Re: [ceph-users] Flash for mon nodes ?

2017-06-21 Thread Wido den Hollander
> Op 21 juni 2017 om 12:38 schreef Osama Hasebou : > > > Hi Guys, > > Has anyone used flash SSD drives for nodes hosting Monitor nodes only? > > If yes, any major benefits against just using SAS drives ? > Yes: - Less latency - Faster store compacting - More reliable Buy a Intel S3710 or

Re: [ceph-users] Flash for mon nodes ?

2017-06-21 Thread Paweł Sadowski
On 06/21/2017 12:38 PM, Osama Hasebou wrote: > Hi Guys, > > Has anyone used flash SSD drives for nodes hosting Monitor nodes only? > > If yes, any major benefits against just using SAS drives ? We are using such setup for big (>500 OSDs) clusters. It makes it less painful when such cluster rebalan

Re: [ceph-users] Flash for mon nodes ?

2017-06-21 Thread Ashley Merrick
If you just mean normal DC rated SSD’s then that’s what I am running across a ~120 OSD cluster. When checking they are very unbusy and minimal use, however I can imagine the lower random latency will always help. So if you can I would. ,Ashley Sent from my iPhone On 21 Jun 2017, at 6:39 PM, O

[ceph-users] Flash for mon nodes ?

2017-06-21 Thread Osama Hasebou
Hi Guys, Has anyone used flash SSD drives for nodes hosting Monitor nodes only? If yes, any major benefits against just using SAS drives ? Thanks. Regards, Ossi ___ ceph-users mailing list ceph-users@lists.ceph.com http://lists.ceph.com/listin