[Pacemaker] Pacemaker on RHEL 4.8
Andrew Beekhof
andrew at beekhof.net
Thu Nov 25 14:58:08 EST 2010
On Thu, Nov 25, 2010 at 2:26 PM, Marko Potocnik
<marko.potocnik at gmail.com> wrote:
> Scratch that, resource stopping works also.
ecellent
> And I can live without yum :)
Yeah, strange. Not sure why yum would crash like that.
> Thanks again.
> On Thu, Nov 25, 2010 at 2:05 PM, Marko Potocnik <marko.potocnik at gmail.com>
> wrote:
>>
>> Thanks Andrew, I downloaded and compiled libxml2 2.8.7-1. Resource editing
>> with crm now work, but I am still having problems with resource stopping.
>> Any idea-a why whole node exits and rejoins the cluster?
>>
>> On Thu, Nov 25, 2010 at 10:22 AM, Andrew Beekhof <andrew at beekhof.net>
>> wrote:
>>>
>>> On Wed, Nov 24, 2010 at 5:55 PM, Marko Potocnik
>>> <marko.potocnik at gmail.com> wrote:
>>> > Hi,
>>> >
>>> >
>>> >
>>> > I’m also having problem with pacemaker / heartbeat on RHEL 4.8.
>>> >
>>> > First of all clusterlabs repo for epel doesn’t work with yum on RHEL
>>> > 4.8
>>> > (yum is installed from EPEL):
>>> >
>>> >
>>> >
>>> > [root at lucija ~]# yum search pacemaker
>>> >
>>> > Searching Packages:
>>> >
>>> > Setting up repositories
>>> >
>>> > epel 100% |=========================| 3.8
>>> > kB 00:00
>>> >
>>> > clusterlabs 100% |=========================| 1.2
>>> > kB 00:00
>>> >
>>> > Reading repository metadata in from local files
>>> >
>>> > 534b70e747a5d8683eaf75a00 100% |=========================| 653
>>> > kB 00:00
>>> >
>>> > epel : ##################################################
>>> > 1946/1946
>>> >
>>> > Added 1946 new packages, deleted 0 old in 4.81 seconds
>>> >
>>> > primary.xml.gz 100% |=========================| 62
>>> > kB 00:00
>>> >
>>> > clusterlab:
>>> > ##################### 122/278Traceback
>>> > (most
>>> > recent call last):
>>> >
>>> > File "/usr/bin/yum", line 29, in ?
>>> >
>>> > yummain.main(sys.argv[1:])
>>> >
>>> > File "/usr/share/yum-cli/yummain.py", line 97, in main
>>> >
>>> > result, resultmsgs = do()
>>> >
>>> > File "/usr/share/yum-cli/cli.py", line 596, in doCommands
>>> >
>>> > return self.search()
>>> >
>>> > File "/usr/share/yum-cli/cli.py", line 1216, in search
>>> >
>>> > matching = self.searchPackages(searchlist, args,
>>> > callback=self.matchcallback)
>>> >
>>> > File "__init__.py", line 1061, in searchPackages
>>> >
>>> > File "/usr/share/yum-cli/cli.py", line 75, in doRepoSetup
>>> >
>>> > self.doSackSetup(thisrepo=thisrepo)
>>> >
>>> > File "__init__.py", line 260, in doSackSetup
>>> >
>>> > File "repos.py", line 287, in populateSack
>>> >
>>> > File "sqlitecache.py", line 96, in getPrimary
>>> >
>>> > File "sqlitecache.py", line 89, in _getbase
>>> >
>>> > File "sqlitecache.py", line 359, in updateSqliteCache
>>> >
>>> > File "sqlitecache.py", line 251, in addPrimary
>>> >
>>> > File "sqlitecache.py", line 197, in insertHash
>>> >
>>> > File "sqlitecache.py", line 449, in values
>>> >
>>> > File "sqlitecache.py", line 441, in __getitem__
>>> >
>>> > File "mdparser.py", line 73, in __getitem__
>>> >
>>> > KeyError: 'sourcerpm'
>>> >
>>> >
>>> >
>>> > Here is the pacemaker.repo:
>>> >
>>> > [root at lucija ~]# cat /etc/yum.repos.d/pacemaker.repo
>>> >
>>> > [clusterlabs]
>>> >
>>> > name=High Availability/Clustering server technologies (epel-4)
>>> >
>>> > baseurl=http://www.clusterlabs.org/rpm/epel-4
>>> >
>>> > type=rpm-md
>>> >
>>> > gpgcheck=0
>>> >
>>> > enabled=1
>>> >
>>> >
>>> >
>>> > If I install it by hand if says it need python2.4, so I installed it
>>> > from
>>> > fedora rpms (http://www.python.org/download/releases/2.4.2/rpms/). I
>>> > then
>>> > copied crm python files to python2.4 and modified crm script to use
>>> > python2.4.
