Ubuntu iscsi initiator (openiscsi). Подключение массивов с Netapp.

Предельно просто:

Устанавливаем инициатор

# apt-get install open-iscsi
# /etc/init.d/open-iscsi start

Проверяем что доступно на контроллере хранилища:

# iscsiadm -m discovery -t st -p 172.17.101.7

172.17.101.7:3260,2000 iqn.1992-08.com.netapp:sn.0135042482

# dmesg

[1916461.731194] sd 7:0:0:73: [sda] 1688408064 512-byte hardware sectors (864465 MB)
[1916461.731374] sd 7:0:0:73: [sda] Write Protect is off
[1916461.731380] sd 7:0:0:73: [sda] Mode Sense: bd 00 00 08
[1916461.731711] sd 7:0:0:73: [sda] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA
[1916461.732082] sd 7:0:0:73: [sda] 1688408064 512-byte hardware sectors (864465 MB)
[1916461.732255] sd 7:0:0:73: [sda] Write Protect is off
[1916461.732259] sd 7:0:0:73: [sda] Mode Sense: bd 00 00 08
[1916461.732581] sd 7:0:0:73: [sda] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA
[1916461.732587] sda: sda1
[1916461.732949] sd 7:0:0:73: [sda] Attached SCSI disk
[1916461.732991] sd 7:0:0:73: Attached scsi generic sg0 type 0
[1918313.020481] scsi8 : iSCSI Initiator over TCP/IP
[1918313.268343] scsi 8:0:0:73: Direct-Access NETAPP LUN 0.2 PQ: 0 ANSI: 4
[1918313.268864] sd 8:0:0:73: [sda] 1688408064 512-byte hardware sectors (864465 MB)
[1918313.269046] sd 8:0:0:73: [sda] Write Protect is off
[1918313.269049] sd 8:0:0:73: [sda] Mode Sense: bd 00 00 08
[1918313.269377] sd 8:0:0:73: [sda] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA
[1918313.269742] sd 8:0:0:73: [sda] 1688408064 512-byte hardware sectors (864465 MB)
[1918313.269916] sd 8:0:0:73: [sda] Write Protect is off
[1918313.269922] sd 8:0:0:73: [sda] Mode Sense: bd 00 00 08
[1918313.270248] sd 8:0:0:73: [sda] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA
[1918313.270256] sda: sda1
[1918313.270626] sd 8:0:0:73: [sda] Attached SCSI disk
[1918313.270665] sd 8:0:0:73: Attached scsi generic sg0 type 0

#iscsiadm -m node -T iqn.1992-08.com.netapp:sn.0135042482 --login

ls -al /dev/disk/by-id/
total 0
drwxr-xr-x 2 root root 360 2010-08-10 17:15 .
drwxr-xr-x 6 root root 120 2010-07-19 11:53 ..
lrwxrwxrwx 1 root root 16 2010-07-19 11:53 cciss-3600508b1001036303420202020200000 -> ../../cciss/c0d0
lrwxrwxrwx 1 root root 18 2010-07-19 11:53 cciss-3600508b1001036303420202020200000-part1 -> ../../cciss/c0d0p1
lrwxrwxrwx 1 root root 18 2010-07-19 11:53 cciss-3600508b1001036303420202020200000-part2 -> ../../cciss/c0d0p2
lrwxrwxrwx 1 root root 18 2010-07-19 11:53 cciss-3600508b1001036303420202020200000-part3 -> ../../cciss/c0d0p3
lrwxrwxrwx 1 root root 18 2010-07-19 11:53 cciss-3600508b1001036303420202020200000-part4 -> ../../cciss/c0d0p4
lrwxrwxrwx 1 root root 18 2010-07-19 11:53 cciss-3600508b1001036303420202020200000-part5 -> ../../cciss/c0d0p5
lrwxrwxrwx 1 root root 18 2010-07-19 11:53 cciss-3600508b1001036303420202020200000-part6 -> ../../cciss/c0d0p6
lrwxrwxrwx 1 root root 16 2010-07-19 11:53 edd-int13_dev80 -> ../../cciss/c0d0
lrwxrwxrwx 1 root root 18 2010-07-19 11:53 edd-int13_dev80-part1 -> ../../cciss/c0d0p1
lrwxrwxrwx 1 root root 18 2010-07-19 11:53 edd-int13_dev80-part2 -> ../../cciss/c0d0p2
lrwxrwxrwx 1 root root 18 2010-07-19 11:53 edd-int13_dev80-part3 -> ../../cciss/c0d0p3
lrwxrwxrwx 1 root root 18 2010-07-19 11:53 edd-int13_dev80-part4 -> ../../cciss/c0d0p4
lrwxrwxrwx 1 root root 18 2010-07-19 11:53 edd-int13_dev80-part5 -> ../../cciss/c0d0p5
lrwxrwxrwx 1 root root 18 2010-07-19 11:53 edd-int13_dev80-part6 -> ../../cciss/c0d0p6
lrwxrwxrwx 1 root root 9 2010-08-10 17:15 scsi-360a980005033534d675a4f7a6a774138 -> ../../sda
lrwxrwxrwx 1 root root 10 2010-08-10 17:15 scsi-360a980005033534d675a4f7a6a774138-part1 -> ../../sda1

Точно также подключаем все диски. Работаем с ними обычными утилитами - fdisk, mkfs*, mount.

В fstab в опциях монтирования используем _netdev, например:

# iSCSI
#UUID=6fd02688-cb1f-49ce-95f6-c749e6115e9a /srv ext3 _netdev 0 2
#LABEL=backup /mnt ext3 _netdev 0 2