Sounds good. Thank you! On Fri, 12 Jan 2024 at 19:28, Andreas Dilger <[email protected]> wrote:
> All of the OSTs and MDTs are "independently managed" (have their own > connection state between each client and target) so this should be > possible, though I don't know of sites that are doing this. Possibly this > makes sense to put NVMe flash OSTs on ldiskfs, and HDD OSTs on ZFS, and > then put them in OST pools so that they are managed separately. > > On Jan 12, 2024, at 10:38, Backer <[email protected]> wrote: > > Thank you Andreas! How about mixing OSTs? The requirement is to do RAID > with small volumes using ZFS and have a large OST. This is to reduce the > number of OSTs overall as the cluster being extended. > > On Fri, 12 Jan 2024 at 11:26, Andreas Dilger <[email protected]> > wrote: > >> Yes, some systems use ldiskfs for the MDT (for performance) and ZFS for >> the OSTs (for low-cost RAID). The IOPS performance of ZFS is low vs. >> ldiskfs, but the streaming bandwidth is fine. >> >> Cheers, Andreas >> >> > On Jan 12, 2024, at 08:40, Backer via lustre-discuss < >> [email protected]> wrote: >> > >> > >> > Hi, >> > >> > Could we mix ZFS and LDISKFS together in a cluster? >> > >> > Thank you, >> > >> > >> > _______________________________________________ >> > lustre-discuss mailing list >> > [email protected] >> > http://lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org >> > > Cheers, Andreas > -- > Andreas Dilger > Lustre Principal Architect > Whamcloud > > > > > > > >
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