tarring from HP to SunOS

2007-12-25 11:18:00

Hi,

Original posting :-

> I'm trying to read back 2 tar files from DAT. The tape was written

> under HP-UX 10. I'm reading it back under SunOS 4.1.2. I have no

> problem reading the first file but I cannot get at the second file....

Many thanks for all the quick responses. Most advised using the "no-rewind"

device. I had already tried this but in the wrong context.

The crux of the problem was that we use third party drivers for the

DAT drive (historical reasons). The smt driver from Delta Microsystems

is not directly compatible with the SunOS st driver. It reads & writes

in fixed block lengths. To force it to read/write in variable block mode,

we use /dev/vrsmt0. Anyway, when I used the no-rewind with the mt command

i.e "mt -f /dev/nrsmt0 fsf 1" followed by a forced read in variable block

mode i.e "tar xvf /dev/vrsmt0" it worked.

Thanks for your help :-

Regards,

Jim.

------------------------------------------------------------

Jim Riordan | Tel: +353-1-2956533

Systems Administrator | Fax: +353-1-2956455

Silicon & Software Systems Ltd. |

Dublin | Email : jimr@s3dub.ie

Ireland | WWW : www.s3group.com

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