Multi-channel archiving of Oracle databases to prevent single point of failure
I. It is usually used to solve the following problems:Database hang problems caused by full archiving DirectoriesArchive multiple paths to prevent spof
2. the implementation of multi-path archiving is controlled by the following two parameters:LOG_ARCHIVE_DEST_n --- use the LOG_ARCHIVE
Log archiving and data mining http://netkiller.github.io/journal/log.html Mr.Neo Chen (Chen Jingfeng),Netkiller, Bg7nyt China Guangdong province Shenzhen Khe Sanh Street, Longhua District, civil Administration518131+86 13113668890+86 755 29812080[email protected]> Copyright? Netkiller. All rights reserved. Copyright Notice Reprint please contact the author, please be sure to indicate the original source of the article and the author's information and
SQL Server implements automatic cyclic archiving of partition data scripts, SQL Server
Overview
We should all know that in many business scenarios, We need to partition some tables with a large record volume, and archive some old data to ensure performance. In many partition tables, IF manual intervention is required for each archive, the workload is relatively large and leakage may occur. Next, I will share a script that I wrote to automatically arch
Five Best Linux Command Line archiving tools
In our daily work, archive files on various platforms may be Windows, Mac, or Linux. Several applications can be used to create and decompress archive files on all platforms. Speaking of working on the Linux platform, we need to process archive files very frequently.
Linux Command Line archiving Tool
In this article, we will discuss the archive tools, features
How to improve the efficiency of enterprise data archiving solutions2011-02-01 09:27:47 Source: IBM Share | Summary: Talk about all storage features, in addition to archiving the data storage System. Now let's look at how vendors present these features as solutions to IT managers and place them in the data requirements list.
Keywords: Data archive storage
Talking about all the storage features, in addi
Object Archiving:
Concept:
Object archiving refers to writing objects to a file and saving them on the hard disk. When you re-open the program, you can restore these objects. It is also called object serialization and Object persistence.
Data persistence (in fact, there are three types)
1. NSKeyedArchiver -- Object Archiving
2, NSUserDefaults 3, attribute list
4
Based on the requirements of the Sarbanes-Oxley Act, Netease enterprise mail launched an archive system that complies with the Sarbanes-Oxley Act: Sarbanes-Oxley archive. Netease enterprise mail's Sarbanes-Oxley archiving function can effectively solve business disputes but lack relevant evidence. It can record and store important emails in real time, archive emails can be saved for a long time without being tampered. After an archive email is archive
Tags: Microsoft application office client history Local ArchiveThis helps you regain control of the organization's mail data without the need for personal storage (. pst) file, and allows users to store emails in the "ARCHIVE mailbox" that can be accessed through Microsoft Outlook 2010 and later and Microsoft Office Outlook Web app. In Microsoft Exchange Server 2013, local archiving provides users with a backup storage location for storing historic
Oracle11g RAC enable and disable, set archiving summary, oracle11grac
Close
1. First shut down the database:Copy codeThe Code is as follows:[Oracle @ oeltan1 ~] $ Srvctl stop database-d tantest2. Disable the crs service again.[Copy codeThe Code is as follows:Root @ oeltan1 ~] # Crsctl stop crsStart:
Copy codeThe Code is as follows:[Root @ oeltan1 ~] # Crsctl start crs[Oracle @ oeltan1 ~] $ Srvctl start asm-n node_nameThe above boot has generally start
Enable archiving to ensure that log_archive_starttrue Enables automatic archiving. Otherwise, you can only manually archive the file. If archive is disabled, set this parameter to false. Note: If the OPSRAC environment is used, comment out parallel_servertrue first, then, execute the following steps, and use this parameter to restart 1. Enable archive. shut down database shutdowni
Enable
New features provided by ORACLE11G. With this feature, ORACLE archives UNDO data to provide comprehensive historical data query. Similar to archiving logs, a new background process is added at 11 GB.
New features provided by ORACLE 11G. With this feature, ORACLE archives UNDO data to provide comprehensive historical data query. Similar to archiving logs, a new background process is added at 11 GB.
Flash
Archiving, in other languages called "serialization", is to save the object to the hard disk, the solution, in other languages called "deserialization" is to restore the hard disk files to objects. In fact, archiving is the process of data storage, there are five ways to store data in iOS:
XML attribute list (plist archive)
Nsuserdefaults (preference setting)
Nskeyedarchiver Archive (encryp
Tags: ima. com technology Sharing network devices through the Microsoft Ya Black set mod usingToday the Data group someone response website can not open normally, after checking Oracle database remote connection is not on, message: Ora-00257:archiver error. Connect internal only, until freed. Maybe the archivelog is full . Before learning SQL only to focus on crud, the log understand very little, although the outage on the generation did not have a bad impact, but also because the business is no
One, file merge operation1. Overlay symbols and append symbolsA) ">" means to overwrite the contents of the left file with the contents of the right file, and create this file if the right file does not exist.b) ">>" represents the contents of the left file appended to the right file, if the right file does not exist, create this file2.echo echo Command1 Echo "I am a little shame" >t.txt2echo" I am a little ruin ">>tbak.txt3. File Merging1 Cat File a file B > file C4. Number of statistics file l
bytes Database mounted. SQL> alter database archivelog; Database altered. SQL> alter database open; Database altered. SQL> archive log list; Database log mode Archive Mode Automatic archival Enabled Archive destination USE_DB_RECOVERY_FILE_DEST Oldest online log sequence 15 Next log sequence to archive 17 Current log sequence 17To stop the archive mode, run the alter database noarchivelog command. Before Oracle10g, you also need to modify the initialization parameters so that the database is in
1. set SQL code SQL> archive log list in archive mode; # Check whether archive mode is used. SQL> alter system set log_archive_start = true scope = spfile; # enable active archiving SQL> alter system set log_archive_dest = ''location =/oracle/ora9/oradata/arch'' scope = spfile; # set the archiving path SQL> alter system set log_archive_dest_1 = ''location =/oracle/ora9/oradata/arch1' scope = spfile; SQL> al
Archiving logs in the slave database of Oracle Dataguard are not synchronized
Environment: RAC + single-host DataguardProblem: when the slave database is started to the ADG mode, the archived logs in the background are not synchronized.
1. the archived logs of logs in the slave database are not synchronized. The content is as follows:MRP0: Background Media Recovery process shutdown (strac)Managed Standby Recovery Canceled (strac)Completed: alter datab
What this section says:
9.1 The TAR command for file archiving and compression
9.2 Zip Management Compressed Files
9.3 Understanding GZIP-BZIP2-XZ Managing Compressed Files-file-sort viewing files
9.1 Tar command to archive and compress files 9.1.1 Archive and Compress filesThe benefits of archiving and compressing files: saving hard disk resources and speeding file transfer rates
Compress, unzip commandCompression format: gz,bz2,xz,zip,zCompression algorithm: Different algorithm, compression ratio will also be differentGzip:.gz The source file is deleted when the compression is complete-D: Unzip-#:1-9 set compression ratio, default is 6Gunzip: The source file is deleted after decompressionZcat: Temporarily view the contents of compressed files in the case of decompressionBZIP2:.BZ2 has a greater compression ratio than gzip, using a format approximation-D:-#:1-9 Default 6
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