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openSUSE:12.2
xen
block-npiv
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File block-npiv of Package xen
#!/bin/bash # Usage: block-npiv [add npiv | remove dev] dir=$(dirname "$0") . "$dir/block-npiv-common.sh" . "$dir/block-common.sh" #set -x #command=$1 case "$command" in add) # Params is one big arg, with fields separated by hyphens: # single path: # FABRIC-VPWWPN-VPWWNN-TGTWWPN-LUN# # multipath: # {FABRIC1.FABRIC2}-{VPWWPN1.VPWWPN2.VPWWPN3}-VPWWNN-TGTWWPN-LUN# # arg 2 - Fabric Name # arg 3 - VPORT's WWPN # arg 4 - VPORT's WWNN # arg 5 - Target's WWPN # arg 6 - LUN # on Target # no wwn contains a leading 0x - it is a 16 character hex value # You may want to optionally pick a specific adapter ? par=`xenstore-read $XENBUS_PATH/params` || true #par=$2 NPIVARGS=$par; LUN=${NPIVARGS##*-*-*-*-}; NPIVARGS=${NPIVARGS%-*} if test $LUN = $NPIVARGS ; then exit 1; fi TGTWWPN=${NPIVARGS##*-*-*-}; NPIVARGS=${NPIVARGS%-*} if test $TGTWWPN = $NPIVARGS ; then exit 1; fi VPORTWWNN=${NPIVARGS##*-*-}; NPIVARGS=${NPIVARGS%-*} if test $VPORTWWNN = $NPIVARGS ; then exit 1; fi VPORTWWPNS=${NPIVARGS##*-}; NPIVARGS=${NPIVARGS%-*} if test $VPORTWWPNS = $NPIVARGS ; then exit 1; fi FABRICNMS=$NPIVARGS # Ensure we compare everything using lower-case hex characters TGTWWPN=`echo $TGTWWPN | tr A-Z a-z` VPORTWWPNS=`echo $VPORTWWPNS | tr A-Z a-z |sed 's/[{.}]/ /g'` VPORTWWNN=`echo $VPORTWWNN | tr A-Z a-z` FABRICNMS=`echo $FABRICNMS | tr A-Z a-z |sed 's/[{.}]/ /g'` claim_lock "npiv" paths=0 for FABRICNM in $FABRICNMS; do for VPORTWWPN in $VPORTWWPNS; do find_vhost $VPORTWWPN $FABRICNM if test -z "$vhost" ; then create_vport $FABRICNM $VPORTWWPN $VPORTWWNN if [ $? -ne 0 ] ; then exit 2; fi sleep 8 find_vhost $VPORTWWPN $FABRICNM if test -z "$vhost" ; then exit 3; fi fi find_sdev $vhost $TGTWWPN $LUN if test -z "$dev"; then echo "- - -" > /sys/class/scsi_host/$vhost/scan sleep 2 find_sdev $vhost $TGTWWPN $LUN fi if test -z "$dev"; then exit 4 fi paths=$(($paths+1)) done done release_lock "npiv" if test $paths -gt 1; then xenstore-write $XENBUS_PATH/multipath 1 /etc/init.d/multipathd start if test $? -ne 0 ; then exit 4; fi dm=`multipath -l /dev/$dev | grep dm | cut -f2 -d' '` else xenstore-write $XENBUS_PATH/multipath 0 dm=$dev fi if test ! -z "$dm"; then xenstore-write $XENBUS_PATH/node /dev/$dm write_dev /dev/$dm exit 0 fi exit 4 ;; remove) node=`xenstore-read $XENBUS_PATH/node` || true multipath=`xenstore-read $XENBUS_PATH/multipath` || true # this is really screwy. the first delete of a lun will # terminate the entire vport (all luns) if test $multipath = 1; then par=`xenstore-read $XENBUS_PATH/params` || true NPIVARGS=$par; FABRICNMS=${NPIVARGS%%-*}; NPIVARGS=${NPIVARGS#*-} VPORTWWPNS=${NPIVARGS%%-*} VPORTWWPNS=`echo $VPORTWWPNS | tr A-Z a-z |sed 's/[{.}]/ /g'` FABRICNMS=`echo $FABRICNMS | tr A-Z a-z |sed 's/[{.}]/ /g'` for FABRICNM in $FABRICNMS; do for VPORTWWPN in $VPORTWWPNS; do find_vhost $VPORTWWPN $FABRICNM if test -z "$vhost" ; then exit 5; fi flush_nodes_on_vhost $vhost delete_vhost $vhost done done else dev=$node; dev=${dev#/dev/} find_vhost_from_dev $dev if test -z "$vhost" ; then exit 5; fi flush_nodes_on_vhost $vhost delete_vhost $vhost fi exit 0 ;; esac
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