Cluster shared storage - Revision history

Heth: /* Mediawiki files and apache */

2009-05-08T11:57:28Z

‎Mediawiki files and apache

Heth: /* Mediawiki files and apache */

2009-04-02T14:58:05Z

‎Mediawiki files and apache

Heth: /* Mediawiki files and apache */

2009-04-02T14:57:45Z

‎Mediawiki files and apache

Heth: /* RedHat/Centos WEB servers */

2009-04-01T12:32:10Z

‎RedHat/Centos WEB servers

Heth: /* RedHat/Centos WEB servers */

2009-04-01T05:24:04Z

‎RedHat/Centos WEB servers

Heth: /* RedHat/Centos shared storage */

2009-03-31T13:34:54Z

‎RedHat/Centos shared storage

Heth: /* RedHat/Centos WEB servers */

2009-03-31T13:20:30Z

‎RedHat/Centos WEB servers

Heth: /* RedHat/Centos WEB servers */

2009-03-31T13:19:53Z

‎RedHat/Centos WEB servers

Heth: /* RedHat/Centos shared storage */

2009-03-31T13:19:02Z

‎RedHat/Centos shared storage

Heth: /* RedHat/Centos WEB servers */

2009-03-31T12:34:25Z

‎RedHat/Centos WEB servers

@@ Line 66: / Line 66: @@
 [root@localhost ~]# cd /var/www/html
 </pre>
 [[Category:Cluster]]

@@ Line 65: / Line 65: @@
 Starter httpd:                                             [     O.k.    ]
 [root@localhost ~]# cd /var/www/html
 [[Category:Cluster]]

← Older revision		Revision as of 14:57, 2 April 2009
Line 65:		Line 65:
	Starter httpd: [ O.k. ]		Starter httpd: [ O.k. ]
	[root@localhost ~]# cd /var/www/html		[root@localhost ~]# cd /var/www/html
		+	[[Category:Cluster]]

← Older revision		Revision as of 12:32, 1 April 2009
Line 23:		Line 23:
	*#Make a mountppoint		*#Make a mountppoint
	*#Mount the Logical Volume (GFS Filesystem)		*#Mount the Logical Volume (GFS Filesystem)
		+	= Installing a copy of mediawiki and restoring a backup =
		+	== MYSQL ==
		+	Create and populate the database from a backup.
		+	<pre>
		+	[root@localhost ~]# chkconfig --level 345 mysqld on
		+	[root@localhost ~]# service mysqld start
		+	Initialiserer MySQL-database: Installing MySQL system tables...
		+	OK
		+	Filling help tables...
		+	OK
		+	</pre>
		+	To start mysqld at boot time you have to copy
		+	support-files/mysql.server to the right place for your system
		+
		+	PLEASE REMEMBER TO SET A PASSWORD FOR THE MySQL root USER !
		+	To do so, start the server, then issue the following commands:
		+	/usr/bin/mysqladmin -u root password 'new-password'
		+	/usr/bin/mysqladmin -u root -h localhost.localdomain password 'new-password'
		+	See the manual for more instructions.
		+	You can start the MySQL daemon with:
		+	cd /usr ; /usr/bin/mysqld_safe &
		+
		+	You can test the MySQL daemon with mysql-test-run.pl
		+	cd mysql-test ; perl mysql-test-run.pl
		+
		+	Please report any problems with the /usr/bin/mysqlbug script!
		+
		+	The latest information about MySQL is available on the web at
		+	http://www.mysql.com
		+	Support MySQL by buying support/licenses at http://shop.mysql.com
		+	[ O.k. ]
		+	Starter MySQL: [ O.k. ]
		+	[root@localhost ~]# mysqladmin -u root create wikidb
		+	[root@localhost ~]# mysql -u root wikidb < /tmp/wikidbbackup12032009-1508.dump
		+	</pre>
		+	== Mediawiki files and apache ==
		+	Copy the mediawikifiles to apache root directory.
		+	<pre>
		+	[root@localhost ~]# chkconfig --level 345 httpd on
		+	[root@localhost ~]# service httpd start
		+	Starter httpd: [ O.k. ]
		+	[root@localhost ~]# cd /var/www/html

@@ Line 13: / Line 13: @@
 *Make a cluster with membernodes.
 *On one system do the following
-*#Install [[iSCSI]] initiator software on the WEB-servers
+*#Install [[iSCSI]] initiator software on the WEB-servers, if not present.
-*##Attach the logical drives to the system system
+*##Attach the logical drives to the system
 *#Create a Volume Group with mirror
 *#Create a logical Volume
 *#Create a GFS filesystem
 *On all the Clusternodes
-*#Install [[iSCSI]] initiator software on the WEB-servers
+*#Install [[iSCSI]] initiator software on the WEB-servers, if not present.
-*##Attach the logical drives to the system system
+*##Attach the logical drives to the system
 *#Make a mountppoint
 *#Mount the Logical Volume (GFS Filesystem)

@@ Line 1: / Line 1: @@
-= RedHat/Centos shared storage =
+= RedHat/Centos shared storage example=
 Consider the drawing below. The WEB-servers run Centos 5.2 and share the redundant data from the shared storage.
 *Each WEB server has access to the same data from the shared storage calles NAS - Network Attached Storage.

@@ Line 11: / Line 11: @@
 == RedHat/Centos WEB servers ==
 The WEB servers all run Centos 5.2 and use the the FreeNAS servers for application data.
 *On one system do the following
 *#Install [[iSCSI]] initiator software on the WEB-servers

@@ Line 3: / Line 3: @@
 *Each WEB server has access to the same data from the shared storage calles NAS - Network Attached Storage.
 *The WEB-servers has Read/Write access to the NAS.
 *Locking of files open for writing is necessary.
 == The shared Storage ==
 Two servers with each two drives are installed with [http://www.freenas.org FreeNAS]
@@ Line 9: / Line 11: @@
 == RedHat/Centos WEB servers ==
 The WEB servers all run Centos 5.2 and use the the FreeNAS servers for application data.
-*Install [[iSCSI]] initiator software
+*On one system do the following
+*#Install [[iSCSI]] initiator software on the WEB-servers

← Older revision		Revision as of 12:34, 31 March 2009
Line 10:		Line 10:
	The WEB servers all run Centos 5.2 and use the the FreeNAS servers for application data.		The WEB servers all run Centos 5.2 and use the the FreeNAS servers for application data.
	*Install [[iSCSI]] initiator software		*Install [[iSCSI]] initiator software
−	*	+	*
−	~~[[Image:SAN tegning1.png\|thumb\|300px\|none\| Gigabit ethernet SAN/Cluster løsning]]~~