|
|
| Line 19: |
Line 19: |
| | * [[Lustre: Using lustre-iokit]] | | * [[Lustre: Using lustre-iokit]] |
| | * [[Lustre: Using IOR to Benchmark]] | | * [[Lustre: Using IOR to Benchmark]] |
| − |
| |
| − | == Lustre Configuration for MRC Notes ==
| |
| − | 1. On all the server create this configuration file:
| |
| − | for mds:
| |
| − | <syntaxhighlight>
| |
| − | #cat /etc/modprobe.d/lustre.conf
| |
| − | options lnet networks=tcp0(eth2)
| |
| − | </syntaxhighlight>
| |
| − | for oss
| |
| − | <syntaxhighlight>
| |
| − | #cat /etc/modprobe.d/lustre.conf
| |
| − | options lnet networks=tcp0(bond0)
| |
| − | </syntaxhighlight>
| |
| − | load the lustre module
| |
| − | <syntaxhighlight>
| |
| − | modprobe -v lustre
| |
| − | </syntaxhighlight>
| |
| − |
| |
| − | 2. create lustre filesystem
| |
| − | on MDS1
| |
| − | <syntaxhighlight>
| |
| − | mkfs.lustre --mgs --reformat --servicenode=10.10.17.193@tcp0 --servicenode=10.10.17.194@tcp0 /dev/sda
| |
| − |
| |
| − | mkfs.lustre --mdt --fsname=lfs1 --reformat --index=0 --mgsnid=10.10.17.193@tcp0 --mgsnid=10.10.17.194@tcp0 --servicenode=10.10.17.193@tcp0 --servicenode=10.10.17.194@tcp0 --mkfsoptions="-J size=2048" /dev/sdb
| |
| − | </syntaxhighlight>
| |
| − | on MDS2
| |
| − | <syntaxhighlight>
| |
| − | mkfs.lustre --mdt --fsname=lfs2 --reformat --index=0 --mgsnid=10.10.17.193@tcp0 --mgsnid=10.10.17.194@tcp0 --servicenode=10.10.17.194@tcp0 --servicenode=10.10.17.193@tcp0 --mkfsoptions="-J size=2048" /dev/sdc
| |
| − | </syntaxhighlight>
| |
| − | on lustre01-oss1.boston.co.uk
| |
| − | <syntaxhighlight>
| |
| − | mkfs.lustre --ost --fsname=lfs1 --reformat --index=0 --mgsnid=10.10.17.193@tcp0 --mgsnid=10.10.17.194@tcp0 --servicenode=10.10.17.200@tcp0 --mkfsoptions="-J size=2048" /dev/sdb
| |
| − | </syntaxhighlight>
| |
| − |
| |
| − | on lustre01-oss2.boston.co.uk
| |
| − | <syntaxhighlight>
| |
| − | mkfs.lustre --ost --fsname=lfs1 --reformat --index=1 --mgsnid=10.10.17.193@tcp0 --mgsnid=10.10.17.194@tcp0 --servicenode=10.10.17.201@tcp0 --mkfsoptions="-J size=2048" /dev/sdb
| |
| − | </syntaxhighlight>
| |
| − |
| |
| − | on lustre01-oss3.boston.co.uk
| |
| − | <syntaxhighlight>
| |
| − | mkfs.lustre --ost --fsname=lfs1 --reformat --index=2 --mgsnid=10.10.17.193@tcp0 --mgsnid=10.10.17.194@tcp0 --servicenode=10.10.17.202@tcp0 --mkfsoptions="-J size=2048" /dev/sdb
| |
| − | </syntaxhighlight>
| |
| − |
| |
| − | on lustre01-oss4.boston.co.uk
| |
| − | <syntaxhighlight>
| |
| − | mkfs.lustre --ost --fsname=lfs1 --reformat --index=3 --mgsnid=10.10.17.193@tcp0 --mgsnid=10.10.17.194@tcp0 --servicenode=10.10.17.203@tcp0 --mkfsoptions="-J size=2048" /dev/sdb
| |
| − | </syntaxhighlight>
| |
| − |
| |
| − | on lustre02-oss1.boston.co.uk
