Networker

[Networker] Slow tape positioning on HP LTO 1

2003-10-21 02:55:35
Subject: [Networker] Slow tape positioning on HP LTO 1
From: Bob Payne <bob_payne AT FWUK.FWC DOT COM>
To: NETWORKER AT LISTMAIL.TEMPLE DOT EDU
Date: Tue, 21 Oct 2003 02:54:25 -0400
We also suffer slow tape positioning on recoveries....but not always! We've
had a call open with Legato for a year now. Our environment...Solaris 8
(kernel patch 108528-15....OK ,we're a little behind, st patch 108725-13),
Networker 6.1.2, HP LTO 1 drives in a STK L700e.
When it takes a while to position, I've noticed that the moving forward of
files is quick enough, but moving forward records takes the time and it
reports it in this way....moving forward 1917 records, moving forward 1440
records, moving forward 1071 records... and so on, the numbers gradually
getting smaller.
Snip from st.conf....
LTO_Ultrium = 1,0x3b,0,0x1d639,4,0x00,0x00,0x00,0x00,3;
Anybody any thoughts?
Bob

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