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
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
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
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
[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
?
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
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
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
]
*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
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
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