dlm_controld
and gfs_controld
helpers which act as the glue between the filesystem and the cluster software. Supporting CMAN enables us to use the versions already being shipped by most distributions (since CMAN has been around longer than Pacemaker and is part of the Red Hat cluster stack).
/etc/corosync/service.d/pcmk
and stopping Corosync.
[root@pcmk-1 ~]# yum install -y cman gfs2-utils gfs2-cluster
Loaded plugins: auto-update-debuginfo
Setting up Install Process
Resolving Dependencies
--> Running transaction check
---> Package cman.x86_64 0:3.1.7-1.fc15 will be installed
--> Processing Dependency: modcluster >= 0.18.1-1 for package: cman-3.1.7-1.fc15.x86_64
--> Processing Dependency: fence-agents >= 3.1.5-1 for package: cman-3.1.7-1.fc15.x86_64
--> Processing Dependency: openais >= 1.1.4-1 for package: cman-3.1.7-1.fc15.x86_64
--> Processing Dependency: ricci >= 0.18.1-1 for package: cman-3.1.7-1.fc15.x86_64
--> Processing Dependency: libSaCkpt.so.3(OPENAIS_CKPT_B.01.01)(64bit) for package: cman-3.1.7-1.fc15.x86_64
--> Processing Dependency: libSaCkpt.so.3()(64bit) for package: cman-3.1.7-1.fc15.x86_64
---> Package gfs2-cluster.x86_64 0:3.1.1-2.fc15 will be installed
---> Package gfs2-utils.x86_64 0:3.1.1-2.fc15 will be installed
--> Running transaction check
---> Package fence-agents.x86_64 0:3.1.5-1.fc15 will be installed
--> Processing Dependency: /usr/bin/virsh for package: fence-agents-3.1.5-1.fc15.x86_64
--> Processing Dependency: net-snmp-utils for package: fence-agents-3.1.5-1.fc15.x86_64
--> Processing Dependency: sg3_utils for package: fence-agents-3.1.5-1.fc15.x86_64
--> Processing Dependency: perl(Net::Telnet) for package: fence-agents-3.1.5-1.fc15.x86_64
--> Processing Dependency: /usr/bin/ipmitool for package: fence-agents-3.1.5-1.fc15.x86_64
--> Processing Dependency: perl-Net-Telnet for package: fence-agents-3.1.5-1.fc15.x86_64
--> Processing Dependency: pexpect for package: fence-agents-3.1.5-1.fc15.x86_64
--> Processing Dependency: pyOpenSSL for package: fence-agents-3.1.5-1.fc15.x86_64
--> Processing Dependency: python-suds for package: fence-agents-3.1.5-1.fc15.x86_64
---> Package modcluster.x86_64 0:0.18.7-1.fc15 will be installed
--> Processing Dependency: oddjob for package: modcluster-0.18.7-1.fc15.x86_64
---> Package openais.x86_64 0:1.1.4-2.fc15 will be installed
---> Package openaislib.x86_64 0:1.1.4-2.fc15 will be installed
---> Package ricci.x86_64 0:0.18.7-1.fc15 will be installed
--> Processing Dependency: parted for package: ricci-0.18.7-1.fc15.x86_64
--> Processing Dependency: nss-tools for package: ricci-0.18.7-1.fc15.x86_64
--> Running transaction check
---> Package ipmitool.x86_64 0:1.8.11-6.fc15 will be installed
---> Package libvirt-client.x86_64 0:0.8.8-7.fc15 will be installed
--> Processing Dependency: libnetcf.so.1(NETCF_1.3.0)(64bit) for package: libvirt-client-0.8.8-7.fc15.x86_64
--> Processing Dependency: cyrus-sasl-md5 for package: libvirt-client-0.8.8-7.fc15.x86_64
--> Processing Dependency: gettext for package: libvirt-client-0.8.8-7.fc15.x86_64
--> Processing Dependency: nc for package: libvirt-client-0.8.8-7.fc15.x86_64
