Veritas Storage Foundation 5.1 SP1 for Oracle RAC Administrator"s Guide (5900-1512, April 2011)

Table 2-4
vxfentsthdw options (continued)
When to useDescriptionvxfentsthdw option
Use during non-destructive
testing.
See “Performing
non-destructive testing on the
disks using the -r option”
on page 111.
Non-destructive testing. Testing
of the disks for SCSI-3
persistent reservations occurs
in a non-destructive way; that
is, there is only testing for reads,
not writes. May be used with -m,
-f, or -g options.
-r
When you want to perform TUR
testing.
Testing of the return value of
SCSI TEST UNIT (TUR)
command under SCSI-3
reservations. A warning is
printed on failure of TUR
testing.
-t
By default, the script picks the
DMP paths for disks in the
diskgroup. If you want the script
to use the raw paths for disks in
the diskgroup, use the -w option.
Use DMP devices.
May be used with -c or -g
options.
-d
With the -w option, the script
picks the raw paths for disks in
the diskgroup. By default, the
script uses the -d option to pick
up the DMP paths for disks in
the disk group.
Use raw devices.
May be used with -c or -g
options.
-w
For testing disks in coordinator
disk group.
See “Testing the coordinator
disk group using vxfentsthdw -c
option” on page 109.
Utility tests the coordinator disk
group prompting for systems
and devices, and reporting
success or failure.
-c
For testing a few disks or for
sampling disks in larger arrays.
See “Testing the shared disks
using the vxfentsthdw -m
option” on page 111.
Utility runs manually, in
interactive mode, prompting for
systems and devices, and
reporting success or failure.
May be used with -r and -t
options. -m is the default option.
-m
Administering SF Oracle RAC and its components
Administering I/O fencing
108