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Dell EMC VMAX manual available for free PDF download: Configuration And Best Practices Technical Notes
Dell EMC VMAX Configuration And Best Practices Technical Notes (82 pages)
Non-Disruptive Migraion
Brand:
Dell EMC
| Category:
Speaker System
| Size: 2 MB
Table of Contents
Vmax Non-Disruptive Migration
1
Table of Contents
3
Executive Summary
5
Audience
5
Non-Disruptive Migration Overview
5
Ndm Migration Operations
7
Benefits
7
Manipulation of Device Ids and Host Paths
7
Supported Distance between the Source and Target
8
Effects on Devices and Existing Replication Sessions
8
Boot from San Support
9
Recognizing the Ndm Rdf Group
9
Setting up Multipe Ndm Relationships
9
How Ndm Handles Masking Groups and Views
10
Rules Regarding Masking Groups and Views
10
General Considerations and Limitations
11
Session Limits
11
Hardware and Software Requirements
11
Configuration Requirements and Prerequisites
11
Support Matrix
12
Preforming Ndm Operations Using Solutions Enabler
13
Examine the Pre-Migration Environment
13
Set up the Environment
15
Validate and Create Migration Sessions
16
Perform a Host Rescan
19
Cutoverready and Passthrough Mode
19
List the Ndm Sessions
21
Examine the Device Pairing and Identities Following a Create
25
Cancel a Migration
28
Perform a Cutover to the Target Array
29
Examine the Device Identities Following a Cutover
34
Revert to the Source Array
35
Commit a Migration
37
Perform a Host Rescan
38
Compare the Pre and Post Device Identities Following a Commit
41
Use the Recover Command
43
Remove the Migration Environment
44
Prerforming Ndm Operations Using Unisphere
45
Examine the Multipathing Configuration
47
Set up the Environment
47
Create Migration Sessions
49
Perform a Host Rescan
53
Cutoverready and Passthrough Mode
53
View Migration Session Details
54
Examine the Device Identities Following a Create
55
Cancel a Migration
57
Perform a Rescan Following a Cancel
59
Perform a Cutover to the Target Array
59
Examine the Device Identities Following a Cutover
64
Revert to the Source Array
66
Perform a Rescan Following a Cancel Revert
68
Commit a Migration
69
Comparing the Pre and Post Device Identities Following a Commit
71
Use the Recover Command
74
Remove the Environment
76
Add Disaster Recovery to the Target Array
77
Appendix A: Host Multipathing Software Notes and Settings
79
Aix Native Multi-Pathing Software
79
Linux Native Multi-Pathing Software (Device Mapper)
79
Powerpath (Version 5.7 and Above)
79
Powerpath with Solaris
79
Windows 2012 with Mpio
80
Veritas Dynamic Multi-Pathing
80
Esxi with Native Multi-Pathing
80
Appendix B: Aix, Gpfs, Oracle Rac, Powerha and Powerpath with Ndm
80
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