openstack/cinder
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Merge "PowerMax Docs - Short host and port group name changes"

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Zuul 2019-10-02 20:26:07 +00:00 committed by Gerrit Code Review
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doc/source/configuration/block-storage/drivers/dell-emc-powermax-driver.rst
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@ -144,6 +144,37 @@ PowerMax drivers also support the following features:
PowerMax naming conventions
===========================
.. note::
shortHostName will be altered using the following formula, if its length
exceeds 16 characters. This is because the storage group and masking view
names cannot exceed 64 characters:
.. code-block:: text
if len(shortHostName) > 16:
1. Perform md5 hash on the shortHostName
2. Convert output of 1. to hex
3. Take last 6 characters of shortHostName and append output of 2.
4. If the length of output of 3. exceeds 16 characters
5. Add the first 8 characters and last 8 characters together
.. note::
portgroup_name will be altered using the following formula, if its length
exceeds 12 characters. This is because the storage group and masking view
names cannot exceed 64 characters:
.. code-block:: text
if len(portgroup_name) > 12:
1. Perform md5 hash on the portgroup_name
2. Convert output of 1. to hex
3. Take last 6 characters of portgroup_name and append output of 2.
4. If the length of output of 3. exceeds 12 characters
5. Add the first 6 characters and last 6 characters together
Masking view names
------------------