Excellent! Good to know that the behavior is intentional!
Thanks a lot John for the feedback!
Best regards,
G.
On Thu, Mar 1, 2018 at 12:03 PM, Georgios Dimitrakakis
<giorgis@xxxxxxxxxxxx> wrote:
I have recently updated to Luminous (12.2.4) and I have noticed that
using
"ceph -w" only produces an initial output like the one below but
never gets
updated afterwards. Is this a feature because I was used to the old
way that
was constantly
producing info.
It's intentional. "ceph -w" is the command that follows the Ceph
cluster log. The monitor used to dump the pg status into the cluster
log every 5 seconds, which was useful sometimes, but also made the
log
pretty unreadable for anything else, because other output was quickly
swamped with the pg status spam.
To replicate the de-facto old behaviour (print the pg status every 5
seconds), you can always do something like `watch -n1 "ceph status |
grep pgs"`
There's work ongoing to create a nice replacement that does a status
stream without spamming the cluster log to accomplish it here:
https://github.com/ceph/ceph/pull/20100
Cheers,
John
Here is what I get as initial output which is not updated:
$ ceph -w
cluster:
id: d357a551-5b7a-4501-8d8f-009c63b2c972
health: HEALTH_OK
services:
mon: 1 daemons, quorum node1
mgr: node1(active)
osd: 2 osds: 2 up, 2 in
rgw: 1 daemon active
data:
pools: 11 pools, 152 pgs
objects: 9786 objects, 33754 MB
usage: 67494 MB used, 3648 GB / 3714 GB avail
pgs: 152 active+clean
Even if I create a new volume in my Openstack installation, assign
it to a
VM, mount it and format it, I have to stop and re-execute the "ceph
-w"
command to see the following line:
io:
client: 767 B/s rd, 511 B/s wr, 0 op/s rd, 0 op/s wr
which also pauses after the first display.
Kind regards,
G.
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