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Contents
1 Overview of Auto LUN................................................................................5
Overview of Auto LUN..............................................................................................................5
Limitations of Auto LUN.............................................................................................................5
Source and target volumes.........................................................................................................5
Volume migration.....................................................................................................................5
When to use volume migration...................................................................................................7
2 Requirements.............................................................................................8
System requirements..................................................................................................................8
Source and target volume general requirements............................................................................8
Volumes assigned to resource groups......................................................................................8
Supported and prohibited source and target volumes....................................................................9
Auto LUN with Thin Provisioning or Thin Provisioning Z virtual volumes..........................................12
Auto LUN with Continuous Access Synchronous Z and Continuous Access Journal Z........................13
Auto LUN with Continuous Access Synchronous and Continuous Access Journal..............................14
Auto LUN and Continuous Access Journal Z...............................................................................14
Auto LUN with Business Copy Z or Business Copy.......................................................................15
Auto LUN and Continuous Access Journal..................................................................................16
Volumes having access attribute of Data Retention......................................................................17
Volumes having access attribute of Volume Retention...................................................................17
Compatible XRC pair volumes..................................................................................................18
Concurrent Copy (CC) pair volumes..........................................................................................18
3 Auto LUN planning...................................................................................19
Migration plans......................................................................................................................19
Estimating differential tables.....................................................................................................19
Calculating the required amount of differential tables for a mainframe volume................................19
Control cylinders by mainframe emulation type......................................................................19
3390-3 emulation type example..........................................................................................20
Calculating the required amount of differential tables for an open-system volume............................20
Control cylinders by open emulation type..............................................................................20
Differential tables calculation for an OPEN-V volume..............................................................21
Differential tables calculation for other open emulation types...................................................21
Running concurrent migration plans...........................................................................................21
Estimating the number of concurrent migration plans...............................................................22
4 Auto LUN operations................................................................................23
Migrating a volume................................................................................................................23
Viewing a migration plan........................................................................................................24
Deleting a migration plan........................................................................................................24
Viewing the migration history logs............................................................................................24
Delete all history logs..............................................................................................................24
5 Auto LUN monitoring................................................................................26
Migration History messages.....................................................................................................26
Copy Threshold option............................................................................................................26
Effects of Auto LUN on other program products...........................................................................27
Best practices.........................................................................................................................27
6 Troubleshooting........................................................................................28
Troubleshooting Auto LUN.......................................................................................................28
7 Support and other resources......................................................................29
Contacting HP........................................................................................................................29
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