Networker

[Networker] AlphaStor: How many device slots will Legato use for shared drive?

2005-01-25 03:50:54
Subject: [Networker] AlphaStor: How many device slots will Legato use for shared drive?
From: "T. S. Kimball" <tkimball AT BRASS DOT COM>
To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
Date: Tue, 25 Jan 2005 03:43:33 -0500
We're getting ready to setup our first shared (Fibre) drives in
Networker 7.1.2 for Solaris (aka Sun EBS).  But I'm running across a
possible AlphaStor snag which I do not see answered before.  Given my
previous experience with Legato on AlphaStor, I'd like to check here
before calling them.

We already have a mixed media solution for all direct-attatched
devices, over the Server and two Storage Nodes, so AlphaStor is in
use.  And we have several Adv_file devices we'd like to setup as well.

Our starting config will be to replace one of our old DLT-7000 drives
with an LTO-2 FC-AL drive - for testing purposes - and share it
between the Server and SN1 (SN2 is set aside for a specialized,
dedicated solution).

But since AS is doing the drive sharing, how many devices in Networker
will this drive use?  Since this is a Logical drive in Networker, will
it count as one device total or two?  Is there a special config for
this in Networker?

I have conerns since we'll eventually replace four DLT drives to
shared LTO-2, and if device slots are avail we'll look into sharing
the remaining DLT as well using a converter/SCSI router.

But I'd like to stay within the 48 total device limit, including 16 in
use for 8 planned adv_file devices.

Library is an L700 (Diff-SCSI to server), 7 DLT-7000 direct on server
(Diff-SCSI), 3 LTO-2 direct to SN2 (LVD-SCSI).  AlphaStor is running
on SN1.  The Adv_file devices will reside on server and SN1, direct
fibre-attatched (dual link, Veritas DMP).


Thanks in Advance,
--TSK

=====                                                         =====
Timothy S. Kimball      Tel/Cell:201.725-8426      Fax:201.239-5780
System Administrator, 3rd/Night Shift            tkimball AT brass DOT com
=====              #include <std_disclaimers.h>               =====




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