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

About VXFEN tunable parameters
The section describes the VXFEN tunable parameters and how to reconfigure the
VXFEN module.
Table 5-6 describes the tunable parameters for the VXFEN driver.
Table 5-6
VXFEN tunable parameters
Description and Values: Default, Minimum, and Maximumvxfen Parameter
Size of debug log in bytes
■ Values
Default: 131072 (128 KB)
Minimum: 65536 (64 KB)
Maximum: 524288 (512 KB)
vxfen_debug_sz
Specifies the maximum number of seconds that the smaller
sub-cluster waits before racing with larger sub-clusters for
control of the coordinator disks when a split-brain occurs.
This value must be greater than the vxfen_max_delay value.
■ Values
Default: 60
Minimum: 1
Maximum: 600
vxfen_max_delay
Specifies the minimum number of seconds that the smaller
sub-cluster waits before racing with larger sub-clusters for
control of the coordinator disks when a split-brain occurs.
This value must be smaller than the vxfen_max_delay value.
■ Values
Default: 1
Minimum: 1
Maximum: 600
vxfen_min_delay
Specifies the time in seconds that the I/O fencing driver VxFEN
waits for the I/O fencing daemon VXFEND to return after
completing a given task.
■ Values
Default: 60
Minimum: 10
Maximum: 600
vxfen_vxfnd_tmt
261Tunable parameters
About VXFEN tunable parameters