RHEL: Remove existing SAN LUNs

RHEL: Remove existing SAN LUNs

# Tested on RHEL 5 & 6

# Given following LUN, for instance:

multipath -ll
[...]
   3600508b4000971cd0001000022fa0000 dm-0 HP,HSV210
   [size=2.0G][features=0][hwhandler=0][rw]
   \_ round-robin 0 [prio=0][active]
    \_ 1:0:0:3 sdc        8:32   [active][undef]
    \_ 1:0:2:3 sdk        8:160  [active][undef]
    \_ 2:0:0:3 sds        65:32  [active][undef]
    \_ 2:0:1:3 sdw        65:96  [active][undef]
   \_ round-robin 0 [prio=0][enabled]
    \_ 2:0:2:3 sdaa       65:160 [active][undef]
    \_ 2:0:3:3 sdae       65:224 [active][undef]
    \_ 1:0:1:3 sdg        8:96   [active][undef]
    \_ 1:0:3:3 sdo        8:224  [active][undef]



# Run following commands to remove it from the system:

multipath -f 3600508b4000971cd0001000022fa0000
echo 1>/sys/block/sdc/device/delete
echo 1>/sys/block/sdk/device/delete
echo 1>/sys/block/sds/device/delete
echo 1>/sys/block/sdw/device/delete
echo 1>/sys/block/sdaa/device/delete
echo 1>/sys/block/sdae/device/delete
echo 1>/sys/block/sdg/device/delete
echo 1>/sys/block/sdo/device/delete




# Take care of not running any HBA rescan before definitively detaching LUNs from server.
0 (0)
Article Rating (No Votes)
Rate this article
Attachments
There are no attachments for this article.
Comments
There are no comments for this article. Be the first to post a comment.
Full Name
Email Address
Security Code Security Code
Related Articles RSS Feed
LVM: Reduce an existing Volume Group by removing one of its disks
Viewed 2660 times since Sat, Jun 2, 2018
Linux - How to shutdown or reboot
Viewed 2307 times since Fri, Jun 8, 2018
Top 20 OpenSSH Server Best Security Practices ssh linux aix
Viewed 6204 times since Fri, May 15, 2020
Managing temporary files with systemd-tmpfiles on Red Hat Enterprise Linux 7
Viewed 9845 times since Sun, Nov 22, 2020
RHEL: Allowing users to ’su’ to "root" / Allowing ’root’ to login directly to the system using ’ssh’
Viewed 3054 times since Sat, Jun 2, 2018
Increase A VMware Disk Size (VMDK) Formatted As Linux LVM without rebooting
Viewed 15679 times since Wed, May 30, 2018
12 Linux Rsync Options in Linux Explained
Viewed 12235 times since Wed, Oct 31, 2018
RHEL: Rename a network interface on RHEL 7
Viewed 10847 times since Sat, Jun 2, 2018
3 Ways to Check Linux Kernel Version in Command Line
Viewed 11818 times since Fri, Apr 19, 2019
Prosty skaner portów TCP w bash
Viewed 3477 times since Thu, May 24, 2018