Re: [lustre-discuss] Lustre server build on Ubuntu

2020-01-20 Thread Shaun Tancheff
I found this useful ... you will have to build against the Ubuntu kernel sources. https://wiki.whamcloud.com/pages/viewpage.action?pageId=63968116 You should be able to adapt the steps for whichever kernel you are targeting. Patches for early 5.0 kernel have landed to master but those patches

Re: [lustre-discuss] Lustre 2.12 client crashes

2020-01-20 Thread Peter Jones
Christopher Apologies for the confusing message about requesting an account for JIRA - I'll see if we can remove that message but I think that it might be system-generated. We've had to disable self-registration because of repeated hacking attempts via that mechanism. The message on the left

[lustre-discuss] Lustre 2.12 client crashes

2020-01-20 Thread Christopher Mountford
We've seen 3 lustre client panics in the last few hours when using the b2_12 branch (we're using it on client nodes as it patches a data on MDT bug in 2.12.3. Still using 2.12.3 on MDS/OSS). This looks similar similar to LU-12581, which we had seen on our system before but was fixed in 2.12.3.

Re: [lustre-discuss] MDT restart: WAITING non-ready MDTs

2020-01-20 Thread Thomas Roth
As is to be expected, MDT no. 2 did not like the situation either: :~# cat /proc/fs/lustre/mdt/hebe-MDT0002/recovery_status status: WAITING non-ready MDTs: 0001 recovery_start: 1579525859 time_waited: 23 I was already reading LU-9748 and chewing my nails about an ad-hoc upgrade (this is a

[lustre-discuss] MDT restart: WAITING non-ready MDTs

2020-01-20 Thread Thomas Roth
Hi all, I had to restart our MDTs 1 and 2. No.2 is still doing a file system check, no. 1 is mounted again and should be in recovery, however: :~# cat recovery_status status: WAITING non-ready MDTs: 0002 recovery_start: 1579524336 time_waited: 538 Seem I have misunderstood the organisation

[lustre-discuss] Lustre server build on Ubuntu

2020-01-20 Thread Åke Sandgren
Hi! I'm looking at building the server part on Ubuntu. I can see that there are patches for ldiskfs on Ubuntu18 so someone has clearly done some work here. What are the pre-requisites for doing this? Or even better, does anyone have a working recipy? -- Ake Sandgren, HPC2N, Umea University,