Re: [ceph-users] IOPS requirements

Il 18 giu 2016 07:10, "Christian Balzer" ha scritto: > That sounds extremely high, is that more or less consistent? > How many VMs is that for? > What are you looking at, as in are those individual disks/SSDs, a raid > (what kind)? 800-1000 was a peak in a about 5 minutes. it was

Re: [ceph-users] IOPS requirements

Hello, On Fri, 17 Jun 2016 14:51:08 +0200 Gandalf Corvotempesta wrote: > 2016-06-17 10:03 GMT+02:00 Christian Balzer : > > I'm unfamilar with Xen and Xenserver (the later doesn't support RBD, > > btw), but if you can see all the combined activity of your VMs on your > > HW in the

Re: [ceph-users] IOPS requirements

2016-06-17 10:03 GMT+02:00 Christian Balzer : > I'm unfamilar with Xen and Xenserver (the later doesn't support RBD, btw), > but if you can see all the combined activity of your VMs on your HW in the > dom0 like with KVM/qemu, a simple "iostat" or "iostat -x" will give you the >

Re: [ceph-users] IOPS requirements

Hello, On Fri, 17 Jun 2016 09:10:10 +0200 Gandalf Corvotempesta wrote: > As I'm planning a new cluster where to move all my virtual machine > (currently on local storage on each hypervisor) i would like to evaluate > the current IOPS on each server > > Knowing the current iops i'll be able to

Re: [ceph-users] IOPS requirements

Hi, the most accurate way should be to check on each hostmachine how much IOPS are flowing through. You can also visualize this with for example munin. This way you can also see the peaks. -- Mit freundlichen Gruessen / Best regards Oliver Dzombic IP-Interactive

[ceph-users] IOPS requirements

As I'm planning a new cluster where to move all my virtual machine (currently on local storage on each hypervisor) i would like to evaluate the current IOPS on each server Knowing the current iops i'll be able to know how many iops i need on ceph I'm not an expert, do know know how to get this