Dell PowerVault MD3820f - Manual (Page 10)

About The Advanced Path ...........................................................................................................177
Preparing Host Servers To Create The Snapshot Using The Advanced Path ............................177
Creating The Snapshot Using The Advanced Path .................................................................... 179
Specifying Snapshot Virtual Disk Names ..........................................................................................180
Snapshot Repository Capacity ......................................................................................................... 180
Re-Creating Snapshot Virtual Disks ..................................................................................................182
Disabling A Snapshot Virtual Disk ..................................................................................................... 182
Preparing Host Servers To Re-Create A Snapshot Virtual Disk ................................................. 183
Re-Creating A Snapshot Virtual Disk ................................................................................................184
12 Premium Feature—Virtual Disk Copy............................................................ 185
Using Virtual Disk Copy With Snapshot Or Snapshot (Legacy) Premium Feature ......................... 186
Types Of Virtual Disk Copies ............................................................................................................ 186
Offline Copy ................................................................................................................................ 186
Online Copy ................................................................................................................................ 186
Creating A Virtual Disk Copy For An MSCS Shared Disk ..................................................................187
Virtual Disk Read/Write Permissions .................................................................................................187
Virtual Disk Copy Restrictions ...........................................................................................................187
Creating A Virtual Disk Copy ............................................................................................................ 188
Setting Read/Write Permissions On Target Virtual Disk ............................................................ 188
Before You Begin ........................................................................................................................ 189
Virtual Disk Copy And Modification Operations ........................................................................ 189
Create Copy Wizard .................................................................................................................... 189
Failed Virtual Disk Copy .............................................................................................................. 189
Preferred RAID Controller Module Ownership ................................................................................189
Failed RAID Controller Module .........................................................................................................190
Copy Manager ...................................................................................................................................190
Copying The Virtual Disk .................................................................................................................. 190
Storage Array Performance During Virtual Disk Copy ..................................................................... 191
Setting Copy Priority ..........................................................................................................................191
Stopping A Virtual Disk Copy ............................................................................................................192
Recopying A Virtual Disk ................................................................................................................... 192
Preparing Host Servers To Recopy A Virtual Disk ...................................................................... 192
Recopying The Virtual Disk ......................................................................................................... 193
Removing Copy Pairs ........................................................................................................................194
13 Device Mapper Multipath For Linux...............................................................195
Overview ............................................................................................................................................195
Using DM Multipathing Devices ........................................................................................................195
Prerequisites ................................................................................................................................ 196
Device Mapper Configuration Steps ................................................................................................ 196
Scan For Newly Added Virtual Disks ........................................................................................... 197