| |
| − | <syntaxhighlight>
| |
| − | mkfs.lustre --ost --fsname=lfs2 --reformat --index=0 --mgsnid=10.10.17.193@tcp0 --mgsnid=10.10.17.194@tcp0 --servicenode=10.10.17.210@tcp0 --mkfsoptions="-J size=2048" /dev/sdb
| |
| − | </syntaxhighlight>
| |
| − |
| |
| − | on lustre02-oss2.boston.co.uk
| |
| − | <syntaxhighlight>
| |
| − | mkfs.lustre --ost --fsname=lfs2 --reformat --index=1 --mgsnid=10.10.17.193@tcp0 --mgsnid=10.10.17.194@tcp0 --servicenode=10.10.17.211@tcp0 --mkfsoptions="-J size=2048" /dev/sdb
| |
| − | </syntaxhighlight>
| |
| − |
| |
| − | on lustre02-oss3.boston.co.uk
| |
| − | <syntaxhighlight>
| |
| − | mkfs.lustre --ost --fsname=lfs2 --reformat --index=2 --mgsnid=10.10.17.193@tcp0 --mgsnid=10.10.17.194@tcp0 --servicenode=10.10.17.212@tcp0 --mkfsoptions="-J size=2048" /dev/sdb
| |
| − | </syntaxhighlight>
| |
| − |
| |
| − | on lustre02-oss4.boston.co.uk
| |
| − | <syntaxhighlight>
| |
| − | mkfs.lustre --ost --fsname=lfs2 --reformat --index=3 --mgsnid=10.10.17.193@tcp0 --mgsnid=10.10.17.194@tcp0 --servicenode=10.10.17.213@tcp0 --mkfsoptions="-J size=2048" /dev/sdb
| |
| − | </syntaxhighlight>
| |
| − |
| |
| − | on all the nodes:
| |
| − |
| |
| − | <syntaxhighlight>
| |
| − | mkdir -p /lustre/mgt
| |
| − | mkdir -p /lustre/lfs1-mdt
| |
| − | mkdir -p /lustre/lfs2-mdt
| |
| − | mkdir -p /lustre/lfs1-ost00
| |
| − | mkdir -p /lustre/lfs1-ost01
| |
| − | mkdir -p /lustre/lfs1-ost02
| |
| − | mkdir -p /lustre/lfs1-ost03
| |
| − | mkdir -p /lustre/lfs2-ost00
| |
| − | mkdir -p /lustre/lfs2-ost01
| |
| − | mkdir -p /lustre/lfs2-ost02
| |
| − | mkdir -p /lustre/lfs2-ost03
| |
| − | mkdir -p /lustre/lfs2-ost04
| |
| − | </syntaxhighlight>
| |
| − |
| |
| − | disable iptables and selinux
| |
| − |
| |
| − | mounting the targets
| |
| − |
| |
| − | on MDS1
| |
| − | <syntaxhighlight>
| |
| − | mount -t lustre /dev/sda /lustre/mgt
| |
| − |
| |
| − | mount -t lustre /dev/sdb /lustre/lfs1-mdt
| |
| − | </syntaxhighlight>
| |
| − | on lustre01-oss1.boston.co.uk
| |
| − | <syntaxhighlight>
| |
| − | mount -t lustre /dev/sdb /lustre/lfs1-ost00
| |
| − | </syntaxhighlight>
| |
| − | on lustre01-oss2.boston.co.uk
| |
| − | <syntaxhighlight>
| |
| − | mount -t lustre /dev/sdb /lustre/lfs1-ost01
| |
| − | </syntaxhighlight>
| |
| − | on lustre01-oss3.boston.co.uk
| |
| − | <syntaxhighlight>
| |
| − | mount -t lustre /dev/sdb /lustre/lfs1-ost02
| |
| − | </syntaxhighlight>
| |
| − | on lustre01-oss4.boston.co.uk
| |
| − | <syntaxhighlight>
| |
| − | mount -t lustre /dev/sdb /lustre/lfs1-ost03
| |
| − | </syntaxhighlight>
| |
| − |
| |
| − | on MDS2
| |
| − | <syntaxhighlight>
| |
| − | mount -t lustre /dev/sdc /lustre/lfs2-mdt
| |
| − | </syntaxhighlight>
