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Backup | recovery | Data not backed up, only archived logs, how do I recover data files?
System environment: 1, operating system: Windows Server, machine memory 128M
2. Database: Oracle 8i R2 (8.1.6) for NT Enterprise Edition
3, Installation path: C:\ORACLE
Simulation phenomenon:
Can be restored by rebuilding the data file, provided the archive log file is saved intact first set the database to archive mode
folder in the root directory/bbb, mount the shared folder under/BBB, as shown in6) Install the Environment Pack rpm-ivh/mnt/packages/e2fsprogs-libs-1.41.12-18.el6.x86_64.rpm, and its expansion pack rpm-ivh/mnt/packages/ e2fsprogs-devel-1.41.12-18.el6.x86_64.rpm, expansion pack as an error, follow the prompts to install the expansion pack's dependency package Libcom_err-devel = 1.41.12-18.el6 is needed by e2fsprogs-devel-1.41.12-18.el6.x86_64, then install the expansion pack as shown (if there i
Restore accidentally deleted oracle data files
Recovery Method for accidental deletion of oracle data files on the Linux platform simulates misoperations: the database is running normally and data files are directly rm. -- 1. test Environment: $ cat/etc/redhat-releaseCentOS release 6.5 (Final) select file_name from dba
you want to install, easy to find. After the selection is completed, click Install
Installation complete, click "Finish" to open the software.
Software main interface as shown above, this software is charging software, not registered words have use time limit.
Two function Introduction1. Delete recoveryThis feature allows you to quickly recover a file that was mistakenly deleted on a disk, which is
I feel that myeclipse is really powerful. I have to write this function, or I am sorry for the author of myeclipse.
1. Restore class files
During Development a few days ago, I accidentally wrote 1000 linesCodeThe class is deleted, and the instinct is to press Ctrl + Z to restore, but it is useless, but there is still a solution to the search, it is a bit difficult to re-write it again
Unwilling, haha fin
In Linux, the/etc/fstab file is a disk mount problem, if the file is accidentally modified, or deleted, it will cause the system cannot be restarted. Because the/etc/fstab file is a record of the disk mount information, if there is a problem with the file, then the corresponding home directory (/) and (/boot) and swap disks will not be mounted, so this file is very important for the Linux system.I made the mistake is: I in the Hadoop cluster file conf
When we use 360 protection, we often encounter some files have been quarantined, or you are using the computer often accidentally delete some files, so it will be your work can not be done, but now the anti-virus software has basically a file recovery function, Small make up to share the next 360 antivirus How to recover file
Because the staff turnover is not pleasant, the system engineer after leaving, because the company did not close its VPN in time, the database server (Linux 6.5 Oracle 11.2.0.1) account is not modified, and finally directly up to RM oracle_base to kill, The tragedy is that the Oradata catalogue is also inside, and it is even more tragic that all the data files are in it. That is, the database was completely delete
1, the computer has not 360 security defender's small partner can first download 360 security Guardian Latest edition
2, after the successful installation of the download, open 360 security guards
2, click on the lower right corner of more, you can see file recovery
3, click on File Recovery, if you are the first time, 360 security guards will automatically help you install the file recovery plugin
4, click the file you want to restore the location of the
In the production environment, data files in the database will always be deleted by mistake. For example, SA does not know the database, and the online database log is redo01.log, or deleted after cp backup, name the data file as none
In the production environment, data files in the database will always be
-recursiveMaking all in SRCMaking install in SRC/usr/bin/install-c ' extundelete '/usr/local/bin/extundelete 'Restore Operation command--umount or Read only partitionUmount/dev/partitionMount-o remount,ro/dev/partition
--Recover filesXtundelete/dev/partition--restore-allExtundelete/dev/partition--restore-directory/backup/gnutool-deleteExtundelete/dev/partition--restore-files/etc/passwdTest recovery--Based
1, first we simulate the deletion of a file;
2, the document has been completely deleted;
3, click on the lower right corner of the "more" button;
4, found that there is a file recovery! If you cannot find a "file Restore" where you can refer to the arrow above;
5, select the file you deleted originally in the letter, just we are in D disk, so sele
We believe that a lot of friends and I like the use of 360 security guards, small knitting in the use of 360 guards delete files often mistakenly deleted many things, but some things are important, must be retrieved, how to do? The following is a number of ways to find the three, I hope to be useful!
I. Tools and Methods
Use of the 360 security guards in the 360 system first aid box to
UnrmHttp://packetstormsecurity.com/UNIX/utilities/unrm-0.92.tar.gzA small tool actually uses the debugfs command in Linux, which simplifies the steps for manual use of debugfs,There is no interactive interface, and the recovered files are directly placed under a fixed directory.
According to this situation, the tools that are bulky and need to be installed are out of the Selection Range. I used unrmWithout damaging the data disk content, I put this t
------ 1 oracle dba 64 May 14 8->/u01/app/oracle/admin/bdump/alert_prod.logLrwx ------ 1 oracle dba 64 May 14 9->/u01/app/oracle/product/10.2.0/db_1/dbs/lkinstprod (deleted)[Oracle @ prod fd] $
We can clearly see the words/u01/app/oracle/oradata/prod/disk2/users01.dbf (deleted), indicating that the file has been deleted.5. Restore
Run the cp command to copy the
Linux large files have been deleted, but df does not reduce the used space.Linux large files have been deleted, but df does not reduce the used space.
When the disk is full, you are about to delete some large files.
So I used ncdu to check the
programs. There are very few features that are really used in the attachment, and only Notepad, Windows Explorer is commonly used. Copy the desired program shortcut icon to the c:documents and Settingsall users[Start menu program attachment, and then delete the directory.
C:documents and Settings User name favorites
Here's the shortcut icon, "msn.com" and "Radio station Guide", have you ever used it? Delete it.
C:documents and Settings user name Favoriteslinks
As above, if not, you can dele
Application Environment: A table is accidentally deleted. At this time, I cannot restore the entire database, which is too troublesome. So now I will copy the data file from the new database to restore it. Therefore, Oracle cannot only restore a part of the data file when restoring the file, because oracle must ensure that the data file
Application Environment: A table is accidentally deleted. At this time,
, especially the folder will be added exe extension, directly delete its extension, while using the above method, through the resource manager to back up the files in the folder and unhide the properties.
9) format the USB drive, and then copy the backup file in it.
10) The original computer (the poisonous one) antivirus, or re-install the system can be. After reloading the general recommendation also do not double-click to open the individual drive
Tags: inux err Linux data recovery spro file src E30 recycle ext3In the operation of Linux system operations, often encountered due to careless operations, operation errors and other causes of file data loss situation. What is referred to here is a complete deletion, that is, the "Recycle Bin" can not be recovered, such as the use of "RM-RF" to delete data. For the Ext file system under Linux, the available recovery tools are debugfs,ext3grep,extundelete and so on, among which the Extundelete to
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