DLT7000 switches to 20 GB after patch
2007-12-24 20:17:00
a strange problem: Our Customer has a Solaris 2.6 (Kernelpatch 105181-26),
Tape Library L1000, 2xDLT7000,
Solstice DiskSuite 5.1. There was a device locking problem (the tape stayed
reserved after a write error, so nsrjb could
not access it for eject and thus effectively stopped the backup). SUN
suggested patching (what else?) - 2 patches for
the networker (106408-06, 106637-01) & the latest patch for the st driver
(106408-06).
The networker patches were accepted, but after the st patch networker slowed
down and started to close the tapes
at 20 GB. The st.conf file:
"QUANTUM DLT7000", "Quantum DLT7000", "DLT7k-data";
...
DLT7k-data = 1,0x38,0,0x1D639,4,0x82,0x83,0x84,0x85,2;
After patchremove the speed/density was restored, the blocking behaviour
too.
e.pankratz
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