Assuming that we use a 3 copy approach across the hypervisors, does Gluster favour the local copy on the hypervisor if the data is on distributed/replicated ? It would be good to avoid the network hop when the data is on the local disk. Tim > -----Original Message----- > From: gluster-users-bounces at gluster.org [mailto:gluster-users- > bounces at gluster.org] On Behalf Of Fernando Frediani (Qube) > Sent: 28 June 2012 11:43 > To: 'Nicolas Sebrecht'; 'Thomas Jackson' > Cc: 'gluster-users' > Subject: Re: about HA infrastructure for hypervisors > > You should indeed to use the same server running as a storage brick as a > KVM host to maximize hardware and power usage. Only thing I am not sure > is if you can limit the amount of host memory Gluster can eat so most of it > gets reserved for the Virtual Machines. > > Fernando > > -----Original Message----- > From: gluster-users-bounces at gluster.org [mailto:gluster-users- > bounces at gluster.org] On Behalf Of Nicolas Sebrecht > Sent: 28 June 2012 10:31 > To: Thomas Jackson > Cc: 'gluster-users' > Subject: Re: about HA infrastructure for hypervisors > > The 28/06/12, Thomas Jackson wrote: > > > Why don't you have KVM running on the Gluster bricks as well? > > Good point. While abtracting we decided to seperate KVM & Gluster but I > can't remember why. > We'll think about that again. > > > We have a 4 node cluster (each with 4x 300GB 15k SAS drives in > > RAID10), 10 gigabit SFP+ Ethernet (with redundant switching). Each > > node participates in a distribute+replicate Gluster namespace and runs > > KVM. We found this to be the most efficient (and fastest) way to run the > cluster. > > > > This works well for us, although (due to Gluster using fuse) it isn't > > as fast as we would like. Currently waiting for the KVM driver that > > has been discussed a few times recently, that should make a huge > > difference to the performance for us. > > Ok! Thanks. > > -- > Nicolas Sebrecht > _______________________________________________ > Gluster-users mailing list > Gluster-users at gluster.org > http://gluster.org/cgi-bin/mailman/listinfo/gluster-users > _______________________________________________ > Gluster-users mailing list > Gluster-users at gluster.org > http://gluster.org/cgi-bin/mailman/listinfo/gluster-users -------------- next part -------------- A non-text attachment was scrubbed... Name: smime.p7s Type: application/pkcs7-signature Size: 5201 bytes Desc: not available URL: <http://gluster.org/pipermail/gluster-users/attachments/20120628/737ce5ce/attachment.bin>
