Re: [lustre-discuss] 2.10 <-> 2.12 interoperability?

2019-05-07 Thread Andreas Dilger
On May 3, 2019, at 15:35, Hans Henrik Happe wrote: > > On 03/05/2019 22.41, Andreas Dilger wrote: >> On May 3, 2019, at 14:33, Patrick Farrell wrote: >>> >>> Thomas, >>> >>> As a general rule, Lustre only supports mixing versions on servers for >>> rolling upgrades. >>> >>> - Patrick >> >>

Re: [lustre-discuss] Limit client side caching?

2019-05-07 Thread Andreas Dilger
On Apr 22, 2019, at 10:35, Nehring, Shane R [LAS] wrote: > > Hello > > Is there a way to limit the client side caches to a specific size? > We're occasionally seeing panics due to failed allocations in low > available memory conditions in our environment. We limit user > allocations with

Re: [lustre-discuss] 2.10 <-> 2.12 interoperability?

2019-05-07 Thread Thomas Roth
In the mean time I have tried the patch in LU-11507, which kept failing with > rpmbuild/BUILD/lustre-2.10.6/lustre/osd-zfs/osd_internal.h:774:2: error: > implicit declaration of function 'refcount_add' [-Werror=implicit-function-declaration] In the end I was successful after messing with the