--> Processing Dependency: libnuma.so.1(libnuma_1.1)(64bit) for package: libvirt-client-0.8.8-7.fc15.x86_64
--> Processing Dependency: libnuma.so.1(libnuma_1.2)(64bit) for package: libvirt-client-0.8.8-7.fc15.x86_64
--> Processing Dependency: libnetcf.so.1(NETCF_1.2.0)(64bit) for package: libvirt-client-0.8.8-7.fc15.x86_64
--> Processing Dependency: gnutls-utils for package: libvirt-client-0.8.8-7.fc15.x86_64
--> Processing Dependency: libnetcf.so.1(NETCF_1.0.0)(64bit) for package: libvirt-client-0.8.8-7.fc15.x86_64
--> Processing Dependency: libxenstore.so.3.0()(64bit) for package: libvirt-client-0.8.8-7.fc15.x86_64
--> Processing Dependency: libyajl.so.1()(64bit) for package: libvirt-client-0.8.8-7.fc15.x86_64
--> Processing Dependency: libnl.so.1()(64bit) for package: libvirt-client-0.8.8-7.fc15.x86_64
--> Processing Dependency: libnuma.so.1()(64bit) for package: libvirt-client-0.8.8-7.fc15.x86_64
--> Processing Dependency: libaugeas.so.0()(64bit) for package: libvirt-client-0.8.8-7.fc15.x86_64
--> Processing Dependency: libnetcf.so.1()(64bit) for package: libvirt-client-0.8.8-7.fc15.x86_64
---> Package net-snmp-utils.x86_64 1:5.6.1-7.fc15 will be installed
---> Package nss-tools.x86_64 0:3.12.10-6.fc15 will be installed
---> Package oddjob.x86_64 0:0.31-2.fc15 will be installed
---> Package parted.x86_64 0:2.3-10.fc15 will be installed
---> Package perl-Net-Telnet.noarch 0:3.03-12.fc15 will be installed
---> Package pexpect.noarch 0:2.3-6.fc15 will be installed
---> Package pyOpenSSL.x86_64 0:0.10-3.fc15 will be installed
---> Package python-suds.noarch 0:0.3.9-3.fc15 will be installed
---> Package sg3_utils.x86_64 0:1.29-3.fc15 will be installed
--> Processing Dependency: sg3_utils-libs = 1.29-3.fc15 for package: sg3_utils-1.29-3.fc15.x86_64
--> Processing Dependency: libsgutils2.so.2()(64bit) for package: sg3_utils-1.29-3.fc15.x86_64
--> Running transaction check
---> Package augeas-libs.x86_64 0:0.9.0-1.fc15 will be installed
---> Package cyrus-sasl-md5.x86_64 0:2.1.23-18.fc15 will be installed
---> Package gettext.x86_64 0:0.18.1.1-7.fc15 will be installed
--> Processing Dependency: libgomp.so.1(GOMP_1.0)(64bit) for package: gettext-0.18.1.1-7.fc15.x86_64
--> Processing Dependency: libgettextlib-0.18.1.so()(64bit) for package: gettext-0.18.1.1-7.fc15.x86_64
--> Processing Dependency: libgettextsrc-0.18.1.so()(64bit) for package: gettext-0.18.1.1-7.fc15.x86_64
--> Processing Dependency: libgomp.so.1()(64bit) for package: gettext-0.18.1.1-7.fc15.x86_64
---> Package gnutls-utils.x86_64 0:2.10.5-1.fc15 will be installed
---> Package libnl.x86_64 0:1.1-14.fc15 will be installed
---> Package nc.x86_64 0:1.100-3.fc15 will be installed
--> Processing Dependency: libbsd.so.0(LIBBSD_0.0)(64bit) for package: nc-1.100-3.fc15.x86_64
--> Processing Dependency: libbsd.so.0(LIBBSD_0.2)(64bit) for package: nc-1.100-3.fc15.x86_64
--> Processing Dependency: libbsd.so.0()(64bit) for package: nc-1.100-3.fc15.x86_64
---> Package netcf-libs.x86_64 0:0.1.9-1.fc15 will be installed
---> Package numactl.x86_64 0:2.0.7-1.fc15 will be installed
