diff options
Diffstat (limited to 'nova/conf/hyperv.py')
| -rw-r--r-- | nova/conf/hyperv.py | 34 |
1 files changed, 22 insertions, 12 deletions
diff --git a/nova/conf/hyperv.py b/nova/conf/hyperv.py index 159f0ba203..3ee2589f2e 100644 --- a/nova/conf/hyperv.py +++ b/nova/conf/hyperv.py @@ -84,11 +84,9 @@ in order to limit the CPU features used by the instance. help=""" Mounted disk query retry count -The number of times to retry checking for a disk mounted via iSCSI. -During long stress runs the WMI query that is looking for the iSCSI -device number can incorrectly return no data. If the query is -retried the appropriate data can then be obtained. The query runs -until the device can be found or the retry count is reached. +The number of times to retry checking for a mounted disk. +The query runs until the device can be found or the retry +count is reached. Possible values: @@ -106,7 +104,7 @@ Related options: help=""" Mounted disk query retry interval -Interval between checks for a mounted iSCSI disk, in seconds. +Interval between checks for a mounted disk, in seconds. Possible values: @@ -259,12 +257,8 @@ Related options: help=""" Volume attach retry count -The number of times to retry to attach a volume. This option is used -to avoid incorrectly returned no data when the system is under load. -Volume attachment is retried until success or the given retry count -is reached. To prepare the Hyper-V node to be able to attach to -volumes provided by cinder you must first make sure the Windows iSCSI -initiator service is running and started automatically. +The number of times to retry attaching a volume. Volume attachment +is retried until success or the given retry count is reached. Possible values: @@ -321,6 +315,22 @@ extra specs: Windows / Hyper-V Server 2016. Acceptable values:: 64, 128, 256, 512, 1024 +"""), + cfg.BoolOpt('use_multipath_io', + default=False, + help=""" +Use multipath connections when attaching iSCSI or FC disks. + +This requires the Multipath IO Windows feature to be enabled. MPIO must be +configured to claim such devices. +"""), + cfg.ListOpt('iscsi_initiator_list', + default=[], + help=""" +List of iSCSI initiators that will be used for estabilishing iSCSI sessions. + +If none are specified, the Microsoft iSCSI initiator service will choose the +initiator. """) ] |