> > Dear list members, > > If I understand well, here are the steps I have to follow to configure a > fence device that will use SUN ILOM interface : > > 1. Ensure that OpenIPMI and OpenIPMI-tools packages are installed on the > cluster nodes. > 2. With system-config-cluster tool, add a new fence device of type "IPMI > Lan". Fill the form with the ILOM IP address, the name of the > administrator user and his password. Then associate the fence device with > the cluster node. > 3. Repeat the step above for the SUN ILOM interface of each node. > 4. Send the new configuration to the cluster > 5. That's all and everything will be handle correctly by the cluster. > > Am I ok? > > Best regards > __________________ > > Stephanie Lanthier > > Analyste de l'informatique > Universite du Quebec a Montreal > Service de l'informatique et des telecommunications > lanthier.stephanie@xxxxxxx > Téléphone : 514-987-3000 poste 6106 > Bureau : PK-M535 > > > > > > > ------------------------------ > > Message: 13 > Date: Fri, 10 Aug 2007 14:21:31 -0500 (CDT) > From: brad@xxxxxxxxxxxxxx > Subject: Re: Add a fence device of type SUN ILOM > To: "linux clustering" <linux-cluster@xxxxxxxxxx> > Message-ID: > <56032.129.237.174.144.1186773691.squirrel@xxxxxxxxxxxxxxxxxxxxxx> > Content-Type: text/plain;charset=iso-8859-1 > > >> brad@xxxxxxxxxxxxxx wrote: >> >>>>brad@xxxxxxxxxxxxxx wrote: >>>> >>>> >>>>>>Quentin Arce wrote: >>>>>> >>>>>> >>>>>> >>>>>> >>>>>>>>>My machines are SUN Fire X4100. I see that we can define a fence >>>>>>>>>device of type HP ILO. I would like to know if I can use the HP >>>>>>>>> ILO >>>>>>>>>form in system-config-cluster tool to enter and use a SUN ILOM as >>>>>>>>>fence device? >>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>How does ILOM work? telnet or ssh? Is there an snmp interface to >>>>>>>>ILOM? >>>>>>>>If so, there might be a way...by hacking on another agent. >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>So, I'm a lurker on this list as I no longer have a cluster up... >>>>>>> but >>>>>>>I work on ILOM and I would love to see this work. This isn't >>>>>>> official >>>>>>>support, I'm a developer not a customer support person. So, it's >>>>>>> more >>>>>>>on my time. If there is anything I can do... Please let me know. >>>>>>>Questions on this problem, regarding what ILOM can / can't do, how >>>>>>> to >>>>>>>check state of the server via ILOM, etc. >>>>>>> >>>>>>> >>>>>>> >>>>>>Quentin! That is very kind of you. If you help with the ILOM >>>>>> protocol, >>>>>>I'll help with the agent/script. This thread could form a document on >>>>>>how to write an arbitrary fence agent for use with rhcs. >>>>>> >>>>>>Where is documentation available? Generally, three things are needed >>>>>>from a baseboard management device in order to use it for fencing: 1) >>>>>> A >>>>>>way to shut the system down, 2) a way to power the system up, and 3) >>>>>> a >>>>>>way to check if it is up or down. >>>>>> >>>>>>What means can a script use to communicate with the ILOM card? Are >>>>>>there >>>>>>big delta's in the protocol between different ILOM versions? >>>>>> >>>>>>I look forward to hearing from you. >>>>>> >>>>>>-J >>>>>> >>>>>> >>>>>> >>>>>I am interested in seeing this thread play out as well since I have 26 >>>>>SUN >>>>>servers I am beginning to cluster. My question is why use SNMP over >>>>>IPMI >>>>>v2.0. I can do the above three things with: >>>>> >>>>>/usr/bin/ipmitool -U <user> -P <password> -H <ilom IP> chassis power >>>>> off >>>>>/usr/bin/ipmitool -U <user> -P <password> -H <ilom IP> chassis power >>>>> on >>>>>/usr/bin/ipmitool -U <user> -P <password> -H <ilom IP> chassis power >>>>>status >>>>> >>>>>I don't need any MIB's for this either. It seems to me this might be >>>>> an >>>>>easier solution than snmp, but I may be missing something. >>>>> >>>>> >>>>> >>>>> >>>>Oh make sure you are using lanplus mode for this. >>>> >>>> >>>> >>> >>>Will do, and thanks. >>> >>> >> That is a nice solution. There is a fence_ipmilan agent in the red hat >> cluster distibution...how are you invoking the above for fencing? To >> check if the rh agent works, here is the command line you would use (it >> installs into /sbin...): >> >> /sbin/fence_ipmilan -a <ilom IP> -l <user> -p <password> -P -o >> [off,on,reboot,status] >> >> There is a man page for fence_ipmilan that details some extra params. >> >> Well, I guess that solves the issue...if anyone would use an snmp-based >> ILOM agent, we could talk about how to construct that...otherwise, so >> much for my idea of this thread being instructions for creating >> arbitrary agents! ;) >> >> -J >> > > I just tested it and it seems to work perfectly. Sorry for bringing the > thread to a premature end :) > > Brad Crotchett > brad@xxxxxxxxxxxxxx > http://www.bradandkim.net > > > -- > Linux-cluster mailing list > Linux-cluster@xxxxxxxxxx > https://www.redhat.com/mailman/listinfo/linux-cluster > I believe that will do it. I just tested shutting down the network interfaces on one node and fenced successfully used the ipmilan fencing agent to reboot the node. Brad Crotchett brad@xxxxxxxxxxxxxx http://www.bradandkim.net -- Linux-cluster mailing list Linux-cluster@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cluster
