12 premium feature—virtual disk copy, 13 device mapper multipath for linux – Dell POWERVAULT MD3600I User Manual

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Re-Creating Snapshot Virtual Disks

......................................................................................................................161

Disabling A Snapshot Virtual Disk

........................................................................................................................162

Preparing Host Servers To Re-Create A Snapshot Virtual Disk

.....................................................................162

Re-Creating A Snapshot Virtual Disk

....................................................................................................................163

12 Premium Feature—Virtual Disk Copy................................................................................165

Using Virtual Disk Copy With Snapshot Or Snapshot (Legacy) Premium Feature

...............................................165

Types Of Virtual Disk Copies

.................................................................................................................................166

Offline Copy

....................................................................................................................................................166

Online Copy

....................................................................................................................................................166

Creating A Virtual Disk Copy For An MSCS Shared Disk

......................................................................................166

Virtual Disk Read/Write Permissions

....................................................................................................................167

Virtual Disk Copy Restrictions

...............................................................................................................................167

Creating A Virtual Disk Copy

.................................................................................................................................168

Setting Read/Write Permissions On Target Virtual Disk

................................................................................168

Before You Begin

...........................................................................................................................................168

Virtual Disk Copy And Modification Operations

.............................................................................................168

Create Copy Wizard

........................................................................................................................................169

Failed Virtual Disk Copy

..................................................................................................................................169

Preferred RAID Controller Module Ownership

.....................................................................................................169

Failed RAID Controller Module

.............................................................................................................................169

Copy Manager

......................................................................................................................................................170

Copying The Virtual Disk

.......................................................................................................................................170

Storage Array Performance During Virtual Disk Copy

.........................................................................................171

Setting Copy Priority

.............................................................................................................................................171

Stopping A Virtual Disk Copy

................................................................................................................................171

Recopying A Virtual Disk

......................................................................................................................................172

Preparing Host Servers To Recopy A Virtual Disk

.........................................................................................172

Recopying The Virtual Disk

............................................................................................................................173

Removing Copy Pairs

............................................................................................................................................173

13 Device Mapper Multipath For Linux...................................................................................175

Overview

...............................................................................................................................................................175

Using DM Multipathing Devices

...........................................................................................................................175

Prerequisites

..................................................................................................................................................175

Device Mapper Configuration Steps

....................................................................................................................176

Scan For Newly Added Virtual Disks

.............................................................................................................176

Display The Multipath Device Topology Using The Multipath Command

......................................................177

Create A New fdisk Partition On A Multipath Device Node

...........................................................................177

Add A New Partition To Device Mapper

........................................................................................................178

Create A File System On A Device Mapper Partition

.....................................................................................178

Mount A Device Mapper Partition

.................................................................................................................178

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