Hadoop version: Hadoop 2.2.0.2.0.6.0-0009 Well, We can do this by building Secondary Namenode, Checkpoint node or Backup node. Example: Assuming you have a Secondary Namenode. 1. Check secondary namenode checkpoint status: dfs.namenode.secondary.http…

在 cd  /home/hadoop/hadoop-2.5.2/bin 下 执行的./hdfs namenode -format 报错[hadoop@node1 bin]$ ./hdfs namenode –format 16/07/11 09:21:21 INFO namenode.NameNode: STARTUP_MSG:/************************************************************STARTUP_MSG: Starting Na…

Checkpoint Node(检查点节点) NameNode persists its namespace using two files: fsimage, which is the latest checkpoint of the namespace and edits, a journal (log) of changes to the namespace since the checkpoint. When a NameNode starts up, it merges the fsi…

When we setup source control server, we should always make a backup and restore plan for it. This article is to describe how to backup and restore a TFS Express instance from one server to another server. This blog is an English version, for Chinese…

db2 backup 及 restore 2011-06-21 18:12:20|  分类: AIX |举报 |字号 订阅     两个问题: db2=>list applications db2=>db2stop force db2=>db2start db2=> backup db bbbank (use tsm) 如果报错的话,可以不要后边的use tsm选项 我这里出现了这种情况,舍弃掉tsm 就好了 1)SQL0970N  The system attempted to…

在sql server数据库中,备份和还原都只能在服务器上进行,备份的数据文件在服务器上,还原的数据文件也只能在服务器上,当在非服务器的机器上启动sql server客户端的时候,也可以通过该客户端来备份和还原数据库,但是这种操作实质是在服务器上进行的,备份的数据文件在服务器上,还原的数据文件也只能在服务器上,这个原则不会变,只是使用了客户端的一个工具来操作这个过程而已. 1.1.备份数据库 备份数据库有两种方式: 第一种是在企业管理器中,利用工具对数据库进行备份,这种备份的文件只会有一个,即以…

本文转自:https://mytechmantra.com/LearnSQLServer/Configure-Network-Drive-Visible-for-SQL-Server-During-Backup-and-Restore-Using-SSMS/ Introduction Most of the Development and Test Database Servers will not have enough disk space to store both the databas…

一个同事问我一个问题: 如果FAST Search for SharePoint 2010被full restore到了一个之前的时间点, 那么当FAST Search重新开始一个增量爬网的时候, 会发生什么? FAST Search会查看内容数据库并发现上一次爬网的记录并为新item或更改的item制作索引么? FAST Search会发现索引与现在内容的不一致么? 还是说它直接会再来一次full crawl?   Some Basics =================== Fast Se…

SQL Server Database Backup and Restore in C# Syed Noman Ali Shah,                          7 Feb 2015                                      CPOL    3.82 (6 votes) 1 2 3 4 5 3.82/5 - 6 votes μ 3.82, σa 2.09 [?]   Rate: Add a reason or comment to your v…

mysqlhotcopy is a perl script that comes with MySQL installation. This locks the table, flush the table and then performs a copy of the database. You can also use the mysqlhotcopy to automatically copy the backup directly to another server using scp.…