No, you do not need to set nobackfill and norecover if you only shut
down one server. The guide you are referencing is about shutting down
everything.
It will not recover degraded PGs if you shut down one server with noout.
You are right, I must have confused something in my memory with the
No, you do not need to set nobackfill and norecover if you only shut
down one server. The guide you are referencing is about shutting down
everything.
It will not recover degraded PGs if you shut down one server with noout.
Paul
Am Fr., 19. Okt. 2018 um 11:37 Uhr schrieb Eugen Block :
>
> Hi
Hi Denny,
the recommendation for ceph maintenance is to set three flags if you
need to shutdown a node (or the entire cluster):
ceph osd set noout
ceph osd set nobackfill
ceph osd set norecover
Although the 'noout' flag seems to be enough for many maintenance
tasks it doesn't prevent the
Hi,
today we had an issue with our 6 node Ceph cluster.
We had to shutdown one node (Ceph-03), to replace a disk (because, we did now
know the slot). We set the noout flag and did a graceful shutdown. All was O.K.
After the disk was replaced, the node comes up and our VMs had a big I/O
