Re: [lustre-discuss] Lustre 2.12 client crashes

2020-01-22 Thread Christopher Mountford
Thank you for your help. I've created an issue in the comminity JIRA for this: LU-13168. Kind Regards, Christopher. On Mon, Jan 20, 2020 at 05:22:58PM +, Peter Jones wrote: > Christopher > > Apologies for the confusing message about requesting an account for JIRA - > I'll see if we can rem

[lustre-discuss] read performance and inode_permission

2020-01-22 Thread Thomas Roth
Dear all, on my quiet test system, first I clear the llite.*.stats, lctl set_param llite.hebetest*.stats=0, then I start reading from a 22k-files directory with 'ls -l'. After ~20 sec, I get lctl get_param llite.hebetest*.stats llite.hebetest-881016ffa800.stats= snapshot_time 1

[lustre-discuss] No read_cache on OSS

2020-01-22 Thread Thomas Roth
Hi all, have to come back to this bothering issue with the vanished osd-zfs read_cache paramters. This is Lustre 2.10.6 with ZFS 0.7.9-1 on CentOS 7.5.1804 Consistently on all OSS, the cache paramters are dead links: ls -l /proc/fs/lustre/obdfilter/*/ lrwxrwxrwx 1 root root 48 Jan 22 11:49

[lustre-discuss] Lustre with 100 Gbps Mellanox CX5 card

2020-01-22 Thread Pinkesh Valdria
Hello Lustre Community, I am trying to configure lustre for 100 Gbps Mellanox CX5 card.   I tried using 2.12.3 version first, but it failed when I tried to run lnetctl net add --net o2ib0 --if enp94s0f0,  so I started looking at the lustre binaries and found the below repos for ib.   Is t

Re: [lustre-discuss] Degraded read performance with Large Bulk IO (16MB RPC)

2020-01-22 Thread Pinkesh Valdria
To close the loop on this topic.   The below parameters were not set by default and hence they were not showing up in lctl list_param commands.  I have to set them first.   lctl set_param llite.*.max_read_ahead_mb=256 lctl set_param llite.*.max_read_ahead_per_file_mb=256 Thanks to t