mongodb recovering

[ERROR]/usr/sbin/mysqld:the table ' cps_effect_confirm_log_1301 ' isToday to a database recovery data, is a 25G library, in the execution of half is, the occurrence of such an errorOne, view the disk space 'DF-DH see that the MySQL directory (not the installation directory) is not a problem.Second, open the MySQL configuration file my.cnf Modify the size of the two parameters (default is 16)tmp_table_size=256mMax_heap_table_size = 256MRestart MySQL after modificationCheck if you have changed in

Foremost we can only recover deleted files in Linux, as long as they are not overwritten on the hard disk.Install firstto install foremost on CentOS, we will download and install the first RPM from the official website. Open the terminal and execute the following command$ sudo yum install https:///forensics.cert.org/centos/cert/7/x86_64// Foremost-1.5.7-13.1.el7.x86_64.rpm-ywith Ubuntu, the most important packages can use the default repository. To install the most important on Ubuntu, run th

, which is different, and concurrent to the same table import, the effect is generally not better than the serial way. Two tables are imported concurrently with Mysqlimport. Mysqlimport--use-threads=2 Test/home/mysql/t.txt/home/mysql/s.txt If you look at the list of MySQL database threads during the run of the above command, you should see something like this: Show Full Processlist\g 1.row*************************** id:46 User:rep host:www.dao.com:1028 Db:null Command:binlog Dump time:37651 Sta

, although the backup is not omnipotent, but no backup is absolutely no. Any data recovery tool has some limitations, there is no guarantee to fully recover all the data, therefore, the backup as the core, the data Recovery tool as an aid is the operation and maintenance personnel must adhere to a guideline.Similarities and differences of Extundelete and Ext3grepUnder Linux, the data Recovery tool based on open source has many, common have Debugfs, R-linux, Ext3grep, Extundelete, etc., more comm

the corresponding AD object is deleted when you delete a mailbox by deleting it through the Exchange Admin Center or by using the EMS run Remove-mailbox command. For a deleted mailbox, Exchange identifies the mailbox as a disconnected mailbox, and the ad is stored in the ad Recycle Bin (if the ad Recycle Bin is enabled), so the corresponding AD object is recovered directly from the ad Recycle Bin for recovering the deleted mailbox, but the following p

recovering Exchange storage groups and databasesXX Company's user box database is destroyed, all employees are unable to use the company's mailbox to send and receive mail, you need to restore the Exchange storage group and database to complete. There are several steps you need to take before recovering your Exchange e-mail storage groups and databases:1. Use Ntbackup to back up e-mail650) this.width=650; "

low.Third, RAID data recovery failure considerations1, data loss, the user must not do any operation on the hard disk, the hard disk in order to remove, with the mirror software to make each hard disk image file, can also be sent to the Professional data Recovery Center.2, do not rebuild the RAID card operation, otherwise it will increase the difficulty of recovering data.3. Mark the order of the hard disk above the raid card.4, if there is a problem

First, the error situationSometimes when you restart the database service, you will find that some databases are recovering, doubtful, suspicious, and the DBA will be very nervous, and here are some proven methods in practice. Once the database service is restarted, the database display is recovering, after a long time or this state, offline not too long, so think of a way to stop the database service, the

Label:Example: Recovering a database system on a new serverHere are the reference steps. Note that instructions that run under the command line are case-sensitive.1. Verify that the SQL Server version of the standby server is the same as the original server.Because we need to restore the system database, we need to ensure that the master and msdb we recover are consistent with the resource database of the standby machine. Otherwise, SQL Server will no

from ilannitable; Through, we can clearly see that the current Ailanni database has been fully restored, and the data is not lost. 10. recovering the specified portion of the Ailanni database When recovering a database through MySQL's binlog log, we can specify the location of the database recovery, the time of recovery, and the location and time at which the database recovery is not specified. For instru

Recovering hacker attacks from a small number of access logs In the martial arts world, we often mention "bodies can talk", while in the world of cyber attack and defense, logs are the most important means of tracking. Today, we will talk about how to restore the entire hacker attack process and common attack methods through just a few lines of access requests.Every day, a large number of attackers exploit the vulnerabilities of various plug-ins to at

