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Re: Setting volume size for dump

"Jens B. Jorgensen" <jjorgens@bdsinc.com> writes:

> Claus-Justus Heine wrote:
> > 
> > > > Aren't these marks simply "file marks"? (just asking, I know that
> > > > there are thos MTFSS/BSS/WSM tape operations, are these effectively
> > > > different from the MTFSF/BSF/WEOF operations?)
> > >
> > > Yeah, it's a different beast. Trust, me, I can tell mt to find a mark
> > > and it'll
> > > skip over all kinds of file marks.
> > 
> > So does this mean that "SETMARKS" are kind of "second level" file
> > marks? I'm just curious what these things are. There is no real need
> > for me to know it, I'm just curious.
> > 
> I'm not sure how they're physically done. I didn't even know of them
> until I started I started writing my backup script. I just saw this
> from the mt man page on our HPUX box:
>            smk       Write count setmarks (DDS drives only).
>            fss       Forward space count setmarks (DDS drives only).
>            bss       Backward space count setmarks (DDS drives only).

Mmmh. This suggests that these are just anotehr kind of file marks?

	weof	Write count file marks

	fsf	Forward space count file marks

	bsf	Backward space count file marks

Mmh ???

Again. I'm just curious.



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