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. V erify the current I/O time-out value using the pvdisplay command:
Example
# pvdisplay /dev/dsk/c0t6d0
- - - Physical volumes---
PV Name /dev/dsk/c0t6d0
VG Name /dev/v
g06
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 timeo
ut value]
2. If the I/O tim
eout value is not 30, change the value to 30 using the pvchange
-t command:
Example
# pvchange -t 30 /dev/dsk/c0t6d0
Physica
l volume "/dev/dsk/c0t6d0" has been successfully changed.
Volume Group configuration for /dev/vg06 has been saved in
/etc/l
vmconf/vg06.conf.
38
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