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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>
This commit is contained in:
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)
## 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
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
optional arguments:
-h, --help show help
decouple_parent_lvol_bdev [-h] name
Decouple parent of a logical volume
optional arguments:
-h, --help show help
```