[lustre-discuss] Migrate mdt ldiskfs to zfs

[Fernando Pérez]

Sorry, I have already seen in the lustre documentation that it’s possible migrate between ldiskfs and zfs since the 2.11 lustre release.

I appreciate the stability and I think that the 2.10.4 release is the best option for our systems.

Any experiencies using ldiskfs under zvol? Do you think that it's better than ldiskfs under mdadm + lvm?

Regards.
=============================================
Fernando Pérez
Institut de Ciències del Mar (CMIMA-CSIC)
Departament Oceanografía Física i Tecnològica
Passeig Marítim de la Barceloneta,37-49
08003 Barcelona
Phone:  (+34) 93 230 96 35
=============================================

> El 26 may 2018, a las 16:12, Fernando Pérez <fperez at icm.csic.es> escribió:
> 
> Dear all,
> 
> We have a lustre filesystem recently migrated from 2.8 to 2.10.4 release with a combined mdt + mgs under ldiskfs. I want to migrate it to a new external jbod with ssds.
> 
> Is it possible to migrate it to zfs?
> 
> I think that the best two options are the following:
> 
> 1. Migrate it to zfs, but I think that it was not possible in lustre previous releases
> 2. Migrate it to ldiskfs under a zfs pool.
> 
> What is the best way?
> 
> Thank you very much in advance.
> 
> Regards.
> 
> =============================================
> Fernando Pérez
> Institut de Ciències del Mar (CMIMA-CSIC)
> Departament Oceanografía Física i Tecnològica
> Passeig Marítim de la Barceloneta,37-49
> 08003 Barcelona
> Phone:  (+34) 93 230 96 35
> =============================================
> 
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