SCSI error -- medium changed in drive
Leigh Clayton
loc at tmsoft.UUCP
Thu Nov 29 14:04:56 AEST 1990
<lauren at vortex.COM (Lauren Weinstein) > asks about
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*** DEVICE ERROR: Medium has been changed in drive ***
*** Controller 1 (Adaptec AHA-1540 SCSI Host Adapter), DISK Drive 0,
Absolute Sector # 43014 ***
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I get this message frequently, as a result of spinning down/up (and maybe
changing) the Magneto-optical disk I use as Drive 1 (also 386/ix 2.0.2).
It is apparantly caused by the drive telling the SCSI adapter that I've
changed the platter, in the hopes that the adapter will tell the driver and the
driver will refresh it's notions about what is spinning there. Of course
386/ix does *not* do this ... it just prints the message.
I have no idea why your disk should be sending this SCSI signal, though. If
I had to guess, I'd guess that something like a power or logic transient was
causing your disk (or maybe the Adaptec card) to power down/up occasionally.
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