| |
| − | on lustre02-oss1.boston.co.uk
| |
| − | <syntaxhighlight>
| |
| − | mount -t lustre /dev/sdb /lustre/lfs2-ost00
| |
| − | </syntaxhighlight>
| |
| − | on lustre02-oss2.boston.co.uk
| |
| − | <syntaxhighlight>
| |
| − | mount -t lustre /dev/sdb /lustre/lfs2-ost01
| |
| − | </syntaxhighlight>
| |
| − | on lustre02-oss3.boston.co.uk
| |
| − | <syntaxhighlight>
| |
| − | mount -t lustre /dev/sdb /lustre/lfs2-ost02
| |
| − | </syntaxhighlight>
| |
| − | on lustre02-oss4.boston.co.uk
| |
| − | <syntaxhighlight>
| |
| − | mount -t lustre /dev/sdb /lustre/lfs2-ost03
| |
| − | </syntaxhighlight>
| |
| − |
| |
| − | mount client:
| |
| − | <syntaxhighlight>
| |
| − | mount -t lustre 10.10.17.193@tcp0:10.10.17.194@tcp0:/lfs1 /mnt/lfs1
| |
| − | </syntaxhighlight>
| |
| − |
| |
| − | Configuartion file to create on MDS1/2 for HA
| |
| − |
| |
| − | install peacemaker, corosync and pcs
| |
| − |
| |
| − |
| |
| − | cat /etc/corosync/corosync.conf for MDS pair
| |
| − | <syntaxhighlight>
| |
| − | # Please read the corosync.conf.5 manual page
| |
| − | compatibility: whitetank
| |
| − |
| |
| − | totem {
| |
| − | version: 2
| |
| − | secauth: off
| |
| − | interface {
| |
| − | member {
| |
| − | memberaddr: 172.28.50.193
| |
| − | }
| |
| − | member {
| |
| − | memberaddr: 172.28.50.194
| |
| − | }
| |
| − | ringnumber: 0
| |
| − | bindnetaddr: 172.28.50.0
| |
| − | mcastport: 5405
| |
| − | ttl: 1
| |
| − | }
| |
| − | interface {
| |
| − | member {
| |
| − | memberaddr: 10.0.0.1
| |
| − | }
| |
| − | member {
| |
| − | memberaddr: 10.0.0.2
| |
| − | }
| |
| − | ringnumber: 1
| |
| − | bindnetaddr: 10.0.0.0
| |
| − | mcastport: 5405
| |
| − | ttl: 1
| |
| − | }
| |
| − |
| |
| − | transport: udpu
| |
| − | token: 17000
| |
| − | rrp_mode: passive
| |
| − | }
| |
| − |
| |
| − | logging {
| |
| − | fileline: off
| |
| − | to_logfile: yes
| |
| − | to_syslog: yes
| |
| − | debug: on
| |
| − | logfile: /var/log/cluster/corosync.log
| |
| − | debug: off
| |
| − | timestamp: on
| |
| − | logger_subsys {
| |
| − | subsys: AMF
| |
| − | debug: off
| |
| − | }
| |
| − | }
| |
| − | </syntaxhighlight>
| |
| − |
| |
| − |
| |
| − | cat /etc/corosync/service.d/pacemaker
| |
| − | <syntaxhighlight>
| |
| − | service {
| |
| − | # Load the Pacemaker Cluster Resource Manager
| |
| − | name: pacemaker
| |
| − | ver: 1
| |
| − | }
| |
| − | </syntaxhighlight>
| |
| − |
| |
| − |
| |
| − |
| |
| − | cat /usr/lib/ocf/resource.d/heartbeat/Lustre-LDISKFS
| |
| − | chmod 755 /usr/lib/ocf/resource.d/heartbeat/Lustre-LDISKFS
| |
| − | <syntaxhighlight>
| |
| − | #!/bin/sh
| |
| − | #
| |
| − | # Lustre-LDISKFS
| |
| − | # Description: Manages a Lustre target on a shared storage medium.
