Re: [lustre-discuss] FLR mirroring on 2.12.1-1

2019-05-22 Thread Andreas Dilger
This is definitely not the intended behavior. Could you please file a ticket in Jira. Cheers, Andreas On May 20, 2019, at 07:20, John Doe wrote: > > It turns out that the read eventually finished and was 1/10th of the > performance that I was expecting. > > As ost idx 1 is unavailable, the

Re: [lustre-discuss] Lustre kernel module compatibility

2019-05-22 Thread Andreas Dilger
On May 21, 2019, at 10:15, Tauferner, Andrew T wrote: > > Is it okay to run Lustre 2.12.x kernel modules on clients that are part of a > 2.10.x Lustre installation? What I mean is that the servers and the clients > have installed version 2.10.x RPMs. For what it’s worth, this seems to work

Re: [lustre-discuss] Unable to mount client with 56 MDSes and beyond

2019-05-22 Thread Andreas Dilger
Scott, if you haven't already done so, it is probably best to file a ticket in Jira with the details. Please include the client syslog/dmesg as well as a Lustre debug log ("lctl dk /tmp/debug") so that the problem can be isolated. During DNE development we tested with up to 128 MDTs in AWS, but