Gerstein Lab Openstack 2017
From GersteinInfo
1. Storage.
'ceph df' gives
GLOBAL: SIZE AVAIL RAW USED %RAW USED 163T 163T 203G 0.12 POOLS: NAME ID USED %USED MAX AVAIL OBJECTS ... images 7 2032M 0 55792G 268 volumes 9 65826M 0.12 55792G 16792 vms 10 994M 0 55792G 258
'df -h' yields
Ten of the following osds in each of the three storage devices roughly corresponding to MAX AVAIL above.
Filesystem Size Used Avail Use% Mounted on ... /dev/sdXX 5.5T XXXX XXXX XXX% /var/lib/ceph/osd/ceph-XX
2. Compute node info.
Five of these
CPU model: x86_64 CPU(s): 16 CPU socket(s): 1 Core(s) per socket: 8 Thread(s) per core: 1 NUMA cell(s): 2 Memory size: 133765852 KiB
3. Director node info.
[stack@gos-director-01 SysAdmins]$ virsh nodeinfo CPU model: x86_64 CPU(s): 32 CPU socket(s): 1 Core(s) per socket: 8 Thread(s) per core: 2 NUMA cell(s): 2 Memory size: 133494824 KiB
[stack@gos-director-01 SysAdmins]$ df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/rhel-home 2.2T 2.1G 2.2T 1% /home