Hi Thank you for your reply
Yes, the OSTs must provide internal redundancy - RAID-6 typically Can RAID_6 be replaced with mirror/RAID0? Which type of RAID is recommended for MDT and OST? Also can you brief on how data will be read/written in Lustre with ZFS is used as backend filesystem in Lustre FS? Thanks and regards Nick On Mon, 22 May 2023 at 13:36, Andreas Dilger <[email protected]> wrote: > Yes, the OSTs must provide internal redundancy - RAID-6 typically. > > There is File Level Redundancy (FLR = mirroring) possible in Lustre file > layouts, but it is "unmanaged", so users or other system-level tools are > required to resync FLR files if they are written after mirroring. > > Cheers, Andreas > > > On May 22, 2023, at 09:39, Nick dan via lustre-discuss < > [email protected]> wrote: > > > > > > Hi > > > > I had one doubt. > > In lustre, data is divided into stripes and stored in multiple OSTs. So > each OST will have some part of data. > > My question is if one OST fails, will there be data loss? > > > > Please advise for the same. > > > > Thanks and regards > > Nick > > _______________________________________________ > > lustre-discuss mailing list > > [email protected] > > http://lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org >
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