[ceph-users] Ceph general configuration questions

Hi. I'm new to ceph and have been going thorough the setup phase. I was able to setup couple of Proof of Concept cluster. Got some general questions, thought the community would be able to clarify. 1. I've been using ceph-deploy for deployment. In a 3 Monitor and 3 OSD configuration, one of the VM

Re: [ceph-users] Ceph general configuration questions

.vanders...@cern.ch> wrote: > Hi, > > On 16 Sep 2014, at 16:46, shiva rkreddy wrote: > > 2. Has any one used SSD devices for Monitors. If so, can you please share > the details ? Any specific changes to the configuration files? > > > We use SSDs on our monitors — a

[ceph-users] ceph health related message

Hi, I've setup a cluster with 3 monitors and 2 OSD nodes with 2 disks each.Cluster is in active+clean state. But, "ceph -s" keeps throwing the following message, every other time "ceph -s" is run. #ceph -s 2014-09-19 04:13:07.116662 7fc88c3f9700 0 -- :/1011833 >> *192.168.240.200

[ceph-users] OSD auto-mount after server reboot

HI, I'm currently testing Firefly 0.80.9 and noticed that OSD are not auto-mounted after server reboot. It used to mount auto with Firefly 0.80.7. OS is RHEL 6.5. There was another thread earlier on this topic with v0.80.8, suggestion was to add mount points to /etc/fstab. Question is whether th

Re: [ceph-users] OSD auto-mount after server reboot

automatically. Output paste from ceph 0.80.9 is : http://pastebin.com/1Yqntadi On Sun, Apr 5, 2015 at 11:22 AM, Loic Dachary wrote: > > > On 04/04/2015 22:09, shiva rkreddy wrote: > > HI, > > I'm currently testing Firefly 0.80.9 and noticed that OSD are not > auto-mounte

Re: [ceph-users] v0.80.8 and librbd performance

Hi Josh, We are using firefly 0.80.9 and see both cinder create/delete numbers slow down compared 0.80.7. I don't see any specific tuning requirements and our cluster is run pretty much on default configuration. Do you recommend any tuning or can you please suggest some log signatures we need to b

Re: [ceph-users] v0.80.8 and librbd performance

are you measuring create/delete performance? > > You can try increasing rbd concurrent management ops in ceph.conf on the > cinder node. This affects delete speed, since rbd tries to delete each > object in a volume. > > Josh > > *From:* shiva rkreddy > *Sent:* Apr 14, 201

Re: [ceph-users] v0.80.8 and librbd performance

in with 1 second sleep and capture output : rbd -n clientkey -p cindervols rbd ls It took the same amount of time to remove all entries in the pool when the ops setting was default. Thanks On Tue, Apr 14, 2015 at 10:01 PM, shiva rkreddy wrote: > The clusters are in test environment, so its a ne

[ceph-users] iptables

Hello, On my ceph cluster osd node . there is a rule to REJECT all. As per the documentation, added a rule to allow the trafficon the full range of ports, But, the cluster will not come into clean state. Can you please share your experience with the iptables configuration. Following are the INPUT

[ceph-users] osd troubleshooting

Hi, I'm trying to run osd troubleshooting commands. *Use case: Stopping osd without re-balancing.* .#ceph osd noout // this command works. But, neither of the following work: #stop ceph-osd id=1 (Error message: *no valid command found; 10 closest matches:* ...) or # ceph osd stop osd.1 ( Error

[ceph-users] download.ceph.com down

Hi, Did anyone notice that download.ceph.com is down today? I've been trying to get latest Hammer packages v0.94.3 for Ubuntu. Any alternatives? Here is the error: This webpage is not available ERR_CONNECTION_REFUSED == Appreciate your help! Thanks, Siva _

[ceph-users] rbd/rados packages in python virtual environment

Hi, Any one has tried installing python-rbd and python-rados packages in python virtual environment? We are planning to have openstack services(cinder/glance) run in the virtual environment. There are no pip install packages available for python-rbd and python-rados, atleast on pypi.python.org. Al

Re: [ceph-users] rbd/rados packages in python virtual environment

Thanks Ken. Does it mean we are going to have a pip package anytime soon? Redhat or Ubuntu ship anything currently? On Fri, Oct 2, 2015 at 11:33 AM, Ken Dreyer wrote: > On Thu, Oct 1, 2015 at 9:32 PM, shiva rkreddy > wrote: > > Hi, > > Any one has tried installing python-rb

Re: [ceph-users] jewel blocked requests

By saying "old clients" did you mean, (a) Client VMs running old Operating System (b) Client VMs/Volumes that are in-use for a long time and across ceph releases ? Was there any tuning done to fix it? Thanks, On Mon, Sep 12, 2016 at 3:05 PM, Wido den Hollander wrote: > > > Op 12 september 201

[ceph-users] Adding a subnet

Hi, Use case: I've a Hammer based cluster. There are no IPs left on cluster_network to add new OSD servers. The new subnet is accessible to the current one. Question: While adding the new subnet to ceph.conf, is it required to restart ceph services on all the nodes in current cluster to pickup t