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.test_env
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.test_env
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#################################################################################
#
# Some short handy scripts useful for quick troubelshooting and test tool execution.
#
#################################################################################
vdblist()
{
# HELP : Create sd list for vdbench profiles.
i=1
multipath -l |awk '/Vexata/ {print $3}' |while read DN; do
echo "sd=sd${i},lun=/dev/${DN},openflags=o_direct"
((i++))
done
}
vdblist_mp()
{
# HELP : Create sd list of device mapper devices for vdbench profiles.
i=1
multipath -l |awk '/Vexata/ {print $1}' |while read DN; do
echo "sd=sd${i},lun=/dev/mapper/${DN},openflags=o_direct"
((i++))
done
}
vdbgen()
{
# HELP : Generate vdbench profiles.
VDBTEMPLATES=/opt/beetle/opt/vdbench_profiles
vdblist > /tmp/vdblist.out
for file in $(ls $VDBTEMPLATES | xargs -n1); do sed -e'/sdXX/r/tmp/vdblist.out' $VDBTEMPLATES/$file > /tmp/$file; done
}
iochk()
{
# HELP : Generate IOSTAT output for devices with some activity.
SD=${1:-mp}
[[ $SD == "mp" ]] && DEVLIST=$(dmsetup ls |awk '/^mpath/ {print $1}'|xargs) || DEVLIST=$(lsscsi |awk -F/ '/Vexata/ {print $NF}'|xargs)
iostat -dxNzmc 5 ${DEVLIST}
}
fiolist()
{
# HELP : List device to be used with FIO command.
multipath -l |awk '/Vexata/ {print "/dev/mapper/"$1}' | xargs |sed "s/ /:/g"
}
wwnlist()
{
# HELP : WWN List of all FC ports.
systool -c fc_host -A port_name |awk '/port_name/ {print substr($NF,4,16)}' | sed 's/.\{2\}/&:/g' | sed 's/:$//g'
}
ws()
{
# HELP : Status check of FC ports.
systool -c fc_host -A port_name -v |awk -F\= '/port_name|port_state|speed |Class Device =/ {print $NF}' | xargs -n 4
}
dlist()
{
# HELP : List the dm-X devices in one line.
DEVLIST=$(multipath -l -p multibus|awk '/Vexata|active r/ {print $3}')
CNT=$(echo $DEVLIST|wc -c)
[[ $CNT == 1 ]] && DEVLIST=$(lsscsi |awk -F\/ '/Vexata/ {print $NF}' | xargs)
echo $DEVLIST
}
sdlist()
{
# HELP : List the sdX devices in one line.
lsscsi|awk -F\/ '/Vexata/ {print $NF}' | xargs
}
lstune ()
{
# HELP : Lists the values of all frequently tuned settings for devices.
for drivename in $(dlist) $(sdlist)
do
cat /sys/block/$drivename/queue/scheduler
cat /sys/block/$drivename/queue/add_random
cat /sys/block/$drivename/queue/rq_affinity
echo ":$drivename"
done | xargs -n 6| paste - - -
}
tune_all()
{
# HELP : Set the recommended values to all frequently tuned settings for devices.
echo "Before ....." ; lstune
for drivename in $(dlist) $(sdlist)
do
echo noop > /sys/block/$drivename/queue/scheduler;
echo 0 > /sys/block/$drivename/queue/add_random;
echo 2 > /sys/block/$drivename/queue/rq_affinity;
done
echo "After ....." ; lstune
}
tune_random()
{
# HELP : Set the requested value to enable/disable entrophy on all vexata volumes (default - 0).
VAL=${1:-0}
echo "Before ....." ; lstune
for drivename in $(dlist) $(sdlist)
do
echo ${VAL} > /sys/block/$drivename/queue/add_random;
done
echo "After ....." ; lstune
}
tune_affinity()
{
# HELP : Set the requested affinity value to all vexata volumes (default - 2).
VAL=${1:-2}
echo "Before ....." ; lstune
for drivename in $(dlist) $(sdlist)
do
echo ${VAL} > /sys/block/$drivename/queue/rq_affinity;
done
echo "After ....." ; lstune
}
tune_nr()
{
# HELP : Increase / decrease the nr_requests on all vexata volumes (default - 1024).
VAL=${1:-1024}
echo "Before ....." ; lstune
for drivename in $(dlist)
do
echo ${VAL} > /sys/block/$drivename/queue/nr_requests;
done
echo "After ....." ; lstune
}
tune_sched()
