zfs data recovery

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Recovery of Oracle data files being deleted by physical error under Linux

Tags: recovery of Oracle Linux data files being physically deleted by mistakeRapid recovery of Oracle in #加深对Linux句柄的理解/emergency situationsUnlike dropping data files from Oracle, in some cases it may be possible to encounter a database at runtime when the data file is delet

Data recovery operation instructions after mis-deletion of MySQL database

In daily operations, backup of MySQL database is crucial! The importance of the database to the website makes our management of MySQL data not be lost!Then, it is inevitable that people will make mistakes, maybe one day the brain short-circuited to a wrong operation to delete the database, how to do???The following is a description of the recovery scenario after the MySQL database was mistakenly deleted.Fir

What about the Data Recovery wizard?

The main features and features of the Data Recovery Wizard are as follows: 1. Support for recovering lost partitions (that is, rebuilding partitioned tables). During the recovery process, you immediately see the files in the partition that it finds. You can then use these files to determine if the partitions it finds are the partitions you need to recover. You c

Oracle's Data Recovery--flashback usage Summary

/*The flashbackup of 11g is divided into several kinds, which are different in use.A.flashback database Flashback, the simple idea is to flash the database back to a previous point in time,The earliest SCN that can be recovered depends on the earliest SCN recorded in the flashback log.B.flashback drop recycles the database table for recovery after the table has been accidentally drop. Recycle Bin similar to Windows.C.flashback Query Flashback table re

Infortrend ESDS RAID6 Data recovery process

[Data recovery failure description] See [Data recovery process] 1. Install the Windows 2008R2 system using Dell R720 as the recovery server platform. On the Dell R720 server Nega Dell H200 6G expansion card, connect 2 groups of Dell MD1200 disk arrays on H200. Group A MD

Data recovery case for MySQL database removal under Linux ext3

[Data recovery failure description] An important MySQL database server, 146GB*2,RAID1, about 130GB data volumes, stores approximately 200~300 databases. At ordinary times, the administrator for each database dump, directly compressed into the. GZ package, and then all the important. GZ package together to compress into a total. tar.gz package, these files are ge

Data recovery operation instructions after mis-deletion of MySQL database

In daily operations, backup of MySQL database is crucial! The importance of the database to the website makes our management of MySQL data not be lost!Then, it is inevitable that people will make mistakes, maybe one day the brain short-circuited to a wrong operation to delete the database, how to do???The following is a description of the recovery scenario after the MySQL database was mistakenly deleted.Fir

MySQL Data backup and recovery

Tags: mysql database data backup data transactionBackup/Restore Policy:1. Do a regular MySQL backup and consider the recovery time that the system can afford.2. Make sure that MySQL opens Log-bin, with Binarylog,mysql to do full recovery when necessary, or point-in-time recovery

MySQL database data backup and recovery _ MySQL

MySQL database data backup and recovery details bitsCN.com This article discusses the backup and recovery mechanisms of MySQL and how to maintain data tables, including the two most important types of tables: MyISAM and Innodb. the MySQL version designed in this article is 5.0.22. Currently, MySQL supports the follow

SQL Server 2008 data security (Backup and recovery database) _mssql2008

Below is my summary of some of the content, which biased the implementation of T-SQL statements, the SQL Server Management Studio in the object manager's operation does not have much to summarize, because these are some wizards, and most of them are in the corresponding node, right click to find the appropriate action , the corresponding object, and then the Basic Wizard to operate! The first is the summary of the approximate knowledge points: Below is a summary of some T-SQL statements, 1,

