Is it safe to detach a drained page volume from the system if there are no pages on it? For instance, removing 520PA2 below?
q alloc page
EXTENT EXTENT TOTAL PAGES HIGH %
VOLID RDEV START END PAGES IN USE PAGE USED
------ ---- ---------- ---------- ------ ------ ------ ----
520PAG 4308 1 10016 1761K 1536K 1761K 87%
520PA2 430C 1 10016 1761K 0 0 0% DR
------ ------ ----
SUMMARY 3521K 1536K 43%
USABLE 1761K 1536K 87%
DRAINING 1761K 0 0%
Ready; T=0.01/0.01 09:08:22
