Assessments - , GPA:
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Fabricante : HP
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The asynchronous mirror decision table ........................................................................................ 71
Establishing a disaster recovery site ............................................................................................. 73
Testing or validating your ability to recover from a DR site without detaching or splitting the async
mirror group ............................................................................................................................ 74
Testing a DR site or switching between sites .................................................................................. 74
Failing over to the DR site and back to the main site after a problem ............................................... 75
Failing over to a disaster recovery site when the main site is totally lost ............................................ 76
8 Site failure recovery with synchronous mirroring ................................... 79
Synchronous mirroring across SVSP sites ...................................................................................... 79
Site failures ....................................................................................................................... 80
Recovering from a Site A failure ........................................................................................... 80
Recovering from a Site B failure ............................................................................................ 80
Synchronous mirroring in a single stretched SVSP domain .............................................................. 81
Solution topology ............................................................................................................... 81
Configuration requirements .................................................................................................. 81
Zoning with stretched domains ............................................................................................. 81
Site failures .............................................................................................................................. 82
General description of site failures ........................................................................................ 82
Synchronous mirror behavior as a result of a site failure or a site disconnection .......................... 82
Synchronous mirror failure analysis ....................................................................................... 83
Recovering synchronous mirror volumes from site disconnection ................................................ 83
Recovering synchronous mirror groups on the surviving site ...................................................... 83
Recovering the surviving site by using Force Resume ................................................................ 83
Re-establishing the connection with the recovered site after Force Resume .................................. 85
Recovering the surviving site by using Force Delete ................................................................. 86
Re-establishing the connection with the recovered site after Force Delete .................................... 87
9 Basic troubleshooting ....................................................................... 89
Diagnostic tools ........................................................................................................................ 89
Fault isolation ........................................................................................................................... 89
Startup problems ................................................................................................................ 89
Configuration problems ....................................................................................................... 90
Presentation problems ......................................................................................................... 91
Administrative problems ...................................................................................................... 92
Zoning verification .............................................................................................................. 92
VSM server zoning ...................................................................................................... 93
DPM zoning ................................................................................................................ 93
VSM server LUN masking ............................................................................................. 93
DPM LUN masking ....................................................................................................... 93
A Using VSM with firewalls .................................................................. 95
B Deploying VMware ESX Server with SVSP ........................................... 97
Deployment overview ................................................................................................................ 97
Deployment steps ............................................................................................................... 98
Supported VMware ESX versions .......................................................................................... 98
Supported VSM software versions ........................................................................................ 98
Configuration ........................................................................................................................... 98
Fibre Channel zoning ......................................................................................................... 98
Storage system ................................................................................................................... 98
VSM GUI .......................................................................................................................... 99
VMware ESX server .......................................................................................................... 100
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