florian.haas at linbit
Jun 23, 2009, 6:01 AM
Post #1 of 1
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[PATCH 3 of 3] iSCSILogicalUnit: add support for per-LU parameters
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# HG changeset patch
# User Florian Haas <florian.haas[at]linbit.com>
# Date 1245761391 -7200
# Node ID 1d94c4de42ede9bfd120d3ca096421db8bee8cc2
# Parent 720e09be75f065024570525f413231b1fd88bcb4
iSCSILogicalUnit: add support for per-LU parameters
This patch adds support for parameters at the LU level. This comes in
handy if one wishes to assign custom SCSI IDs, serial numbers, and the
like.
diff -r 720e09be75f0 -r 1d94c4de42ed resources/OCF/iSCSILogicalUnit
--- a/resources/OCF/iSCSILogicalUnit Tue Jun 23 14:49:51 2009 +0200
+++ b/resources/OCF/iSCSILogicalUnit Tue Jun 23 14:49:51 2009 +0200
@@ -92,6 +92,17 @@
<content type="string" />
</parameter>
+<parameter name="params" required="0" unique="0">
+<longdesc lang="en">
+LU parameters. A space-separated list of "name=value" pairs which
+will be passed through to the iSCSI daemon's management interface. The
+supported parameters are implementation dependent. Neither the name
+nor the value may contain whitespace.
+</longdesc>
+<shortdesc lang="en">List of iSCSI LU parameters</shortdesc>
+<content type="string" />
+</parameter>
+
</parameters>
<actions>
@@ -146,18 +157,33 @@
return $OCF_SUCCESS
fi
+ local params
+
case $OCF_RESKEY_implementation in
iet)
+ # in IET, we have to set LU parameters on creation
+ params="Path=${OCF_RESKEY_path} ${OCF_RESKEY_params}"
do_cmd ietadm --op new \
--tid=${OCF_RESKEY_tid} \
--lun=${OCF_RESKEY_lun} \
- --params Path=${OCF_RESKEY_path} && return $OCF_SUCCESS
+ --params ${params// /,} && return $OCF_SUCCESS
;;
tgt)
+ # tgt requires that we create the LU first, then set LU
+ # parameters
+ params="${OCF_RESKEY_params}"
do_cmd tgtadm --lld iscsi --op new --mode logicalunit \
--tid=${OCF_RESKEY_tid} \
--lun=${OCF_RESKEY_lun} \
- --backing-store ${OCF_RESKEY_path} && return $OCF_SUCCESS
+ --backing-store ${OCF_RESKEY_path} || return $OCF_ERR_GENERIC
+ if [ -z "$params" ]; then
+ return $OCF_SUCCESS
+ else
+ do_cmd tgtadm --lld iscsi --op update --mode logicalunit \
+ --tid=${OCF_RESKEY_tid} \
+ --lun=${OCF_RESKEY_lun} \
+ --params ${params// /,} && return $OCF_SUCCESS
+ fi
;;
esac
return $OCF_ERR_GENERIC
diff -r 720e09be75f0 -r 1d94c4de42ed resources/OCF/iSCSITarget
--- a/resources/OCF/iSCSITarget Tue Jun 23 14:49:51 2009 +0200
+++ b/resources/OCF/iSCSITarget Tue Jun 23 14:49:51 2009 +0200
@@ -88,7 +88,8 @@
<longdesc lang="en">
Target parameters. A space-separated list of "name=value" pairs which
will be passed through to the iSCSI daemon's management interface. The
-supported parameters are implementation dependent.
+supported parameters are implementation dependent. Neither the name
+nor the value may contain whitespace.
</longdesc>
<shortdesc lang="en">List of iSCSI target parameters</shortdesc>
<content type="string" />
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