{
# HELP : Set I/O scheduler on all vexata volumes (default - noop).
VAL=${1:-"noop"}
echo "Before ....." ; lstune
for drivename in $(dlist)
do
echo ${VAL} > /sys/block/$drivename/queue/scheduler;
done
echo "After ....." ; lstune
}
rescan_all()
{
# HELP : Rescan all scsi devices associated with FC.
systool -c fc_host |awk -F\" '/Class D/ {print $2}'| while read HN
do
echo $HN;timeout 120 echo "- - -" > /sys/class/scsi_host/$HN/scan
done
}
rmdev()
{
# HELP : Remove stale device entries.
multipath -l | awk '/failed|faulty/ {print $3}' | while read DN
do
echo 1 > /sys/block/${DN}/device/delete
done
}
mpconfig()
{
# HELP : List the effective multipath configuration.
echo 'show config' | multipathd -k | less
}
vc()
{
# HELP : List the number of SD volumes and DM volumes.
echo "Vexata SDs : $(lsscsi |grep Vexata|wc -l)"
tf=$(multipath -ll)
echo "Vexata DMs : $(echo "$tf" | grep Vexata |wc -l)"
echo "$tf" | awk '/Vexata/ {print $1}' | while read mp; do echo "$mp : $(multipath -l $mp | awk '/^ \|-|^ `/ {print $0}' | wc -l)"; done
}
dl()
{
# HELP : List all dm-X devices with new-line. Useful to pass on to test tools.
multipath -l |awk '/Vexata/ {print "/dev/mapper/"$1}'
}
devlist()
{
# HELP : List all dm-X devices with full path name in single line. Useful to pass on to test tools.
multipath -l |awk '/Vexata/ {print "/dev/mapper/"$1}' |xargs |sed "s/ /,/g"
}
ver()
{
# HELP : Display the current OS version.
awk -F= '/ID=/ {print $NF}' /etc/os-release| xargs| sed 's/ /-/g'
}
hbaver()
{
# HELP : Display HBA version installed on the system.
lsmod |grep lpfc >/dev/null 2>&1 ; L=$?
lsmod |grep qla2xxx >/dev/null 2>&1 ; Q=$?
[[ $L -eq 0 ]] && modinfo lpfc | awk -F: '/description:/ {print $NF}'
[[ $Q -eq 0 ]] && modinfo qla2xxx | awk -F: '/description:|^version:/ {print $NF}'|paste -s
}
check_interrupts()
{
# HELP : Check interrupt values on the system.
awk -F: '/lpfc/ {print $1}' /proc/interrupts | xargs -L1 -i cat /proc/irq/{}/smp_affinity_list
}
chdev_to()
{
# HELP : Change timeout for SD devices.
TO=${1:-5}
lsscsi |awk '/Vexata/ {print $NF}'| while read DN
do
echo "${TO}" >/sys/block/$(basename $DN)/device/timeout
done
}
lsdev_to()
{
# HELP : List timeout for SD devices.
TO=${1:-5}
lsscsi |awk '/Vexata/ {print $NF}'| while read DN
do
cat /sys/block/$(basename $DN)/device/timeout
done
}
function vhelp {
# HELP : List help on all vexata custom test environment modules.
grep -A2 "()$" /opt/beetle/.test_env | paste - - - - | sed 's/()//g; s/{//g; s/. HELP//g; s/--//g'|awk -F: '{printf "%20s :%s\n",$1,$2}'
}
get_max ()
{
# HELP : List the max_sectors_kb value on all vexata volumes.
echo -n "DMs : ";
multipath -l | awk '/Vexata/ {print $3}' | xargs -L1 -i cat /sys/devices/virtual/block/{}/queue/max_sectors_kb | xargs;
echo -n "SDs : ";
lsscsi |awk -F \/ '/Vexata/ {print $NF}'|sed "s/ //g" | xargs -L1 -i cat /sys/class/block/{}/queue/max_sectors_kb | xargs
}
get_hwmax ()
{
# HELP : List the max_hw_sectors_kb value on all vexata volumes.
echo -n "DMs : ";
multipath -l | awk '/Vexata/ {print $3}' | xargs -L1 -i cat /sys/devices/virtual/block/{}/queue/max_hw_sectors_kb | xargs;
echo -n "SDs : ";
lsscsi |awk -F \/ '/Vexata/ {print $NF}'|sed "s/ //g" | xargs -L1 -i cat /sys/class/block/{}/queue/max_hw_sectors_kb | xargs
}
tune_max ()
{
# HELP : Set max_sectors_kb value on all vexata volumes.
echo "Before : $(get_max)";
multipath -l | awk '/Vexata/ {print $3}' | xargs -L1 -i echo "echo $1 > /sys/devices/virtual/block/{}/queue/max_sectors_kb" > /tmp/ll;
lsscsi |awk -F \/ '/Vexata/ {print $NF}'|sed "s/ //g" | xargs -L1 -i echo "echo $1 > /sys/class/block/{}/queue/max_sectors_kb" >> /tmp/ll;
chmod 755 /tmp/ll;
/tmp/ll; rm -f /tmp/ll
echo "After : $(get_max)"
}