HP XP RAID Manager Software - Manual (Page 340)

340 HP StorageWorks Disk Array XP RAID Manager: User’s Guide
• Even if connected to the ESCON/FC link, PVOL-PSUE-takeover
changes only the active P-VOL/S-VOLs to suspend state.
P-VOL group status
The result of the pvol_psue takeover is that PSUE and PSUS status is
intermingled within the group. If any volumes are PSUE (or PDUB in the
case of LUSE volumes), pairvolchk will give them precedence over PSUS
as the returned group status.
Host C Host A Host B
PSUS
PSUE*
PSUS
PSUS
PSUS
PAIR
PSUE
PAIR
PAIR
PAIR horctakeover
P-VOL
SVOL failure
Host C Host A Host B
PAIR
PSUE
PAIR
PAIR
PAIR
PAIR
PSUE
PAIR
PAIR
PAIR
S-VOL P-VOL S-VOL