[ceph-users] Ceph stable releases team: call for participation

Hi Ceph, TL;DR: If you have one day a week to work on the next Ceph stable releases [1] your help would be most welcome. The Ceph "Long Term Stable" (LTS) releases - currently firefly[3] and hammer[4] - are used by individuals, non-profits, government agencies and companies for their productio

Re: [ceph-users] Simultaneous CEPH OSD crashes

Hi, Le 29/09/2015 19:06, Samuel Just a écrit : > It's an EIO. The osd got an EIO from the underlying fs. That's what > causes those asserts. You probably want to redirect to the relevant > fs maling list. Thanks. I didn't get any answer on this from BTRFS developers yet. The problem seems har

[ceph-users] Crush Ruleset Questions

Hello, I've looked over the crush documentation but I am a little confused. Perhaps someone here can help me out! I have three chassis with 6 SSD osds that I use for writeback cache. I have removed one OSD from each server and I want to make a new replicated ruleset to use just these thr

[ceph-users] How to setup Ceph radosgw to support multi-tenancy?

What are the best options to setup the Ceph radosgw so it supports separate/independent "tenants"? What I'm after: 1. Ensure isolation between tenants, ie: no overlap/conflict in bucket namespace; something separate radosgw "users" doesn't achieve 2. Ability to backup/restore tenants' pools in

Re: [ceph-users] Ceph stable releases team: call for participation

On Sat, Oct 03, 2015 at 11:07:22AM +0200, Loic Dachary wrote: > Hi Ceph, > > TL;DR: If you have one day a week to work on the next Ceph stable releases > [1] your help would be most welcome. I'd like to throw my name in. As of August, I work on Ceph development for Dreamhost. Most of my work foc

Re: [ceph-users] Potential OSD deadlock?

-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 We are still struggling with this and have tried a lot of different things. Unfortunately, Inktank (now Red Hat) no longer provides consulting services for non-Red Hat systems. If there are some certified Ceph consultants in the US that we can do bot

Re: [ceph-users] Ceph stable releases team: call for participation

Hi Robin, On 03/10/2015 21:38, Robin H. Johnson wrote: > On Sat, Oct 03, 2015 at 11:07:22AM +0200, Loic Dachary wrote: >> Hi Ceph, >> >> TL;DR: If you have one day a week to work on the next Ceph stable releases >> [1] your help would be most welcome. > I'd like to throw my name in. > > As of Au

Re: [ceph-users] Potential OSD deadlock?

Hi, I don't know what brand those 4TB spindles are, but I know that mine are very bad at doing write at the same time as read. Especially small read write. This has an absurdly bad effect when doing maintenance on ceph. That being said we see a lot of difference between dumpling and hammer in per