Greg 'groggy' Lehey wrote:
On Sunday, 19 June 2005 at 21:22:43 +0200, Pavel Duda wrote:
Hi,
I have problem with my DDS-3 type drive. I'm able to write on it but not
read data back. If I try to read them I get card dump and tape drive
hangs up. I have tried to upgrade firmware but problem remains. Does
somebody have experience with this ?
My specs :
FreeBSD 5.2.1, generic kernel, x86 (P3), SCSI card is Adaptec AHA2940
and tape drive Python 04106.
I'm attaching dmesg output.
I don't have time to investigate the status output in detail, but at
first glance the output looks consistent with hardware failure. I've
had this so many times with tape drives, in particular DDS, that I
have given up using them altogether: not a single one survived its
guarantee period. If it's not the drive, it could be the tape, though
I've seen far fewer problems in this area. Does this drive (and tape)
work in other systems?
Yes. I was recently using it in my AIX Netfinity machine. Some tapes
used for test are new. I will test to record something and read it in
machine in work.
I don't think it's termination; you say you only see the errors during
reading, and that doesn't fit.
Termination is OK and there is only tape drive at this time (all
unnecessary drives were removed to minimize possible interferences).
What does the drive do when you try to read it? A lot of
back-and-forth is usually an indication of hardware read errors.
Both LEDs are on and tape drive doesn't react to eject button.
Greg
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