Re: [PATCH] storage: create logical volume with --yes option

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On 7/22/21 11:45 AM, Kristina Hanicova wrote:
> If lvcreate found an existing signature when trying to create a
> new logical volume (E.g. left after some deleted volume), the
> action failed due to inability to answer interactive question to
> wiping it (lvcreate assumed 'no' was the answer). With added
> option --yes to the command line, the answer to any interactive
> question is assumed to be yes. Therefore, lvcreate wipes the
> signature and the new volume is created successfully.
> 
> Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1940413
> 
> Signed-off-by: Kristina Hanicova <khanicov@xxxxxxxxxx>
> ---
>  src/storage/storage_backend_logical.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/src/storage/storage_backend_logical.c b/src/storage/storage_backend_logical.c
> index ed8e47d880..02ede74aeb 100644
> --- a/src/storage/storage_backend_logical.c
> +++ b/src/storage/storage_backend_logical.c
> @@ -863,6 +863,8 @@ virStorageBackendLogicalLVCreate(virStorageVolDef *vol,
>      else
>          virCommandAddArg(cmd, def->source.name);
>  
> +    virCommandAddArg(cmd, "--yes");
> +
>      return virCommandRun(cmd, NULL);
>  }
>  
> 

Initially, this looked like a big hammer, but apparently, that is what
libguestfs did too:

https://github.com/libguestfs/libguestfs/commit/21cd97732c4973db835b8b6540c8ad582ebd2bda

and it's even advised by lvm2 developers:

https://bugzilla.redhat.com/show_bug.cgi?id=1894692

Reviewed-by: Michal Privoznik <mprivozn@xxxxxxxxxx>

and pushed.

Michal




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