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Lars Kruse 2018-08-02 02:03:42 +02:00
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114
plugins/emc/emc_vnx_block_lun_perfdata
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@ -2,7 +2,7 @@
: <<=cut
=head1 NAME
=head1 NAME
emc_vnx_block_lun_perfdata - Plugin to monitor Block statistics of EMC VNX 5300
Unified Storage Processors
@ -23,16 +23,16 @@
=head1 DESCRIPTION
The plugin monitors LUN of EMC Unified Storage FLARE SP's. Probably it can also
be compatible with other Clariion systems. It uses SSH to connect to Control
Stations, then remotely executes /nas/sbin/navicli and fetches and parses data
be compatible with other Clariion systems. It uses SSH to connect to Control
Stations, then remotely executes /nas/sbin/navicli and fetches and parses data
from it. Obviously, it's easy to reconfigure plugin not to use Control Stations'
navicli in favor of using locally installed /opt/Navisphere's cli. There is no
difference which Storage Processor to use to gather data, so this plugin tries
both of them and uses the first active one. This plugin also automatically
chooses Primary Control Station from the list by calling /nasmcd/sbin/getreason
navicli in favor of using locally installed /opt/Navisphere's cli. There is no
difference which Storage Processor to use to gather data, so this plugin tries
both of them and uses the first active one. This plugin also automatically
chooses Primary Control Station from the list by calling /nasmcd/sbin/getreason
and /nasmcd/sbin/t2slot.
I left some parts of this plugin as rudimental to make easy to reconfigure it
I left some parts of this plugin as rudimental to make easy to reconfigure it
to draw more (or less) data.
The plugin has been tested in the following Operating Environment (OE):
@ -41,15 +41,15 @@
=head1 COMPATIBILITY
The plugin has been written for being compatible with EMC VNX5300 Storage
system, as this is the only EMC storage which i have. By the way, i am pretty
sure it can also work with other VNX1 storages, like VNX5100 and VNX5500, and
The plugin has been written for being compatible with EMC VNX5300 Storage
system, as this is the only EMC storage which i have. By the way, i am pretty
sure it can also work with other VNX1 storages, like VNX5100 and VNX5500, and
old-style Clariion systems.
About VNX2 series, i don't know whether the plugin will be able to work with
them. Maybe it would need some corrections in command-line backend. The same
situation is with other EMC systems, so i encourage you to try and fix the
plugin.
About VNX2 series, i don't know whether the plugin will be able to work with
them. Maybe it would need some corrections in command-line backend. The same
situation is with other EMC systems, so i encourage you to try and fix the
plugin.
=head1 LIST OF GRAPHS
Graph category Disk:
@ -70,68 +70,68 @@
First of all, be sure that statistics collection is turned on. You can do this
by typing:
navicli -h spa setstats -on
on your Control Station or locally through /opt/Navisphere
on your Control Station or locally through /opt/Navisphere
Also, the plugin actively uses buggy "cdef" feature of Munin 2.0, and here we
Also, the plugin actively uses buggy "cdef" feature of Munin 2.0, and here we
can be hit by the following bugs:
http://munin-monitoring.org/ticket/1017 - Here I have some workarounds in the
http://munin-monitoring.org/ticket/1017 - Here I have some workarounds in the
plugin, be sure that they are working.
http://munin-monitoring.org/ticket/1352 - Metrics in my plugin can be much
http://munin-monitoring.org/ticket/1352 - Metrics in my plugin can be much
longer than 15 characters.
Without these workarounds "Load" and "Queue Length" would not work.
=head2 Installation
The plugin uses SSH to connect to Control Stations. It's possible to use
The plugin uses SSH to connect to Control Stations. It's possible to use
'nasadmin' user, but it would be better if you create read-only global user by
Unisphere Client. The user should have only Operator role.
I created "operator" user but due to the fact that Control Stations already
had one internal "operator" user, the new one was called "operator1". So be
Unisphere Client. The user should have only Operator role.
I created "operator" user but due to the fact that Control Stations already
had one internal "operator" user, the new one was called "operator1". So be
careful. After that, copy .bash_profile from /home/nasadmin to a newly created
/home/operator1.
On munin-node side choose a user which will be used to connect through SSH.
Generally user "munin" is ok. Then, execute "sudo su munin -s /bin/bash",
"ssh-keygen" and "ssh-copy-id" to both Control Stations with newly created
On munin-node side choose a user which will be used to connect through SSH.
Generally user "munin" is ok. Then, execute "sudo su munin -s /bin/bash",
"ssh-keygen" and "ssh-copy-id" to both Control Stations with newly created
user.
Make a link from /usr/share/munin/plugins/emc_vnx_dm_basic_stats to
/etc/munin/plugins/emc_vnx_dm_basic_stats_<NAME>, where <NAME> is any
arbitrary name of your storage system. The plugin will return <NAME> in its
Make a link from /usr/share/munin/plugins/emc_vnx_dm_basic_stats to
/etc/munin/plugins/emc_vnx_dm_basic_stats_<NAME>, where <NAME> is any
arbitrary name of your storage system. The plugin will return <NAME> in its
answer as "host_name" field.
For example, assume your storage system is called "VNX5300".
