sounds like you need to contact VA-Linux about the problem, and not spam the
linux-NET list
Raymond Blum wrote:
>
> Hi
>
> Two problems I am looking to solve, sort of a "low-grade" EMERGENCY ...
>
> I have to recover files from a backup tape that was made on a VA-Linux
> box on DDS-4 tapes.
>
> 1) I have a couple of PCs running RedHat Linux 6.1 and 6.2. I have the
> tape drive (a Seagate) that made the backups and am hooking it up on my
> SCSI chain. Linux can see the drive and can use it to read DDS-3 tapes
> just fine so I do not think that there is a SCSI
> chain/cabling/termination problem. But when I put in one of the DDS-4
> tapes that were created on this drive "mt status" on the drive tells me
> "density 0x26 unknown density for this mt" and I can rewind/eject the
> tape but if I try to read the tape I get an IO error.
>
> The drive is SCSI-3 (?) 68 pin. The SCSI controller in my machine is a
> SCSI-2 (HD50) connector.
>
> 2) So... I hooked it up to a VA--Linux box that has the same (68 pin)
> SCSI controller. I can write to the tape but any command to read the
> tape, including "mt status" hangs. I can not kill the process (i.e. the
> "mt" command) but if I pull and reseat the SCSI terminator on the drive
> it will SOMETIME release the process that is accessing the drive.
>
> Is there something I have to do to use the DDS-4 tapes on the standard
> RedHat 6.x distributions? Is the "unknown density" the reason for my IO
> Errors?
>
> Does anyone have a clue about the weird lockups on the VA-Linux box? I
> booted the same machine with a DOS diskette and ran some Seagate
> diagnostics that do read-write tests and the diagnostics say that the
> drive is fine.
>
> TIA
> ---Raymond
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