dissect.volume.raid.stream

Module Contents

Classes

Level	RAID level identifiers.
Layout	RAID layout identifiers.
LinearStream	Implements a stream on a linear RAID set.
Zone
RAID0Stream	Implements a stream on a RAID0 set.
RAID456Stream	Implements a stream on a RAID5 set.
RAID10Stream	Implements a stream on a RAID10 set.

class dissect.volume.raid.stream.Level

Bases: enum.IntEnum

RAID level identifiers.

LINEAR

RAID0 = 0

RAID1 = 1

RAID3 = 3

RAID4 = 4

RAID5 = 5

RAID6 = 6

RAID10 = 10

class dissect.volume.raid.stream.Layout

Bases: enum.IntEnum

RAID layout identifiers.

“Coincidentally” these align with Linux MD.

LEFT_ASYMMETRIC = 0

RIGHT_ASYMMETRIC = 1

LEFT_SYMMETRIC = 2

RIGHT_SYMMETRIC = 3

PARITY_0 = 4

PARITY_N = 5

ROTATING_ZERO_RESTART = 8

ROTATING_N_RESTART = 9

ROTATING_N_CONTINUE = 10

LEFT_ASYMMETRIC_6 = 16

RIGHT_ASYMMETRIC_6 = 17

LEFT_SYMMETRIC_6 = 18

RIGHT_SYMMETRIC_6 = 19

PARITY_0_6 = 20

PARITY_N_6

class dissect.volume.raid.stream.LinearStream(virtual_disk: dissect.volume.raid.raid.VirtualDisk)

Bases: dissect.util.stream.MappingStream

Implements a stream on a linear RAID set.

class dissect.volume.raid.stream.Zone

Bases: NamedTuple

zone_end: int

dev_start: int

devices: list[tuple[int, dissect.volume.raid.raid.PhysicalDisk]]

class dissect.volume.raid.stream.RAID0Stream(virtual_disk: dissect.volume.raid.raid.VirtualDisk)

Bases: dissect.util.stream.AlignedStream

Implements a stream on a RAID0 set.

class dissect.volume.raid.stream.RAID456Stream(virtual_disk: dissect.volume.raid.raid.VirtualDisk)

Bases: dissect.util.stream.AlignedStream

Implements a stream on a RAID5 set.

class dissect.volume.raid.stream.RAID10Stream(virtual_disk: dissect.volume.raid.raid.VirtualDisk)

Bases: dissect.util.stream.AlignedStream

Implements a stream on a RAID10 set.