Michael Kwasigroch <[EMAIL PROTECTED]> wrote:
> I have a Sony SDT-7000. I purchased it in an external box to be attached to
I have used SDT-5000, SDT-7000, SDT-9000, SDT-10'000 and SDT-11'000
with Linux without any problem like the one you mention.
HOWEVER,
- I have paid a lot of attention to termination, cable length, etc.
- I clean the tape drives very regularly.
I have noted that the SDT-7000 is the less reliable of all those
drives, especially with 120m medium.
I strongly suggest SDT-5000 with 60m or 90m medium, or SDT-9000 with
125m medium. The 120m medium, in my opinion, has its problems.
I have also recently tested the SDT-10000/SDT-11000 with 150m medium
and it works very well.
The test was done notably with (! denotes the big tests).
Linux
2.0.27, 2.0.35(!), 2.0.38
2.2.13(!), 2.2.14, 2.2.15
Hardware
Tekram DC-390F (sym53c875)
Tekram DC-390UW2 (sym53c895/896)
Adaptec 2940UW (aic7xxx)
Adaptec 1542 (aha154x) -> this I had a few problems with, notably
with error recovery.
Software
dd, mt, Amanda, Amanda + changes, afbackup, Arkeia.
Also, I either compile st in the kernel or I load the module manually.
If you load/unload frequently (ie through kerneld/kmod), you risk
the size of the buffer to become very small due to fragmentation.
> not help - I also tried the "special" st-driver that's available for Sony
> tape drives - no use.
Absolutely not need.
Now, on the advertising side of this: we happen to manufacture autochangers
based on SDT-xxxx/SDT-xxxxx, and we support Linux customers buying the
product, with or without our enhanced Amanda software. Of course, this
is much more expensive than a tape drive. More details on
http://www.dilog.ch.
This closes this advertising parenthesis :)
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