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dtr backup warning added (#3001)
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@ -13,6 +13,12 @@ There is no downtime when upgrading an highly-available DTR cluster. If your
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DTR deployment has a single replica, schedule the upgrade to take place outside
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business peak hours to ensure the impact on your business is close to none.
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> **Warning**
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>
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> Before performing any upgrade it’s important to backup. See
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> [docker/dtr backup](/datacenter/dtr/2.1/guides/high-availability/backups-and-disaster-recovery.md).
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{: .warning}
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## Step 1. Upgrade DTR to 2.0
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Make sure you're running DTR 2.0. If that's not the case, [upgrade your
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@ -19,7 +19,7 @@ support upgrades according to the following rules:
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version for your major version first.
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| Description | From | To | Supported |
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|:-------------------------------------|:------|:----------|-----------|
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|:-------------------------------------|:------|:----------|:----------|
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| patch upgrade | x.y.0 | x.y.1 | yes |
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| skip patch version | x.y.0 | x.y.2 | yes |
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| patch downgrade | x.y.2 | x.y.1 | no |
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@ -41,6 +41,12 @@ Before starting your upgrade planning, make sure that the version of UCP you are
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using is supported by the version of DTR you are trying to upgrade to. <!--(TODO:
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link to the compatibility matrix)-->
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> **Warning**
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>
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> Before performing any upgrade it’s important to backup. See
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> [DTR backups and recovery](/datacenter/dtr/2.2/guides/admin/backups-and-disaster-recovery.md).
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{: .warning}
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### Step 1. Upgrade DTR to 2.1 if necessary
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Make sure you're running DTR 2.1. If that's not the case, [upgrade your installation to the 2.1 version](/datacenter/dtr/2.1/guides/install/upgrade/.md).
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