Openfiler ISCSI LUN persistent naming using UDEV

SCSI device sda: 90275840 512-byte hdwr sectors (46221 MB)
SCSI device sda: drive cache: write back
SCSI device sda: 90275840 512-byte hdwr sectors (46221 MB)
SCSI device sda: drive cache: write back
  Vendor: OPNFILER  Model: VIRTUAL-DISK      Rev: 0
SCSI device sdb: 4194304 512-byte hdwr sectors (2147 MB)
  Vendor: OPNFILER  Model: VIRTUAL-DISK      Rev: 0
SCSI device sdc: 4194304 512-byte hdwr sectors (2147 MB)
  Vendor: OPNFILER  Model: VIRTUAL-DISK      Rev: 0
SCSI device sdd: 4194304 512-byte hdwr sectors (2147 MB)
  Vendor: OPNFILER  Model: VIRTUAL-DISK      Rev: 0
SCSI device sde: 4194304 512-byte hdwr sectors (2147 MB)
  Vendor: OPNFILER  Model: VIRTUAL-DISK      Rev: 0
SCSI device sdf: 4194304 512-byte hdwr sectors (2147 MB)

[root@vmxdb02 ~]# lsscsi
[0:0:0:0]    disk    ATA      VBOX HARDDISK    1.0   /dev/sda
[1:0:0:0]    disk    OPNFILER VIRTUAL-DISK     0     /dev/sdb
[1:0:0:1]    disk    OPNFILER VIRTUAL-DISK     0     /dev/sdc
[1:0:0:2]    disk    OPNFILER VIRTUAL-DISK     0     /dev/sdd
[1:0:0:3]    disk    OPNFILER VIRTUAL-DISK     0     /dev/sde
[1:0:0:4]    disk    OPNFILER VIRTUAL-DISK     0     /dev/sdf

[root@vmxdb02 ~]# ls -l /dev/disk/by-id/
total 0
lrwxrwxrwx 1 root root  9 Dec 15 09:12 ata-VBOX_CD-ROM_VB2-01700376 -> ../../hdc
lrwxrwxrwx 1 root root  9 Dec 15 09:30 scsi-14f504e46494c45003079486253592d664130732d4d316730 -> ../../sdc
lrwxrwxrwx 1 root root  9 Dec 15 09:30 scsi-14f504e46494c45004e72793839712d444b536c2d7a453543 -> ../../sdf
lrwxrwxrwx 1 root root  9 Dec 15 09:30 scsi-14f504e46494c45005556417744532d757952702d58783772 -> ../../sde
lrwxrwxrwx 1 root root  9 Dec 15 09:30 scsi-14f504e46494c45006531506a52412d625645702d79354674 -> ../../sdd
lrwxrwxrwx 1 root root  9 Dec 15 09:30 scsi-14f504e46494c450074324f794a562d335134562d626f756e -> ../../sdb
lrwxrwxrwx 1 root root  9 Dec 15 09:12 scsi-SATA_VBOX_HARDDISK_VB3b4884d5-bc4c8fd3 -> ../../sda
lrwxrwxrwx 1 root root 10 Dec 15 09:12 scsi-SATA_VBOX_HARDDISK_VB3b4884d5-bc4c8fd3-part1 -> ../../sda1
lrwxrwxrwx 1 root root 10 Dec 15 09:12 scsi-SATA_VBOX_HARDDISK_VB3b4884d5-bc4c8fd3-part2 -> ../../sda2

[root@vmxdb02 ~]# scsi_id -gus /block/sdc
14f504e46494c45003079486253592d664130732d4d316730

[root@vmxdb02 ~]# vi /etc/udev/rules.d/55-iscsi.rules
[root@vmxdb02 ~]# cat /etc/udev/rules.d/55-iscsi.rules
# /dev/iscsi/asmdisk1
KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id -gus %p",
RESULT=="14f504e46494c450074324f794a562d335134562d626f756e", SYMLINK+="iscsi/asmdisk1p%n", OWNER="grid", GROUP="oinstall", MODE="0660"

# /dev/iscsi/asmdisk2
KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id -gus %p",
RESULT=="14f504e46494c45003079486253592d664130732d4d316730", SYMLINK+="iscsi/asmdisk2p%n", OWNER="grid", GROUP="oinstall", MODE="0660"

# /dev/iscsi/asmdisk3
KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id -gus %p",
RESULT=="14f504e46494c45006531506a52412d625645702d79354674", SYMLINK+="iscsi/asmdisk3p%n", OWNER="grid", GROUP="oinstall", MODE="0660"

# /dev/iscsi/asmdisk4
KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id -gus %p",
RESULT=="14f504e46494c45005556417744532d757952702d58783772", SYMLINK+="iscsi/asmdisk4p%n", OWNER="grid", GROUP="oinstall", MODE="0660"

# /dev/iscsi/asmdisk5
KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id -gus %p",
RESULT=="14f504e46494c45004e72793839712d444b536c2d7a453543", SYMLINK+="iscsi/asmdisk5p%n", OWNER="grid", GROUP="oinstall", MODE="0660"

[root@vmxdb02 ~]# udevcontrol reload_rules
[root@vmxdb02 ~]# start_udev
Starting udev: 
                                                          [  OK  ]

[root@vmxdb02 ~]# ls -l /dev/iscsi/asmdisk*
lrwxrwxrwx 1 root root 6 Dec 15 09:57 /dev/iscsi/asmdisk1p -> ../sdb
lrwxrwxrwx 1 root root 6 Dec 15 09:57 /dev/iscsi/asmdisk2p -> ../sdc
lrwxrwxrwx 1 root root 6 Dec 15 09:57 /dev/iscsi/asmdisk3p -> ../sdd
lrwxrwxrwx 1 root root 6 Dec 15 09:57 /dev/iscsi/asmdisk4p -> ../sde
lrwxrwxrwx 1 root root 6 Dec 15 09:57 /dev/iscsi/asmdisk5p -> ../sdf

[root@vmxdb02 ~]# ls -l /dev/sd*
brw-r----- 1 root disk     8,  0 Dec 15 09:12 /dev/sda
brw-r----- 1 root disk     8,  1 Dec 15 09:12 /dev/sda1
brw-r----- 1 root disk     8,  2 Dec 15 09:12 /dev/sda2
brw-rw---- 1 grid oinstall 8, 16 Dec 15 09:57 /dev/sdb
brw-rw---- 1 grid oinstall 8, 32 Dec 15 09:57 /dev/sdc
brw-rw---- 1 grid oinstall 8, 48 Dec 15 09:57 /dev/sdd
brw-rw---- 1 grid oinstall 8, 64 Dec 15 09:57 /dev/sde
brw-rw---- 1 grid oinstall 8, 80 Dec 15 09:57 /dev/sdf