ADSM-L

Re: [ADSM-L] Testing TSM 6.1 on a VMWARE partition

2009-08-25 12:13:21
Subject: Re: [ADSM-L] Testing TSM 6.1 on a VMWARE partition
From: Thomas Denier <Thomas.Denier AT JEFFERSONHOSPITAL DOT ORG>
To: ADSM-L AT VM.MARIST DOT EDU
Date: Tue, 25 Aug 2009 12:12:18 -0400
-----Adrian C. Pardo wrote: -----

>Do you think that is possible to install a TSM 6.1 in a VMware
>partition for testing purposes or there are any limitations.

Access to tape drives may be problematic.

Some people have reported successfully connecting SAN tape drives
to VMware guests, but others have reported attempting this feat
and failing. It is generally considered a bad idea to share an HBA
between tape and disk traffic. The VMware hosts at our site have
all of their HBA's already in use to provide redundant paths to
disk. I suspect that this is common practice at other sites. The
tape drives appear to the guests as SCSI devices, which would
compromise your ability to test the same code you intend to use
in production.

Some of the material I have read on attaching SAN tape drives to
guests includes comparisons with experiences attaching real SCSI
devices. These comparisons seem to imply that the process works
reliably. Attaching a real SCSI device to a guest will of course
require a SCSI interface on the host system. I suspect that such
interaces are rather rare on VMware hosts.

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