Learning and mastering how to use NBU to back up the file system is just the beginning for a data administrator. Because for most enterprises, buy NBU is mainly to back up the data of the enterprise database, protect the data security of the database, and then ensure the safe operation of the enterprise application. As a result, database backups for Oracle, DB2, and Sybase will be rolled out from this article. Brief Introduction to Oracle Backup: Simp
During traditional Oracle backup, database files are backed up by copying operating system files. The backup granularity is data files, and the data files may be large, however, it is empty blocks and there is no Oracle data, but because it is a file copy, you need to back up the entire file.
The backup set value of ramn backs up used data blocks and supports Inc
In a SQL Server database, backup and restore are only performed on the server, the backed up data files are on the server, and the restored data files are only available on the server, when the SQL Server client is started on a non-server machine. The client can also be used to back up and restore the database, but this operation is essentially on the server, the backup data file on the server, the restored
1. Enter the Yun Yu virtual machine backup system and select "Backup/Restore"-"virtual machine backup" to create a new backup task.2. Under H3C CAs virtualization type tick the virtual machine that you want to back up, the selected virtual machine appears under selected virtual machine, scroll to the bottom of the page
5 years ago, I introduced a piece of software in my blog called the Moonlight Box. It is through the FTP to your website backup, you can also through the FTP two sites to synchronize data.Now, the Moonlight box has not been done for two years.Back, site Backup I have been a manual backup, initially weekly backup once a
Data backup is one of many aspects that the Mac designers really think about. Mac Backup is not a perfect story, but it's obviously better than Windows and Linux.
If you're a storage administrator, having a typical web-based backup product is not a bigger challenge for you than the other desktop Mac. You install the Mac OS version of the
Tags: After the begin backup is performed, Oracle marks the data files that will be backed up as hot-backup-in-progress, locking the SCN of the datafile header to be backed up, such as at this point scn= 100, while Redolog will remember this SCN, other data files normal use, SCN will continue to grow. The data file is then allowed to write and checkpoint during the bac
Percona xtrabackup ( PXB) is a backup tool developed by Percona Company for the physical hot standby of MySQL database, supporting MySQL (Oracle), Percona Server and MariaDB, and all open source, is the industry's conscience. Tool SetAfter the package is installed, there are 4 executable files, as follows:usr├── bin│ ├── innobackupex│ ├── xbcrypt│ ├── xbstream│ └── xtrabackupThe most important is the innobackupex and xtrabackup , the former is
When SQL injection is used to obtain the database permission, you can do a lot of work next, such as looking for the administrator password and background management, to help you get WEBSHELL, but this article is about log backup, the pony backed up by LOG is small in size and the backup is successful. Therefore, it is my first test method for database permissions.However, in LOG
Original: SQL Server Backup and Recovery series backup and restore in four capacity modesI. OverviewIn the first section of the SQL Server backup and recovery series, there is knowledge about backup and restore in bulk mode. This article focuses on the most common backup and
it is to back up the database. The following describes how to back up and restore the database with ORACLE7 as an example. ORACLE databases have three standard backup methods: EXPORT/IMPORT, cold backup, and hot backup. Exporting backup is a logical backup, while cold
I. Problem Description
OS: RedHat 5.8
Database: 11.2.0.3
2 node RAC.
When using RMAN for backup, the following error is reported:
ORA-00245: control file backup failed; target is likely on a local file system
This issue only exists in RAC environments after Oracle 11gr2.
2. ORA-245 trigger conditions
ORA-00245 errors may occur in five of the following environments.
2.1 RAC environment, automatic
Brief introduction
1 • Concept of full and incremental backups2 • Full backup with mysqldump3 · Using Mysqldump for table structure backup4 • Two methods of full backup recovery5 • Incremental backup with flush logs6 • Incremental Backup recovery7 · Based on point-in-time and seat recovery8 · MySQL
1. Full database backup: Divided into archive and non-archive by archive mode
Archive mode
Open state, non-consistent backup
Off state, can be divided into consistency and non-conformance
Non-archive mode
Open, non-consistent backup invalid
Shutdown status, consistent backup, non-consistent
I. OverviewIn the first section of the SQL Server backup and recovery series, there is knowledge about backup and restore in bulk mode. This article focuses on the most common backup and restore modes in bulk mode "full backup + differential backup + log
Myth #20: After breaking the log backup chain, a full backup is required to restart the log chain
Error
A transaction log backup backs up all transaction logs since the last transaction log backup (if there has never been a log backup, starting with the last full
During the Rman machine recovery process, I first made an incomplete recovery, and then recovered when prompted by the error:Starting restore at 29-dec-15Using channel Ora_disk_1RMAN-00571: ===========================================================RMAN-00569: =============== ERROR MESSAGE, STACK follows ===============RMAN-00571: ===========================================================Rman-03002:failure of Restore command at 12/29/2015 16:56:34Rman-06026:some Targets not found-aborting resto
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