Or just localhost as your computer and storage are on the same box.
On Fri, Jul 4, 2014 at 2:48 PM, Punit Dambiwal <hypu...@gmail.com> wrote: > Hi Andrew, > > Thanks for the update....that means HA can not work without VIP in the > gluster,so better to use the glusterfs with the VIP to take over the ip...in > case of any storage node failure... > > > On Fri, Jul 4, 2014 at 12:35 PM, Andrew Lau <and...@andrewklau.com> wrote: >> >> Don't forget to take into consideration quroum, that's something >> people often forget >> >> The reason you're having the current happen, is gluster only uses the >> initial IP address to get the volume details. After that it'll connect >> directly to ONE of the servers, so with your 2 storage server case, >> 50% chance it won't go to paused state. >> >> For the VIP, you could consider CTDB or keepelived, or even just using >> localhost (as your storage and compute are all on the same machine). >> For CTDB, checkout >> http://community.redhat.com/blog/2014/05/ovirt-3-4-glusterized/ >> >> I have a BZ open regarding gluster VMs going into paused state and not >> being resumable, so it's something you should also consider. My case, >> switch dies, gluster volume goes away, VMs go into paused state but >> can't be resumed. If you lose one server out of a cluster is a >> different story though. >> https://bugzilla.redhat.com/show_bug.cgi?id=1058300 >> >> HTH >> >> On Fri, Jul 4, 2014 at 11:48 AM, Punit Dambiwal <hypu...@gmail.com> wrote: >> > Hi, >> > >> > Thanks...can you suggest me any good how to/article for the glusterfs >> > with >> > ovirt... >> > >> > One strange thing is if i will try both (compute & storage) on the same >> > node...the below quote not happen.... >> > >> > --------------------- >> > >> > Right now, if 10.10.10.2 goes away, all your gluster mounts go away and >> > your >> > VMs get paused because the hypervisors can’t access the storage. Your >> > gluster storage is still fine, but ovirt can’t talk to it because >> > 10.10.10.2 >> > isn’t there. >> > --------------------- >> > >> > Even the 10.10.10.2 goes down...i can still access the gluster mounts >> > and no >> > VM pause....i can access the VM via ssh...no connection failure.....the >> > connection drop only in case of SPM goes down and the another node will >> > elect as SPM(All the running VM's pause in this condition). >> > >> > >> > >> > On Fri, Jul 4, 2014 at 4:12 AM, Darrell Budic >> > <darrell.bu...@zenfire.com> >> > wrote: >> >> >> >> You need to setup a virtual IP to use as the mount point, most people >> >> use >> >> keepalived to provide a virtual ip via vrrp for this. Setup something >> >> like >> >> 10.10.10.10 and use that for your mounts. >> >> >> >> Right now, if 10.10.10.2 goes away, all your gluster mounts go away and >> >> your VMs get paused because the hypervisors can’t access the storage. >> >> Your >> >> gluster storage is still fine, but ovirt can’t talk to it because >> >> 10.10.10.2 >> >> isn’t there. >> >> >> >> If the SPM goes down, it the other hypervisor hosts will elect a new >> >> one >> >> (under control of the ovirt engine). >> >> >> >> Same scenarios if storage & compute are on the same server, you still >> >> need >> >> a vip address for the storage portion to serve as the mount point so >> >> it’s >> >> not dependent on any one server. >> >> >> >> -Darrell >> >> >> >> On Jul 3, 2014, at 1:14 AM, Punit Dambiwal <hypu...@gmail.com> wrote: >> >> >> >> Hi, >> >> >> >> I have some HA related concern about glusterfs with Ovirt...let say i >> >> have >> >> 4 storage node with gluster bricks as below :- >> >> >> >> 1. 10.10.10.1 to 10.10.10.4 with 2 bricks each and i have distributed >> >> replicated architecture... >> >> 2. Now attached this gluster storge to ovrit-engine with the following >> >> mount point 10.10.10.2/vol1 >> >> 3. In my cluster i have 3 hypervisior hosts (10.10.10.5 to 10.10.10.7) >> >> SPM >> >> is on 10.10.10.5... >> >> 4. What happen if 10.10.10.2 will goes down.....can hypervisior host >> >> can >> >> still access the storage ?? >> >> 5. What happen if SPM goes down ??? >> >> >> >> Note :- What happen for point 4 &5 ,If storage and Compute both working >> >> on >> >> the same server. >> >> >> >> Thanks, >> >> Punit >> >> _______________________________________________ >> >> Users mailing list >> >> Users@ovirt.org >> >> http://lists.ovirt.org/mailman/listinfo/users >> >> >> >> >> > >> > >> > _______________________________________________ >> > Users mailing list >> > Users@ovirt.org >> > http://lists.ovirt.org/mailman/listinfo/users >> > > > _______________________________________________ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users