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Login to the target
===================
$ IP=`cat /etc/ceph/iscsi-gateway.cfg |grep 'trusted_ip_list' | awk -F'[, ]' '{print $3}'`
> sudo iscsiadm -m discovery -t st -p $IP -l 2&> /dev/null
$ sleep 10
$ sudo ls /dev/disk/by-path/ |grep 'iscsi-iqn.2003-01.com.redhat.iscsi-gw:ceph-gw' |wc -l
2
Make filesystem
===============
$ device=`sudo multipath -l | grep 'LIO-ORG,TCMU device' | awk '{print $1}'`
> sudo mkfs.xfs /dev/mapper/$device -f | grep 'meta-data=/dev/mapper/mpath' | awk '{print $2}'
isize=512
Write/Read test
===============
$ device=`sudo multipath -l | grep 'LIO-ORG,TCMU device' | awk '{print $1}'`
> sudo dd if=/dev/random of=/tmp/iscsi_tmpfile bs=1 count=1K status=none
> sudo dd if=/tmp/iscsi_tmpfile of=/dev/mapper/$device bs=1 count=1K status=none
> sudo dd if=/dev/mapper/$device of=/tmp/iscsi_tmpfile1 bs=1 count=1K status=none
$ sudo diff /tmp/iscsi_tmpfile /tmp/iscsi_tmpfile1
Logout the targets
==================
$ IP=`cat /etc/ceph/iscsi-gateway.cfg |grep 'trusted_ip_list' | awk -F'[, ]' '{print $3}'`
> sudo iscsiadm -m node -T iqn.2003-01.com.redhat.iscsi-gw:ceph-gw -p $IP:3260 -u | grep 'successful' | awk -F']' '{print $2}'
successful.
$ IP=`cat /etc/ceph/iscsi-gateway.cfg |grep 'trusted_ip_list' | awk -F'[, ]' '{print $4}'`
> sudo iscsiadm -m node -T iqn.2003-01.com.redhat.iscsi-gw:ceph-gw -p $IP:3260 -u | grep 'successful' | awk -F']' '{print $2}'
successful.
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