# Enable DVS statistics
#options dvsproc dvsproc_stat_control=1
●
To change dynamically:
This is root writable
at
/sys/module/dvsproc/parameters/dvsproc_stat_control
, but
changes should be made only through the
/proc/fs/dvs/stats
interface,
as shown in this example.
hostname#
echo 0 > /proc/fs/dvs/stats
hostname#
echo 1 > /proc/fs/dvs/stats
hostname#
echo 2 > /proc/fs/dvs/stats
dvsproc_stat_defaults
Controls DVS statistics. Use this parameter to disable/enable and format DVS
statistics.
●
Default values: enable, legacy, brief, plain, notest
●
To view:
cat
/sys/module/dvsproc/parameters/dvsproc_stat_defaults
●
To change prior to boot, add these lines to
<nid_of_choice>
/etc/modprobe.d/dvs-local.conf
:
# Disable/enable and format DVS statistics
options dvsproc
dvsproc_stat_defaults="enable,legacy,brief,plain,notest"
●
To change dynamically:
This is root writable
at
/sys/module/dvsproc/parameters/dvsproc_stat_defaults
, but
changes should be made only through the
/proc/fs/dvs/stats
interface,
as shown in this example.
hostname#
echo disable > /proc/fs/dvs/stats
hostname#
echo enable > /proc/fs/dvs/stats
hostname#
echo reset > /proc/fs/dvs/stats
hostname#
echo json,pretty > /proc/fs/dvs/stats
estale_max_retry
Controls the number of times to retry an operation on the original server after it
returns ESTALE.
●
Default value: 36 iterations at a fixed 5 seconds per iteration (3 minutes)
●
To view read-only:
cat
/sys/module/dvsproc/parameters/estale_max_retry
●
To change prior to boot, add these lines to
<nid_of_choice>
/etc/modprobe.d/dvs-local.conf
:
# Set the number of times to retry an operation
# on the original server after it returns ESTALE
options dvsproc estale_max_retry=
Cray DVS
S3016
168
