You can use this script if you have more then one HBA to check the path and load balance
PREVIOUS="vmhba0"
echo "Starting HBA Balance....."
case "$1" in
-c)
Show current config
echo >> /root/PostInstall/PostInstall.log
echo "****** CURRENT HBA/LUN CONFIG ******"
echo
for LUN in $(esxcfg-vmhbadevs | tail +2 | awk '\{print $1}')
do
esxcfg-mpath -q --lun=$\{LUN} | grep FC
echo
done
;;
-p)
Show new config
echo
echo "****** PREVIEW NEW BALANCED HBA/LUN CONFIG ******"
echo
for LUN in $(esxcfg-vmhbadevs | tail +2 | awk '\{print $1}')
do
CURRENT=$(esxcfg-mpath -q --lun=$\{LUN} | grep FC | grep "preferred" | awk '\{print $4}' | awk -F ":" '\{print $1}')
if [\[ $\{CURRENT} = $\{PREVIOUS} ]]
then
NEW=$(esxcfg-mpath -q --lun=$\{LUN} | grep FC | grep -v "preferred" | awk '\{print $4}' | awk -F ":" '\{print $1}')
if [\[ $\{NEW} = vmhba1 ]]
then
echo $(esxcfg-mpath -q --lun=$\{LUN} | grep FC | grep $\{NEW} | awk '\{print " " $1, $2, $3, $4, $5}') "active preferred"
echo $(esxcfg-mpath -q --lun=$\{LUN} | grep FC | grep -v $\{NEW} | awk '\{print " " $1, $2, $3, $4, $5}')
else
echo $(esxcfg-mpath -q --lun=$\{LUN} | grep FC | grep -v $\{NEW} | awk '\{print " " $1, $2, $3, $4, $5}')
echo $(esxcfg-mpath -q --lun=$\{LUN} | grep FC | grep $\{NEW} | awk '\{print " " $1, $2, $3, $4, $5}') "active preferred"
fi
PREVIOUS=$\{NEW}
echo
else
if [\[ $\{CURRENT} = vmhba1 ]]
then
echo $(esxcfg-mpath -q --lun=$\{LUN} | grep FC | grep $\{CURRENT})
echo $(esxcfg-mpath -q --lun=$\{LUN} | grep FC | grep -v $\{CURRENT})
else
echo $(esxcfg-mpath -q --lun=$\{LUN} | grep FC | grep -v $\{CURRENT})
echo $(esxcfg-mpath -q --lun=$\{LUN} | grep FC | grep $\{CURRENT})
fi
PREVIOUS=$\{CURRENT}
echo
fi
done
;;
-e)
Execute new config
for LUN in $(esxcfg-vmhbadevs | tail +2 | awk '\{print $1}')
do
CURRENT=$(esxcfg-mpath -q --lun=$\{LUN} | grep FC | grep "preferred" | awk '\{print $4}' | awk -F ":" '\{print $1}')
if [\[ $\{CURRENT} = $\{PREVIOUS} ]]
then
NEW=$(esxcfg-mpath -q --lun=$\{LUN} | grep FC | grep -v "preferred" | awk '\{print $4}' | awk -F ":" '\{print $1}')
NEWPATH=$(esxcfg-mpath -q --lun=$\{LUN} | grep FC | grep -v "preferred" | awk '\{print $4}')
esxcfg-mpath --lun=$\{LUN} --path=$\{NEWPATH} --preferred
PREVIOUS=$\{NEW}
else
PREVIOUS=$\{CURRENT}
fi
done
echo
echo "****** NEW HBA CONFIG *****"
echo
for LUN in $(esxcfg-vmhbadevs | tail +2 | awk '\{print $1}')
do
esxcfg-mpath -q --lun=$\{LUN} | grep FC
echo
done
echo
echo "****** \"active\" flag will be moved after disk activity *****"
echo
;;
*)
echo $"Usage: balancelun \{-c (current config)| -p (preview new config) -e (implement new config)}"
exit 1
esac
Steve Beaver
VMware Communities User Moderator
VMware vExpert 2009 - 2020
VMware NSX vExpert - 2019 - 2020
====
Co-Author of "VMware ESX Essentials in the Virtual Data Center"
(ISBN:1420070274) from Auerbach
Come check out my blog: [www.virtualizationpractice.com/blog|http://www.virtualizationpractice.com/blog/]
Come follow me on twitter http://www.twitter.com/sbeaver
**The Cloud is a journey, not a project.**
