From: NetComrade (netcomrade@bookexchange.net)
Date: Wed Nov 24 2004 - 13:56:55 EST
We are trying to preserive the life of A5200's.
We've setup a test environment which involves 2 Sun hosts, 1 Linux host
and 1 A5200 and 2 SanBox 8's. While setting it up (I was not the person
doing it), I discovered that the switches don't hide any of the drawbacks
of Arbitrated Loop. I thought that each port would become it's own
loop. Kinda of like described here:
http://data.fibrechannel-europe.com/technology/whitepapers/wp28.html
However, it's not the case.. So what's the point of switches? The disks
still seem to cause a LIP, maybe the switch is only smart enough to direct
IO to a particular port, where it knows the disk is.
Also, once we attached the Linux box and installed Veritas on it, VxVM on
Sun boxes lost touch with about half the disks.. I highly doubt anyone has
attempted this craziness, but if you have any ideas on how to preserve
A5200's w/ more or less painless migration (to Linux boxes), I would
appreciate your feedback.
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