環境:Ubuntu Server 12.04
網絡上有很多自動掛載磁盤陣列的文章,但是卸載磁盤陣列卻很少。本文嘗試卸載磁盤陣列,閱讀前請最好先看這篇文章Ubuntu Server12.04掛載磁盤陣列
步驟1:取消開機自動掛載
vim /etc/fstab
註釋掉下面兩行
# /iscsi was on /dev/sdb1 during installation
#UUID=50cb5268-d324-43bc-817e-8ac099d9c659 /iscsi ext4 defaults 0 2
保存退出。
步驟2:刪除target
iscsiadm -m node -T iqn.2002-10.com.infortrend:raid.uid277744.001 -p 10.0.10.1 -u
或者
iscsiadm -m node --logoutall=all
步驟3:刪除所有iscsi掛載的iqn和IP
cd /etc/iscsi
rm -rf initiatorname.iscsi
rm -rf nodes/
rm -rf send_targets/
步驟4:刪除iscsi發現記錄
iscsiadm -m node -o delete -T iqn.2002-10.com.infortrend:raid.uid277744.001 -p 10.0.10.1
步驟5:卸載所掛磁盤分區
umount /dev/sdb1
步驟6:刪除掛載點
rm -rf /iscsi
步驟結束後掛載的磁盤陣列已經不在,但是使用命令
/etc/init.d/networking restart
依然會出現如下所示的情況
* Running /etc/init.d/networking restart is deprecated because it may not enable again some interfaces
* Reconfiguring network interfaces... * Disconnecting iSCSI targets
...done.
* Stopping iSCSI initiator service
...done.
* Disconnecting iSCSI targets
...done.
* Stopping iSCSI initiator service
...done.
* Starting iSCSI initiator service iscsid
* Error: InitiatorName file /etc/iscsi/initiatorname.iscsi is missing!
* The iSCSI driver has not been correctly installed and cannot start.
run-parts: /etc/network/if-up.d/open-iscsi exited with return code 1
爲避免出現以下情況,我做了極端的做法。
sudo apt-get remove open-iscsi
rm -rf /etc/init.d/open-iscsi
sudo apt-get install open-iscsi
如果不介意上面的提示,可以忽略上面的極端做法。
步驟7:刪除或者註釋掉磁盤陣列IP網絡
ifconfig eth1 down
vim /etc/network/interfaces
註釋掉下面的內容
# The primary network interface
#auto eth1
#iface eth1 inet static
# address 10.0.10.10
# netmask 255.255.255.0
保存退出,電腦重啓即可。