>>> >
>>> > Pacemaker, heartbeat and crm now run, but are buggy:
>>> >
>>> >
>>> >
>>> > - If I edit configuration I often get an error that xml in CIB can not
>>> > be
>>> > replaced. I got this when I tried to change res_ftp monitor timeout to
>>> > 40s:
>>>
>>> I think this is due to an old bug in libxml2.
>>> NTT posted about the same problem recently.
>>>
>>> >
>>> >
>>> >
>>> > [root at ankaran ~]# crm configure edit
>>> >
>>> > ERROR: could not replace rg_ftp
>>> >
>>> > INFO: offending xml: <group id="rg_ftp">
>>> >
>>> > <primitive class="ocf" id="res_ip_ftp" provider="heartbeat"
>>> > type="IPaddr2">
>>> >
>>> > <instance_attributes
>>> > id="res_ip_ftp-instance_attributes">
>>> >
>>> > <nvpair id="res_ip_ftp-instance_attributes-ip"
>>> > name="ip" value="172.18.251.6"/>
>>> >
>>> > <nvpair
>>> > id="res_ip_ftp-instance_attributes-cidr_netmask" name="cidr_netmask"
>>> > value="24"/>
>>> >
>>> > </instance_attributes>
>>> >
>>> > <operations>
>>> >
>>> > <op id="res_ip_ftp-monitor-15s" interval="15s"
>>> > name="monitor" timeout="30s"/>
>>> >
>>> > </operations>
>>> >
>>> > </primitive>
>>> >
>>> > <primitive class="lsb" id="res_ftp" type="vsftpd">
>>> >
>>> > <operations>
>>> >
>>> > <op id="res_ftp-monitor-15s" interval="15s"
>>> > name="monitor" timeout="40s"/>
>>> >
>>> > </operations>
>>> >
>>> > </primitive>
>>> >
>>> > </group>
>>> >
>>> >
>>> >
>>> > - If I try to stop a group rg_ftp, I the node on which group runs exits
>>> > and
>>> > rejoins the cluster:
>>> >
>>> >
>>> >
>>> > [root at lucija ~]# date
>>> >
>>> > Tue Nov 23 08:33:26 CET 2010
>>> >
>>> > [root at lucija ~]# crm resource stop rg_ftp
>>> >
>>> >
>>> >
>>> > crm_mon on ankaran:
>>> >
>>> > ============
>>> >
>>> > Last updated: Tue Nov 23 08:33:03 2010
>>> >
>>> > Stack: Heartbeat
>>> >
>>> > Current DC: ankaran.iskratel.si (1e7ca0d8-0bbc-4a1b-a1ce-3117975c6862)
>>> > -
>>> > partition with quorum
>>> >
>>> > Version: 1.0.9-89bd754939df5150de7cd76835f98fe90851b677
>>> >
>>> > 2 Nodes configured, unknown expected votes
>>> >
>>> > 1 Resources configured.
