東風(fēng)汽車有限公司案例(完整版)
【正文】 DXi Backup Target Remote Media Server DXi Optimized Duplication Master issues mand to start remote site backup Remote Media server writes backup images to DXi – Media Server sends data via Optimized TCP – Data is immediately deduplicated. New unique data is pressed and written to the dedupe pool. When backup pletes, Remote Media server notifies Master server Master server issues mand to remote DXi to “duplicate” backup images to Central DXi system – Optimized Duplication – only new or changed data is sent As each step pletes, the Master server updates the catalog to track each copy of the backup image Control, mand, and data flow between Media Server and DXi are via Ether Start Backup Backup Complete OST Replication – “Optimized Duplication ” Unique blocks and namespace sent from source to target on OST mand Important Facts: – 1:many, many:many, and multihop architectures supported, in addition to 1:1 and many:1 – No limit on sourcetotarget relationships – Data is immediately
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