HP P10000 HP 3PAR HP-UX 11i v2, v3 Implementation Guide (QL226-96021, August 2 - Page 21

have HP 3PAR VV for all HP 3PAR Storage System volumes., The description field will

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works with persistent device paths (DSF). Use the rmsf -v -L command to disable the legacy device paths. # rmsf -vL WARNING: This command may be disruptive to the system. Before running this command, make sure you have first run iofind(1M) and migrated all applications using legacy device special files. Please refer to the man page of rmsf(1M) to verify the possible side effects of the option '-L'. Do you want to continue ? (You must respond with 'y' or 'n'.): y rmsf: Removing special file /dev/dsk/c0t6d0 rmsf: Removing special file /dev/dsk/c0t6d0s1 rmsf: Removing special file /dev/dsk/c0t6d0s2 NOTE: You can enable the legacy device paths any time by executing the insf -L command. Even if you perform I/O on legacy paths, it will be internally routed through the persistent device files. # insf -L This command will re-install all legacy I/O nodes and legacy DSFs. Do you want to continue ? (You must respond with 'y' or 'n'.): y insf: Legacy mode has been successfully enabled Use insf -Lv to display the status as to whether Legacy Mode is enabled or disabled. # insf -Lv insf: Legacy mode is disabled NOTE: The rest of this document assumes that legacy path has been disabled. 4. You can use various options for the ioscan command to obtain more details. Example: a. To show discovered devices, issue ioscan -kfnNC disk. The description field will have HP 3PAR VV for all HP 3PAR Storage System volumes. # ioscan -kfnNC disk Class I H/W Path Driver S/W State H/W Type Description disk 2 64000/0xfa00/0x0 esdisk CLAIMED DEVICE HP 36.4GST336753LC /dev/disk/disk2 /dev/disk/disk2_p2 /dev/rdisk/disk2 /dev/rdisk/disk2_p2 disk 0 64000/0xfa00/0x23e esdisk CLAIMED DEVICE 3PARdataVV /dev/disk/disk0 /dev/rdisk/disk0 disk 1 64000/0xfa00/0x23f esdisk CLAIMED DEVICE 3PARdataVV /dev/disk/disk1 /dev/rdisk/disk1 CAUTION: All I/O to the devices should use /dev/rdisk/disk for raw disk or /dev/disk/disk for block I/O. Any partition on the device will be represented as /dev/disk/diskX_pN number. b. To determine the connected target ports (0:4:2 and 1:5:2) use the following commands: Setting Up Multipathing Software on 11i v3 21

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works with persistent device paths (DSF). Use the
rmsf -v -L
command to disable the legacy
device paths.
# rmsf -vL
WARNING: This command may be disruptive to the system.
Before running this command, make sure you have first run
iofind(1M) and migrated all applications using legacy device
special files. Please refer to the man page of rmsf(1M) to
verify the possible side effects of the option '-L'.
Do you want to continue ?
(You must respond with 'y' or 'n'.): y
rmsf: Removing special file /dev/dsk/c0t6d0
rmsf: Removing special file /dev/dsk/c0t6d0s1
rmsf: Removing special file /dev/dsk/c0t6d0s2
NOTE:
You can enable the legacy device paths any time by executing the
insf -L
command. Even if you perform I/O on legacy paths, it will be internally routed through the
persistent device files.
# insf -L
This command will re-install all legacy I/O nodes and legacy DSFs.
Do you want to continue ?
(You must respond with 'y' or 'n'.): y
insf: Legacy mode has been successfully enabled
Use
insf -Lv
to display the status as to whether Legacy Mode is enabled or disabled.
# insf -Lv
insf: Legacy mode is disabled
NOTE:
The rest of this document assumes that legacy path has been disabled.
4.
You can use various options for the
ioscan
command to obtain more details.
Example:
a.
To show discovered devices, issue
ioscan -kfnNC disk
. The description field will
have HP 3PAR VV for all HP 3PAR Storage System volumes.
# ioscan -kfnNC disk
Class
I H/W Path
Driver S/W State
H/W Type
Description
===================================================================
disk
2 64000/0xfa00/0x0
esdisk
CLAIMED
DEVICE
HP 36.4GST336753LC
/dev/disk/disk2
/dev/disk/disk2_p2
/dev/rdisk/disk2 /dev/rdisk/disk2_p2
disk
0 64000/0xfa00/0x23e
esdisk
CLAIMED
DEVICE
3PARdataVV
/dev/disk/disk0
/dev/rdisk/disk0
disk
1 64000/0xfa00/0x23f
esdisk
CLAIMED
DEVICE
3PARdataVV
/dev/disk/disk1 /dev/rdisk/disk1
CAUTION:
All I/O to the devices should use
/dev/rdisk/disk
for raw disk or
/dev/disk/disk
for block I/O. Any partition on the device will be represented as
/dev/disk/diskX_pN
number.
b.
To determine the connected target ports (0:4:2 and 1:5:2) use the following commands:
Setting Up Multipathing Software on 11i v3
21