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- IBM_Global_Mirror abstract "Global Mirror is an IBM technology that provides data replication over extended distances between two sites for business continuity and disaster recovery. If adequate bandwidth exists, Global Mirror provides an recovery point objective (RPO) of as low as 3–5 seconds between the two sites at extended distances with no performance impact on the application at the primary site. It replicates the data asynchronously and also forms a consistency group at a regular interval allowing a clean recovery of the application. The two sites can be on separate continents or simply on different utility grids. IBM also provides a synchronous data replication called Metro Mirror, which is designed to support replication at \"Metropolitan\" distances of (normally) less than 300 km.Global Mirror is based on IBM Copy Services functions: Global Copy and FlashCopy. Global mirror periodically pauses updates of the primary volumes and swaps change recording bitmaps. It then uses the previous bitmap to drain updates from the primary volumes to the secondaries. After all primary updates have been drained, the secondary volumes are used as the source for a FlashCopy to tertiary volumes at the recovery site. This ensures that the tertiary copy of the volumes has point-in-time consistency. By grouping many volumes into one Global Mirror session multiple volumes may be copied to the recovery site simultaneously while maintaining point-in-time consistency across those volumes.Global Mirror can be combined with a wide area network clustering product like Geographically Dispersed Parallel Sysplex (GDPS), HACMP/XD, or IBM TotalStorage Continuous Availability for Windows to provide for automated failover between sites. This combined solution provides lower recovery time objective (RTO), because it allows most applications to automatically resume productive operation in 30–600 seconds.The Global Mirror function is available on IBM Storage devices including the DS8000 series (DS8100, DS8300, DS8700, DS8800, DS8870), the DS6800, the Enterprise Storage Server Models 800 and 750, midrange storage servers V7000, DS4000 family, and the IBM SAN Volume Controller.".
- IBM_Global_Mirror wikiPageID "2374906".
- IBM_Global_Mirror wikiPageLength "3307".
- IBM_Global_Mirror wikiPageOutDegree "22".
- IBM_Global_Mirror wikiPageRevisionID "682360386".
- IBM_Global_Mirror wikiPageWikiLink Bandwidth_(computing).
- IBM_Global_Mirror wikiPageWikiLink Business_continuity.
- IBM_Global_Mirror wikiPageWikiLink Category:IBM_storage_devices.
- IBM_Global_Mirror wikiPageWikiLink Category:Storage_software.
- IBM_Global_Mirror wikiPageWikiLink Disaster_recovery.
- IBM_Global_Mirror wikiPageWikiLink FlashCopy.
- IBM_Global_Mirror wikiPageWikiLink Global_Copy.
- IBM_Global_Mirror wikiPageWikiLink Grid_computing.
- IBM_Global_Mirror wikiPageWikiLink XD.
- IBM_Global_Mirror wikiPageWikiLink IBM.
- IBM_Global_Mirror wikiPageWikiLink IBM_Enterprise_Storage_Server.
- IBM_Global_Mirror wikiPageWikiLink IBM_Parallel_Sysplex.
- IBM_Global_Mirror wikiPageWikiLink IBM_SAN_Volume_Controller.
- IBM_Global_Mirror wikiPageWikiLink IBM_Storage.
- IBM_Global_Mirror wikiPageWikiLink IBM_TotalStorage_Continuous_Availability_for_Windows.
- IBM_Global_Mirror wikiPageWikiLink Peer_to_Peer_Remote_Copy.
- IBM_Global_Mirror wikiPageWikiLink Recovery_point_objective.
- IBM_Global_Mirror wikiPageWikiLink Recovery_time_objective.
- IBM_Global_Mirror wikiPageWikiLink Replication_(computing).
- IBM_Global_Mirror wikiPageWikiLink Wide_area_network.
- IBM_Global_Mirror wikiPageWikiLinkText "Global Mirror".
- IBM_Global_Mirror wikiPageWikiLinkText "IBM Global Mirror".
- IBM_Global_Mirror wikiPageUsesTemplate Template:Reflist.
- IBM_Global_Mirror wikiPageUsesTemplate Template:Storage-software-stub.
- IBM_Global_Mirror subject Category:IBM_storage_devices.
- IBM_Global_Mirror subject Category:Storage_software.
- IBM_Global_Mirror hypernym Technology.
- IBM_Global_Mirror type Company.
- IBM_Global_Mirror type Computer.
- IBM_Global_Mirror comment "Global Mirror is an IBM technology that provides data replication over extended distances between two sites for business continuity and disaster recovery. If adequate bandwidth exists, Global Mirror provides an recovery point objective (RPO) of as low as 3–5 seconds between the two sites at extended distances with no performance impact on the application at the primary site.".
- IBM_Global_Mirror label "IBM Global Mirror".
- IBM_Global_Mirror sameAs Q5968836.
- IBM_Global_Mirror sameAs m.077fl8.
- IBM_Global_Mirror sameAs Q5968836.
- IBM_Global_Mirror wasDerivedFrom IBM_Global_Mirror?oldid=682360386.
- IBM_Global_Mirror isPrimaryTopicOf IBM_Global_Mirror.