[lustre-discuss] Lustre Sizing
ANS
ans3456 at gmail.com
Mon Dec 31 22:09:02 PST 2018
Dear Team,
I am trying to configure lustre with backend ZFS as file system with 2
servers in HA. But after compiling and creating zfs pools
zpool list
NAME SIZE ALLOC FREE CKPOINT EXPANDSZ FRAG CAP DEDUP
HEALTH ALTROOT
lustre-data 54.5T 25.8M 54.5T - 16.0E 0% 0% 1.00x
ONLINE -
lustre-data1 54.5T 25.1M 54.5T - 16.0E 0% 0% 1.00x
ONLINE -
lustre-data2 54.5T 25.8M 54.5T - 16.0E 0% 0% 1.00x
ONLINE -
lustre-data3 54.5T 25.8M 54.5T - 16.0E 0% 0% 1.00x
ONLINE -
lustre-meta 832G 3.50M 832G - 16.0E 0% 0% 1.00x
ONLINE -
and when mounted to client
lfs df -h
UUID bytes Used Available Use% Mounted on
home-MDT0000_UUID 799.7G 3.2M 799.7G 0% /home[MDT:0]
home-OST0000_UUID 39.9T 18.0M 39.9T 0% /home[OST:0]
home-OST0001_UUID 39.9T 18.0M 39.9T 0% /home[OST:1]
home-OST0002_UUID 39.9T 18.0M 39.9T 0% /home[OST:2]
home-OST0003_UUID 39.9T 18.0M 39.9T 0% /home[OST:3]
filesystem_summary: 159.6T 72.0M 159.6T 0% /home
So out of total 54.5TX4=218TB i am getting only 159 TB usable. So can any
one give the information regarding this.
Also from performance prospective what are the zfs and lustre parameters to
be tuned.
--
Thanks,
ANS.
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