Re: [ceph-users] Newbie Ceph Design Questions

2014-09-22 Thread Udo Lembke
Hi Christian, On 22.09.2014 05:36, Christian Balzer wrote: Hello, On Sun, 21 Sep 2014 21:00:48 +0200 Udo Lembke wrote: Hi Christian, On 21.09.2014 07:18, Christian Balzer wrote: ... Personally I found ext4 to be faster than XFS in nearly all use cases and the lack of full, real kernel

Re: [ceph-users] Newbie Ceph Design Questions

2014-09-22 Thread Christian Balzer
On Mon, 22 Sep 2014 13:35:26 +0200 Udo Lembke wrote: Hi Christian, On 22.09.2014 05:36, Christian Balzer wrote: Hello, On Sun, 21 Sep 2014 21:00:48 +0200 Udo Lembke wrote: Hi Christian, On 21.09.2014 07:18, Christian Balzer wrote: ... Personally I found ext4 to be faster

Re: [ceph-users] Newbie Ceph Design Questions

2014-09-21 Thread Udo Lembke
Hi Christian, On 21.09.2014 07:18, Christian Balzer wrote: ... Personally I found ext4 to be faster than XFS in nearly all use cases and the lack of full, real kernel integration of ZFS is something that doesn't appeal to me either. a little bit OT... what kind of ext4-mount options do you

Re: [ceph-users] Newbie Ceph Design Questions

2014-09-21 Thread Christian Balzer
Hello, On Sun, 21 Sep 2014 21:00:48 +0200 Udo Lembke wrote: Hi Christian, On 21.09.2014 07:18, Christian Balzer wrote: ... Personally I found ext4 to be faster than XFS in nearly all use cases and the lack of full, real kernel integration of ZFS is something that doesn't appeal to

Re: [ceph-users] Newbie Ceph Design Questions

2014-09-20 Thread Christian Balzer
Hello, On Fri, 19 Sep 2014 18:29:02 -0700 Craig Lewis wrote: I'm personally interested in running Ceph on some RAID-Z2 volumes with ZILs. XFS feels really dates after using ZFS. I need to check the progress, but I'm thinking of reformatting one node once Giant comes out. I'm looking

Re: [ceph-users] Newbie Ceph Design Questions

2014-09-19 Thread Craig Lewis
I'm personally interested in running Ceph on some RAID-Z2 volumes with ZILs. XFS feels really dates after using ZFS. I need to check the progress, but I'm thinking of reformatting one node once Giant comes out. On Thu, Sep 18, 2014 at 6:36 AM, Christian Balzer ch...@gol.com wrote: Hello,

[ceph-users] Newbie Ceph Design Questions

2014-09-18 Thread Christoph Adomeit
Hello Ceph-Community, we are considering to use a Ceph Cluster for serving VMs. We need goog performance and absolute stability. Regarding Ceph I have a few questions. Presently we use Solaris ZFS Boxes as NFS Storage for VMs. The zfs boxes are totally fast, because they use all free ram for

Re: [ceph-users] Newbie Ceph Design Questions

2014-09-18 Thread Christian Balzer
Hello, On Thu, 18 Sep 2014 13:07:35 +0200 Christoph Adomeit wrote: Hello Ceph-Community, we are considering to use a Ceph Cluster for serving VMs. We need goog performance and absolute stability. I really don't want to sound snarky here, but you get what you pay for, as in the old