[Lustre-discuss] changelog_register on lustre client

Kristen J. Webb kwebb at teradactyl.com
Mon Feb 9 14:41:37 PST 2015

Ok, after some time I figured this one out:

The registration needs to happen on the MDS,
then lfs changelog works fine from a client!

Is there an easy way to determine which lctl commands
are limited to and MDS or OST versus a Lustre client?


On 2/5/15 10:42 AM, Kristen J. Webb wrote:
> Is it possible to register as a changelog consumer on a lustre client?
> # lctl --device clustre-MDT0000 changelog_register
> No device found for name clustre-MDT0000: Invalid argument
> So far, I've only gotten the registration to work on the MDS serving
> the MDTs.
> Thanks,
> Kris

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