Lines Matching +full:linear +full:- +full:mapping +full:- +full:mode
1 # SPDX-License-Identifier: GPL-2.0-only
29 Software RAID mini-HOWTO, available from
44 a several-second delay in the boot time due to various
50 tristate "Linear (append) mode"
54 use the so-called linear mode, i.e. it will combine the hard disk
58 will be called linear.
63 tristate "RAID-0 (striping) mode"
67 use the so-called raid0 mode, i.e. it will combine the hard disk
73 Software-RAID mini-HOWTO, available from
83 tristate "RAID-1 (mirroring) mode"
86 A RAID-1 set consists of several disk drives which are exact copies
91 of a single drive, and the set protects against a failure of (N - 1)
95 Software-RAID mini-HOWTO, available from
99 If you want to use such a RAID-1 set, say Y. To compile this code
105 tristate "RAID-10 (mirrored striping) mode"
108 RAID-10 provides a combination of striping (RAID-0) and
109 mirroring (RAID-1) with easier configuration and more flexible
111 Unlike RAID-0, but like RAID-1, RAID-10 requires all devices to
114 RAID-10 provides a variety of layouts that provide different levels
117 RAID-10 requires mdadm-1.7.0 or later, available at:
124 tristate "RAID-4/RAID-5/RAID-6 mode"
133 A RAID-5 set of N drives with a capacity of C MB per drive provides
134 the capacity of C * (N - 1) MB, and protects against a failure
135 of a single drive. For a given sector (row) number, (N - 1) drives
137 For a RAID-4 set, the parity blocks are present on a single drive,
138 while a RAID-5 set distributes the parity across the drives in one
141 A RAID-6 set of N drives with a capacity of C MB per drive
142 provides the capacity of C * (N - 2) MB, and protects
144 (row) number, (N - 2) drives contain data sectors, and two
146 RAID-5, RAID-6 distributes the syndromes across the drives
150 Software-RAID mini-HOWTO, available from
154 If you want to use such a RAID-4/RAID-5/RAID-6 set, say Y. To
164 MD_MULTIPATH provides a simple multi-path personality for use
207 Device-mapper is a low level volume manager. It works by allowing
209 mapping types are available, in addition people may write their own
215 called dm-mod.
223 Enable this for messages that may help debug device-mapper problems.
232 as a cache, holding recently-read blocks in memory and performing
257 Some bio locking schemes used by other device-mapper targets
260 source "drivers/md/persistent-data/Kconfig"
267 RAID0 or dm-striped target.
277 This device-mapper target allows you to create a device that
281 For further information on dm-crypt and userspace tools see:
285 be called dm-crypt.
311 dm-cache attempts to improve performance of a block device by
345 dm-ebs emulates smaller logical block size on backing devices
355 dm-era tracks which parts of a block device are written to
365 dm-clone produces a one-to-one copy of an existing, read-only source
386 relaying the dm-dirty-log API to userspace. Log designs
402 A RAID-5 set of N drives with a capacity of C MB per drive provides
403 the capacity of C * (N - 1) MB, and protects against a failure
404 of a single drive. For a given sector (row) number, (N - 1) drives
406 For a RAID-4 set, the parity blocks are present on a single drive,
407 while a RAID-5 set distributes the parity across the drives in one
410 A RAID-6 set of N drives with a capacity of C MB per drive
411 provides the capacity of C * (N - 2) MB, and protects
413 (row) number, (N - 2) drives contain data sectors, and two
415 RAID-5, RAID-6 distributes the syndromes across the drives
437 tristate "I/O Path Selector based on the number of in-flight I/Os"
441 the path with the least number of in-flight I/Os.
485 bool "DM \"dm-mod.create=\" parameter support"
488 Enable "dm-mod.create=" parameter to create mapped devices at init time.
491 See Documentation/admin-guide/device-mapper/dm-init.rst for dm-mod.create="..."
515 This device-mapper target creates a read-only device that
517 a pre-generated tree of cryptographic checksums stored on a second
524 be called dm-verity.
534 Add ability for dm-verity device to be validated if the
535 pre-generated tree of cryptographic checksums passed has a pkcs#7
546 Add forward error correction support to dm-verity. This option
547 makes it possible to use pre-generated error correction data to
556 This device-mapper target creates a device that supports an arbitrary
557 mapping of fixed-size regions of I/O across a fixed set of paths.
562 be called dm-switch.
570 This device-mapper target takes two devices, one device to use
578 be called dm-log-writes.
590 This device-mapper target emulates a block device that has
591 additional per-sector tags that can be used for storing
594 This integrity target is used with the dm-crypt target to
599 be called dm-integrity.
602 tristate "Drive-managed zoned block device target support"
606 This device-mapper target takes a host-managed or host-aware zoned
608 device (drive-managed zoned block device) without any write
616 be called dm-zoned.