>>> >
>>> > ============
>>> >
>>> >
>>> >
>>> > Node lucija.iskratel.si (620b4679-8f8f-4d43-9b32-b67af24df67f): standby
>>> >
>>> > Online: [ ankaran.iskratel.si ]
>>> >
>>> >
>>> >
>>> > Full list of resources:
>>> >
>>> >
>>> >
>>> > Resource Group: rg_ftp
>>> >
>>> > res_ip_ftp (ocf::heartbeat:IPaddr2): Started
>>> > ankaran.iskratel.si
>>> >
>>> > res_ftp (lsb:vsftpd): Started ankaran.iskratel.si
>>> >
>>> >
>>> >
>>> > Migration summary:
>>> >
>>> > * Node ankaran.iskratel.si:
>>> >
>>> > * Node lucija.iskratel.si:
>>> >
>>> > Connection to the CIB terminated
>>> >
>>> > Reconnecting...
>>> >
>>> >
>>> >
>>> > Then after a few seconds:
>>> >
>>> >
>>> >
>>> > ============
>>> >
>>> > Last updated: Tue Nov 23 08:33:33 2010
>>> >
>>> > Stack: Heartbeat
>>> >
>>> > Current DC: NONE
>>> >
>>> > 2 Nodes configured, unknown expected votes
>>> >
>>> > 1 Resources configured.
>>> >
>>> > ============
>>> >
>>> >
>>> >
>>> > OFFLINE: [ ankaran.iskratel.si lucija.iskratel.si ]
>>> >
>>> >
>>> >
>>> > Full list of resources:
>>> >
>>> >
>>> >
>>> > Resource Group: rg_ftp
>>> >
>>> > res_ip_ftp (ocf::heartbeat:IPaddr2): Stopped
>>> >
>>> > res_ftp (lsb:vsftpd): Stopped
>>> >
>>> >
>>> >
>>> > Migration summary:
>>> >
>>> >
>>> >
>>> > Here is the configuration on RHEL4.8:
>>> >
>>> >
>>> >
>>> > node $id="1e7ca0d8-0bbc-4a1b-a1ce-3117975c6862" ankaran.iskratel.si
>>> >
>>> > node $id="620b4679-8f8f-4d43-9b32-b67af24df67f" lucija.iskratel.si \
>>> >
>>> > attributes standby="on"
>>> >
>>> > primitive res_ftp lsb:vsftpd \
>>> >
>>> > op monitor interval="15s" timeout="30s"
>>> >
>>> > primitive res_ip_ftp ocf:heartbeat:IPaddr2 \
>>> >
>>> > params ip="172.18.251.6" cidr_netmask="24" \
>>> >
>>> > op monitor interval="15s" timeout="30s"
>>> >
>>> > group rg_ftp res_ip_ftp res_ftp
>>> >
>>> > property $id="cib-bootstrap-options" \
>>> >
>>> > dc-version="1.0.9-89bd754939df5150de7cd76835f98fe90851b677" \
>>> >
>>> > cluster-infrastructure="Heartbeat" \
>>> >
>>> > stonith-enabled="false" \
>>> >
>>> > default-resource-stickiness="200" \
>>> >
>>> > no-quorum-policy="ignore" \
>>> >
>>> > last-lrm-refresh="1290158718"
>>> >
>>> >
>>> >
>>> > Regards,
>>> >
>>> > Marko
>>> >
>>> >
>>> > _______________________________________________
>>> > Pacemaker mailing list: Pacemaker at oss.clusterlabs.org
>>> > http://oss.clusterlabs.org/mailman/listinfo/pacemaker
>>> >
>>> > Project Home: http://www.clusterlabs.org
>>> > Getting started:
>>> > http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
>>> > Bugs:
>>> >
>>> > http://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker
>>> >
>>> >
>>>
>>> _______________________________________________
>>> Pacemaker mailing list: Pacemaker at oss.clusterlabs.org
>>> http://oss.clusterlabs.org/mailman/listinfo/pacemaker
>>>
>>> Project Home: http://www.clusterlabs.org
>>> Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
>>> Bugs:
>>> http://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker
>>
>
>
> _______________________________________________
> Pacemaker mailing list: Pacemaker at oss.clusterlabs.org
> http://oss.clusterlabs.org/mailman/listinfo/pacemaker
>
> Project Home: http://www.clusterlabs.org
> Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
> Bugs:
> http://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker
>
>
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