---> Package sg3_utils-libs.x86_64 0:1.29-3.fc15 will be installed
---> Package xen-libs.x86_64 0:4.1.1-3.fc15 will be installed
--> Processing Dependency: xen-licenses for package: xen-libs-4.1.1-3.fc15.x86_64
---> Package yajl.x86_64 0:1.0.11-1.fc15 will be installed
--> Running transaction check
---> Package gettext-libs.x86_64 0:0.18.1.1-7.fc15 will be installed
---> Package libbsd.x86_64 0:0.2.0-4.fc15 will be installed
---> Package libgomp.x86_64 0:4.6.1-9.fc15 will be installed
---> Package xen-licenses.x86_64 0:4.1.1-3.fc15 will be installed
--> Finished Dependency Resolution
Dependencies Resolved
=============================================================================
Package Arch Version Repository Size
=============================================================================
Installing:
cman x86_64 3.1.7-1.fc15 updates 366 k
gfs2-cluster x86_64 3.1.1-2.fc15 fedora 69 k
gfs2-utils x86_64 3.1.1-2.fc15 fedora 222 k
Installing for dependencies:
augeas-libs x86_64 0.9.0-1.fc15 updates 311 k
cyrus-sasl-md5 x86_64 2.1.23-18.fc15 updates 46 k
fence-agents x86_64 3.1.5-1.fc15 updates 186 k
gettext x86_64 0.18.1.1-7.fc15 fedora 1.0 M
gettext-libs x86_64 0.18.1.1-7.fc15 fedora 610 k
gnutls-utils x86_64 2.10.5-1.fc15 fedora 101 k
ipmitool x86_64 1.8.11-6.fc15 fedora 273 k
libbsd x86_64 0.2.0-4.fc15 fedora 37 k
libgomp x86_64 4.6.1-9.fc15 updates 95 k
libnl x86_64 1.1-14.fc15 fedora 118 k
libvirt-client x86_64 0.8.8-7.fc15 updates 2.4 M
modcluster x86_64 0.18.7-1.fc15 fedora 187 k
nc x86_64 1.100-3.fc15 updates 24 k
net-snmp-utils x86_64 1:5.6.1-7.fc15 fedora 180 k
netcf-libs x86_64 0.1.9-1.fc15 updates 50 k
nss-tools x86_64 3.12.10-6.fc15 updates 723 k
numactl x86_64 2.0.7-1.fc15 updates 54 k
oddjob x86_64 0.31-2.fc15 fedora 61 k
openais x86_64 1.1.4-2.fc15 fedora 190 k
openaislib x86_64 1.1.4-2.fc15 fedora 88 k
parted x86_64 2.3-10.fc15 updates 618 k
perl-Net-Telnet noarch 3.03-12.fc15 fedora 55 k
pexpect noarch 2.3-6.fc15 fedora 141 k
pyOpenSSL x86_64 0.10-3.fc15 fedora 198 k
python-suds noarch 0.3.9-3.fc15 fedora 195 k
ricci x86_64 0.18.7-1.fc15 fedora 584 k
sg3_utils x86_64 1.29-3.fc15 fedora 465 k
sg3_utils-libs x86_64 1.29-3.fc15 fedora 54 k
xen-libs x86_64 4.1.1-3.fc15 updates 310 k
xen-licenses x86_64 4.1.1-3.fc15 updates 64 k
yajl x86_64 1.0.11-1.fc15 fedora 27 k
Transaction Summary
=============================================================================
Install 34 Package(s)
Total download size: 10 M
Installed size: 38 M
Downloading Packages:
(1/34): augeas-libs-0.9.0-1.fc15.x86_64.rpm | 311 kB 00:00
(2/34): cman-3.1.7-1.fc15.x86_64.rpm | 366 kB 00:00
(3/34): cyrus-sasl-md5-2.1.23-18.fc15.x86_64.rpm | 46 kB 00:00
(4/34): fence-agents-3.1.5-1.fc15.x86_64.rpm | 186 kB 00:00
(5/34): gettext-0.18.1.1-7.fc15.x86_64.rpm | 1.0 MB 00:01
(6/34): gettext-libs-0.18.1.1-7.fc15.x86_64.rpm | 610 kB 00:00
(7/34): gfs2-cluster-3.1.1-2.fc15.x86_64.rpm | 69 kB 00:00
(8/34): gfs2-utils-3.1.1-2.fc15.x86_64.rpm | 222 kB 00:00
(9/34): gnutls-utils-2.10.5-1.fc15.x86_64.rpm | 101 kB 00:00
(10/34): ipmitool-1.8.11-6.fc15.x86_64.rpm | 273 kB 00:00
