high availability with mysql and shared storage

... systems as well as completely new storage interfaces and products Novell Cluster Services v1.6 is a server-clustering system you can use to ensure high availability and manageability of critical ... share storage space rather than using additional storage for each version of an object’s name NSS also stores objects in balanced trees (B-trees) for faster storage access Handles Large Objects and ... Services These services provide the standard and direct input and output to and from objects, as well as other operations on objects themselves, such as create, delete, and truncate operations • Management...

Ngày tải lên: 09/12/2013, 17:15

... 11g Release High Availability ■■ Disaster Planning and Recovery  Expanding availability beyond the data center ■■ Enhancing Availability with Additional Features  Grid Infrastructure With Grid ... implement it, and who is requesting it After all, how high is high? To many end users and management types, High Availability really means the same thing as “always available,” period—no ifs, ands, ... predict, so you just have to deal with it And the only way you can that is with a lot of help, support, and considerable understanding from your family, friends, and all those involved on the project...

Ngày tải lên: 31/05/2014, 01:09

... sec) Conclusion High availability is a nontrivial concept to implement in practice In this chapter, we presented a look into high availability and how you can achieve it with MySQL In the next ... http://forge .mysql. com/wiki /MySQL_ Proxy The MySQL Proxy wiki page on MySQL Forge contains a lot of information about the proxy, including a lot of references and examples http://forge .mysql. com/wiki /MySQL_ Proxy_RW_Splitting ... buying a batch of low-cost standard servers and is much more cost-effective In addition to handling an increased load, additional servers can support high availability and other business requirements...

Ngày tải lên: 17/10/2013, 22:15

... functions commit _and_ sync and start_trans together with the three support functions, fetch_master_pos, wait_for_pos, and sync _with_ master The commit _and_ sync function commits a transaction and waits ... explicitly using the START SLAVE command and stop them explicitly with the STOP SLAVE command These commands control the slave threads and can be used to stop and start the I/O thread or SQL thread ... now-well-thumbed copy of MySQL High Availability and his notes and headed to the computer room “I hope I set the TiVo,” he muttered, knowing this was going to be a late night 194 | Chapter 5: MySQL Replication...

Ngày tải lên: 20/10/2013, 17:15

... of all of the mysqld programs, issue the command: ps -A | grep mysqld This will send the list of all processes to the grep command, which will in turn only show those rows with “mysqld” in them ... memory space, and the amount shared with other processes This information may be a key piece of data needed to solve memory allocation and sharing issues There are several other commands and utilities ... commands we’ve discussed, and grouped statistical reporting commands, Linux and Unix offer additional commands that give you more general information about your system These include commands...

Ngày tải lên: 20/10/2013, 17:15

... of high- availability services to offer its customers continuous availability to interconnect data centers and business sites The infrastructure included network synchronous data mirroring and ... between the optical network and the customer’s networks The architecture is comprised of base point-to-point and a highavailability network ring The service allows for various and unique data protocols ... planning and deployment process By working with a single source of professional services, the service provider realized cost and time savings More importantly, ADC’s turnkey approach to highavailability...

Ngày tải lên: 22/10/2013, 17:15

... • MySQL Administrator 1.2 • MySQL Query Browser 1.2 • MySQL Migration Toolkit 1.1 We will discuss the MySQL Administrator and MySQL Query Browser in more detail in the following sections The MySQL ... command found in Linux It runs the SHOW PROCESSLIST and SHOW STATUS commands periodically and displays the information in a listing like the top command Jeremy D Zawodny wrote mytop, and he and ... NDB storage engine shows a few, and the MyISAM storage engine displays no information This command is the primary mechanism for viewing statistical information about a given storage engine and...

Ngày tải lên: 24/10/2013, 15:15

... cache and the MyISAM storage engine, see the online MySQL Reference Manual MySQL, Replication, and High Availability There is a higher probability of corruption of MyISAM data than InnoDB data and, ... monitor on a MySQL server We’ve discussed the basic SQL commands available for monitoring the server, the mysqladmin command-line utility, the benchmark suite, and the MySQL Administrator and MySQL ... the right storage engine for the task One of the most powerful features of MySQL is its support for different storage engines Storage engines govern how data is stored and retrieved MySQL supports...

Ngày tải lên: 24/10/2013, 15:15

... master and the I/O and SQL threads are executing without error Replication Monitoring with MySQL Administrator You have seen how you can use the MySQL Administrator to monitor network traffic and storage ... STATUS and SHOW SLAVE STATUS These SQL commands are your primary tool for diagnosing replication problems Along with the SHOW PROCESSLIST command, you should execute these commands on the master and ... there is some overlap between the practices of high availability and disaster recovery High availability solutions can address the minor disasters and even form one layer of defense for major disasters...

Ngày tải lên: 28/10/2013, 22:15

... command = ["mysqlbinlog", " start-position=%s" % (image.backup_position.pos), " stop-datetime=%s" % (datetime)] mysqlbinlog_proc = Popen(mysqlbinlog_command + files, stdout=PIPE) mysql_ command ... preserving peak performance and reliability If you need high availability and want to build the best and most reliable data center based on MySQL, you should consider purchasing the MySQL Enterprise platinumlevel ... experimenting with LVM and making backups of your data There are several useful commands that you should become familiar with The following list contains the most frequently used commands and their...

Ngày tải lên: 28/10/2013, 22:15

... is and how it differs from a normal MySQL server What Is MySQL Cluster? MySQL Cluster is a shared- nothing, distributed node architecture storage solution designed for fault tolerance and high ... starting and stopping a simple cluster; and discuss the key points of using MySQL Cluster, including high availability, distributed data, and data replication We begin by describing what MySQL Cluster ... designed for very high throughput across networks The goal is to have the highest performance possible by using multiple MySQL servers to distribute the load, and high availability and redundancy...

