redundant fcal adaptors to disks in a5200

From: Broun, Bevan (brounb@adi-limited.com)
Date: Tue Nov 19 2002 - 18:27:12 EST


I have two E420rs running solaris 8. I also have an A5200 unit with two
loops configured; there are 4 disks in each loop and two GBIT adaptors in
the A1 and B0 positions. Currenty the two E420Rs have two FCAL adaptors
each, but one is unused.

We want to move the disks from the rear of the system to the front so that
one host has access to all 8 disks (the other little piggy gets none). We
also want to move the GBIT adaptor from the A1 position (for rear drives)
to the A0 position (for front drives) and connect this to the 2nd FCAL
adaptor in the host.

Does this automatically give redundancey of host adaptors such that if one
card failed the other would just continue to access the drives? (this is
what we are after). Does it increase thruput to the drives?

Thanks in advance

BB
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