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Date:      Sat, 24 Oct 1998 20:23:47 +0200
From:      "Johan Granlund" <johan@granlund.nu>
To:        freebsd-current@FreeBSD.ORG
Subject:   Exabyte EXB-8200 and CAM, Take3
Message-ID:  <199810241925.VAA00455@phoenix.granlund.nu>

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Hi

Before anybody says anything: I know i should have tested this the last 
time i got help:)

That over with:

I have a vanilla EXB-8200 drive that works with a preCAM kernel. When 
trying to make a backup with dump i I'medially get "DUMP: End of tape 
detected" as soon dump tries to write to the tape. Tar says "tar: only wrote 
0 of xxx bytes to /dev/rsa0".

Known quirks with precam kernel.
Dump seems to pause 10-15sec between mapping and actually writing to 
the drive.

When using rewind device (rsa0) i get device busy a couple of times when 
the driver tries to rewind. No rewind is happening.

When letting dump reach EOT i get (from memory) Write error I/O error and 
a abort.

Whith a CAM kernel it probes OK now (Thank for the help).
When using dump i got "DUMP: End of tape detected" Imedially after the 
mapping. A preCAM kernel paused here.

Tried enabling the CAM debuuging statements in the kernel config but got:
/kernel: xpt_config: xpt_create_path() failed for debugt
/kernel: arget -1:6:-1, debugging disabled

I'm currently using a preCAM kernel for backups and that is working fine for 
now.
Tried both firmware releases that is on the Exabyte website with no change.

Any idea how to get information to help to solve this?

Regards

/Johan
___________________________________________________________

Internet: johan@granlund.nu

I don't even speak for myself

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