[ceph-users] some ceph general questions about the design

2020-04-20 Thread harald . freidhof
Hello together, we want to create a productive ceph storage system in our datacenter in may this year with openstack and ucs and i tested a lot in my cep test enviroment, and i have some general questions. whats receommended? 1. shoud i use a raid controller a create for example a raid 5 with

[ceph-users] Re: some ceph general questions about the design

2020-04-20 Thread harald . freidhof
ok thx for the answers we will connect later nearly 20 kvm hosts on the ceph cluster - then i build a 3 node osd cluster and passtrough all disks and i install the mgr daemon on them - i build 3 seperate mon server and install here the rgw? right? a few question to the options: - osd crush cho

[ceph-users] some ceph general questions about osd and pg

2020-04-18 Thread harald . freidhof
Hello togehter we want to implement a 3 nodes ceph cluster wirh nautilus. i already tested some ceph installations in our test enviroment and i have some generall questions. end of this month we will have three physical server with 256gb ram and two cpus and nerly 48 x 6tb disks. iam a little

[ceph-users] Re: some ceph general questions about osd and pg

2020-04-18 Thread harald . freidhof
Hello Khodayar thx fot the fast answer, that helped a lot. only last question: we have two datacenter, a small one with usv(apc) and a big one with a power generator. i want to move two osd nodes to the big datacenter with power generator and one node to the smal datacanter with usv(apc) the re