undelete file recovery

MongoDB data file backup and recovery backup and recovery data are important for managing any data storage system. 1, cold backup and recovery-Create a copy of the data file (if you want to stop the MongoDB server), that is, direct copy MongoDB will store all the data in the

SQL Server supports two backup methods: one is to use backup database to back up database files, and the other is to directly copy database files MDF and log files LDF. This article describes the backup and recovery of the latter. This article assumes that you are skilled in using the Server Enterprise Manager and SQL Server Query analyzer) 　1. Normal backup and recovery methods Normally, we need to back u

Preface: With the popularization of InnoDB, Innobackup has become the mainstream backup way. Physical backup for the new slave, the need for a full library recovery can be easily addressed. But when the single table data mistakenly deleted, or a single table mistakenly drop, if the use of physical fully prepared to restore it? A detailed analysis is provided below. Tools to be used in the recovery process,

Step 1th, open the Quick data Recovery software, and click the Data Recovery button to go to the next step. Step 2nd, click Select Data Recovery mode Remove recovery, and then click Next. Step 3rd, select the partition where you want to delete the file, we choose C, an

Label:1 Environment PreparationMake a full backup of the database:Verify the current backup file:2 Recovery of database corruption2.1 Impersonation Database corruptionTry restarting the database to see the error:The important point here is that we use the Catlog database as the directory database, so even if the control file is lost it does not affect our recover

When you find that the file was mistakenly deleted or lost, do not go to frequent the loss of the file is the disk to erase the operation, to avoid the possibility of reducing the file recoverable. First we open 360 security guards, find the Feature encyclopedia area, click the "more" option. 1 Figure 1 360 security guards Under the Full-featured i

When you find that the file was mistakenly deleted or lost, do not go to frequent the loss of the file is the disk to erase the operation, to avoid the possibility of reducing the file recoverable. First we open 360 security guards, find the Feature encyclopedia area, click the "more" option. Figure 1 360 security guards Under the Full-featured inte

What to do if file recovery mistakenly deletes files As long as the people who use the computer for a long time, know that mistakenly deleted files are almost inevitable, so the prevention of computer data mistakenly deleted also become very important. Here you can refer to the safety net small share of the following three ways to reduce the occurrence of data mistakenly deleted. 1, after the important da

A The base of RMAN restoration and recovery In the use of Rman, restore and restore are two different concepts. Restore: Refers to accessing a previously generated backup, getting one or more objects, and then restoring those objects somewhere on the disk. Recovery (Recover): The actual process by which a database is consistent with a given point in time to ensure that the database can be opened, usually

successful, D-recovey for MS SQL Server can sometimes read out the data in the MDF data file. Let's describe some of the data recovery features of D-recovey for MS SQL Server.Let's take a look at some of the database corruption scenarios:1, due to power outages and other causes of database query, this is a more common MS SQL Server database corruption situation, this situation in the first repair method de

-------------------------------------------------------------------------------- /Opt/oracle/product/10.2.0/oradata/cuug/system01.dbf /Opt/oracle/product/10.2.0/oradata/cuug/undotbs01.dbf /Opt/oracle/product/10.2.0/oradata/cuug/sysaux01.dbf /Opt/oracle/product/10.2.0/oradata/cuug/users01.dbf /Opt/oracle/product/10.2.0/oradata/cuug/rmans01.dbf /Opt/oracle/product/10.2.0/oradata/cuug/cuug01.dbf /Opt/oracle/product/10.2.0/db_1/dbs/UNNAMED00007 SQL> alter database rename

On the Linux-character interface, avoid accidental file deletion and establish a resource recovery mechanism-Linux general technology-Linux programming and kernel information. For details, see the following. Files are deleted in reverse mode to avoid deleting files and rescue deleted files in ext2 File System Avoid accidental deletion of files and create a resou

= I installed the composite authentication mode, the SQL Server system administrator account is the Administrators group, the SA password is 123456. And on a default instance: MSSQLServer.So at the command line, execute the following command: Copy Code code as follows: setup/action=rebuilddatabase/quiet/instancename=mssqlserver/sqlsysadminaccounts=administrators/sapwd=123456 Step three: do not have any prompt information (whether successful or not) after execution, but yo

Fix for Linux file system error Ddrescue replace DD Recovery software backup Super blockA recently processed Linux server power outage causes the file system to not read and write, the data is not availableExample, now summarizes the Linux file system error repair method.EXT3-FS error (device Hda3) in Start_transaction

data disk. Fault analysis 1, Backup data The VMFS volumes in the rd220i storage that are mounted on the VMware vsphere client are unloaded in a normal manner. The VMFS volumes on the rd220i storage are then connected to the backup server by means of a network cable. The entire VMFS volume is then mirrored to the prepared backup space using a professional tool to ensure that the customer's data is secure, and subsequent analysis and recovery operation

Introduction to Computer D-Disk lost Video File recovery method Case: In our daily life, more and more electronic media files fill our lives. In such a fast-paced life, I believe that a lot of friends and small, like me, on weekdays will watch some movies and TV dramas to relax. By the platform, system and other restrictions, a lot of good TV movies need to come down to watch. Now the video is more and mo

This article describes how to use the Rman tool to automatically back up the control file dump and reply to the database when all the control files are lost; This article describes how to use the Rman tool to automatically back up the control file dump and reply to the database when all the control files are lost; This article describes how to use the Rman tool to automatically back up the control

Just one of the problems I had before, today to demonstrate again to restore the problem, to see how to achieve recovery. [Root@xenserver-ds-testserver04 ~]# Cat/etc/fstabUuid=6f29f0ba-a0ea-4799-bdf4-51570d8354c6/iso_storage EXT4 Defaults 0 0[Root@xenserver-ds-testserver04 ~]# DF-HPFileSystem Size Used Avail use% mounted on/DEV/SDA1 18G 1.8G 16G 11%/Devtmpfs 2.0G 8.0K 2.0G 1%/devTmpfs 2.0G 592K 2.0G 1%/DEV/SHMTmpfs 2.0G 2.1M 2.0G 1%/runTmpfs 2.0G 0 2

Oracle control file recovery case 1: the solution to the loss of a single control file is very simple. Just copy the Multiplexing Control file to the corresponding path. Case 2: All control files are lost (created using SQL in trace) Before this experiment, a trace file, alt

configuration file is created in the directory. The configuration file creates an instance as follows: # "#": Its annotation Function Dbpath = E: \ DB \ mongodb \ data Port = 27017 Fork = true Logpath = mongdb. log Logappend = true // By default, logs are cleared from the previous logs. If you want to append logs, you can use logappend = true. Start the process after Configuration: 6. Disable the service: