On Tue, 25 May 2004 00:53:26 +0200, Joachim Dagerot wrote:
> The man page for dump states this:
> [....]
>  -B records
> The number of kilobytes per output volume, except that if it is not an
> integer multiple of the output block size, the command uses the next
> smaller such multiple.  This option overrides the calculation of tape
> size based on length and density.
> [....]
> So I thougth this line should create a bunch of 35mb files. But it did
> not. Any thouts on this?
>>dump -0 -L -a -B 35000 -f /HEMMET2/External_HD/freebsd_usr.dump 
> /dev/ad0s1f

It also states:
     -a      ``auto-size''.  Bypass all tape length considerations, and
             enforce writing until an end-of-media indication is returned.
             This fits best for most modern tape drives.  Use of this option
             is particularly recommended when appending to an existing tape,
             or using a tape drive with hardware compression (where you can
             never be sure about the compression ratio).

So I'd try without the -a ;)


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