(11/34): libbsd-0.2.0-4.fc15.x86_64.rpm | 37 kB 00:00
(12/34): libgomp-4.6.1-9.fc15.x86_64.rpm | 95 kB 00:00
(13/34): libnl-1.1-14.fc15.x86_64.rpm | 118 kB 00:00
(14/34): libvirt-client-0.8.8-7.fc15.x86_64.rpm | 2.4 MB 00:01
(15/34): modcluster-0.18.7-1.fc15.x86_64.rpm | 187 kB 00:00
(16/34): nc-1.100-3.fc15.x86_64.rpm | 24 kB 00:00
(17/34): net-snmp-utils-5.6.1-7.fc15.x86_64.rpm | 180 kB 00:00
(18/34): netcf-libs-0.1.9-1.fc15.x86_64.rpm | 50 kB 00:00
(19/34): nss-tools-3.12.10-6.fc15.x86_64.rpm | 723 kB 00:00
(20/34): numactl-2.0.7-1.fc15.x86_64.rpm | 54 kB 00:00
(21/34): oddjob-0.31-2.fc15.x86_64.rpm | 61 kB 00:00
(22/34): openais-1.1.4-2.fc15.x86_64.rpm | 190 kB 00:00
(23/34): openaislib-1.1.4-2.fc15.x86_64.rpm | 88 kB 00:00
(24/34): parted-2.3-10.fc15.x86_64.rpm | 618 kB 00:00
(25/34): perl-Net-Telnet-3.03-12.fc15.noarch.rpm | 55 kB 00:00
(26/34): pexpect-2.3-6.fc15.noarch.rpm | 141 kB 00:00
(27/34): pyOpenSSL-0.10-3.fc15.x86_64.rpm | 198 kB 00:00
(28/34): python-suds-0.3.9-3.fc15.noarch.rpm | 195 kB 00:00
(29/34): ricci-0.18.7-1.fc15.x86_64.rpm | 584 kB 00:00
(30/34): sg3_utils-1.29-3.fc15.x86_64.rpm | 465 kB 00:00
(31/34): sg3_utils-libs-1.29-3.fc15.x86_64.rpm | 54 kB 00:00
(32/34): xen-libs-4.1.1-3.fc15.x86_64.rpm | 310 kB 00:00
(33/34): xen-licenses-4.1.1-3.fc15.x86_64.rpm | 64 kB 00:00
(34/34): yajl-1.0.11-1.fc15.x86_64.rpm | 27 kB 00:00
-----------------------------------------------------------------------------
Total 803 kB/s | 10 MB 00:12
Running rpm_check_debug
Running Transaction Test
Transaction Test Succeeded
Running Transaction
Installing : openais-1.1.4-2.fc15.x86_64 1/34
Installing : openaislib-1.1.4-2.fc15.x86_64 2/34
Installing : libnl-1.1-14.fc15.x86_64 3/34
Installing : augeas-libs-0.9.0-1.fc15.x86_64 4/34
Installing : oddjob-0.31-2.fc15.x86_64 5/34
Installing : modcluster-0.18.7-1.fc15.x86_64 6/34
Installing : netcf-libs-0.1.9-1.fc15.x86_64 7/34
Installing : 1:net-snmp-utils-5.6.1-7.fc15.x86_64 8/34
Installing : sg3_utils-libs-1.29-3.fc15.x86_64 9/34
Installing : sg3_utils-1.29-3.fc15.x86_64 10/34
Installing : libgomp-4.6.1-9.fc15.x86_64 11/34
Installing : gnutls-utils-2.10.5-1.fc15.x86_64 12/34
Installing : pyOpenSSL-0.10-3.fc15.x86_64 13/34
Installing : parted-2.3-10.fc15.x86_64 14/34
Installing : cyrus-sasl-md5-2.1.23-18.fc15.x86_64 15/34
Installing : python-suds-0.3.9-3.fc15.noarch 16/34
Installing : ipmitool-1.8.11-6.fc15.x86_64 17/34
Installing : perl-Net-Telnet-3.03-12.fc15.noarch 18/34
Installing : numactl-2.0.7-1.fc15.x86_64 19/34
Installing : yajl-1.0.11-1.fc15.x86_64 20/34
Installing : gettext-libs-0.18.1.1-7.fc15.x86_64 21/34
Installing : gettext-0.18.1.1-7.fc15.x86_64 22/34
Installing : libbsd-0.2.0-4.fc15.x86_64 23/34
Installing : nc-1.100-3.fc15.x86_64 24/34
Installing : xen-licenses-4.1.1-3.fc15.x86_64 25/34
Installing : xen-libs-4.1.1-3.fc15.x86_64 26/34
Installing : libvirt-client-0.8.8-7.fc15.x86_64 27/34
Note: This output shows SysV services only and does not include native
systemd services. SysV configuration data might be overridden by native
systemd configuration.
