undelete file recovery

When you find that the file has been mistakenly deleted or lost, do not go frequently to the disk where the lost files are erased, to avoid reducing the possibility of file recoverability. First we open 360 security guard, find the function Daquan area, click "More" option. Figure 1 360 security guard In the functional interface, find the "File

\FTTEST01 ', ' E:\ORACLE\PRODUCT\10.2.0\ORADATA\ORCL\USERS02. DBF ', ' E:\ORACLE\PRODUCT\10.2.0\ORADATA\ORCL\ZXF1. DBF ', ' E:\ORACLE\PRODUCT\10.2.0\ORADATa\orcl\zxf2. DBF ', ' E:\ORACLE\PRODUCT\10.2.0\ORADATA\ORCL\TZX01. DBF ' CHARACTER SET ZHS16GBK; 3.recover database; Restore Database 4. Open database alter DB open; Since Noresetlogs is recovered with the high SCN of the current log, there is basically no problem. IV: Using Resetlogs to perform control files and database

"User units"A branch of China Unicom"Data Recovery failure description"Sun Fiber Storage System, the central storage of 6 pieces of 300G hard disk RAID6, divided into several lun,map to different services on the server, the server runs the Sun Solaris operating system.In normal operation, the user needs to add a new application, so an IBM server is added, then a LUN in the store is mapped to the new IBM server in the online state, and unexpectedly, th

Non-current online Log File fault recovery 1. ORA-00313 error when starting the database. ORA-00313: openfailedformembersofloggroup Non-current online Log File fault recovery 1. ORA-00313 error when starting the database. ORA-00313: open failed for members of log group Non-current online Log

Data Recovery tips how to restore a computer file deleted During the use of computers, we often delete useless computer files, but sometimes important files may be deleted accidentally. If you just delete the file to the recycle bin, you just need to find the file in the recycle bin and restore it. But what if the rec

Received the first recovery rescue using Oracle 12C as a production library. There are two business data file file headers damaged, other data files are all a September backup, under current conditions, hope we can help them recover the data in the business documentDatabase version Information The code is as follows Copy Code Sqlgt; select

1,Control File(Controlfile)Loss recovery Based on the control file's compound multi-path nature, there are two types of loss: one is the damage or loss of a control file, and the other is the loss of all control files. In the first case, you only need to copy the control file to the path of the corrupt or lost control

At present, the Recycle Bin is emptied of the file recovery method has two, one of which is to modify the registry method, but this is not recommended in the small part of this method. Modify the registry method although seemingly simple, but its specific steps still have some difficulty, especially for those computer novices, we are likely to modify the registry when there are some errors, resulting in com

a file in Windows Explorer, Windows puts the file in the Recycle Bin, and even if we empty the Recycle Bin (or do not start the Recycle Bin feature), the operating system does not actually erase the file's data. What Windows calls deletion actually simply changes the first letter of the file name to a special character, the cluster is then marked as idle, but t

Tags: install mount http. com Hive Summary Collection file system ASPDescription: Not necessarily effective, need to keep tryingFirst, lsofThe file has just been deleted and you want to restore it, try Lsof first.lsof | grep Data.file1 CP /proc/xxx/xxx/xx /dir/data.file1If the lsof cannot see the file, then recovery s

Tags: Oracle non-critical file Recovery Redo temp file index file password fileApplication of incremental backup in recovery phase, no longer restore phaseUnderstanding the Database Settings table:Sql>desc database_propertiesName Null? Type-----------------------------------

[Data recovery failure description] An IBM X3850 server, composed of 4 146G SAS hard drives RAID5 as storage media, operating system for SuSE LINUX, file system is all reiserfs. After analysis that: the previous hard disk data organization structure: a less than 100M boot partition, followed by a 271G LVM volume, after the 2G of the swap partition. The LVM volume directly divides a ReiserFS

/alert_dbwdn.logLrwx ------ 1 Oracle oinstall 64 Nov 27->/u01/APP/Oracle/product/10.2.0/db_1/dbs/hc_dbwdn.datL-WX ------ 1 Oracle oinstall 64 Nov 27->/u01/APP/Oracle/admin/dbwdn/bdump/alert_dbwdn.logLrwx ------ 1 Oracle oinstall 64 Nov 27->/u01/APP/Oracle/product/10.2.0/db_1/dbs/lkinstdbwdn (Deleted)[Oracle @ primary dbwdn] $ It cannot be recovered. Note that after RM accidentally deletes a file, do not be confused, hold on to it, do not restart the d

said the probability of repair is very low, there is no specific method, it is recommended that professional data recovery company to do!First of all, not the database is still able to read and write it! Make a decisive manual backup of the business database.Also want to put Sybas database installation file also CP one copy, but do the operation:#du-SM * Error, prompted to find the

You must be logged on as an administrator to perform these steps. A recovery certificate is a special Encrypting File System (EFS) certificate that can be recovered if the encryption key is lost or corrupted if the certificate is created and installed correctly. You need to create a recovery certificate, install the certificate, and then update the previous encr

Tags: Linux data recovery Ext4 file system fsckThere are several concepts that need to be understood before data recovery cases beginBlock group: The entire space of the Ext4 file system is divided into block groups, and the structure within each block group is roughly the same.Block Group Descriptor Table: each block

1. Brief description of the restoration principleBecause of the more detailed description in the document, here is a simple description. All INNODB data is organized in an indexed manner, and all data is stored in a 16KB block of data. The recovery process is divided into a few steps, decomposing all data files to a single 16KB size page, trying to match based on the data starting point of each page's markup, and outputting the record if the size defi

SQL Server database file Recovery Technology Yzhshi (yzhshi@etang.com) There are two ways to back up SQL Server databases: one is to back up database files using backup database, and the other isDirectly copy the MDF and log files of the database.The following describes the backup and recovery of the latter. This document assumes that you are familiar with SQL S

---------- ------- ------------------------------------------------------------9 system/home/oracle/app/oracle/oradata/andycdb/pdb01/system01.dbfTen ONLINE/HOME/ORACLE/APP/ORACLE/ORADATA/ANDYCDB/PDB01/SYSAUX01.DBFOnline/home/oracle/app/oracle/oradata/andycdb/pdb01/undotbs01.dbfOnline/home/oracle/app/oracle/oradata/andycdb/pdb01/users01.dbfOnline/home/oracle/app/oracle/oradata/andycdb/pdb01/bbb.dbfOnline/home/oracle/app/oracle/oradata/andycdb/pdb01/bbb02.dbf6 rows selected.Description: 12c R1 ver

itHead File name | Tail file nameView file header or end of fileAdd-n parameter to view the file header n rows or the reciprocal n rowsTo view a row of a file individually, you can use the channelExample: View line 3rd of the A.txt fileHead-3 A.txt | Tail-11.4 Combat: Backu