Andreas, Thank you very much for your answer. It helps a lot.
Regards On Fri, 28 Apr 2023 at 13:34, Andreas Dilger <[email protected]> wrote: > On Apr 27, 2023, at 02:12, Ramiro Alba Queipo <[email protected]> wrote: > > > Hi everybody, > > I have lustre 2.15.0 using Oracle on servers and Ubuntu 20.04 at clients. > I have one MDT on a raid 1 SSD and the two disk have failed, so all the > data is apparently lost. > > - Is there a remote posibility to access data on OSSTs without MDT? > - When I started this system I tried to backup MDT data without succes. I > there any procedure to backup data which I got, but also to recover it > which I did not achieve? > > Any help/suggestion es very welcomed > Thanks in advance. > > Regards > > > Depending on the file layout used, the files on the OSTs are "just files", > if you can mount the OSTs as type ldiskfs (or ZFS if that is the way you > configured it). The default file layout is one OST stripe per file, so you > could read those files, and the UID/GID/timestamps should be correct, but > there will not be any filenames associated with the files. > > Regards, Andreas > -- > Andreas Dilger > Lustre Principal Architect > Whamcloud > > > > > > > > -- Ramiro Alba Centre Tecnològic de Tranferència de Calor http://www.cttc.upc.edu Escola Tècnica Superior d'Enginyeries Industrial i Aeronàutica de Terrassa Colom 11, E-08222, Terrassa, Barcelona, Spain Tel: (+34) 93 739 8928
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