Further clarification, 12:1 with SATA spinners as the OSD data drives. On Tue, Jul 7, 2015 at 9:11 AM, David Burley <da...@slashdotmedia.com> wrote:
> There is at least one benefit, you can go more dense. In our testing of > real workloads, you can get a 12:1 OSD to Journal drive ratio (or even > higher) using the P3700. This assumes you are willing to accept the impact > of losing 12 OSDs when a journal croaks. > > On Tue, Jul 7, 2015 at 8:33 AM, Andrew Thrift <and...@networklabs.co.nz> > wrote: > >> We are running NVMe Intel P3700's as journals for about 8 months now. >> 1x P3700 per 6x OSD. >> >> So far they have been reliable. >> >> We are using S3700, S3710 and P3700 as journals and there is _currently_ >> no real benefit of the P3700 over the SATA units as journals for Ceph. >> >> >> Regards, >> >> >> >> >> > > > -- > David Burley > NOC Manager, Sr. Systems Programmer/Analyst > Slashdot Media > > e: da...@slashdotmedia.com > -- David Burley NOC Manager, Sr. Systems Programmer/Analyst Slashdot Media e: da...@slashdotmedia.com
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