ory can't cache as much data as a larger SSD.
/Steffen
>
>> -Original Message-
>> From: ceph-users [mailto:ceph-users-boun...@lists.ceph.com] On Behalf Of
>> Steffen Winther
>> Sent: 09 March 2015 20:47
>> To: ceph-users@lists.ceph.com
>> Sub
be a lot
faster using a cache tier if the data resides in it.
> -Original Message-
> From: ceph-users [mailto:ceph-users-boun...@lists.ceph.com] On Behalf Of
> Steffen Winther
> Sent: 09 March 2015 20:47
> To: ceph-users@lists.ceph.com
> Subject: Re: [ceph-users] EC Poo
Nick Fisk writes:
> My Ceph cluster comprises of 4 Nodes each with the following:-
> 10x 3TB WD Red Pro disks - EC pool k=3 m=3 (7200rpm)
> 2x S3700 100GB SSD's (20k Write IOPs) for HDD Journals
> 1x S3700 400GB SSD (35k Write IOPs) for cache tier - 3x replica
If I have following 4x node config:
Hi All,
I have been experimenting with EC pools and Cache Tiers to make them more
useful for more active data sets on RBD volumes and I thought I would share
my findings so far as they have made quite a significant difference.
My Ceph cluster comprises of 4 Nodes each with the following:-
12x2.1g