Ngày tải lên: 07/11/2013, 19:15

... http://www .mysql. com/why -mysql/ white-papers /mysql_ db _high_ availability. php http://www .mysql. com/why -mysql/ white-papers /mysql_ ha_solutions.php Replication We have already briefly discussed how MySQL ... Achieving High Availability | 551 Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark For more information about database high availability and MySQL high availability, ... 428–430 PITR and, 439–445 replication and, 438 scaling out and, 148 snapshots and, 434 system availability and, terminology, 419 XtraBackup, 432 bandwidth, replication monitoring and, 367, 383...

Ngày tải lên: 07/11/2013, 20:15

... 458 MySQL Enterprise Server, 456 MySQL Forge, 155 MySQL Migration Toolkit, 302 MySQL monitor, 294 MySQL Monitor and Advisor (MONyog) tool, 317 MySQL Proxy data sharding and, 168 load balancing and, ... 160 high availability achieving, 547–550 backups and, contingency plans, 104, 106–107 disaster recovery and, 418 information integrity and, 412 MyISAM storage engine and, 352 node recovery and, ... 539–541 high availability and, 547–556 high performance and, 557–560 log handling, 531 management node, 541 NDB management console, 542 online operations, 537 partitioning and, 536 redundancy and, ...

Ngày tải lên: 07/11/2013, 20:15

... of high availability (HA) and describes the Oracle features that can be used to achieve high availability Chapter 1, "Overview of High Availability" This chapter defines high availability and ... Policies for High Availability Introduction to Operational Policies for High Availability Service Level Management for High Availability Planning Capacity to Promote High Availability ... Determining Your High Availability Requirements 2-1 Analysis Framework for Determining High Availability Requirements An analysis of the business requirements for high availability and an understanding...

Ngày tải lên: 10/12/2013, 13:15

... 458 MySQL Enterprise Server, 456 MySQL Forge, 155 MySQL Migration Toolkit, 302 MySQL monitor, 294 MySQL Monitor and Advisor (MONyog) tool, 317 MySQL Proxy data sharding and, 168 load balancing and, ... 160 high availability achieving, 547–550 backups and, contingency plans, 104, 106–107 disaster recovery and, 418 information integrity and, 412 MyISAM storage engine and, 352 node recovery and, ... 539–541 high availability and, 547–556 high performance and, 557–560 log handling, 531 management node, 541 NDB management console, 542 online operations, 537 partitioning and, 536 redundancy and, ...

Ngày tải lên: 15/12/2013, 04:15

... thing: MySQL lines end with a semi-colon (;) and PHP lines end with a semi-colon, but MySQL lines in PHP lines don't end with a semi-colon In other words, when you're at the MySQL command line ... getting PHP and MySQL to talk to each other and to HTML HTML talks to PHP talks to MySQL Mixing HTML and PHP PHP prints to HTML PHP submits data to MySQL PHP retrieves data from MySQL Testing ... "username" and "password" with your username and password In line you must replace "dbname" with the name of your MySQL database In line 13 you must replace "tablename" with the name of one of your MySQL...

Ngày tải lên: 17/01/2014, 06:20

... in figure To control i rd n o and sepa arately the co oupling elem ments b and d are decoupled b the matrix Fdc and AIdc so that d by xes and de epend only on a and c After removin A ng the coupling ... was discus r ssed in [4], [6 and [8] an 6] nd for three pha inverters in [1], [2], [3], [5] and [7], the dead beat contro in [1] and [2] is adopte ase s d ol ed and extended to mach fo three ... given by and K is a co a orrection fac ctor (8) Figure inverter c current and capacitor vo oltage of the output filte with unba e er alanced load d (Ru= v=20Ω ,Rw=2000Ω ) a uncontro =R and olled...

Ngày tải lên: 19/01/2014, 02:20

... manager and technical lead of the MySQL Replication and Backup team and has designed many of the replication and backup features He has worked with development of MySQL clustering, replication, and ... replication and a member of the MySQL Backup and Replication team He is the main architect and implementor of the MySQL row-based replication and has also developed the unit testing framework used by MySQL ... Edition Nutshell Handbook, the Nutshell Handbook logo, and the O’Reilly logo are registered trademarks of O’Reilly Media, Inc MySQL High Availability, the image of an American robin, and related trade...

Ngày tải lên: 26/01/2014, 15:20

... which defines tables for employees and logs, with some utility routines to work with the employees Even though this can be handled with standard INSERT, DELETE, and UPDATE statements, we’ll used ... the slave and starting the reporting) When executing the mysqlbinlog command with just a few binlog files, you will get a textual output for each with some information about the event $ mysqlbinlog ... fill in more details and give a more thorough description of the binary log structure, the replication event format, and how to use the mysqlbinlog tool to investigate and work with the contents...

Ngày tải lên: 26/01/2014, 15:20

... mysqld1-bin.[0-9]* mysqld1-bin.000007 mysqld1-bin.000011 mysqld1-bin.000008 mysqld1-bin.000035 mysqld1-bin.000009 mysqld1-bin.000037 mysqld1-bin.000010 mysqld1-bin.000038 mysqld1-bin.000039 mysqld1-bin.1000000 ... log-slave-updates mysql /var/run/mysqld/mysqld.pid /var/run/mysqld/mysqld.sock 3306 /usr /var/lib /mysql /tmp master-bin master-bin.index 112 | Chapter 4: Replication for High Availability Please purchase ... standby is ahead of the slave, so just write down the slave position of the standby and start the slave to run until it has caught up with the standby To have the slave catch up with the standby...

Ngày tải lên: 26/01/2014, 15:20