DM Resize a DM-Multipath Device
Jump to navigation
Jump to search
Resize an Online Multipath Device
- Resize the LUN on the storage subsystem.
- Find and record the device paths to the LUN.
- # multipath -l
- Resize the the SCSI block device.
- # echo 1 > /sys/block/<block device>/device/rescan
- Resize the multipath device.
- # multipathd -k'resize map <multipath device>'
- Resize the filesystem.
- # resize2fs /dev/mapper/<multipath device>