Hedvig: Basic iSCSI initiator setup over ESXI and VM (rdm mode)

iSCSI on VM

• Software iSCSI initiator have to be setup for access to luns in VM.

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[root@localhost ~]# yum -y install iscsi-initiator-utils [root@localhost ~]# vi /etc/iscsi/initiatorname.iscsi InitiatorName=iqn.2012-05.com.hedvig:storage.proxy.bostonhpc.in-2 [root@localhost ~]# service iscsi restart [root@localhost ~]# iscsiadm --mode discovery --type sendtargets --portal 10.2.2.10 10.2.2.10:3260,1 iqn.2012-05.com.hedvig:storage.proxy.bostonhpc.in-2 [root@localhost ~]# iscsiadm --mode node --targetname iqn.2012-05.com.hedvig:storage.proxy.bostonhpc.in-2 --portal 10.2.2.10 --login [root@localhost ~]# lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sr0 11:0 1 1024M 0 rom sda 8:0 0 20G 0 disk ââsda1 8:1 0 500M 0 part /boot ââsda2 8:2 0 19.5G 0 part

 ââVolGroup-lv_root (dm-0) 253:0    0 17.5G  0 lvm  /
 ââVolGroup-lv_swap (dm-1) 253:1    0    2G  0 lvm  [SWAP]
sdb                           8:16   0   30G  0 disk /mnt

[root@localhost ~]# mkfs.ext4 /dev/sdb [root@localhost ~]# blkid | grep "/dev/sdb" /dev/sdb: UUID="948449ab-6c41-4a81-b05f-51ec4e3847cf" TYPE="ext4" [root@localhost ~]# echo UUID="948449ab-6c41-4a81-b05f-51ec4e3847cf" >> /etc/fstab [root@localhost ~]# vi /etc/fstab .. ... UUID=948449ab-6c41-4a81-b05f-51ec4e3847cf /mnt ext4 _netdev 0 0

[root@localhost ~]# mkdir -p /mnt/blkdemo [root@localhost ~]# mount /dev/sdb /mnt/blkdemo/ [root@localhost ~]# cd /mnt/blkdemo/ [root@localhost blkdemo]# dd if=/dev/urandom of=test3.img bs=1024 count=1000000 1000000+0 records in 1000000+0 records out 1024000000 bytes (1.0 GB) copied, 122.734 s, 8.3 MB/s [root@localhost blkdemo]# ls -lh total 977M -rw-r--r-- 1 root root 0 Jul 28 21:43 block drwx------ 2 root root 16K Jul 28 21:41 lost+found -rw-r--r-- 1 root root 977M Jul 28 21:57 test3.img

wola!! <nowiki>