From: Robert Miller (rmiller@SMUD.ORG)
Date: Thu Apr 29 2004 - 14:30:11 EDT
Don't you usually set it to 1024 for 8mm drives, but 0 for DLT's?
--rm
-----Original Message-----
From: IBM AIX Discussion List [mailto:aix-l@Princeton.EDU]On Behalf Of
John Jolet
Sent: Thursday, April 29, 2004 10:52 AM
To: aix-l@Princeton.EDU
Subject: Re: Restoring file from MKSYSB (summary)
hmm, really? I've always specified block size of zero for my
makesysbs. Otherwise it's too slow.
Stamper, Steve wrote:
> Thanks for everyone's feedback. I tried everyone's suggestion (see
> snip below) and still ended up with the same results. I then started
> wondering if I had a bad tape so I did another MKSYSB; same results.
> I changed the block_size between 1024 and 512; same results. I then
> set the block_size to 0 (variable) and TADA!!! This goes against what
> I have learned about MKSYSB tapes so I guess I need to do some research.
>
> Thanks everyone for your help - Steve
>
> <snip_o_failures>
> # tctl -f /dev/rmt0 rewind
> # tctl -f /dev/rmt0.1 fsf 2
> # restore -Tvf /dev/rmt0.1
> Please mount volume 1 on /dev/rmt0.1.
> Press the Enter key to continue.
>
> restore: 0511-160 Cannot read the backup media
> /dev/rmt0.1: There is an input or output error.
>
> # tctl -f /dev/rmt0 rewind
> # restore -s4 -xvf /dev/rmt0.1 ./etc/motd
> Please mount volume 1 on /dev/rmt0.1.
> Press the Enter key to continue.
>
> restore: 0511-157 Cannot skip tape records.
> #
>
> # tctl -f /dev/rmt0 rewind
> # restore -s3 -xvf /dev/rmt0.1 ./etc/motd
> Please mount volume 1 on /dev/rmt0.1.
> Press the Enter key to continue.
>
> restore: 0511-160 Cannot read the backup media
> /dev/rmt0.1: There is an input or output error.
> #
>
> # tctl -f /dev/rmt0 rewind
> # restore -s2 -xvf /dev/rmt0.1 ./etc/motd
> Please mount volume 1 on /dev/rmt0.1.
> Press the Enter key to continue.
>
> restore: 0511-262 Read an unexpected end of file.
> #
>
> </snip_o_failures>
>
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