After the Exchange2013 release, the migration of mailboxes depends on the role of the system "Migrating mailboxes". If the role is corrupted or missing, it is bound to affect the migration of the mailbox, so we need to have a way to fix the role.What is a migration mailboxWhen introducing or deploying Exchange2013 or Exchange2016 in the Exchange organization, we find that there is one more user in the ad's Users container. migration.8f3e7716-2011-43e4-96b1-aba62d229136. It resembles a discovery

This is the second time I have encountered this hole in my project today, so write it down lest I meet again. Because the project form validation with a JS plug-in, do not know how to cause the form of the submission of the event was disabled, the result I adjusted for half a day, finally finally solved. Haha, no nonsense, start to say the method.$ ("#searchForm"). attr ("Action", "/lease/bulkexport");$ ("#searchForm"). Unbind ("submit");//restore Default Events$ ("#searchForm"). Submit ();$ ("#

state is--->com. FINALIZEGC@c17164 The object state is--->null As you can see, Finalize was executed at the time of the GC, and the object was saved, but the discovery was executed only once, and it was saved only once, so there was a value, and one was null. Here you can see that the JVM's Finalize () of the object is only executed once, In this case, it is not recommended to override this method because it interferes with the object's recycling call mechanism and is expensive to run.In

Create a backup deviceUse masterGoEXEC sp_addumpdevice ' disk ', ' data123 ', ' D:\123.bak 'Backing up dataBackup database data1 to disk= ' D:\123.bak 'Backup LogBackup LOG data1 to disk= ' D:\123.bak 'View Backup StatusRestore HEADERONLY from disk= ' D:\123.bak 'Restore full data and logsRestore database data1 from disk= ' D:\123.bak ' with File=1,replace,norecoveryRestore log data1 from disk= ' D:\123.bak ' with File=2,replace,norecoveryRestore log data1 from disk= ' D:\123.bak ' with File=3,r

The Help viewer for vs2013 and vs2015 is used to view it, but the official does not provide the ability to back up and restore bookmarks, which requires manual action.vs2013 Bookmark File Save location:%USERPROFILE%\appdata\local\microsoft\helpviewer2.1\hlpviewer_visualstudio12_en-us.settingsvs2015 Bookmark File Save location:%USERPROFILE%\Appdata\local\microsoft\helpviewer2.2\hlpviewer_visualstudio14_en-us.settingsBackup willsettings Filein the following: max = "1" .

Recovering the Ext4 file system Superblock1. Create ext4 file System.[Email protected] ~]# MKFS.EXT4/DEV/VDB1[Email protected] ~]# PARTPROBE/DEV/VDB2. Mounting the file system[[email protected] ~]# grep vdb2/etc/fstab/DEV/VDB1/EXT4 EXT4 Defaults 0 0[Email protected] ~]# mount-a[Email protected] ~]# df-hFilesystem Size used Avail use% mounted on/DEV/VDB1 100G 1.7G 94G 2%/EXT43. unmount the file system and destroy Super Block[Email protected] ~]# UMOUNT

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Steps for recovering the vswitch Password ⒈ Connects the console port of the vswitch to the terminal or the PC simulation terminal. Use a direct connection without Modem to connect the serial port of the PC to the console port of the switch. ⒉ First press the mode key on the switch panel, and then turn on the power. ⒊ Initialize flash. > Flash_init ⒋ Rename the configuration file containing password. > Rename flash: config. text flash: config. old ⒌ S

We in the WIN10 system computer use, Lu Master is a lot of small partners are in use of scanning software, we can directly use to restore our computer, today saw a small partner in use when the WIN10 with the LU Master Ultra DMA CRC error Count, how to recover this problem, Today, I would like to share with you the effective solution to the WIN10 with the LU Master Ultra DMA CRC Error Count recovery method.The specific method and the detailed steps are as follows:Cause analysisIn this case, ther