[ceph-users] RHEL7/HAMMER cache tier doesn't flush or evict?

2015-04-30 Thread Don Doerner
All, Synopsis: I can't get cache tiering to work in HAMMER on RHEL7. Process: 1. Fresh install of HAMMER on RHEL7 went well. 2. Crush map adapted to provide two root level resources a. ctstorage, to use as a cache tier based on very high-performance, high IOPS SSD (intrinsic

Re: [ceph-users] RHEL7/HAMMER cache tier doesn't flush or evict?

2015-04-30 Thread Don Doerner
reapply the cache mode writeback command and see if that makes a difference? Nick -Original Message- From: ceph-users [mailto:ceph-users-boun...@lists.ceph.com] On Behalf Of Don Doerner Sent: 30 April 2015 17:57 To: ceph-users@lists.ceph.com Subject: [ceph-users] RHEL7/HAMMER cache tier

Re: [ceph-users] RHEL7/HAMMER cache tier doesn't flush or evict?

2015-04-30 Thread Mohamed Pakkeer
Hi Don, Did you configure target_ dirty_ratio, target_full_ratio and target_max_bytes? K.Mohamed Pakkeer On Thu, Apr 30, 2015 at 10:26 PM, Don Doerner don.doer...@quantum.com wrote: All, Synopsis: I can’t get cache tiering to work in HAMMER on RHEL7. Process: 1. Fresh install

Re: [ceph-users] RHEL7/HAMMER cache tier doesn't flush or evict?

2015-04-30 Thread Don Doerner
Message- From: ceph-users [mailto:ceph-users-boun...@lists.ceph.com] On Behalf Of Don Doerner Sent: 30 April 2015 18:47 To: Nick Fisk; ceph-users@lists.ceph.com Subject: Re: [ceph-users] RHEL7/HAMMER cache tier doesn't flush or evict? Sensitivity: Personal Hi Nick, For brevity, I didn't

Re: [ceph-users] RHEL7/HAMMER cache tier doesn't flush or evict?

2015-04-30 Thread Nick Fisk
[mailto:ceph-users-boun...@lists.ceph.com] On Behalf Of Don Doerner Sent: 30 April 2015 18:47 To: Nick Fisk; ceph-users@lists.ceph.com Subject: Re: [ceph-users] RHEL7/HAMMER cache tier doesn't flush or evict? Sensitivity: Personal Hi Nick, For brevity, I didn't detail all of the commands I issued

Re: [ceph-users] RHEL7/HAMMER cache tier doesn't flush or evict?

2015-04-30 Thread Nick Fisk
? Nick -Original Message- From: ceph-users [mailto:ceph-users-boun...@lists.ceph.com] On Behalf Of Don Doerner Sent: 30 April 2015 17:57 To: ceph-users@lists.ceph.com Subject: [ceph-users] RHEL7/HAMMER cache tier doesn't flush or evict? Sensitivity: Personal All, Synopsis: I can't

Re: [ceph-users] RHEL7/HAMMER cache tier doesn't flush or evict?

2015-04-30 Thread Don Doerner
rate of ~400 MB/sec, a few hundred seconds). Am I misunderstanding something? Thank you very much for your assistance! -don- From: Mohamed Pakkeer [mailto:mdfakk...@gmail.com] Sent: 30 April, 2015 10:52 To: Don Doerner Cc: ceph-users@lists.ceph.com Subject: Re: [ceph-users] RHEL7/HAMMER cache tier

Re: [ceph-users] RHEL7/HAMMER cache tier doesn't flush or evict?

2015-04-30 Thread Gregory Farnum
On Thu, Apr 30, 2015 at 10:57 AM, Nick Fisk n...@fisk.me.uk wrote: I'm using Inkscope to monitor my cluster and looking at the pool details I saw that mode was set to none. I'm pretty sure there must be a ceph cmd line to get the option state but I couldn't find anything obvious when I was

Re: [ceph-users] RHEL7/HAMMER cache tier doesn't flush or evict?

2015-04-30 Thread Mohamed Pakkeer
] *Sent:* 30 April, 2015 10:52 *To:* Don Doerner *Cc:* ceph-users@lists.ceph.com *Subject:* Re: [ceph-users] RHEL7/HAMMER cache tier doesn't flush or evict? Hi Don, Did you configure target_ dirty_ratio, target_full_ratio and target_max_bytes? K.Mohamed Pakkeer On Thu, Apr 30, 2015

Re: [ceph-users] RHEL7/HAMMER cache tier doesn't flush or evict?

2015-04-30 Thread Don Doerner
that a try. Thanks very much. -don- From: Mohamed Pakkeer [mailto:mdfakk...@gmail.com] Sent: 30 April, 2015 11:45 To: Don Doerner Cc: ceph-users@lists.ceph.com Subject: Re: [ceph-users] RHEL7/HAMMER cache tier doesn't flush or evict? Hi Don, You have to provide the target size through