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In HNAS's File Replication configuration, if the Target File System is replicated and replaced through HUR, is incremental replication possible when File Replication is performed again?

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  • 1.  In HNAS's File Replication configuration, if the Target File System is replicated and replaced through HUR, is incremental replication possible when File Replication is performed again?

    Posted 5 days ago

    In an environment where File Replication is configured, I want to change the storage volume to which the Target FileSystem belongs from RAID5 to RAID6.
    After completing replication from RAID5 to RAID6 through HUR, re-recognizing the target file system and re-performing File Replication, can incremental replication rather than full replication be performed? Since the original File System capacity is 400TB or more, incremental replication must be performed. Full capacity replication is not permitted.



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    ChangHyun KIM
    Hyosung Information Systems
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  • 2.  RE: In HNAS's File Replication configuration, if the Target File System is replicated and replaced through HUR, is incremental replication possible when File Replication is performed again?

    Posted 4 days ago

    Please forgive me ChangHyun, but the NAS engineering team has little current knowledge/usage of HUR. At one point in the distant past, HUR was used (on occasion), but by and large at this juncture HUR (to HNAS) is a tool of the distant past.

    On occasions there have been use cases that would involve a scenario such as "replicating locally" (same rack/same DC) then moving the target (extremely quickly) to the newly desired location (avoiding any storage SW based replication), thus allowing the incrementals to continue.

    It is also conceivable (again non-HUR) to have replication scenario such as A->B and A->C which sounds like a scenario that could fit the scenario.


    @Namsoo Kim
    @Nathan King



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    Albert Hagopian
    Software Development Engineer - Specialist
    Hitachi Vantara
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  • 3.  RE: In HNAS's File Replication configuration, if the Target File System is replicated and replaced through HUR, is incremental replication possible when File Replication is performed again?

    Posted 3 days ago

    Albert, thanks for the reply.

    Because a quick conclusion was needed at the request of the customer, we conducted tests internally using a similar configuration. 

    In conclusion, it was confirmed that incremental replication is performed for both File Replicaton and Object Replication.



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    ChangHyun KIM
    Hyosung Information Systems
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