we are sharing the SL8500 with our
mainframe. We will use ACSLS with a library manager and 3 clients, 16
LTO3 drives.
Are you having TSM issues? Or ACSLS?
Larry McNutt

-----Original Message-----
From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU] On Behalf Of
Hart, Charles A
Sent: Thursday, February 14, 2008 10:45 AM
To: ADSM-L AT VM.MARIST DOT EDU
Subject: Re: TSM dream setup

I miss my old 3494 12 Frame HA Lib with 3592 FC Tape drives, It never
skipped a beat even during and HA Failover, in 2 years only one Service
call on a 3592 Drive for a Slow Fan... Never lost its inventory like our
current 3584..... And 2 very confused fully loaded with Pass-through
enabled STK SL8500's (LTO3 Drives)

Curious do folk out there using STK SL8500's using ACSLS in a TSM
Library Manager / Client sharing Config have issues with their STK
mounting tapes.  We are having a heck of a time with ....

TSM Version 5.4.1.2 / AIX 5.3 128 LTO3 Drives

Date/Time                Message

--------------------
----------------------------------------------------------
02/10/08   22:30:41      ANR8855E ACSAPI(acs_mount) response with
unsuccessful
                          status, status=STATUS_IPC_FAILURE. (SESSION:
1731896)
02/11/08   00:02:05      ANR8855E ACSAPI(acs_mount) response with
unsuccessful
                          status, status=STATUS_VOLUME_IN_USE. (SESSION:
1732757)

We've tried various AcsTimeoutx Parms from 1-10, we alos have turned off
SanDiscovery




-----Original Message-----
From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU] On Behalf Of
Richard Sims
Sent: Wednesday, February 13, 2008 8:00 PM
To: ADSM-L AT VM.MARIST DOT EDU
Subject: Re: [ADSM-L] TSM dream setup

On Feb 13, 2008, at 3:33 PM, Wanda Prather wrote:

> OTOH, the LTO4 drives will require a new library.  The TS3500 library
> is my favorite library out there; it is even more durable than the
> 3494, MUCH faster, and a cleaner interface than the 3494 (no category
> codes to deal with).

In considering libraries, keep very much in mind the distinction in
types, and relative advantages.  The 3494 concept is very clean: it
contains a library manager and database, where the host needs only ask
it for a tape mount, and not be concerned about keeping track of tapes.
The 3584 and similar libraries (of the "SCSI library" legacy
name) shift the burden of control to some host program, which has to
deal with micro-managing all the volumes, cells, and drives, with a
plethora of element numbers.  Hopefully, all of these library types will
evolve toward some middle ground which combines all the advantages, but
allow differing cartridge types.

    Richard Sims


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