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specified virtual machine with KVM auto start virsh autostart -- disable Virtual Machine name // set the specified virtual machine with KVM auto start use LVM Snapshot technology to quickly create a new Virtual Machine 1. Copy and modify the MAC address when writing a snapshot volume (COW) based on the LV of the model machine !!!! ! [[emailprotected]~]#lvcreate-s-nrhel6-L10G/dev/vg_data/lv_node1Logicalvolu
LogicalVolumeManager (LVM) provides the "snapshot" (snapshot) function for any LogicalVolume (LV) to obtain the state consistency backup of a partition. When backing up a file in a certain state, an application may be accessing a file or database. This means that the file is in a state during backup, after the Logical
/snapshot/vm03-centos6.8/1.3 view disk Information 1 [[emailprotected] ~]# qemu-img info /data/images/vm03-centos6.8.img Tip: You can view all snapshots of a disk by viewing the disk information.1.4 view the current snapshot Information 1 [[emailprotected] ~]# virsh snapshot-current vm03-centos6.8 1.5 restore to snapshot
Lvm-snapshot: Attention and Please for LVM snapshot-based backup! The beginning 3. LVM-based snapshot backup Lvm-snapshot: LVM-based snapshot back
An error occurred while restoring the VM snapshot-Linux general technology-Linux technology and application information. For more information, see the following. The frame buffer layout of the current display cannot be made to match the frame buffer layout stored in the snapshot. the dimensions of the frame buffer in the snap
MySQL LVM snapshot backup features: 1, in most cases, this approach is almost a hot standby. It does not need to shut down the service, just set a read-only or similar limit. 2, support all local disk based storage engine, such as MyISAM, InnoDB and BDB, also support solid, primext and faction. 3, the fastest backup speed, because you only need to copy the rel
Tags: log top blocks mod min remove PVC oca Tor The three most commonly used backup tools for MySQL are mysqldump, xtrabackup (Innobackupex tools), and Lvm-snapshot snapshots.The previous sections describe:MySQL Backup series (1)--Summary of backup scenariosMySQL Backup seri
Brief introductionRecent work on data backup uses two tools, one DD, and the other a snapshot of LVM (snapshot). Because the data is large, the direct use of DD is very time-consuming, and LVM snapshots can be easily done in a few seconds, and can achieve real-time results, but the cost of using LVM snapshots is to exchange space for time.Let's start by understan
plain and the dispatch?? Long?/div> For the new purchase of Aliyun server ECS, this I have previously in the "ARI Server ECS purchase process and the VPS panel and experience Speed performance evaluation" in the article has been more detailed sharing, here will not repeat. This article focuses on common ECS servers when panel applications, including reload system OS change and selection, root password reset, upgrade and downgrade scheme, snapshot
Enable backup of files on HDFs via snapshotAPI address please see http://archive.cloudera.com/cdh5/cdh/5/hadoop-2.5.0-cdh5.2.0/hadoop-project-dist/hadoop-hdfs/HdfsSnapshots.html==========================================================================================1. Allow snapshot creationFirst, execute the command below the folder where you want to make the backup
Tags: mysql backup mysql LVMIt seems that the general people do not use this bar, here is only as a record it.In fact, the LVM snapshot no matter what storage engine can be close to hot standby, looks also good look. But it also needs some necessary conditions.For example: LVM volumes, and there is enough free space to take snapshots, and the transaction log is also associated with the data file.Well, don't
Use the snapshot feature of LVM to implement almost hot backup of data The snapshot function of LVM can record information at a certain time point to the snapshot area. Therefore, you can use this feature to completely back up data. Then, the new data can be incrementally backed up and restored using the binary log fil
Tags: LVM mysql backupDirectory1, Database Full backup2. Preparing the LVM Volume3. Data recovery to LVM volume4. Backup data based on LVM snapshot5. Data Disaster recovery6. SummaryWrite in front:The MySQL 5.5.36 database is already installed in the test environment, but the data directory is not stored in the LVM volume, this time to demonstrate LVM-based data backup and recovery, so the MySQL data first
new qcow2 format of the disk.3. Snapshot management of virtual machines(1) Create a snapshot of the oeltest01 virtual machineYou can also Virsh snapshot-create as oeltest01 snap1 after creating a snapshot alias.(2) View the version of the virtual machine image snapshot(3) V
MySQL Backup recovery based on LVM Snapshot Directory1. Full database backup2. Prepare LVM volumes3. Data Recovery to LVM volumes4. Back up data based on LVM snapshots5. Data Disaster Recovery6. Summary Preface:The mysql 5.5.36 database is installed in the test environment, but the data directory is not stored in the LVM volume. This shows how to back up and restore Data Based on LVM, therefore, the mysql D
Tags: lod centos7 radius-o linu Delete Table read Font networkBuild the Environment:centos7 close Selinux:setenforce 0 Shut down firewall: systemctl stop firewalld Build step: Creating a logical Volume # Pvcreate/dev/sda6# vgcreate Vg0/dev/sda6# lvcreate-l 5g-n lv_mysql vg0# lvcreate-l 3g-n lv_binlog vg0# Mkfs.xfs/dev/vg0/lv_mysql# Mkfs.xfs/dev/vg0/lv_binlog# Mkdir-pv/data/{mysql,backup} Create mount point# Vim/etc/fstab Perm
for backup 2. Mark binary log files and locations (manually ); Iv. Create LVM snapshots and release global locks. 1. Create snapshot volumes 2. Release the global lock V. Back up data and delete snapshots. 1. Mount the snapshot volume and check whether the volume is mounted successfully: 2. Insert data into the backup
Assume that you have installed and run the VM1 VM. Create an XML file vmdesksnapshot.xml with the following content: Run the following command to create the snapshot of VM1: virsh snapshot-create vm1 ./vm1_snapshot.xmlDomain snapshot vm1_snapshot created from './vm1_snapshot.xml' Check the
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information through another terminal;$ Mysql-uroot-p-e 'show master status \ G'>/path/to/master-'date + % F'. info View the current log:Mysql> show master status;+ ---------------------- + ---------- + -------------- + ------------------ + ------------------- +| File | Position | Binlog_Do_DB | Binlog_Ignore_DB | Executed_Gtid_Set |+ ---------------------- + ---------- + -------------- + ------------------ + ------------------- +| Mysqld-binlog.000007 | 650 |+ ---------------------- + ---------
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