Re: [lustre-discuss] Lustre Client in a container

2017-12-31 Thread Patrick Farrell
Keeping in mind that the choice of NFS means that you don’t have the POSIX guarantees provided by Lustre, so simultaneous access to the same files is dicey unless it’s only reading. From: lustre-discuss on behalf of

Re: [lustre-discuss] Lustre Client in a container

2017-12-31 Thread Daniel Kobras
Hi David! Do you require both systems to be available as native Lustre filesystems on all clients? Otherwise, reexporting one of the systems via NFS during the migration phase will keep all data available but decouple the version interdependence between servers and clients. In this situation,

Re: [lustre-discuss] Lustre Client in a container

2017-12-31 Thread Patrick Farrell
Ah, yes, that will likely be a tricky one. You may simply have to bite the bullet, copy what you can early, and accept a downtime to finalize. Note also that there may be no kernel version for which you could compile both of those? Possibly some version of CentOS 6.

Re: [lustre-discuss] Lustre Client in a container

2017-12-31 Thread David Cohen
Patrick, Thanks for you response. I looking for a way to migrate from 1.8.9 system to 2.10.2, stable enough to run the several weeks or more that it might take. David On Sun, Dec 31, 2017 at 12:12 AM, Patrick Farrell wrote: > David, > > > I have no direct experience trying