Installing : nss-tools-3.12.10-6.fc15.x86_64 28/34
Installing : ricci-0.18.7-1.fc15.x86_64 29/34
Installing : pexpect-2.3-6.fc15.noarch 30/34
Installing : fence-agents-3.1.5-1.fc15.x86_64 31/34
Installing : cman-3.1.7-1.fc15.x86_64 32/34
Installing : gfs2-cluster-3.1.1-2.fc15.x86_64 33/34
Installing : gfs2-utils-3.1.1-2.fc15.x86_64 34/34
Installed:
cman.x86_64 0:3.1.7-1.fc15 gfs2-cluster.x86_64 0:3.1.1-2.fc15
gfs2-utils.x86_64 0:3.1.1-2.fc15
Dependency Installed:
augeas-libs.x86_64 0:0.9.0-1.fc15
cyrus-sasl-md5.x86_64 0:2.1.23-18.fc15
fence-agents.x86_64 0:3.1.5-1.fc15
gettext.x86_64 0:0.18.1.1-7.fc15
gettext-libs.x86_64 0:0.18.1.1-7.fc15
gnutls-utils.x86_64 0:2.10.5-1.fc15
ipmitool.x86_64 0:1.8.11-6.fc15
libbsd.x86_64 0:0.2.0-4.fc15
libgomp.x86_64 0:4.6.1-9.fc15
libnl.x86_64 0:1.1-14.fc15
libvirt-client.x86_64 0:0.8.8-7.fc15
modcluster.x86_64 0:0.18.7-1.fc15
nc.x86_64 0:1.100-3.fc15
net-snmp-utils.x86_64 1:5.6.1-7.fc15
netcf-libs.x86_64 0:0.1.9-1.fc15
nss-tools.x86_64 0:3.12.10-6.fc15
numactl.x86_64 0:2.0.7-1.fc15
oddjob.x86_64 0:0.31-2.fc15
openais.x86_64 0:1.1.4-2.fc15
openaislib.x86_64 0:1.1.4-2.fc15
parted.x86_64 0:2.3-10.fc15
perl-Net-Telnet.noarch 0:3.03-12.fc15
pexpect.noarch 0:2.3-6.fc15
pyOpenSSL.x86_64 0:0.10-3.fc15
python-suds.noarch 0:0.3.9-3.fc15
ricci.x86_64 0:0.18.7-1.fc15
sg3_utils.x86_64 0:1.29-3.fc15
sg3_utils-libs.x86_64 0:1.29-3.fc15
xen-libs.x86_64 0:4.1.1-3.fc15
xen-licenses.x86_64 0:4.1.1-3.fc15
yajl.x86_64 0:1.0.11-1.fc15
Complete!
[root@pcmk-1 ~]#
internal split-brain
- a situation where different parts of the stack disagree about whether some nodes are alive or dead - which quickly leads to unnecssary down-time and/or data corruption.