Solaris OracleClusterware

Get release information

# pkg info kernel | nawl -F '.' '/Build Release:/{solaris=$NF;}/Branch:/{subrel=$3;update=$4;}END{printf "Solaris %d.%d Update %d\n",solaris,subrel,update;}'

Set swap to physical RAM

# export RAM=256G
# swap -d /dev/zvol/dsk/rpool/swap
# zfs destroy rpool/swap
# zfs create \
   -V ${RAM} \
   -b 8k \
   -o primarycache=metadata \
   -o chksum=on \
   -o dedup=off \
   -o encryption=off \
   -o compression=off \
   rpool/swap
# swap -a /dev/zvol/dsk/rpool/swap

Set slew always for ntp

After configuring ntp set slew always to avoid time warps!

# svccfg -s svc:/network/ntp:default setprop config/slew_always = true
# svcadm refresh svc:/network/ntp:default
# svccfg -s svc:/network/ntp:default listprop config/slew_always
config/slew_always boolean    true