Re: [ceph-users] Fwd: List of SSDs

2016-03-05 Thread Shinobu Kinjo
On Sun, Mar 6, 2016 at 3:16 PM, Heath Albritton wrote: >> On Thu, Mar 3, 2016 at 10:17 PM, Christian Balzer wrote: >> Fair enough. >> Sync tests would be nice, if nothing else to confirm that the Samsung DC >> level SSDs are suitable and how they compare in that respect to the Intels. > > I'll do

Re: [ceph-users] Fwd: List of SSDs

2016-03-05 Thread Heath Albritton
> On Thu, Mar 3, 2016 at 10:17 PM, Christian Balzer wrote: > Fair enough. > Sync tests would be nice, if nothing else to confirm that the Samsung DC > level SSDs are suitable and how they compare in that respect to the Intels. I'll do some sync testing next week and maybe gather my other results

Re: [ceph-users] Fwd: List of SSDs

2016-03-04 Thread Shinobu Kinjo
On Mar 4, 2016 5:30 PM, "Christian Balzer" wrote: > > On Fri, 4 Mar 2016 16:09:17 +0900 Shinobu Kinjo wrote: > > > Comparing with these SSDs, > > > > S3710s > > S3610s > > SM863 > > 845DC Pro > > > > which one is more reasonable in terms of performance, cost or whatever? > > S3710s does not so

Re: [ceph-users] Fwd: List of SSDs

2016-03-04 Thread Christian Balzer
On Fri, 4 Mar 2016 16:09:17 +0900 Shinobu Kinjo wrote: > Comparing with these SSDs, > > S3710s > S3610s > SM863 > 845DC Pro > > which one is more reasonable in terms of performance, cost or whatever? > S3710s does not sound reasonable to me. > Apples and Oranges. I use S3700s (I would use 3

Re: [ceph-users] Fwd: List of SSDs

2016-03-03 Thread Shinobu Kinjo
Comparing with these SSDs, S3710s S3610s SM863 845DC Pro which one is more reasonable in terms of performance, cost or whatever? S3710s does not sound reasonable to me. > And I had no luck at all getting the newer versions into a generic kernel > or Debian. So it's not always better to use

Re: [ceph-users] Fwd: List of SSDs

2016-03-03 Thread Christian Balzer
Hello, On Mon, 29 Feb 2016 15:00:08 -0800 Heath Albritton wrote: > > Did you just do these tests or did you also do the "suitable for Ceph" > > song and dance, as in sync write speed? > > These were done with libaio, so async. I can do a sync test if that > helps. My goal for testing wasn't s

Re: [ceph-users] Fwd: List of SSDs

2016-02-29 Thread Heath Albritton
> Did you just do these tests or did you also do the "suitable for Ceph" > song and dance, as in sync write speed? These were done with libaio, so async. I can do a sync test if that helps. My goal for testing wasn't specifically suitability with ceph, but overall suitability in my environment,

Re: [ceph-users] Fwd: List of SSDs

2016-02-28 Thread Christian Balzer
Hello, On Sat, 27 Feb 2016 18:07:38 -0800 Heath Albritton wrote: > I've done a bit of testing with the Intel units: S3600, S3700, S3710, and > P3700. I've also tested the Samsung 850 Pro, 845DC Pro, and SM863. > > All of my testing was "worst case IOPS" as described here: > > http://www.anand

[ceph-users] Fwd: List of SSDs

2016-02-27 Thread Heath Albritton
I've done a bit of testing with the Intel units: S3600, S3700, S3710, and P3700. I've also tested the Samsung 850 Pro, 845DC Pro, and SM863. All of my testing was "worst case IOPS" as described here: http://www.anandtech.com/show/8319/samsung-ssd-845dc-evopro-preview-exploring-worstcase-iops/6