Re: [ceph-users] Bypass Cache-Tiering for special reads (Backups)

2014-07-03 Thread Gregory Farnum
On Wed, Jul 2, 2014 at 3:06 PM, Marc wrote: > Hi, > > I was wondering, having a cache pool in front of an RBD pool is all fine > and dandy, but imagine you want to pull backups of all your VMs (or one > of them, or multiple...). Going to the cache for all those reads isn't > only pointless, it'll

Re: [ceph-users] Bypass Cache-Tiering for special reads (Backups)

2014-07-03 Thread Marc
On 03/07/2014 07:32, Kyle Bader wrote: >> I was wondering, having a cache pool in front of an RBD pool is all fine >> and dandy, but imagine you want to pull backups of all your VMs (or one >> of them, or multiple...). Going to the cache for all those reads isn't >> only pointless, it'll also poten

Re: [ceph-users] Bypass Cache-Tiering for special reads (Backups)

2014-07-02 Thread Kyle Bader
> I was wondering, having a cache pool in front of an RBD pool is all fine > and dandy, but imagine you want to pull backups of all your VMs (or one > of them, or multiple...). Going to the cache for all those reads isn't > only pointless, it'll also potentially fill up the cache and possibly > evi