DragonFly users List (threaded) for 2009-11
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Re: CAM and sa0
:I am using release 2.4 and the Generic kernel. I have an ide tape drive
:and an ide zip disc drive.
:On boot ast0 and afd0 devices are found and then CAM configures sa0 and
:da0 for the same devices.
:
:I get the following results using these devices.
:
:dump -0 -f /dev/sa0 /var (Nothing written to tape)
:dump -0 -f /dev/ast0 /var (dump is good)
:pax -wf /dev/sa0 /etc (Nothing written to tape)
:pax -wf /dev/ast0 /etc (archive is good)
:dump -0 -f /dev/da0 /var (dump is good)
:pax -wf /dev/da0 /etc (archive is good)
:
:There seems to be a problem here. I wonder if it might have something to
:do with sa0 being the default tape device.
:
:Jim Chapman
Hmm. Well, it sounds like the CAM/ATA layer for the tape drive
isn't functioning properly but you've already found the workaround.
I don't have any IDE tape drives to test with. You could mess around
with a few simple 'dd' commands to read and write the tape to try to
debug the issue.
-Matt
Matthew Dillon
<dillon@backplane.com>
- References:
- CAM and sa0
- From: Jim Chapman <jim.chapman@sympatico.ca>
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