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Microsoft Exchange 2019 initial server and database setup

Miles M 1 Reputation point
2022-06-08T16:57:22.113+00:00

Hi all, I'm building out 3 virtual servers which we're going to use as an Exchange 2019 DAG. We setup an iSCSI drive via NetApp and mounted to the first server via iSCSI Initiator. My question is should that drive be mounted to the other 2 servers or should I create 2 shared folders for mail and log databases then map the other 2 servers to those shares? OR should each server get their own dedicated iSCSI volume? Maybe I'm jumping ahead but unsure how the DAG works with access to the databases and can't seem to find info or best practices on this part as we want high availability for this setup. Will setting up the DAG take care of this somehow with 3 servers and one iSCSI volume?

Thanks in advance.

Exchange | Exchange Server | Management

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  1. Andy David - MVP 157.8K Reputation points MVP Volunteer Moderator
    2022-06-08T17:11:31.563+00:00

    The storage requirements are listed here:
    https://learn.microsoft.com/en-us/exchange/plan-and-deploy/deployment-ref/storage-configuration?view=exchserver-2019
    https://learn.microsoft.com/en-us/exchange/high-availability/manage-ha/manage-dags?view=exchserver-2019#dag-networks-and-iscsi-networks

    I wouldnt share volumes between DAG members. You need to have matching Drive "Letters" on each DAG member

    So if the database is using the E: on server 1, there needs a E: on server 2 and 3 etc...
    Same with the log drive.

    1 person found this answer helpful.

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