Mac data Recovery software easyrecovery use tutorial

Mac data Recovery software easyrecovery use tutorialFile loss is very frustrating! Because there is no backup, so many important things have no way to get back! Small series for everyone to prepare the easyrecovery, this data recovery software is very useful, you can retrieve your lost

mysqldump command backup data, source recovery data

/mysql.sock-b sky9896 blog >/home/tools/bak_b_$ (dat e +%f). sql4) How do I make a sub-library backup? Mysqldump-u User name - P Database > backup file name . SQL[Email protected] tools]# mysqldump-uroot-p-s/var/lib/mysql/mysql.sock blog >/home/tools/bak_b_$ (date +%f). sql5 How do I make a backup of a table? Mysqldump-u User name - P Database name Table name 1 > backup file name . SQL[[email protected] tools] #mysqldump-u root-p sky9896 test>/home/back/test.sql6) How do I make multiple table b

Technical Summary of Ext2/Ext3/Ext4 data recovery difficulties in Linux

D-RecoveryForLinux features 1. deletion and restoration of Ext3/Ext4 have been hard to implement since ancient times. The only hope is to find the residual inode information from the log (Journal) file. Before the advent of D-RecoveryForLinux, some Linux data recovery experts passed... Features of D-Recovery For Linux 1. deletion and

MySQL data recovery case after truncate misoperation, mysqltruncate

MySQL data recovery case after truncate misoperation, mysqltruncate The actual online scenario is complicated. At that time, the truncate and delete operations were involved. It was confirmed that more than 70 thousand rows of data were lost. when the operation was stopped, more than 10 thousand rows of data were writt

How the Recycle Bin empties data recovery

File tool, as long as your file data is not overwritten, can be easily recovered with the software. Red Rabbit Recovery Recycle Bin Delete file tool Support recovery Recycle Bin delete files and can help you restore the local disk, USB disk, memory card (such as SD card, MMC card, etc.) from the recovery Recycle Bin

Data backup and recovery configuration for Docker data management

the MyData container, such as:DB1 Mount [Root@localhost ~]# Docker run-it--volumes-from mydata--name db1 Debianroot@9a42647f5a2d:/# Cat Mydata1/data.txt2016-09-01-04:14:35root@9a42647f5a2d:/# DB2 Mount [Root@localhost ~]# Docker run-it--volumes-from mydata--name DB2 Debianroot@8f7738f2f159:/# Cat Mydata1/data.txt2016-09-01-04:14:35root@8f7738f2f159:/#At this point, no matter where the modification will be synchronized, of course, you can also use the--volumes-from parameter multiple times to

Techniques for improving data backup and recovery efficiency in the DB2 database (1)

This article describes some common techniques to improve data backup and recovery efficiency. If you are confused about the backup and recovery of the DB2 database, you can take a look at it and it will be helpful. If it takes several hours to back up or restore a DB2 database, the backup and recovery solution will be

HP Storage RAID5 two block HDD offline LVM VXFS file system Recovery data process

around 1.2TB. Some of the file directories are as follows:650) this.width=650; "src=" https://s3.51cto.com/wyfs02/M01/8C/CD/wKiom1h4fEXS340oAAC4LOt9Vgk017.jpg "title=" 3.jpg "alt=" Wkiom1h4fexs340oaac4lot9vgk017.jpg "/>11, test database file is completeUse the Oracle Database file Detection Tool "DBV" to detect the integrity of each database file and to discover that there are no errors. The use of North Asia's self-developed Oracle Database Detection Tool (more stringent), found that some data

Case: Oracle Dul Data Mining Unconventional recovery of Oracle 12C CDB database

non-routine recovery of Oracle 12C CDB database without database backupFamiliar with Dul friends know Dul is file# 1 Block 1 kcvfhrdb find bootstarp$ Segment Header (in fact Kcvfhrdb is bootstarp$ segment Header RDBA address), Then through the related SQL stored in the bootstarp$ to find some base table objects (obj$,tab$,col$,seg$, etc.), and then through their positioning to the specific object of the segment records, so segment find extent distribu

Full solution of Hard Disk Data Recovery instances

"virus" color changes, and data damage caused by viruses is often unpredictable (including Partition Table damage and data coverage; such as hard disks damaged by CIH viruses, its partition table has been completely rewritten, and hard disks cannot be found after disk A is started). The symptoms of virus damage to hard disk data are also hard to describe, basica

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