Well.... Is just a simple ubuntu server with TGT installed... I follow this website: http://www.cyberciti.biz/tips/howto-setup-linux-iscsi-target-sanwith-tgt.html
2014-07-07 13:57 GMT-03:00 Jean R. Franco <[email protected]>: > Hi Gilberto, > > What is the iSCSI solution you´re using? > > Thanks, > > ------------------------------ > *De: *"Gilberto Nunes" <[email protected]> > *Para: *"admin-at-extremeshok-dot-com" <[email protected]>, > [email protected] > *Enviadas: *Segunda-feira, 7 de julho de 2014 7:59:54 > *Assunto: *Re: [PVE-User] Cluster HA withtou Fence Device ! > > > Well > I am using iSCSI for storage and quorum... > First I tried with 3 nodes plus storage... > I shutdown the node1 where VM was running and the VM restart on node2... > > > > > > > 2014-07-07 7:20 GMT-03:00 admin-at-extremeshok-dot-com < > [email protected]>: > >> Assuming he is using shared storage (NAS)... >> >> The nas operates as a 3rd node, and the systems are fenced via the NAS. >> >> As long as 1 node can communicate with the NAS, it will have a higher >> quorum, than the node that cant connect to the NAS. >> >> Single point of failure is NAS, so its not HA. >> >> >> On 7/7/2014 11:50 AM, Yannis Milios wrote: >> >> I tried the same config on a lab but does not work. >> I think its not possible to have HA without proper fencing. >> Im >> On Jul 7, 2014 12:40 PM, "Angel Docampo" <[email protected]> wrote: >> >>> What do you mean by "it works"? >>> Without fence mechanism, the cluster won't be aware there a node down, >>> and then you can continue writing modifications in both sides and finish >>> with a split brain. >>> >>> >>> >>> El 05/07/14 21:49, Gilberto Nunes escribió: >>> >>> WOW >>> >>> Even with just 2 nodes HA works fine!!!! >>> >>> I have tested some minutes ago... >>> >>> Is there something improvement on HA Code?? >>> >>> I would like to know... >>> >>> Thanks >>> >>> >>> 2014-07-05 16:37 GMT-03:00 Gilberto Nunes <[email protected]>: >>> >>>> Hi >>>> >>>> Today I have deploy a tree node plus storage scenario in a lab. >>>> First at all, I image that I need configure fence device, as docs >>>> demand... >>>> So, I decide to use a MAnaged Switch (DLikn DES-3028). >>>> But, I realize that even without fence configuratio HA works properly >>>> and NICE, I might add.. >>>> >>>> Here's the configuration: >>>> >>>> <?xml version="1.0"?> >>>> <cluster config_version="18" name="CLUSTER"> >>>> <cman expected_votes="3" >>>> keyfile="/var/lib/pve-cluster/corosync.authkey"/> >>>> <quorumd allow_kill="0" interval="3" label="quorum" tko="10" >>>> votes="1"> >>>> <heuristic interval="3" program="ping 10.90.90.100 -c1 -w1" >>>> score="1" tko="4"/> >>>> <heuristic interval="3" program="ip addr | grep eth0 | grep -q UP" >>>> score="2" tko="3"/> >>>> </quorumd> >>>> <totem token="54000"/> >>>> <clusternodes> >>>> <clusternode name="pve01" nodeid="1" votes="1"> >>>> </clusternode> >>>> <clusternode name="pve02" nodeid="2" votes="1"> >>>> </clusternode> >>>> <clusternode name="pve03" nodeid="3" votes="1"> >>>> </clusternode> >>>> </clusternodes> >>>> <rm> >>>> <failoverdomains> >>>> <failoverdomain name="serverfailover" ordered="1" restricted="0"> >>>> <failoverdomainnode name="pve1" priority="1"/> >>>> <failoverdomainnode name="pve2" priority="2"/> >>>> <failoverdomainnode name="pve3" priority="3"/> >>>> </failoverdomain> >>>> </failoverdomains> >>>> <pvevm autostart="1" vmid="100"/> >>>> </rm> >>>> </cluster> >>>> >>>> >>>> I always though that I need fence device in order to make HA work... >>>> >>>> Thanks >>>> >>>> -- >>>> Gilberto Ferreira >>>> >>> >>> >>> >>> -- >>> Gilberto Ferreira >>> >>> >>> _______________________________________________ >>> pve-user mailing >>> [email protected]http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user >>> >>> >>> -- >>> >>> >>> >>> *Angel Docampo * >>> *Datalab Tecnologia, s.a.* >>> Castillejos, 352 - 08025 Barcelona >>> Tel. 93 476 69 14 - Ext: 706 >>> Mob. 670.299.381 >>> >>> _______________________________________________ >>> pve-user mailing list >>> [email protected] >>> http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user >>> >>> >> >> _______________________________________________ >> pve-user mailing >> [email protected]http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user >> >> >> >> _______________________________________________ >> pve-user mailing list >> [email protected] >> http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user >> >> > > > -- > Gilberto Ferreira > > _______________________________________________ > pve-user mailing list > [email protected] > http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user > > -- Gilberto Ferreira
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