high availability cho mailbox server

... Exchange Server 2010 – Virtualization and High Availability 73 Phần III HIGH AVAILABILITY CHO CÁC MAIBOX SERVER I.Giới thiệu Trong phần này sẽ hướng dẫn cấu hình tính năng Database Availability ... Exchange Server 2010 – Virtualization & High Availability 94 6.Kiểm tra tính năng High Availability của DAG B1.Tạo Mailbox User Trong EMCRecipient Configurationphải chuột Mailbox New Mailbox ... Exchange Server 2010 – Virtualization & High Availability 90 4.Add Mailbox Database Copy đến MB02 Phải chuột “MDB01”chọn Add Mailbox Database Copy Trong “Add Mailbox Database Copy”Server...

Ngày tải lên: 19/10/2013, 01:20

... 0913.735.906 Fax: 3.9322.734 www.nhatnghe.com Exchange Server 2010 – Virtualization and High Availability 117 Phần V HIGH AVAILABILITY CHO HUB TRANSPORT & EDGE TRANSPORT I.Giới thiệu ... 3.9322.734 www.nhatnghe.com Exchange Server 2010 – Virtualization and High Availability 127 Kiểm tra các Edge Subscriptions đã được tạo. 4.Kiểm tra High Availability của Shadow Redundancy ... 0913.735.906 Fax: 3.9322.734 www.nhatnghe.com Exchange Server 2010 – Virtualization and High Availability 121 Trong Server Role Selection chon Edge Transport Role Next Trong Customer Experience…....

Ngày tải lên: 19/10/2013, 01:20

... Exchange Server 2010 – Virtualization & High Availability 112 5.Gán ClientAccessArray vào các Mailbox Database Nhập tiếp lệnh sau: Get-MailboxDatabase | Set-MailboxDatabase –RpcClientAccessServer ... 3.9322.734 www.nhatnghe.com Exchange Server 2010 – Virtualization & High Availability 102 Phần IV HIGHT AVAILABILITY CHO CÁC CLIENT ACCESS SERVER I.Giới thiệu Trong phần này hướng ... Exchange Server 2010 nhằm đáp ứng khả năng sẵn sàng và cân bằng tải cho các Client Access Server thông qua cấu hình Network Load Balancing trên Windows Server 2008.Nếu một trong các Client Access Server...

Ngày tải lên: 19/10/2013, 01:20

Ngày tải lên: 05/05/2014, 15:05

Ngày tải lên: 01/07/2013, 10:22

... simplify the logic, the server ID is fetched from the server variable server_ id at the same time: master> SELECT @ @server_ id as server_ id, LAST_INSERT_ID() as trans_id; + + + | server_ id | trans_id ... circular_replication (server_ list): count = len (server_ list) for i in range(0, count): change_master (server_ list[(i+1) % count], server_ list[i]) In Figure 4-10, there are four servers named for ... the restored server by scanning the binary log of the restored server for the global ID that was last seen by the downstream server. 8. Connect the downstream server to the restored server and...

Ngày tải lên: 17/10/2013, 22:15

... (6387) Fax: 408 527-0883 High Availability Campus Recovery Analysis Design Guide Cisco Validated Design I January 25, 2008 Customer Order Number: Text Part Number: OL-15550-01 40 High Availability Campus ... the recommended best practices, please see the Designing a Campus Network for High Availability and associated High Availability Campus L3 Access Design Guides: http://www.cisco.com/application/pdf/en/us/guest/netsol/ns432/c649/cdccont_0900aecd801a8a2d.pdf ... Tasman Drive, San Jose, CA 95134-1706 USA High Availability Campus Recovery Analysis Introduction Both small and large enterprise campuses require a highly available and secure, intelligent...

Ngày tải lên: 18/10/2013, 18:15

... fetch_relay_chain($master, $final) { $servers = array(); $server = $final; while ( $server !== $master) { $server = get_master_for( $server) ; $servers[] = $server; } $servers[] = $master; return $servers; } function ... if ($master->commit()) { $server = fetch_relay_chain($master, $slave); for ($i = sizeof( $server) - 1; $i > 1 ; $i) { if (!sync_with_master( $server[ $i], $server[ $i-1])) return NULL; // ... watermark. } function wait_for_trans_id( $server, $server_ id, $trans_id) { if ( $server_ id == NULL || $trans_id == NULL) return TRUE; // No transactions executed, trivially in sync $server- >autocommit(TRUE); ...