| |
| − | #
| |
| − | # usage: ./Lustre-LDISKFS {start|stop|status|monitor|validate-all|meta-data}
| |
| − | #
| |
| − | # OCF parameters are as below:
| |
| − | # OCF_RESKEY_label
| |
| − | # OCF_RESKEY_mountpoint
| |
| − | #
| |
| − | # OCF_RESKEY_label : label of the target the script should operate on
| |
| − | # OCF_RESKEY_mountpoint : name of the target the script should operate on
| |
| − |
| |
| − | : ${OCF_FUNCTIONS_DIR=${OCF_ROOT}/resource.d/heartbeat}
| |
| − | . ${OCF_FUNCTIONS_DIR}/.ocf-shellfuncs
| |
| − |
| |
| − | usage() {
| |
| − | echo "usage: $0 {start|stop|status|monitor|meta-data}"
| |
| − | }
| |
| − |
| |
| − | meta_data() {
| |
| − | cat <<END
| |
| − | <?xml version="1.0"?>
| |
| − | <!DOCTYPE resource-agent SYSTEM "ra-api-1.dtd">
| |
| − | <resource-agent name="Lustre-LDISKFS">
| |
| − | <version>1.0</version>
| |
| − |
| |
| − | <longdesc lang="en">
| |
| − | Resource script for a Lustre LDISKFS Target.
| |
| − | </longdesc>
| |
| − |
| |
| − | <shortdesc lang="en">Manages Lustre LDISKFS Targets</shortdesc>
| |
| − |
| |
| − | <parameters>
| |
| − | <parameter name="label" required="1">
| |
| − | <longdesc lang="en">
| |
| − | The label of the target. blkid to display.
| |
| − | </longdesc>
| |
| − | <shortdesc lang="en">label</shortdesc>
| |
| − | <content type="string" default="" />
| |
| − | </parameter>
| |
| − |
| |
| − | <parameter name="mountpoint" required="1">
| |
| − | <longdesc lang="en">
| |
| − | The mount point for the target
| |
| − | </longdesc>
| |
| − | <shortdesc lang="en">mountpoint</shortdesc>
| |
| − | <content type="string" default="" />
| |
| − | </parameter>
| |
| − |
| |
| − |
| |
| − |
| |
| − | </parameters>
| |
| − |
| |
| − | <actions>
| |
| − | <action name="start" timeout="60" />
| |
| − | <action name="stop" timeout="60" />
| |
| − | <action name="notify" timeout="60" />
| |
| − | <action name="monitor" depth="0" timeout="40" interval="20" />
| |
| − | <action name="validate-all" timeout="5" />
| |
| − | <action name="meta-data" timeout="5" />
| |
| − | </actions>
| |
| − | </resource-agent>
| |
| − | END
| |
| − | }
| |
| − |
| |
| − | Target_start() {
| |
| − | # See if the device is already mounted.
| |
| − | if Target_status >/dev/null 2>&1; then
| |
| − | ocf_log info "Target $TARGET is already started."
| |
| − | return $OCF_SUCCESS
| |
| − | fi
| |
| − |
| |
| − | # this is not necessary, mount should start modules
| |
| − | # if ! grep -e 'lustre$' /proc/filesystems >/dev/null; then
| |
| − | # ocf_log err "Couldn't find the lustre module in /proc/filesystems"
| |
| − | # return $OCF_ERR_ARGS
| |
| − | # fi
| |
| − |
| |
| − | # start the target
| |
| − | # if ! chroma-agent mount_target --uuid $TARGET; then
| |
| − | if ! mount -t lustre LABEL=$TARGET $MOUNT_POINT; then
| |
| − | ocf_log err "Couldn't start target $TARGET"
| |
| − | return $OCF_ERR_GENERIC
| |
| − | fi
| |
| − | return $OCF_SUCCESS
| |
| − | }
| |
| − |
| |
| − | Target_notify() {
| |
| − | return $OCF_SUCCESS
| |
| − | }
| |
| − |
| |
| − | Target_stop() {
| |
| − | # started already?
| |
| − | Target_status >/dev/null 2>&1
| |
| − | if [ $? -eq $OCF_NOT_RUNNING ]; then
| |
| − | # woo! nothing to do.
