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 > <lustre-discuss@lists.lustre.org> 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 > lustre-discuss@lists.lustre.org > http://lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org _______________________________________________ lustre-discuss mailing list lustre-discuss@lists.lustre.org http://lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org
