Commit c053afc0 authored by Tomasz Zawadzki's avatar Tomasz Zawadzki Committed by Ben Walker
Browse files

docs/lvol: added decouple parent lvol bdev info



Information regarding decouple parent lvol bdev was missing
in documentation.

Change-Id: Ib1611efedc472cc37133a57aed41f6c2c0abbe1f
Signed-off-by: default avatarTomasz Zawadzki <tomasz.zawadzki@intel.com>
Reviewed-on: https://review.gerrithub.io/419342


Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: default avatarBen Walker <benjamin.walker@intel.com>
Reviewed-by: default avatarShuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
parent cefab5d6
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+8 −0
Original line number Diff line number Diff line
@@ -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
```