Re: [ceph-users] Building a Pb EC cluster for a cheaper cold storage

12-Nov-15 03:33, Mike Axford пишет: On 10 November 2015 at 10:29, Mike Almateia wrote: Hello. For our CCTV storing streams project we decided to use Ceph cluster with EC pool. Input requirements is not scary: max. 15Gbit/s input traffic from CCTV, 30 day storing, 99% write operations, a cluste

Re: [ceph-users] Building a Pb EC cluster for a cheaper cold storage

On 10 November 2015 at 10:29, Mike Almateia wrote: > Hello. > > For our CCTV storing streams project we decided to use Ceph cluster with EC > pool. > Input requirements is not scary: max. 15Gbit/s input traffic from CCTV, 30 > day storing, > 99% write operations, a cluster must has grow up with ou

Re: [ceph-users] Building a Pb EC cluster for a cheaper cold storage

11.11.2015 06:14, Christian Balzer пишет: > > Hello, > > On Tue, 10 Nov 2015 13:29:31 +0300 Mike Almateia wrote: > >> Hello. >> >> For our CCTV storing streams project we decided to use Ceph cluster with >> EC pool. >> Input requirements is not scary: max. 15Gbit/s input traffic from CCTV, >>

Re: [ceph-users] Building a Pb EC cluster for a cheaper cold storage

10.11.2015 19:40, Paul Evans пишет: > Mike - unless things have changed in the latest versions(s) of Ceph, I *not* > believe CRUSH will be successful in creating a valid PG map if the ’n' value > is 10 (k+m), your host count is 6, and your failure domain is set to host. > You’ll need to increas

Re: [ceph-users] Building a Pb EC cluster for a cheaper cold storage

10.11.2015 19:40, Paul Evans пишет: > Mike - unless things have changed in the latest versions(s) of Ceph, I *not* > believe CRUSH will be successful in creating a valid PG map if the ’n' value > is 10 (k+m), your host count is 6, and your failure domain is set to host. > You’ll need to increas

Re: [ceph-users] Building a Pb EC cluster for a cheaper cold storage

Hello, On Tue, 10 Nov 2015 13:29:31 +0300 Mike Almateia wrote: > Hello. > > For our CCTV storing streams project we decided to use Ceph cluster with > EC pool. > Input requirements is not scary: max. 15Gbit/s input traffic from CCTV, > 30 day storing, > 99% write operations, a cluster must ha

Re: [ceph-users] Building a Pb EC cluster for a cheaper cold storage

Mike - unless things have changed in the latest versions(s) of Ceph, I *not* believe CRUSH will be successful in creating a valid PG map if the ’n' value is 10 (k+m), your host count is 6, and your failure domain is set to host. You’ll need to increase your host count to match or exceed ’n', ch