[linux] Re: T20

[Ján Beňadik]

"Ing.Tomas RETT" wrote:

> Borek Lupomesky wrote:
> >
> >    Pres mt muzete mit na pasce vice archivu a cist libovolny z nich.
> >
>
> Muzete napsat, jak se to dela, mne to taky nejde ?
>
> --
> Ing. Tomas Rett  mailto:rett na chmi.cz  Home: http://www.chmi.cz

Neskusal som to v Linuxe, ale v inych Unixoch to bolo nasledovne :

   mt [ -f tapename ] command [ count ]

kde command moze byt :

       eof, weof    Write count EOF marks at the current position on the
                    tape.

       fsf          Forward space count files.

       fsr          Forward space count records.

       bsf          Back space count files.

       bsr          Back space count records.

       rewind       Rewind the tape.

Bezne som pouzival prikaz :
mt -f /dev/rmt/0 fsf 2

tento prikaz presunul pasku o dva "baliky" tar.

Rovnako sa dalo opakovane pouzit prikaz

tar tvf /dev/rmt/0n

ktory zakazdym presunul pasku o cely balik a ostal stat na mieste. V
systeme ale muselo existovat zariadenie /dev/rmt/0n. U AIX je to trochu
inak, tam je pre dane zariadenie ine cislo ( napr. zapis na /dev/rmt1
zapise na pasku a previnie ju na zaciatok, zapis na /dev/rmt2 zapise na tu
istu mechaniku a ostane stat na mieste ).

beno



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Ing. Jan Benadik
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