HP StorageWorks SAN Virtualization Services Platform Administrator Guide (5697-0934, May 2011)

Zoning with stretched domains............................................................................................88
Site failures............................................................................................................................88
General description of site failures.......................................................................................88
Synchronous mirror behavior as a result of a site failure or a site disconnection..........................88
Synchronous mirror failure analysis.......................................................................................89
Recovering synchronous mirror volumes from site disconnection................................................89
Recovering synchronous mirror groups on the surviving site......................................................89
Recovering the surviving site by using Force Resume...............................................................90
Re-establishing the connection with the recovered site after Force Resume..................................91
Recovering the surviving site by using Force Delete.................................................................92
Re-establishing the connection with the recovered site after Force Delete....................................93
Using ForceActive to recover from failed stretched SVSP domains.............................................93
11 Configuration best practices......................................................................96
SAN topology........................................................................................................................96
Redundant fabrics..............................................................................................................96
SAN switches....................................................................................................................96
Fibre Channel links............................................................................................................96
Mixing SAN-level virtualization with non-virtualized environments.............................................97
Setup volume configuration......................................................................................................97
Building basic storage pools....................................................................................................97
Building storage pools using stripe sets.................................................................................99
Storage pool size considerations..........................................................................................99
Using thinly provisioned virtual disks.........................................................................................99
12 Backup and restore...............................................................................101
Backing up and restoring the VSM configuration.......................................................................101
Backing up and restoring the DPM configuration.......................................................................102
13 Basic maintenance and troubleshooting...................................................104
Diagnostic tools....................................................................................................................104
Fault isolation.......................................................................................................................104
Startup problems.............................................................................................................104
Configuration problems....................................................................................................105
Presentation problems.......................................................................................................107
Administrative problems....................................................................................................107
Zoning verification...........................................................................................................107
VSM server zoning......................................................................................................108
DPM zoning...............................................................................................................108
VSM server LUN masking.............................................................................................108
DPM LUN masking......................................................................................................108
14 Support and other resources...................................................................110
Contacting HP......................................................................................................................110
Before you contact HP......................................................................................................110
HP contact information.....................................................................................................110
Submitting an SaSnap or faxing a health check to HP Support...................................................110
Creating and submitting an SaSnap...................................................................................110
Print and fax health check commands.................................................................................113
Subscription service..............................................................................................................114
Related documentation..........................................................................................................114
Document conventions and symbols........................................................................................114
6 Contents