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reduce system downtime required for maintenance

Hi,

This is our Production ERP HANA landscape : Primary > Secondary(HA) > DR.
HANA replication is setup between Primary and Secondary.
HANA replication is setup between Secondary and DR.
The Primary and Secondary are a cluster.

This is a HANA Appliance model using scale up.

Any maintenance activity like OS upgrade or HANA revision upgrade requires a lot of downtime.
Especially for DR to Primary failback (and then replication setup).

We want to bring this downtime to near zero. Is this possible in the Appliance model and how can we achieve this.The database is 2.2 TB in size.

Thanks,

Rohan

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1 Answer

  • Dec 06, 2017 at 07:26 PM

    Hi Rohan,

    Kindly refer below SAP note as a starter point, there are various ways to achieve it.

    1984882 - Using HANA System Replication for Hardware Exchange with minimum/zero Downtime

    Best,

    Amit Lal

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