Re: Mounting A RBD Via Kernal Modules

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Hello Matthew,

Is the overwrite enabled in the erasure-coded pool? If not, here is
how to fix it:

ceph osd pool set my_pool.data allow_ec_overwrites true

On Mon, Mar 25, 2024 at 11:17 AM duluxoz <duluxoz@xxxxxxxxx> wrote:
>
> Hi Curt,
>
> Blockdev --getbsz: 4096
>
> Rbd info my_pool.meta/my_image:
>
> ~~~
>
> rbd image 'my_image':
>          size 4 TiB in 1048576 objects
>          order 22 (4 MiB objects)
>          snapshot_count: 0
>          id: 294519bf21a1af
>          data_pool: my_pool.data
>          block_name_prefix: rbd_data.30.294519bf21a1af
>          format: 2
>          features: layering, exclusive-lock, object-map, fast-diff,
> deep-flatten, data-pool
>          op_features:
>          flags:
>          create_timestamp: Sun Mar 24 17:44:33 2024
>          access_timestamp: Sun Mar 24 17:44:33 2024
>          modify_timestamp: Sun Mar 24 17:44:33 2024
> ~~~
>
> On 24/03/2024 21:10, Curt wrote:
> > Hey Mathew,
> >
> > One more thing out of curiosity can you send the output of blockdev
> > --getbsz on the rbd dev and rbd info?
> >
> > I'm using 16TB rbd images without issue, but I haven't updated to reef
> > .2 yet.
> >
> > Cheers,
> > Curt
>


-- 
Alexander E. Patrakov
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