[lustre-discuss] zpool features, recordsize, post-upgrade?

2018-10-08 Thread Marion Hakanson
Greetings, We're upgrading our Lustre servers from CentOS-6 with IEEL-2.3, to CentOS-7.5 with Lustre community release 2.10.5. The OSTs are all on the ZFS backend, originally built on ZoL-0.6.5. The new 2.10.5 servers come with ZoL-0.7.9, which of course has some new zpool features available. O

[lustre-discuss] MDS often overload

2018-10-08 Thread Zeeshan Ali Shah
We are getting the following error when run rsync . Background: We have three filesystem on same MDS , MDT are different zfs pools.. would that be an issue ? any advice ? error below [Mon Oct 8 12:29:11 2018] Lustre: sgp-MDT-mdc-883ffc2c3000: Connection restored to 172.100.120.