Ngày tải lên: 20/10/2013, 17:15

... have had to use statement-based replication, the MySQL developers did not want servers to make a sudden switch. If the servers suddenly started sending out row-based replication events when they ... is relatively high (it is time-consuming compared to accessing main memory directly), modern operating systems can do it so quickly that the penalty isn’t normally an issue unless it reaches such a high ... swapping at a high level periodically to reclaim memory. Be sure to measure memory usage over a period of time to ensure you are not observing a normal cleanup operation. When periods of high paging...

Ngày tải lên: 20/10/2013, 17:15

... turnkey approach to high- availability network deployments ensured that the service provider could meet its commitment to its end customer to deliver 99.999 percent network availability for business ... global enterprise- network service provider developed a suite of high- availability services to offer its customers continuous availability to interconnect data centers and business sites. The ... deployment, the service provider chose ADC as its professional services partner. ADC SOLUTION ADC implemented a suite of professional services specifically tailored for high- availability network ring...

Ngày tải lên: 22/10/2013, 17:15

... you to see snapshots of the server logs. We discuss the server logs in more detail in Server Logs” on page 313, so we give only a minimal introduction here. The server logs record significant ... tools available to the administrator—the server logs. Some savvy administrators may consider the server logs the first and primary tool for administering the server. Although they are not nearly ... attention to monitoring and improving performance of the MySQL server and databases. MySQL Server Monitoring Managing the MySQL server falls in the category of application monitoring. This is because...

Ngày tải lên: 24/10/2013, 15:15

... stor- age 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, as a result, ... configuring your servers for optimal performance. Server Setup Another very important thing you can do to create the best platform for your replication topology is make sure your servers are configured ... often be traced back to poorly performing servers. Ensure your servers are operating with enough memory and that the storage devices and storage engine choices are optimal for your databases. Some...

Ngày tải lên: 24/10/2013, 15:15

... critical data in your basement or in a public place may not be safe enough. High availability As mentioned earlier, high availability options form the first layer of defense in a disaster recovery ... capability with no data loss, you must invest in an extensive high availability solution that can tolerate the complete loss of a server, data repository, etc., without loss of data (or time). Information ... (RAID), redundant power supplies, etc., are all solutions to these needs. These are considered high availability options because they are all intended to permit real-time or near real-time recovery...

Ngày tải lên: 28/10/2013, 22:15

... = server. fetch_config().get('datadir') try: server. stop() if server. host != "localhost": call(["scp", self.url.path, server. host + ":" + path]) server. ssh(["tar", ... server. host + ":" + path, self.url.path]) server. sql("UNLOCK TABLES") return position def restore _server( self, server) : if server. host == "localhost": path = self.url.path ... rename the servers using the Manage Servers option on the Settings page. This allows you to use more meaningful names on the Enterprise Dashboard while leaving the actual hostnames of the servers unaltered. You...

Ngày tải lên: 28/10/2013, 22:15

... said. When high performance, high availability, redundancy, and scalability are paramount concerns for database planners, they often seek to improve their replication topologies with commodity high- availability ... load balancing, and high availability. The cloud makes these features easier to use because you can create as many MySQL instances as you need to implement almost any MySQL high availability solution. Use ... of a server in its cloud. This takes on great importance in transactional systems, where you need a pool of servers that answers to a particular address. While it is fine to virtualize the servers...

Ngày tải lên: 07/11/2013, 19:15

... Cluster is designed not only for high availability, but also for high performance. We have already reviewed many of these features, as they are often beneficial for high availability. In this section, ... you can set server B to terminate server A’s events in the new circle. Figure A-7. Replacing a server in circular replication You can do this by issuing the following command on server B: CHANGE ... 5.4.4. Ignoring Servers in Circular Replication If you have a circular replication topology and one of the servers fails, you must change the topology to exclude the failed server. In Figure A-7, server...

Ngày tải lên: 07/11/2013, 20:15

... 168 hierarchal deployment, 187–193 hierarchal replication defined, 159 setting up relay servers, 160 high availability achieving, 547–550 backups and, 6 contingency plans, 104, 106–107 disaster ... rules, 164 slave promotion considerations, 109 high availability and, 127–141 in Python, 135–141 revised method, 129–135 traditional method, 128 slave servers checking status, 403 cloning, 33–34 configuring, ... 159–161 high availability and, 6, 552–556 improving performance, 341, 367 inclusive and exclusive, 368–370 managing topologies, 152–158 managing with Python, 23–25 mixed-mode, 231 monitoring master servers,...

Ngày tải lên: 07/11/2013, 20:15

Ngày tải lên: 09/12/2013, 17:15

Ngày tải lên: 10/12/2013, 13:15

Ngày tải lên: 10/12/2013, 16:15