HSG80 Array Controller ACS Version 8.2 User Guide (EK-HSG80-UG. B01, July 1998)

I–28 HSG80 User’s Guide
renaming with the CHVSN utility, 1–17
VTDPY
checking communication with host, 4–24
commands, 4–23
general description, 1–15, 4–23
running, 4–23
VTDPY, running, B–96
W
Warning, defined, xxi
Worldwide names, 3–26
Write capability, test for devices, 4–38
Write performance, 3–49
Write protection for program card, 6–4
WRITE_PROTECT
ADD UNIT, B–32
SET unit-number, B–141
Write-back caching
enabled for all disk units, 1–21
fault-tolerance, 1–21
general description, 1–21
setting the flush timer, B–105
WRITEBACK_CACHE
ADD UNIT, B–32
SET unit-number, B–141
Write-through caching
enabling and disabling, 1–21
general description, 1–21