Re: [ceph-users] Failure probability with largish deployments

2013-12-22 Thread Christian Balzer
Hello Kyle, On Fri, 20 Dec 2013 13:37:18 -0800 Kyle Bader wrote: > Using your data as inputs to in the Ceph reliability calculator [1] > results in the following: > I shall have to (literally, as in GIT) check that out next week... However before that, some questions to help me understand what

Re: [ceph-users] Sanity check of deploying Ceph very unconventionally (on top of RAID6, with very few nodes and OSDs)

2013-12-22 Thread Christian Balzer
Hello, On Sun, 22 Dec 2013 12:27:46 +0100 Gandalf Corvotempesta wrote: > 2013/12/17 Christian Balzer : > > Network: > > Infiniband QDR, 2x 18port switches (interconnected of course), > > redundant paths everywhere, including to the clients (compute nodes). > > Are you using IPoIB ? How do you i

Re: [ceph-users] Sanity check of deploying Ceph very unconventionally (on top of RAID6, with very few nodes and OSDs)

2013-12-22 Thread Gandalf Corvotempesta
2013/12/17 Christian Balzer : > Network: > Infiniband QDR, 2x 18port switches (interconnected of course), redundant > paths everywhere, including to the clients (compute nodes). Are you using IPoIB ? How do you interconnect both switches without making loops ? AFAIK, IB switches doesn't support ST

Re: [ceph-users] Armel debian repository

2013-12-22 Thread Mario Giammarco
Wido den Hollander writes: > > What version of ARM CPU is in the Netgear NAS? > > Since the packages are build for ARMv7 and for example don't work on a > RaspberryPi which is ARMv6. > > Another solution would be to build to packages manually for the Netgear NAS. It is a Marvell Armada 370

Re: [ceph-users] How much space?

2013-12-22 Thread shacky
> > Replication is set on a per pool basis. You can set some, or all, pools to > replica size of 2 instead of 3. > Thank you very much. I saw this is to be setted in the global configuration (osd pool default size). So it's up to me to configure Ceph to be rendundant and fault tolerant? If I set "