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Problems with DLT7000 and SDLT

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Top Forums UNIX for Advanced & Expert Users Problems with DLT7000 and SDLT
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Old 02-20-2004
Problems with DLT7000 and SDLT


I think this issue should be posted in a backup box, but there wasn't .

We have an issue that we made a backup on a DLT7000 tape using tar. Ones we check using : tar tvf /dev/rmt/0
It all works great on the same server.

Now ejecting the tape and putting it into server 2 with an SDLT unit we try to do the same but get an error. However mt stat -f /dev/rmt/0 shows :

Quantum Super DLT 320 tape drive:
sense key(0x6)= Unit Attention residual= 0 retries= 0
file no= 0 block no= 0

The DLT7000 would be read only compatible to the SDLT, right?

I know it's (by default) not the other way arround and you can't append, but is there something else we should look at ?

Best Regs David

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tcopy(1)							   User Commands							  tcopy(1)

tcopy - copy a magnetic tape SYNOPSIS
tcopy source [destination] DESCRIPTION
The tcopy utility copies the magnetic tape mounted on the tape drive specified by the source argument. The only assumption made about the contents of a tape is that there are two tape marks at the end. When only a source drive is specified, tcopy scans the tape, and displays information about the sizes of records and tape files. If a des- tination is specified, tcopy makes a copies the source tape onto the destination tape, with blocking preserved. As it copies, tcopy pro- duces the same output as it does when only scanning a tape. The tcopy utility requires the use of Berkeley-compatible device names. For example, example% tcopy /dev/rmt/1b /dev/rmt/2b ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWesu | +-----------------------------+-----------------------------+ SEE ALSO
mt(1), ioctl(2), attributes(5) NOTES
tcopy will only run on systems supporting an associated set of ioctl(2) requests. SunOS 5.10 10 Mar 2000 tcopy(1)

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