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Re: [libvirt] [libvirt PATCH] storage: Skip not active lv volumes

On 05/07/2013 04:29 AM, Osier Yang wrote:
> If the volume is of a clustered volume group, and not active, the
> related pool APIs fails on open /dev/vg/lv. If the volume is suspended,
> it hangs on open(2) the volume.
> Though the best solution is to expose the volume status in volume
> XML, and even better to provide API to active/deactive the volume,


> but it's not the work I want to touch currently. Volume status in
> other status is just fine to skip.

Yeah, nice ideas for future improvement, and not as important as fixing
the bug now.

> About the 5th field of lv_attr (from man lvs[8])
> <quote>
>  5 State: (a)ctive, (s)uspended, (I)nvalid snapshot, invalid
>    (S)uspended snapshot, snapshot (m)erge failed,suspended
>    snapshot (M)erge failed, mapped (d)evice present without
>    tables,  mapped device present with (i)nactive table
> </quote>
> ---
>  src/storage/storage_backend_logical.c | 29 +++++++++++++++++++----------
>  1 file changed, 19 insertions(+), 10 deletions(-)


>      int i, err, nextents, nvars, ret = -1;
> +    const char *attrs = groups[9];
> +
> +    /* Skip not active volume */

s/not active/inactive/

Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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