Comment #2 on issue 851 by [email protected]: gnt-cluster verify
leaves out one node on N+1 Memory redundancy
http://code.google.com/p/ganeti/issues/detail?id=851
Ah, now I understand - well I was thinking that this checks "what happens
if node1 goes down", can the secondarys carry the load.
and with "leaves out one node" I meant - that the check on that node was
left out, but now it's clear.
But here still the information:
root@node2 ~ # gnt-node list
Node DTotal DFree MTotal MNode MFree Pinst Sinst
node1.xxxxxxxxxx.de 4.1T 2.1T 31.4G 23.0G 14.9G 8 10
node2.xxxxxxxxxx.de 4.1T 2.2T 31.3G 25.1G 7.9G 10 8
root@node2 ~ # gnt-instance list
Instance Hypervisor OS Primary_node
Status Memory
yyy.xxxxxxxxxx.de kvm raw+dragonfly node2.xxxxxxxxxx.de
running 2.0G
yyy.xxxxxxxxxx.de kvm raw+debian-7 node2.xxxxxxxxxx.de
running 4.0G
yyy.xxxxxxxxxx.de kvm raw+debian-6 node2.xxxxxxxxxx.de
running 4.0G
yyy.xxxxxxxxxx.de kvm raw+debian-7 node1.xxxxxxxxxx.de
ADMIN_down -
yyy.xxxxxxxxxx.de kvm raw+debian-7 node2.xxxxxxxxxx.de
running 2.0G
yyy.xxxxxxxxxx.de kvm raw+debian-7 node1.xxxxxxxxxx.de
running 6.0G
yyy.xxxxxxxxxx.de kvm raw+debian-7 node2.xxxxxxxxxx.de
running 8.0G
yyy.xxxxxxxxxx.de kvm raw+debian-7 node1.xxxxxxxxxx.de
running 4.0G
yyy.xxxxxxxxxx.de kvm raw+debian-7 node2.xxxxxxxxxx.de
running 2.0G
yyy.xxxxxxxxxx.de kvm raw+centos-6 node1.xxxxxxxxxx.de
running 2.0G
yyy.xxxxxxxxxx.de kvm raw+debian-7 node2.xxxxxxxxxx.de
running 2.0G
mgn.xxxxxxxxxx.de kvm raw+openbsd node2.xxxxxxxxxx.de
running 512M
yyy.xxxxxxxxxx.de kvm raw+archlinux node2.xxxxxxxxxx.de
running 4.0G
ns2.xxxxxxxxxx.de kvm raw+centos-6 node2.xxxxxxxxxx.de
running 512M
ns.xxxxxxxxxx.de kvm raw+centos-6 node1.xxxxxxxxxx.de
running 512M
yyy.xxxxxxxxxx.de kvm raw+debian-7 node1.xxxxxxxxxx.de
running 4.0G
yyy.xxxxxxxxxx.de kvm raw+debian-8 node1.xxxxxxxxxx.de
running 4.0G
root@node2 ~ # cat /proc/meminfo | head -n 4
MemTotal: 32833644 kB
MemFree: 310388 kB
Buffers: 7666600 kB
Cached: 389196 kB
root@node2 ~ # ssh node1 cat /proc/meminfo | head -n 4
MemTotal: 32895496 kB
MemFree: 274828 kB
Buffers: 14927448 kB
Cached: 435232 kB
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