zfs data recovery

About Recovery with a Backup Control FileIf All copies of the current control file is lost or damaged, then you must restore and mount a backup control file. You must then run the RECOVER command, even if no data files has been restored, and open the database with the Resetlogs option. If Some copies of the current control file is usable, however, then can follow the procedure in "responding to th e Loss of

Trying to recover a database The code is as follows Copy Code C:\Documents and Settings\administrator>set oracle_sid=telnetC:\Documents and Settings\administrator>sqlplus/nologSql*plus:release 9.2.0.1.0-production on Sunday May 25 13:04:29 2014Copyright (c) 1982, 2002, Oracle Corporation. All rights reserved.Sql> Conn/as SYSDBAis connected.Sql> select Open_mode from V$database;Open_mode----------Mountedsql> ALTER DATABASE open;ALTER DATABASE Open*ERROR is on line 1th

DWHCTL1 created at /u02/oracle/ASM/diag/asm/+asm/+ASM/incident/incdir_674120NOTE: starting check of diskgroup DWHCTL1ERROR: file +dwhctl1.330.797592669: F330 PX11 => D0 A7650 => F385 PX135: fnum mismatchERROR: file +dwhctl1.330.797592669: F330 PX12 => D0 A7651 => F385 PX136: fnum mismatch KfdAuDealloc2 means that the Kernel Files Disk AU DEALLOCate is responsible for revoking the AU on the asm disk. This error generally indicates that the allocation table in ASM metadata may have logical

Links: http://info.mrtlab.com/notice/159.htmlNovember 21 (Morning 9:30-12:00): MRT Ultra New product launchPress release preset new products, new orders, function demonstrations and other links, many surprises, quickly participate!The fifth session of MRT Data Recovery Training Meeting schedule:November 21 Afternoon: Western Data-1. MRT-based

Computers are now playing a more and more important role in our daily life! We have also given more and more things to the computer. Important information, photos, music, programs, etc. crammed into our hard drive, but the computer with a long time will inevitably appear mistakenly delete important documents. Sometimes Windows Recycle Bin can be our regret medicine, but if even the Recycle Bin is emptied or disabled? There are many professional data

Preface I have been working for more than two months without knowing how to update my blog because I have to learn many things at work. Recently, my BOSS gave me a very difficult task, which puts a lot of pressure on me! That is a hospital's HP-EVA4100 data recovery. Although BOSS told me all EVA's internal algorithms, it is still very tricky. However, we finally made unremitting efforts to restore the EVA4

This session of the Linux page caches data on the synchronization and recovery mechanism page. Data synchronization and recovery is a two separate page concept. data synchronization is a memory/data consistency problem cache

U disk inadvertently to format, if there is no important data okay, once there are important data, we have to find ways to recover, there are many such methods on the Internet, but quite a lot of the method is in fact misleading, so I give you in this article to share a really available method, so that everyone easily restore the format of the U disk after the data