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Update creating-managing-continuous-replication-relationship.md
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mig281 authored Nov 9, 2023
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Expand Up @@ -20,18 +20,6 @@ Continuous replication takes a snapshot of the data in a directory on the _sourc
Continuous replication uses snapshots to generate a consistent point-in-time copy of the source directory on the target cluster. To ensure that a directory contains only the most recent snapshot, Qumulo Core deletes previous snapshots automatically. Administrators can view the snapshots used for replication and any other policy-based snapshots.


## Known Continuous Replication Limitations in Qumulo Core
<ul>
<li><strong>Continuous Replication:</strong> Depending on applications in use while a replication job runs, continuous replication increases the load on the cluster and can cause latency delays.</li>
<li><strong>Local Users and Groups:</strong> Continuous replication doesn't support replicating local user or group information and fails when it encounters a file associated with local users or groups.</li>
<li><strong>Target Directory Permissions</strong> When you create a replication relationship, Qumulo Core updates these permissions from read-write to read-only. When you delete the relationship, the permissions revert to read-write automatically.</li>
{% if page.platform == 'on-prem' %}
<li><strong>Root Directory:</strong> Including this directory makes the entire target cluster read-only and might prohibit administrative functions such as upgrades. For more information, see <a href="../upgrading-qumulo-core/replication-version-requirements-upgrade-recommendations.html">Replication Version Requirements and Upgrade Recommentations</a></li>
<li><strong>Upgrades During Replication:</strong> Before you perform any Qumulo Core upgrades, you must wait until the replication job is complete. Upgrading Qumulo Core while a replication job is in progress causes the job to fail. When both clusters return to a state where replication is possible (the versions are the same), continuous replication can continue.</li>
{% endif %}
</ul>


## Prerequisites
The following privileges are required for continuous replication.

Expand Down Expand Up @@ -176,3 +164,14 @@ The following privileges are required for continuous replication.

1. In the **Delete relationship** dialog box, review the source and target clusters and then click **Yes, Delete**.


## Known Continuous Replication Limitations in Qumulo Core
<ul>
<li><strong>Continuous Replication:</strong> Depending on applications in use while a replication job runs, continuous replication increases the load on the cluster and can cause latency delays.</li>
<li><strong>Local Users and Groups:</strong> Continuous replication doesn't support replicating local user or group information and fails when it encounters a file associated with local users or groups.</li>
<li><strong>Target Directory Permissions</strong> When you create a replication relationship, Qumulo Core updates these permissions from read-write to read-only. When you delete the relationship, the permissions revert to read-write automatically.</li>
{% if page.platform == 'on-prem' %}
<li><strong>Root Directory:</strong> Including this directory makes the entire target cluster read-only and might prohibit administrative functions such as upgrades. For more information, see <a href="../upgrading-qumulo-core/replication-version-requirements-upgrade-recommendations.html">Replication Version Requirements and Upgrade Recommentations</a></li>
<li><strong>Upgrades During Replication:</strong> Before you perform any Qumulo Core upgrades, you must wait until the replication job is complete. Upgrading Qumulo Core while a replication job is in progress causes the job to fail. When both clusters return to a state where replication is possible (the versions are the same), continuous replication can continue.</li>
{% endif %}
</ul>

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