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lsluns: clarify discovery use case, relation to NPIV and to zfcp auto LUN scan

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Signed-off-by: Steffen Maier <maier@linux.vnet.ibm.com>
Reviewed-by: Jens Remus <jremus@linux.vnet.ibm.com>
Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
This commit is contained in:
Steffen Maier
2017-03-14 14:17:29 +01:00
committed by Michael Holzheu
parent e748fff347
commit 0daa7ba0b5
2 changed files with 21 additions and 0 deletions
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zconf/lsluns
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@@ -174,6 +174,9 @@ $PROGRAM_NAME [-c <busid>] ... [-p <wwpn>] ... [-h] [-v]
List LUNs discovered in the Fibre Channel (FC) Storage Area Network (SAN).
This causes extra SAN traffic for each target port WWPN.
Discovering LUNs only makes sense for NPIV-enabled FCP devices
without zfcp automatic LUN scan. zfcp automatic LUN scan is available
as of kernel version 2.6.37, if not disabled with zfcp.allow_lun_scan=0.
$PROGRAM_NAME -a [-c <busid>] ... [-p <wwpn>] ... [-h] [-v]