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LIO target is a full featured in-kernel target framework with the
following feature set:
High-performance, non-blocking, multithreaded architecture with SIMD
support.
Advanced SCSI feature set:
* Persistent Reservations (PRs)
* Asymmetric Logical Unit Assignment (ALUA)
* Protocol and intra-nexus multiplexing, load-balancing and failover (MC/S)
* Full Error Recovery (ERL=0,1,2)
* Active/active task migration and session continuation (ERL=2)
* Thin LUN provisioning (UNMAP and WRITE_SAMExx)
Multiprotocol target plugins
Storage media independence:
* Virtualization of all storage media; transparent mapping of IO to LUNs
* No hard limits on number of LUNs per Target; maximum LUN size ~750 TB
* Backstores: SATA, SAS, SCSI, BluRay, DVD, FLASH, USB, ramdisk, etc.
Standards compliance:
* Full compliance with IETF (RFC 3720)
* Full implementation of SPC-4 PRs and ALUA
Significant code cleanups done by Christoph Hellwig.
[jejb: fix up for new block bdev exclusive interface. Minor fixes from
Randy Dunlap and Dan Carpenter.]
Signed-off-by: Nicholas A. Bellinger <nab@linux-iscsi.org>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
33 lines
948 B
Plaintext
33 lines
948 B
Plaintext
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menuconfig TARGET_CORE
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tristate "Generic Target Core Mod (TCM) and ConfigFS Infrastructure"
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depends on SCSI && BLOCK
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select CONFIGFS_FS
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default n
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help
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Say Y or M here to enable the TCM Storage Engine and ConfigFS enabled
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control path for target_core_mod. This includes built-in TCM RAMDISK
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subsystem logic for virtual LUN 0 access
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if TARGET_CORE
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config TCM_IBLOCK
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tristate "TCM/IBLOCK Subsystem Plugin for Linux/BLOCK"
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help
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Say Y here to enable the TCM/IBLOCK subsystem plugin for non-buffered
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access to Linux/Block devices using BIO
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config TCM_FILEIO
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tristate "TCM/FILEIO Subsystem Plugin for Linux/VFS"
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help
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Say Y here to enable the TCM/FILEIO subsystem plugin for buffered
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access to Linux/VFS struct file or struct block_device
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config TCM_PSCSI
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tristate "TCM/pSCSI Subsystem Plugin for Linux/SCSI"
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help
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Say Y here to enable the TCM/pSCSI subsystem plugin for non-buffered
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passthrough access to Linux/SCSI device
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endif
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