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docs/lvol: added decouple parent lvol bdev info

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Information regarding decouple parent lvol bdev was missing
in documentation.

Change-Id: Ib1611efedc472cc37133a57aed41f6c2c0abbe1f
Signed-off-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Reviewed-on: https://review.gerrithub.io/419342
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
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Tomasz Zawadzki 2018-07-16 03:05:01 -04:00 committed by Ben Walker
parent cefab5d647
commit c053afc063
1 changed files with 8 additions and 0 deletions
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doc/lvol.md
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@ -61,6 +61,10 @@ Blobs can be inflated to copy data from backing devices (e.g. snapshots) and all
![Removing backing blob and bdevs relations using inflate call](lvol_inflate_clone_snapshot.svg) ![Removing backing blob and bdevs relations using inflate call](lvol_inflate_clone_snapshot.svg)
## Decoupling {#lvol_decoupling}
Blobs can be decoupled from all dependencies by copying data from backing devices (e.g. snapshots) for all allocated clusters. Remainig unallocated clusters are kept thin provisioned.
# Configuring Logical Volumes # Configuring Logical Volumes
There is no static configuration available for logical volumes. All configuration is done trough RPC. Information about logical volumes is kept on block devices. There is no static configuration available for logical volumes. All configuration is done trough RPC. Information about logical volumes is kept on block devices.
@ -137,4 +141,8 @@ inflate_lvol_bdev [-h] name
Inflate lvol bdev Inflate lvol bdev
optional arguments: optional arguments:
-h, --help show help -h, --help show help
decouple_parent_lvol_bdev [-h] name
Decouple parent of a logical volume
optional arguments:
-h, --help show help
``` ```