ceph-iscsi doesn't support round-robin multi-pathing; so you need at least one LUN per gateway to utilize all of them.
Please see https://docs.ceph.com for basics about RBDs and pools. Paul -- Paul Emmerich Looking for help with your Ceph cluster? Contact us at https://croit.io croit GmbH Freseniusstr. 31h 81247 München www.croit.io Tel: +49 89 1896585 90 On Thu, Dec 5, 2019 at 5:04 PM Philip Brown <pbr...@medata.com> wrote: > Interesting. > I thought when you defined a pool, and then defined an RBD within that > pool.. that any auto-replication stayed within that pool? > So what kind of "load balancing" do you mean? > I'm confused. > > > > > ----- Original Message ----- > From: "Paul Emmerich" <paul.emmer...@croit.io> > To: "Philip Brown" <pbr...@medata.com> > Cc: "ceph-users" <ceph-users@lists.ceph.com> > Sent: Wednesday, December 4, 2019 12:05:47 PM > Subject: Re: [ceph-users] best pool usage for vmware backing > > 1 pool per storage class (e.g., SSD and HDD), at least one RBD per > gateway per pool for load balancing (failover-only load balancing > policy). > > Paul > > -- > Paul Emmerich > > Looking for help with your Ceph cluster? Contact us at https://croit.io > > croit GmbH > Freseniusstr. 31h > 81247 München > www.croit.io > Tel: +49 89 1896585 90 > > On Wed, Dec 4, 2019 at 8:51 PM Philip Brown <pbr...@medata.com> wrote: > > > > Lets say that you had roughly 60 OSDs that you wanted to use to provide > storage for VMware, through RBDs served through iscsi. > > > > Target VM types are completely mixed. Web front ends, app tier.. a few > databases.. and the kitchen sink. > > Estimated number of VMs: 50-200 > > b > > > > How would people recommend the storage be divided up? > > > > The big questions are: > > > > * 1 pool, or multiple,and why > > > > * many RBDs, few RBDs, or single RBD per pool? why? > > > > > > > > > > > > > > > > -- > > Philip Brown| Sr. Linux System Administrator | Medata, Inc. > > 5 Peters Canyon Rd Suite 250 > > Irvine CA 92606 > > Office 714.918.1310| Fax 714.918.1325 > > pbr...@medata.com| www.medata.com > > _______________________________________________ > > ceph-users mailing list > > ceph-users@lists.ceph.com > > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >
_______________________________________________ ceph-users mailing list ceph-users@lists.ceph.com http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
