HP XP12000 - Manual (Page 47)

Installation 49
Setting the I/O timeout parameter
Set the I/O timeout value for each disk device to 30 seconds.
To change the I/O timeout parameter:
1. Verify the current I/O timeout value using the pvdisplay command:
Example # pvdisplay /dev/dsk/c0t6d0
This causes current values to be displayed:
--- Physical volumes ---
PV Name /dev/dsk/c0t6d0
VG Name /dev/vg06
PV Status available
Allocatable yes
VGDA 2
Cur LV 1
PE Size (Mbytes) 4
Total PE 586
Free PE 0
Allocated PE 586 [OPEN-9]
Stale PE 0
IO Timeout (Seconds) default [I/O timeout value]
2. If the I/O timeout value is not 30, change the value to 30 using the
pvchange -t command:
Example # pvchange -t 30 /dev/dsk/c0t6d0
This result is displayed:
Physical volume "/dev/dsk/c0t6d0" has been
successfully changed.
Volume Group configuration for /dev/vg06 has been
saved in /etc/lvmconf/vg06.cof
3. Verify that the new I/O timeout value is 30 seconds using the pvdisplay
command:
Example # pvdisplay /dev/dsk/c0t6d0
Current values are now displayed, confirming that the new I/O timeout
value is 30 seconds: