1. You need a minimum of two nodes for the file system + one more node
for an extra monitor otherwise it'll block reads/writes when you restart
one of them (read up on monitor quorum
<http://ceph.com/docs/master/rados/troubleshooting/troubleshooting-mon/>).
2. Not too familiar with openstack but from the grizzly docs
<http://docs.openstack.org/grizzly/openstack-block-storage/admin/content/ceph-rados.html>
it appears so.
3. The jumping off point for ceph installs can currently be found here
<http://ceph.com/docs/master/start/>. There's a tiny bit of 'leftover'
information here and the for older versions but otherwise ceph has some
very very nice documentation.
-Michael
On 26/10/2013 05:21, Raghavendra Lad wrote:
Hi Cephs,
I am new to Ceph. I am planning to install CEPH.
I already have Openstack Grizzly installed and for storage thought of
installing Ceph.
Doubts I have:
1. Does it need minimum 3 nodes and server to install Ceph?
2. Can we install Ceph and integrate with Openstack Grizzly?
3. Any simple guide or tutorial that can help install Ceph?
Please help.
Regards,
Raghavendra Lad
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