LUN

wikipedia:Logical unit number (LUN) is a number used to identify a logical unit.

Messages after resize a LUN:

May 07 14:49:17 SERVER_NAME kernel: sd 3:0:1:0: Capacity data has changed

Related commands: pvresize, lvextend

Activities

• Review Top LUN issues and solutions from NetApp: https://kb.netapp.com/app/answers/answer_view/a_id/1002714
• Discover new LUNs using: rescan-scsi-bus.sh
• Review status or your multipath LUNs: multipath -ll
• ONTAP: lun show
  • Resize size of your LUN and check operating systems messages
  • Understand NetAPP Aggregates
• Linux: Multipath: remove multipath device unpresented to host

Related terms

• namespace basic unit of storage in NVMe

See also

• Fibre Channel: SAN, HBA, LUN, WWN, WWPN, LIF, rescan-scsi-bus.sh
• Fibre Channel: HBA, multipath-tools, multipath, multipath -ll, /etc/multipath.conf multipathd rescan-scsi-bus.sh powermt Device mapper dmsetup ls,
• Lun mapping and LUN masking
• LIF NetApp Logical Interface
• Super Logical Unit Reset (SLUR)
• NetApp, NetApp FAS: ONTAP, NetApp Metrocluster, SVM, LIF, NetApp FAS model history, NetAPP Aggregate, FabricPool, FlexGroup, FlexCache, FlexVol, Spot.io, Ocean