Re: [lustre-discuss] Lustre 2.9 performance issues

2017-04-26 Thread Vicker, Darby (JSC-EG311)
Thanks for the kstat info. Our 2.4 LFS is quite a bit different architecture – ldiskfs on a hardware RAID – so no opportunity to compare the zfs kstat info between the two. Our 2.9 LFS is barely in production at this point and only a handful of people have moved over to it. So its utilization

Re: [lustre-discuss] Cannot mount lustre filesystem anymore

2017-04-26 Thread Stefano Turolla
I found the problem, somehow the OST client configuration file was corrupted. I found this post very useful: http://lustre-discuss.lustre.narkive.com/Z5s6LU8B/lustre-2-5-2-unable-to-mount-ost I tried the same steps: unmount OST and MGT/MDT mount the OST and MGS with ldiskfs llog on the client c

Re: [lustre-discuss] Cannot mount lustre filesystem anymore

2017-04-26 Thread Stefano Turolla
Actually, this is what I thought, but all files and directories are there [root@newmaster ~]# ls -lrtd /dev/mapper/seqdata /mnt/lustre-ost /dev/dm-0 drwxr-xr-x 2 root root 6 Dec 2 13:35 /mnt/lustre-ost brw-rw 1 root disk 253, 0 Apr 25 11:59 /dev/dm-0 lrwxrwxrwx 1 root root 7 Apr 25