| |
| − | rc=$OCF_SUCCESS
| |
| − | else
| |
| − | # chroma-agent unmount_target --uuid $TARGET
| |
| − | umount $MOUNT_POINT
| |
| − | fi
| |
| − |
| |
| − | return $rc
| |
| − | }
| |
| − |
| |
| − | Target_status() {
| |
| − | # call the agent to see if it's running
| |
| − |
| |
| − |
| |
| − | # if chroma-agent target_running --uuid $TARGET >/dev/null 2>&1; then
| |
| − | if cat /proc/mounts |grep $MOUNT_POINT >/dev/null 2>&1; then
| |
| − | rc=$OCF_SUCCESS
| |
| − | msg="$TARGET is started (running)"
| |
| − | else
| |
| − | rc=$OCF_NOT_RUNNING
| |
| − | msg="$TARGET is stopped"
| |
| − | fi
| |
| − |
| |
| − | if [ "$OP" = "status" ]; then
| |
| − | ocf_log info "$msg"
| |
| − | fi
| |
| − |
| |
| − | return $rc
| |
| − | }
| |
| − |
| |
| − | Target_validate_all() {
| |
| − | return $OCF_SUCCESS
| |
| − | }
| |
| − |
| |
| − | if [ $# -ne 1 ]; then
| |
| − | usage
| |
| − | exit $OCF_ERR_ARGS
| |
| − | fi
| |
| − |
| |
| − | TARGET=$OCF_RESKEY_label
| |
| − | MOUNT_POINT=$OCF_RESKEY_mountpoint
| |
| − | OP=$1
| |
| − |
| |
| − | # These operations do not require instance parameters
| |
| − | case $OP in
| |
| − | meta-data) meta_data
| |
| − | exit $OCF_SUCCESS
| |
| − | ;;
| |
| − | usage) usage
| |
| − | exit $OCF_SUCCESS
| |
| − | ;;
| |
| − | status) Target_status
| |
| − | exit $?
| |
| − | ;;
| |
| − | monitor) Target_status
| |
| − | exit $?
| |
| − | ;;
| |
| − | validate-all) Target_validate_all
| |
| − | exit $?
| |
| − | ;;
| |
| − | stop) Target_stop
| |
| − | exit $?
| |
| − | ;;
| |
| − | start) Target_start
| |
| − | ;;
| |
| − | *) usage
| |
| − | exit $OCF_ERR_UNIMPLEMENTED
| |
| − | ;;
| |
| − | esac
| |
| − | exit $?
| |
| − | </syntaxhighlight>
| |
| − |
| |
| − | On MDS1
| |
| − | <syntaxhighlight>
| |
| − | pcs resource create MGT ocf:heartbeat:Lustre-LDISKFS label=“MGS“ mountpoint=“/lustre/mgt“
| |
| − | pcs resource create lfs1_mgt ocf:heartbeat:Lustre-LDISKFS label=“lfs1-MDT0000“ mountpoint=“/lustre/lfs1-mdt“
| |
| − | </syntaxhighlight>
| |
| − | On MDS2
| |
| − | <syntaxhighlight>
| |
| − | pcs resource create lfs2_mgt ocf:heartbeat:Lustre-LDISKFS label=“lfs2-MDT0000“ mountpoint=“/lustre/lfs2-mdt“
| |
| − | </syntaxhighlight>
| |
| − |
| |
| − | More notes:
| |
| − | notes:
| |
| − | # no need to add mount point on /etc/fstab
| |
| − | # no need for pcsd and etc on oss nodes
| |
| − | # before failover, make sure data movement through
| |
| − | ## pcs resource move mgt to lustre02
| |
| − | ## pcs resource move lfs1 mgt ...
| |
| − | ## pcs resource ...
| |
| − | ## pcs property set no-quorum-policy=ignore
| |
| − | ## need to enlarge the time interval to 300 second through pcs resource show --full
| |
| − | ### <syntaxhighlight> pcs resource update Lustre_mdt op stop interval=0 timeout=300 </syntaxhighlight>
| |
| − | ### <syntaxhighlight> pcs resource update Lustre_mdt op monitor interval=5 timeout=60 </syntaxhighlight>
| |
| − | ## when using infiniband, we need to make sure lustre module start before infiniband module
| |
| − | ## set rules for priority to let resource on two nodes(not recommended). Normally, a resource should just on one node.
| |
| − | ## need to keep an eye on /var/log message make sure no more error messages coming out.
| |
