Merge "[config-ref] Deprecate storwize multipath option"

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Jenkins 2016-02-26 11:19:18 +00:00 committed by Gerrit Code Review
commit 260ca41883

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@ -20,7 +20,7 @@ one iSCSI IP address. The IBM Storwize/SVC driver uses an iSCSI IP
address associated with the volume's preferred node (if available) to
attach the volume to the instance, otherwise it uses the first available
iSCSI IP address of the system. The driver obtains the iSCSI IP address
directly from the storage system; you do not need to provide these iSCSI
directly from the storage system. You do not need to provide these iSCSI
IP addresses directly to the driver.
.. note::
@ -35,14 +35,10 @@ IP addresses directly to the driver.
documentation), multipath is enabled.
If using Fibre Channel (FC), each Storwize family or SVC node should
have at least one WWPN port configured. If the
``storwize_svc_multipath_enabled`` flag is set to ``True`` in the Cinder
configuration file, the driver uses all available WWPNs to attach the
volume to the instance. If the flag is not
set, the driver uses the WWPN associated with the volume's preferred
node (if available), otherwise it uses the first available WWPN of the
system. The driver obtains the WWPNs directly from the storage system;
you do not need to provide these WWPNs directly to the driver.
have at least one WWPN port configured. The driver uses all available
WWPNs to attach the volume to the instance. The driver obtains the
WWPNs directly from the storage system. You do not need to provide
these WWPNs directly to the driver.
.. note::
@ -161,9 +157,17 @@ Enable the Storwize family and SVC driver
Set the volume driver to the Storwize family and SVC driver by setting
the ``volume_driver`` option in the ``cinder.conf`` file as follows:
iSCSI:
.. code-block:: ini
volume_driver = cinder.volume.drivers.ibm.storwize_svc.StorwizeSVCDriver
volume_driver = cinder.volume.drivers.ibm.storwize_svc.storwize_svc_iscsi.StorwizeSVCISCSIDriver
FC:
.. code-block:: ini
volume_driver = cinder.volume.drivers.ibm.storwize_svc.storwize_svc_fc.StorwizeSVCFCDriver
.. _config_flags:
@ -236,26 +240,18 @@ be over-ridden using volume types, which are described below.
- Optional
- 120
- FlashCopy timeout threshold [6]_ (seconds)
* - ``storwize_svc_connection_protocol``
- Optional
- iSCSI
- Connection protocol to use (currently supports 'iSCSI' or 'FC')
* - ``storwize_svc_iscsi_chap_enabled``
- Optional
- True
- Configure CHAP authentication for iSCSI connections
* - ``storwize_svc_multipath_enabled``
- Optional
- False
- Enable multipath for FC connections [7]_
* - ``storwize_svc_multihost_enabled``
- Optional
- True
- Enable mapping vdisks to multiple hosts [8]_
- Enable mapping vdisks to multiple hosts [7]_
* - ``storwize_svc_vol_nofmtdisk``
- Optional
- False
- Enable or disable fast format [9]_
- Enable or disable fast format [8]_
.. [1]
The authentication requires either a password (``san_password``) or
@ -297,11 +293,6 @@ be over-ridden using volume types, which are described below.
seconds (10 minutes).
.. [7]
Multipath for iSCSI connections requires no storage-side
configuration and is enabled if the compute host has multipath
configured.
.. [8]
This option allows the driver to map a vdisk to more than one host at
a time. This scenario occurs during migration of a virtual machine
with an attached volume; the volume is simultaneously mapped to both
@ -309,7 +300,7 @@ be over-ridden using volume types, which are described below.
require attaching vdisks to multiple hosts, setting this flag to
``False`` will provide added safety.
.. [9]
.. [8]
Defines whether or not the fast formatting of thick-provisioned
volumes is disabled at creation. The default value is ``False`` and a
value of ``True`` means that fast format is disabled. Details about