Jonas,
You can query the admin sockets of your monitors and osds get a json
listing of their running configuration. The command will look something
like:
# ceph --admin-daemon /var/run/ceph/ceph-mon.a.asok config show
# ceph --admin-daemon /var/run/ceph/ceph-osd.0.asok config show
You can then inject new settings to running daemons with injectargs:
# ceph tell osd.* injectargs '--osd_max_backfills 10'
Or, your can add those to ceph.conf and restart the daemons.
Cheers,
Mike Dawson
On 12/5/2013 9:54 AM, Jonas Andersson wrote:
I mean, I have OSD's and MON's running now, but I see no mention of them in the
current config file (/etc/ceph/ceph.conf) so backing that file up would not
allow me to see where monitors/objectstores/journals where placed. Is there a
nifty command that allows me to push these defaults to something that can be
used as a config file that allows me to see how it was setup once I am done
with my tests? I want to be able to do performance tests that that I can attach
to individual configs which allows me to revert to the best config found for
the ultimate performance once I have it tuned and compared the data?
-----Original Message-----
From: Alfredo Deza [mailto:[email protected]]
Sent: Thursday, December 05, 2013 3:34 PM
To: Jonas Andersson
Cc: [email protected]
Subject: Re: [ceph-users] ceph-deploy 1.2.2 vs fedora 19
On Thu, Dec 5, 2013 at 9:18 AM, Jonas Andersson <[email protected]> wrote:
Perfect, that worked very well. Thanks a lot.
Another question:
Using http://ceph.com/howto/deploying-ceph-with-ceph-deploy/ as a guide to set
up my test-cluster I now have a working cluster with 12 osd's in and up. I've
create a client, a 10gb rbd volume, mounted it, written data all good.
Looking at my ceph.conf it seems it's using all defaults:
[root@ceph02 ~]# cat /etc/ceph/ceph.conf [global] fsid =
f865694c-7a50-46a9-9550-f6b160c00313
mon_initial_members = ceph02, ceph03, ceph04 mon_host =
10.130.21.33,10.130.21.34,10.130.21.42
auth_supported = cephx
osd_journal_size = 1024
filestore_xattr_use_omap = true
Is there any way to dump the default running config to the config-file so I can
start tinkering around?
What do you mean by dump? You can backup that copy which is the one that
ceph-deploy uses and use a new one and push it to your nodes and try that way
"ceph --show-config" seems to show all parameters running, but I don't see any
mentioning of the monitors/osd's at all?
Last question:
I had a too low number of pgs, which caused a health warning. Since I type a
lot faster than I think sometimes I adjusted the value to 128 (ceph osd pool
set rbd pg_num 128), which turned out to be too high, but I cant seem to be
able to tune it down again. How do I achieve this?
Thanks a lot in advance!
Kind regards
Jonas
-----Original Message-----
From: Alfredo Deza [mailto:[email protected]]
Sent: Sunday, December 01, 2013 6:30 PM
To: Jonas Andersson
Cc: [email protected]
Subject: Re: [ceph-users] ceph-deploy 1.2.2 vs fedora 19
On Thu, Nov 28, 2013 at 8:25 AM, Jonas Andersson <[email protected]> wrote:
Hi all,
I am seeing some weirdness when trying to deploy Ceph Emperor on
fedora 19 using ceph-deploy. Problem occurs when trying to install
ceph-deploy, and seems to point to the version of pushy in your repository:
Since ceph-deploy version 1.3 there is no longer a requirement on
pushy. You should update to the latest version (currently at 1.3.3)
[root@ceph02 ~]# yum install ceph-deploy
Loaded plugins: priorities, protectbase
imc-default
| 1.1 kB 00:00:00
imc-shared
| 1.1 kB 00:00:00
imc-systemimages
| 1.1 kB 00:00:00
imc-systemimages-shared
| 1.1 kB 00:00:00
45 packages excluded due to repository priority protections
0 packages excluded due to repository protections
Resolving Dependencies
--> Running transaction check
---> Package ceph-deploy.noarch 0:1.2.2-0 will be installed
--> Processing Dependency: python-pushy >= 0.5.3 for package:
ceph-deploy-1.2.2-0.noarch
--> Processing Dependency: pushy >= 0.5.3 for package:
ceph-deploy-1.2.2-0.noarch
--> Processing Dependency: or for package: ceph-deploy-1.2.2-0.noarch
--> Processing Dependency: gdisk for package:
--> ceph-deploy-1.2.2-0.noarch
--> Running transaction check
---> Package ceph-deploy.noarch 0:1.2.2-0 will be installed
--> Processing Dependency: python-pushy >= 0.5.3 for package:
ceph-deploy-1.2.2-0.noarch
--> Processing Dependency: or for package: ceph-deploy-1.2.2-0.noarch
---> Package gdisk.x86_64 0:0.8.8-1.fc19 will be installed
--> Processing Dependency: libicuuc.so.50()(64bit) for package:
gdisk-0.8.8-1.fc19.x86_64
--> Processing Dependency: libicuio.so.50()(64bit) for package:
gdisk-0.8.8-1.fc19.x86_64
---> Package pushy.noarch 0:0.5.3-1 will be installed
--> Running transaction check
---> Package ceph-deploy.noarch 0:1.2.2-0 will be installed
--> Processing Dependency: python-pushy >= 0.5.3 for package:
ceph-deploy-1.2.2-0.noarch
--> Processing Dependency: or for package: ceph-deploy-1.2.2-0.noarch
---> Package libicu.x86_64 0:50.1.2-9.fc19 will be installed
--> Finished Dependency Resolution
Error: Package: ceph-deploy-1.2.2-0.noarch (ceph-extras-noarch)
Requires: python-pushy >= 0.5.3
Available: python-pushy-0.5.1-6.1.noarch
(ceph-extras-noarch)
python-pushy = 0.5.1-6.1
Error: Package: ceph-deploy-1.2.2-0.noarch (ceph-extras-noarch)
Requires: or
You could try using --skip-broken to work around the problem
You could try running: rpm -Va --nofiles -nodigest
To work around this I tried to use pip to install pushy 0.5.3:
[root@ceph02 pushy-master]# pip install pushy
Downloading/unpacking pushy
Downloading pushy-0.5.3.zip (48kB): 48kB downloaded
Running setup.py egg_info for package pushy
Installing collected packages: pushy
Running setup.py install for pushy
Successfully installed pushy
Cleaning up...
Verifying:
[root@ceph02 ~]# pip list | grep pushy
pushy (0.5.3)
However the installer does not seem to notice that pushy is there,
and it fails on the same dependency with the same error.
Any clue what I'm doing wrong here?
Kind regards
Jonas
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of this e-mail or its attachments. In the event of incomplete or incorrect transmission,
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The information in this e-mail is intended only for the person or entity to
which it is addressed.
It may contain confidential and /or privileged material. If someone other than
the intended recipient should receive this e-mail, he / she shall not be
entitled to read, disseminate, disclose or duplicate it.
If you receive this e-mail unintentionally, please inform us immediately by "reply"
and then delete it from your system. Although this information has been compiled with great
care, neither IMC Financial Markets & Asset Management nor any of its related entities
shall accept any responsibility for any errors, omissions or other inaccuracies in this
information or for the consequences thereof, nor shall it be bound in any way by the contents
of this e-mail or its attachments. In the event of incomplete or incorrect transmission,
please return the e-mail to the sender and permanently delete this message and any
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Messages and attachments are scanned for all known viruses. Always scan
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