Make a configuration file at
Make a configuration file at
/etc/munin/plugin-conf.d/emc_vnx_block_lun_perfdata_VNX5300. For example:
[emc_vnx_block_lun_perfdata_VNX5300]
user munin
user munin
env.username operator1
env.cs_addr 192.168.1.1 192.168.1.2
env.cs_addr 192.168.1.1 192.168.1.2
or:
[emc_vnx_block_lun_perfdata_VNX5300]
user munin
user munin
env.username operator1
env.localcli /opt/Navisphere/bin/naviseccli
env.sp_addr 192.168.0.3 192.168.0.4
env.blockpw foobar
Where:
Where:
user - SSH Client local user
env.username - Remote user with Operator role for Block or File part
env.cs_addr - Control Stations addresses for remote (indirect) access.
env.localcli - Optional. Path of localhost 'Naviseccli' binary. If this
env.localcli - Optional. Path of localhost 'Naviseccli' binary. If this
variable is set, env.cs_addr is ignored, and local 'navicli' is used.
Requires env.blockpw variable.
env.sp_addr - Default is "SPA SPB". In case of "direct" connection to
env.sp_addr - Default is "SPA SPB". In case of "direct" connection to
Storage Processors, their addresses/hostnames are written here.
env.blockpw - Password for connecting to Storage Processors
=head1 ERRATA
It counts Queue Length in not fully correct way. We take parameters totally
It counts Queue Length in not fully correct way. We take parameters totally
from both SP's, but after we divide them independently by load of SPA and SPB.
Anyway, in most AAA / ALUA cases the formula is correct.
@ -165,7 +165,7 @@ else
NAVICLI="/nas/sbin/navicli"
fi
# Prints "10" on stdout if found Primary Online control station. "11" - for Secondary Online control station.
# Prints "10" on stdout if found Primary Online control station. "11" - for Secondary Online control station.
ssh_check_cmd() {
ssh -q "$username@$1" "/nasmcd/sbin/getreason | grep -w \"slot_\$(/nasmcd/sbin/t2slot)\" | cut -d- -f1 | awk '{print \$1}' "
}
@ -253,7 +253,7 @@ echo "host_name ${TARGET}"
echo
if [ "$1" = "config" ] ; then
cat <<-EOF
cat <<-EOF
multigraph emc_vnx_block_blocks
graph_category disk
graph_title EMC VNX 5300 LUN Blocks
@ -263,7 +263,7 @@ if [ "$1" = "config" ] ; then
while read -r LUN ; do
LUN="$(clean_fieldname "$LUN")"
cat <<-EOF
cat <<-EOF
${LUN}_read.label none
${LUN}_read.graph no
${LUN}_read.min 0
@ -304,8 +304,8 @@ if [ "$1" = "config" ] ; then
multigraph emc_vnx_block_ticks
graph_category disk
graph_title EMC VNX 5300 Counted Load per LUN
graph_vlabel Load, % * Number of LUNs
graph_args --base 1000 -l 0 -r
graph_vlabel Load, % * Number of LUNs
graph_args --base 1000 -l 0 -r
EOF
echo -n "graph_order "
while read -r LUN ; do
@ -332,7 +332,7 @@ if [ "$1" = "config" ] ; then
${LUN}_idleticks_spb.label $LUN Idle Ticks SPB
${LUN}_idleticks_spb.type COUNTER
${LUN}_idleticks_spb.graph no
${LUN}_load_spa.label $LUN load SPA
${LUN}_load_spa.label $LUN load SPA
${LUN}_load_spa.draw AREASTACK
${LUN}_load_spb.label $LUN load SPB
${LUN}_load_spb.draw AREASTACK
@ -342,7 +342,7 @@ if [ "$1" = "config" ] ; then
done <<< "$LUNLIST"
cat <<-EOF
multigraph emc_vnx_block_outstanding
graph_category disk
graph_title EMC VNX 5300 Sum of Outstanding Requests
@ -351,14 +351,14 @@ if [ "$1" = "config" ] ; then
EOF
while read -r LUN ; do
LUN="$(clean_fieldname "$LUN")"
cat <<-EOF
cat <<-EOF
${LUN}_outstandsum.label $LUN
${LUN}_outstandsum.type COUNTER
EOF
done <<< "$LUNLIST"
cat <<-EOF
multigraph emc_vnx_block_nonzeroreq
graph_category disk
graph_title EMC VNX 5300 Non-Zero Request Count Arrivals
@ -392,7 +392,7 @@ if [ "$1" = "config" ] ; then
multigraph emc_vnx_block_queue
graph_category disk
graph_title EMC VNX 5300 Counted Block Queue Length
graph_title EMC VNX 5300 Counted Block Queue Length
graph_vlabel Length
EOF
while read -r LUN ; do
@ -451,10 +451,10 @@ if [ "$1" = "config" ] ; then
cat <<-EOF
${SPclean}_total_busyticks.label ${SP}
${SPclean}_total_busyticks.graph no
${SPclean}_total_busyticks.type COUNTER
${SPclean}_total_busyticks.type COUNTER
${SPclean}_total_bt.label ${SP}
${SPclean}_total_bt.graph no
${SPclean}_total_bt.type COUNTER
${SPclean}_total_bt.type COUNTER
${SPclean}_total_idleticks.label ${SP}
${SPclean}_total_idleticks.graph no
${SPclean}_total_idleticks.type COUNTER
@ -469,8 +469,8 @@ fi
#BIGCMD="$SSH"
while read -r LUN ; do
FILTERLUN="$(clean_fieldname "$LUN")"
BIGCMD+="$NAVICLI lun -list -name $LUN -perfData |
sed -ne 's/^Blocks Read\:\ */${FILTERLUN}_read.value /p;
BIGCMD+="$NAVICLI lun -list -name $LUN -perfData |
sed -ne 's/^Blocks Read\:\ */${FILTERLUN}_read.value /p;
s/^Blocks Written\:\ */${FILTERLUN}_write.value /p;
s/Read Requests\:\ */${FILTERLUN}_readreq.value /p;
s/Write Requests\:\ */${FILTERLUN}_writereq.value /p;