openstack
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manila
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Add compression in common capabilities doc 

Compression is a common attribute, so add
the compression capability in common capabilities
doc.

Change-Id: I97ca506c7d6be627079c28191d0fb3ab2470ffed
This commit is contained in:
zhongjun 2015-08-19 15:14:53 +08:00
parent 6991d0d22a
commit 238f5e6e78
1 changed files with 13 additions and 1 deletions
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14
doc/source/devref/capabilities_and_extra_specs.rst
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@ -63,6 +63,15 @@ be created.
prevent a share type from using deduplication by setting this extra-spec to
'<is> False'. Added in Liberty.
* `compression` - indicates that a backend/pool can provide shares using some
compression technology. The default value of the compression capability (if a
driver doesn't report it) is False. Drivers cannot report to the scheduler
that they support both compression and non-compression. For each pool it's
either always on or always off. Administrators can make a share type use
compression by setting this extra-spec to '<is> True'. Administrators can
prevent a share type from using compression by setting this extra-spec to
'<is> False'. Added in Liberty.
* `thin_provisioning` - shares will not be space guaranteed and
overprovisioning will be enabled. This capability defaults to False.
Backends/pools that support thin provisioning must report True for this
@ -104,13 +113,15 @@ example vendor prefix:
'my_capability_2': True, # stats & capabilities
#/
'pools': [
{'pool_name': 'thin-dedupe pool', #\
{'pool_name':
'thin-dedupe-compression pool', #\
'total_capacity_gb': 500, # mandatory stats for
'free_capacity_gb': 230, # pools
'QoS_support': 'False', # |
'reserved_percentage': 0, #/
#\
'dedupe': True, # common capabilities
'compression': True, #
'thin_provisioning': True, #
'max_over_subscription_ratio': 10, # (mandatory for thin)
'provisioned_capacity_gb': 270, # (mandatory for thin)
@ -126,6 +137,7 @@ example vendor prefix:
'QoS_support': 'False',
'reserved_percentage': 0,
'dedupe': False,
'compression': False,
'thin_provisioning': False,
'my_dying_disks': 200,
'my_super_hero_1': 'Batman',