Welcome to the Oracle community forum and interact with 2 million technical staff to go to 6.3BBED tool 7. How to Use dbms_repair to mark and skip Bad blocks, but when the data volume is large or 7*24, we use dbms_repair for processing. Dbms_repair is provided from oracle8i. Preparation: createtablespacebloc
Welcome to the Oracle community forum and interact with 2 million technicians> go to 6.3 BBED tool 7. How to Use dbms_repair to mark and skip
Read the original: Why do programmers always write bad code? These 3 reasonsI've been thinking lately about why we're always producing bad code as an industry.1. Obvious reasons ...I suddenly think of the most obvious reason is that there are good programmers, there are not so good programmers, some people have high technical level, some people are low level, someone is interested in this skill, but also so
First Bad Version Http://lintcode.com/en/problem/first-bad-versionThe code base version is a integer and start from 1 to N. One day, someone commits a bad version of the code case, so it caused itself and the following versions is all failed in t He unit tests.You can determine whether a version was bad by the followi
I often hear people around me say, "What should I do? I found out that my blood lipids are abnormal?" and "my blood pressure is too high." What should I do if I got fat again recently? I already had fatty liver in my last physical examination !" These problems may have happened to you too. In fact, one of the root causes of these problems is "eat "--
The following small series will list the top ten health killers related to "eating:
Bad habits 1:
How to repair the hard drive under Win7 system bad way?
The method is as follows:
First, the logical bad road repair method
1, for the logical bad way of the repair method, the commonly used software is "efficiency source large capacity HDD Inspection repair Program", the software to all Chinese-friendly interface, easy for beginners to use.
2,
A bad chunk of what is a database
First of all, let's take a look at the format and structure of the database blocks--the data blocks of the database have a fixed format and structure, three-layer cache layer,transaction Layer,data layer. When we read a data block, the database checks the data blocks that are read and written, including the type of data block, the address information of the block, the SCN number of the data block, and the head and ta
Hard disk use for a long time there may be a variety of problems, and the hard drive "bad" is the most common problem, hard drive bad way to do?
Hard drive Bad word this is a shocking, people are afraid of words. IBM's reputation has been declining recently. When you use the system Windows system disk scanner ScanDisk scan the hard disk, the system prompts that
Speaking of bad breath, we are very familiar with many friends around have the trouble of bad breath. Even if you brush your teeth in the morning and night, it makes us very embarrassed, so what causes bad breath to occur? How to prevent bad breath? Here we will give you a detailed introduction of the cause of
Use Smartmontools to detect Bad Sectors on Hard DisksGuideA bad track is a part of a disk or flash memory that can no longer be read or written. It is generally caused by physical damage to the disk surface or flash transistor failure. As Bad channels continue to accumulate, they will have an unpleasant or destructive impact on your disk or flash capacity, and ma
Recently, www.seovip.cn not only because Robin in a short period of 18 days to optimize the keyword "SEO training" to enter the first page of Baidu search results, but also because seovip.cn suffered a variety of Baidu algorithm baptism. Target keyword ups and downs, was Baidu K dropped and back, back with K off, plus Robin's various marketing strategies, so www.seovip.cn has been SEO industry legendary. This is not, seovip.cn now because of the complete no rankings with WWW, and not with the WW
Hard drive bad way divides into logical bad way and physical bad way.
The logic of the hard drive is usually due to the use or improper operation of the software, such as frequent abnormal shutdown (of course, frequent abnormal shutdown may also lead to physical bad way) caused. Hard drive logic
most computer stores will be for a variety of reasons to persuade you to change the new hard drive.
Or you can choose to repair, but the price is certainly not cheap, at least 100 +, the conscience of the boss, will charge you a cheaper point.
In fact, I would like to tell you that your hard drive, you may not be able to do it, even if the physical bad, you can also let the hard drive trouble-free operation.
A little understanding of the computer,
You are a product manager and currently leading a team to develop a new product. unfortunately, the latest version of your product fails the quality check. since each version is developed based on the previous version, all the versions after a bad version are also bad.
Suppose you havenVersions[1, 2, ..., n]And you want to find out the first bad one, which causes
Experiments on free and bad data blocks:Use dbv to check data files[Oracle @ orahost ~] $ Dbv file =/oracle/oradata/orcl/users01.dbfDBVERIFY: Release 10.2.0.5.0-Production on Tue May 6 06:48:02 2008Copyright (c) 1982,200 7, Oracle. All rights reserved.DBVERIFY-Verification starting: FILE =/oracle/oradata/orcl/users01.dbfPage 310 is marked uptCorrupt block relative dba: 0x01000136 (file 4, block 310)Bad chec
This article is in the study summary, welcome reprint but please specify Source: http://blog.csdn.net/pistolove/article/details/49719255you is a product manager and currently leading a team to develop a new product. Unfortunately, the latest version of your product fails the quality check. Since Each version was developed based on the previous version and all of the versions after a bad version were also bad
RMAN for Data block recoveryRman can be used to achieve data block-level data recovery, in the traditional recovery means that a data file block is damaged, resulting in the entire data file can not be tried,The entire data file must be recovered from the backup at this time. Obviously such a method will be longer, and rman implementation block-level recovery, if a data file data corruption, through a full backup of the data file can beRecover data blocks.Case:The database is a single-instance O
Sometimes we have problems with the bad iphone signal, the iphone signal can be a variety of reasons, in addition to the operator's problem, location and the iphone itself is more likely, below we look at 4 strokes to solve the iphone signal bad skills.
switch Flight mode, re-search the signal .In the day-to-day use of the iphone, occasionally there will be poor phone signal, for example, i
Methods for detecting bad blocks of Oracle databases:
1, use DBV (DB File Verify) tool;
2, use Rman (Recovery Manager) tool;
DBV (DB File Verify) Tool:
External command, physical media data structure integrity check;
It can only be used for data files (offline or online) and does not support block checking of control files and redo log files;
You can also verify the backup file (Rman Copy command backup or operating system CP command Backup);
E
Bbed is the abbreviation for Block Browser/editor and is an internal tool of Oracle that does not publish documentation and support. Bbed is released with the software, but we need a simple relink to use.
While there are many risks to the use of bbed tools, they can be used properly to solve many tricky problems and to practice techniques such as bad block repair.For example, the Bbed tool in oracle10g also requires manual relink to be used, a
To solve the problem of Bad blocks in a database, the processing record is as follows:
1.Based on the error message, use DBV to check whether the file contains bad blocks. If yes, continue and use the following SQL statement to query whether the bad block is index or data, if it is an index, delete and re-create the index. If it is data, it is troublesome and yo
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