DM Resize a DM-Multipath Device: Difference between revisions

From UNIX Systems Administration
Jump to navigation Jump to search
No edit summary
No edit summary
Line 1: Line 1:
== Resize an Online Multipath Device==
== Resize an Online Multipath Device ==
# Resize the LUN on the storage subsystem.
# Resize the LUN on the storage subsystem.
# Find and record the device paths to the LUN.
# Find and record the device paths to the LUN.

Revision as of 18:11, 21 January 2015

Resize an Online Multipath Device

  1. Resize the LUN on the storage subsystem.
  2. Find and record the device paths to the LUN.
    1. # multipath -l
  3. Resize the the SCSI block device.
    1. # echo 1 > /sys/block/<block device>/device/rescan
  4. Resize the multipath device.
    1. # multipathd -k'resize map <multipath device>'
  5. Resize the filesystem.
    1. # resize2fs /dev/mapper/<multipath device>

Further Reading

  1. Resizing an Online Multipath Device
Retrieved from "http://www.outlandsmud.com/wiki/index.php?title=DM_Resize_a_DM-Multipath_Device&oldid=602"