EVM Jobs and Job Management

UNIX Clone Example

The following example illustrates the use of volume commands for a typical UNIX-based clone job:

CLONE VOLUME dbserver /mnt/lv00 2

NORMALIZE VOLUME dbserver /mnt/lv00

SUSPEND WAIT dbserver freeze_db.sh

SPLIT VOLUME dbserver /mnt/lv00 $BCV1

RESUME NOWAIT dbserver thaw_db.sh

MOUNT VOLUME $BCV1 backupserver 1 /mnt/lv00-bcv

LAUNCH WAIT backupserver backup_db.sh

Each operation is explained in the operation sections that follow.

Clone Operations

The following clone operations are applicable in both Windows and UNIX environments.

Clone Unit Operation

The first step in a clone job is to select the necessary disks and attach them to the specified source units to begin the process of normalization. In the Windows Clone Example on page 9–2, the clone operation starts on units D1, D2, and D3 on SUBSYS1, using a minimum redundancy value of 2 members.

Clone Volume Operation

The first step in a clone job is to select the necessary disks and attach them to the specified source units to begin the process of normalization.

In the UNIX Clone Example on page 9–3, the clone operation is started on logical volume /mnt/lv00, using a minimum redundancy value of 2 members. This starts the process of cloning all of the physical volumes that make up the volume group or domain that the mount point is based on.

Normalize Unit Operation

The normalize operation checks the status of the clone copy process and waits until normalization is complete on all clones before starting the next step. Although clone normalization occurs in parallel (all clones normalize simultaneously), normalize functions must be specified for each clone to make sure that all clones are completely normalized before the next operation starts.

Enterprise Volume Manager (Multi-OS) Network Administration Guide

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HP Enterprise Volume Manager Software Unix Clone Example, Clone Operations, Clone Unit Operation, Clone Volume Operation

Enterprise Volume Manager Software specifications

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