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# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
# From http://redfish.dmtf.org/schemas/swordfish/v1/Volume.json
import enum
# FIXME(dtantsur): this is deprecated in favour of InitializeMethod
class VolumeInitializeType(enum.Enum):
FAST = 'Fast'
"""The volume is prepared for use quickly, typically by erasing just the
beginning and end of the space so that partitioning can be performed."""
SLOW = 'Slow'
"""The volume is prepared for use slowly, typically by completely
erasing the volume."""
# Backward compatibility
VOLUME_INIT_TYPE_FAST = VolumeInitializeType.FAST
VOLUME_INIT_TYPE_SLOW = VolumeInitializeType.SLOW
class VolumeType(enum.Enum):
RAW_DEVICE = 'RawDevice'
"""The volume is a raw physical device without any RAID or other
virtualization applied."""
NON_REDUNDANT = 'NonRedundant'
"""The volume is a non-redundant storage device."""
MIRRORED = 'Mirrored'
"""The volume is a mirrored device."""
STRIPED_WITH_PARITY = 'StripedWithParity'
"""The volume is a device which uses parity to retain redundant
information."""
SPANNED_MIRRORS = 'SpannedMirrors'
"""The volume is a spanned set of mirrored devices."""
SPANNED_STRIPES_WITH_PARITY = 'SpannedStripesWithParity'
"""The volume is a spanned set of devices which uses parity to retain
redundant information."""
# Backward compatibility
VOLUME_TYPE_RAW_DEVICE = VolumeType.RAW_DEVICE
VOLUME_TYPE_NON_REDUNDANT = VolumeType.NON_REDUNDANT
VOLUME_TYPE_MIRRORED = VolumeType.MIRRORED
VOLUME_TYPE_STRIPED_WITH_PARITY = VolumeType.STRIPED_WITH_PARITY
VOLUME_TYPE_SPANNED_MIRRORS = VolumeType.SPANNED_MIRRORS
VOLUME_TYPE_SPANNED_STRIPES_WITH_PARITY = \
VolumeType.SPANNED_STRIPES_WITH_PARITY
class RAIDType(enum.Enum):
RAID0 = 'RAID0'
"""A placement policy where consecutive logical blocks of data are
uniformly distributed across a set of independent storage devices
without offering any form of redundancy."""
RAID1 = 'RAID1'
"""A placement policy where each logical block of data is stored on more
than one independent storage device."""
RAID3 = 'RAID3'
"""A placement policy using parity-based protection where logical bytes
of data are uniformly distributed across a set of independent storage
devices and where the parity is stored on a dedicated independent
storage device."""
RAID4 = 'RAID4'
"""A placement policy using parity-based protection where logical blocks
of data are uniformly distributed across a set of independent storage
devices and where the parity is stored on a dedicated independent
storage device."""
RAID5 = 'RAID5'
"""A placement policy using parity-based protection for storing stripes
of 'n' logical blocks of data and one logical block of parity across
a set of 'n+1' independent storage devices where the parity and data
blocks are interleaved across the storage devices."""
RAID6 = 'RAID6'
"""A placement policy using parity-based protection for storing stripes
of 'n' logical blocks of data and two logical blocks of independent
parity across a set of 'n+2' independent storage devices where the
parity and data blocks are interleaved across the storage devices."""
RAID10 = 'RAID10'
"""A placement policy that creates a striped device (RAID 0) over a set
of mirrored devices (RAID 1)."""
RAID01 = 'RAID01'
"""A data placement policy that creates a mirrored device (RAID 1) over
a set of striped devices (RAID 0)."""
RAID6TP = 'RAID6TP'
"""A placement policy that uses parity-based protection for storing
stripes of 'n' logical blocks of data and three logical blocks of
independent parity across a set of 'n+3' independent storage devices
where the parity and data blocks are interleaved across the storage
devices."""
RAID1E = 'RAID1E'
"""A placement policy that uses a form of mirroring implemented over a
set of independent storage devices where logical blocks are
duplicated on a pair of independent storage devices so that data is
uniformly distributed across the storage devices."""
RAID50 = 'RAID50'
"""A placement policy that uses a RAID 0 stripe set over two or more
RAID 5 sets of independent storage devices."""
RAID60 = 'RAID60'
"""A placement policy that uses a RAID 0 stripe set over two or more
RAID 6 sets of independent storage devices."""
RAID00 = 'RAID00'
"""A placement policy that creates a RAID 0 stripe set over two or more
RAID 0 sets."""
RAID10E = 'RAID10E'
"""A placement policy that uses a RAID 0 stripe set over two or more
RAID 10 sets."""
RAID1_TRIPLE = 'RAID1Triple'
"""A placement policy where each logical block of data is mirrored three
times across a set of three independent storage devices."""
RAID10_TRIPLE = 'RAID10Triple'
"""A placement policy that uses a striped device (RAID 0) over a set of
triple mirrored devices (RAID 1Triple)."""
NONE = 'None'
"""A placement policy with no redundancy at the device level."""
# Backward compatibility
RAID_TYPE_RAID0 = RAIDType.RAID0
RAID_TYPE_RAID1 = RAIDType.RAID1
RAID_TYPE_RAID3 = RAIDType.RAID3
RAID_TYPE_RAID4 = RAIDType.RAID4
RAID_TYPE_RAID5 = RAIDType.RAID5
RAID_TYPE_RAID6 = RAIDType.RAID6
RAID_TYPE_RAID10 = RAIDType.RAID10
RAID_TYPE_RAID01 = RAIDType.RAID01
RAID_TYPE_RAID6TP = RAIDType.RAID6TP
RAID_TYPE_RAID1E = RAIDType.RAID1E
RAID_TYPE_RAID50 = RAIDType.RAID50
RAID_TYPE_RAID60 = RAIDType.RAID60
RAID_TYPE_RAID00 = RAIDType.RAID00
RAID_TYPE_RAID10E = RAIDType.RAID10E
RAID_TYPE_RAID1Triple = RAIDType.RAID1_TRIPLE
RAID_TYPE_RAID10Triple = RAIDType.RAID10_TRIPLE
RAID_TYPE_NONE = RAIDType.NONE
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