DM Resize a DM-Multipath Device: Difference between revisions
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(Created page with "== Resize an Online Multipath Device== # Resize the LUN on the storage subsystem. # Find and record the device paths to the LUN. ## <tt>'''# multipath -l'''</tt> # Resize the ...") |
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== 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. | ||
# | #: <tt>'''# multipath -l'''</tt> | ||
# Resize the the SCSI block device. | # Resize the the SCSI block device. | ||
# | #: <tt>'''# echo 1 > /sys/block/<device>/device/rescan'''</tt> | ||
# Resize the multipath device. | # Resize the multipath device. | ||
# | #: <tt>'''# multipathd -k resize map <multipath_device>'''</tt> | ||
# Resize the filesystem. | # Resize the filesystem (assuming no LVM or DOS partitions are used). | ||
# | #: <tt>'''# resize2fs /dev/mapper/<multipath_device>'''</tt> | ||
== Further Reading == | |||
# [https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/DM_Multipath/MPIO_admin-troubleshoot.html#online_device_resize Resizing an Online Multipath Device] | |||
[[Category:Linux]] | |||
Latest revision as of 03:32, 28 January 2022
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/<device>/device/rescan
- Resize the multipath device.
- # multipathd -k resize map <multipath_device>
- Resize the filesystem (assuming no LVM or DOS partitions are used).
- # resize2fs /dev/mapper/<multipath_device>