Re: can't mksysb to my 8mm tape

bennett.tony_at_cnf.com
Date: 02/25/05 

Date: 25 Feb 2005 10:30:26 -0800

gprimerib wrote:
> I just cleaned it a couple of times. I know it has been awhile since
> the last cleaning. New 8mm tape and cleaning cart too.
>
> I did find this on IBM's site regarding the err code:
> 48
> Cannot write to the tape drive or cannot read /dev/blv. This is
> probably caused by an incorrect density setting for the tape drive.
It
> could also be caused by either a hardware problem with the tape drive
> or by dirty heads on the drive.
>
> It's not dirty heads, so I'm not sure what the "density setting"
should
> be.
>
> Doh

We've seen in the past that the block size could be in error...

Run "lsattr -E -l rmt0" (replacing rmt0 as appropriate)
to confirm that your block size is 1024...
...if not, use "chdev -l rmt0 -a block_size=1024" to correct it.

-tony

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