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1. Physical bad blocks and logical bad blocksThere is a concept in the database called data block consistency, Oracle's data block consistency includes two levels: physical consistency and logical consistency, if a data block at these two levels of inconsistency, it corresponds to the physical and logical bad blocks we want to say today.There is a checksum field
One, LCD panel is the largest cost As we all know, the cost of the LCD panel itself is the most important part of the liquid crystal display. We take the market mainstream 19-inch widescreen LCD display For example, the latest updated international LCD supply price, 19-inch widescreen TN panel price of 122 U.S. dollars, relative to the 19-inch international LCD terminal price of 205 U.S. dollars, the calculation of the LCD panel accounted for the end price ratio reached nearly 60%. According t
Enterprise Edition Release 10.2.0.4.0-production with the partitioning, OLAP, Data Mining and Real application testing options sql> conn Livan/livan Connected . Sql> select * from test; ID NAME ---------------------------------------- 1 Beijing 2 Shanghai 3 Shandong sql> Conn/as sysdba Connected. Sql> alter system flush Buffer_cache; System altered. Sql> Conn Livan/livan Connected. Sql> select * from test; SELECT * FROM Test * ERROR @ Line 1
Q: The same Joseph problem, but now there are K good guys and K bad guys. Determine a step. Yes, all the bad guys are cleared before the first good guys are cleared. Question: 1. The order in which the bad guys are cleared does not matter. Just know whether the next one is a good guy or a bad guy. 2. since there are a
Previously, I wrote to use badblocks to check bad channels. Since badblocks only checks for Bad Sectors, and then marks the bad track information in the log file, it does not process the bad sectors. If you want to skip these bad blocks during disk checking, the number of-l
Oracle RMAN repairs logical Bad blocks RMAN implements block recoveryThe trial of Rman can achieve block-level data recovery. In the traditional restoration method, that is, a data block of a data file is damaged, the entire data file cannot be used for trial, in this case, the entire data file must be restored through backup. Obviously, this method takes a long time, And RMAN implements block-level recovery. If the data in a data file is corrupted, t
When the current disk partition detection is complete, the disk will automatically appear in the bad, click the "Try to repair" button, the program will automatically repair the hard drive logic bad way. The "physical bad track" that exists on the disk is not fixed by the repair program. A better way to solve this problem is to partition and hide the
The computer often appears blue screen situation, this may be because the hard drive has a bad case. Can scan the hard drive, if found bad, you can use the following methods to resolve. Hard drive bad road is mainly divided into logical and physical bad road Two, logical bad
10:03 received the resource synchronization library of the outage alarm, log in the database to verify that the database is indeed abnormal, the first response to manually restart the library, but still failed.Look back at the database alarm log, found a large number of 600 and 7445 errorLook at the trace file and discover that it is an update to the same table T_product_addr_6_8_temp_area:After a continuous error, the database itself has a bad block
/valuenet_ora_12384.trcCorrupt block relative dba:0x00000001 (file 5, block 1)Fractured block found during KCVXFH V8Data in bad block:type:0 Format:2 rdba:0x00000001Last Change scn:0x0000.00000000 seq:0x1 flg:0x05spare1:0x0 spare2:0x0 spare3:0x0Consistency value in tail:0x00000001Check value in block header:0xa701Computed Block checksum:0x0Reading datafile '/app/oracle/oradata/freetouch/drp_200200 ' for corruption in rdba:0x00000001 (file 5, block 1)R
For E-commerce sites, the user's browsing experience is essential, only do a good user experience, will have users willing to buy your products, however, many web designers are often in the user experience to make some low-level errors, today, I listed 10 typical Web site design bad browsing experience. Disadvantages One: Excessive use of flash, JavaScript, Ajax, and Java Enterprise sites and commercial sites are particularly prominent in this regar
Tags: oracle block corrupt corruptionIn general, Oracle's bad blocks can be divided into two scenarios: physical and logical corruption. Physical damage is caused by storage, which causes Oracle to find that the block's checksum is inconsistent when it processes data blocks. The logical damage is due to Oracle bugs or memory errors, and there is no problem with detecting blocks of checksum, but logically these blocks have been corrupted.Oracle control
Tag: ROM ble operation code Sep erro Column View object[Oracle] ORA-600[KDBLKCHECKERROR]LOB Bad block handlingThe customer environment reported the following error:Ora-00600:internal error code, arguments: [Kdblkcheckerror], [2], [10388], [63068], [], [], [], [], [], [], [], []The alert log has this information:Thu Sep 07 19:14:00 2017Corrupt Block FoundCONT = 0, TSN = 1, tsname = SysauxRFN = 2, BLK = 10123, rdba = 7364815Objn = 10388, OBJD = 10388, O
Use dbv and rmanblockrecover to repair bad Oracle Database blocks. Use dbv and rman blockrecover to repair bad Oracle Database blocks. Use dbv and rman blockrecover to repair bad Oracle Database blocks. (1) alert. log reports the following error during rman backup: Fri Jul 2 12:41:36 2010 Hex dump of (file 12, block 2718618) in trace file/u01/app/oracle/admi
The previous two days a colleague's database alert log has been brushing out the ora-600 [Ktbdchk1:bad DSCN] Error, which affects the INSERT statement on a table, which has failed recently, and has not found a similar case from a known bug. Environment 11.2.0.4 2nodes RAC, not configured with Data Guard, here is a simple recording of the process of the problem. # ALERT Log Tue 26 19:28:53 2016Thread 1 advanced to log sequence 83177 (LGWR switch)Curr
The work of teachers is complex and difficult. After years of intense living, many teachers suffer from irregular diet and unbalanced nutrition, leading to many "food-related" diseases. On the occasion of the arrival of China's 26th Teachers' Day, we have checked Eight bad habits of teachers in their diet for their own health, we remind every teacher to get rid of these bad habits as soon as possible. ■
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: eati
Some websites running on Nginx sometimes appear as "502 Bad Gateway" errors, some times even frequently. The following is a small compilation of some of the Nginx 502 error troubleshooting Methods for reference: The reason for the Nginx 502 error is more due to a problem with the backend server in Agent mode. These errors are generally not nginx itself problem, must look for the reason from the back end! But nginx all these mistakes in their own body
taught us to "learn a new language each year" to be an undefeated place in software development ". Linux father Linus Torvalds dedicated Version Control Software git for Linux kernel development has aroused widespread attention in the industry. Yesterday, a Dmitry kakurin dude was checkingSource codeLater, I found that I was using pure C instead of C ++, indicating that I could not understand it. He bluntly said, "Don't talk about portability. This is a fart (BS, bullshit ). "(In addi
Recently, server downtime occurs frequently. When I get off work, G crashes and 502 Bad Gateway Nginx reminds me of the previous 504 Gateway Time-out, the two should be in a certain relationship. Nginx 504 Gateway Time-out means that the requested Gateway does not have a request. Simply put, it does not have a request for PHP-CGI that can be executed. To solve these two problems, we need to think about it comprehensively. In general, Nginx 502
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