Networker

Re: [Networker] Linux, DLT8000 and stinit again...

2004-02-09 06:55:01
Subject: Re: [Networker] Linux, DLT8000 and stinit again...
From: Olaf Zaplinski <o.zaplinski AT BROADNET-MEDIASCAPE DOT DE>
To: NETWORKER AT LISTMAIL.TEMPLE DOT EDU
Date: Mon, 9 Feb 2004 12:55:14 +0100
Hi!

John Herlihy wrote:
> I'm no stinit.def whiz but you're specifying compression and then
> specifying the uncompressed density code of 88. Try changing the density
> setting to compressed: 0x89.

Hmm, what I actually want is to *disable* compression because this drive
(with compression on) is too fast for my 100 MBit network, so with
compression it is alwas going start-stop-start-stop, so the throughput is
rather low... can anyone tell me which density code I could use? Or is there
an environment variable that tells NW not to use hardware compression?

Unfortunately disabling compression is impossible.
stinit -v -r; mtst stat say:

SCSI 2 tape drive:
File number=0, block number=0, partition=0.
Tape block size 0 bytes. Density code 0x89 (DLT 40GB compressed).

Since Tandberg told me today that block size should be 64K always, I put
NSR_DEV_BLOCK_SIZE_DLT8000=64
in NW's init script.

Olaf

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