From: 4jet@overnite.com
Date: Fri May 23 2003 - 15:32:56 EDT
Hello,
An urgent request as always. I'm looking for the technical reason why Sun
wont support 4 hosts connected to 2 D1000 (each host having two paths to
each boot disk). After reading "SCSI-Initiator ID" By David Deeths (Sun
BluePrints OnLine - August 2000), and having a pretty good understanding
of how SCSI busses work, it seems this should work great! In fact, I've
been running 4 E10K domains duel pathed to 2 D1000s for over a year
without any issues (all scsi ports on the back of the D1000 have host buss
adapters hooked to them). As long as you're careful to boot each box,
which shares a bus, one at a time (Solaris/OBP does a SCSI reset during
boot), it would seem that everything is cool. I admit that debugging an
HBA issue would be more challenging, but one could just add a terminator
and test the suspect HBA. Does anyone have any technical reasons why this
isn't supported? Is anyone doing anything similar to this?
Regards,
-Eric
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