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Updating MongoDB 7.0 to 8.0

Updating older versions

For details on updating earlier SEAL MongoDB versions, see the corresponding SEAL MongoDB documentation.

Overview

The following instructions include the update of both, single system and cluster.

In case of a single system perform all instructions, except of those concerning the replica set.

In case of a cluster perfom the instructions as stated in the subchapters.

The standard procedure is as follows:

  1. Check the featureCompatibilityVersion Key

  2. Update the database as described in the instructions below.

    Your current mongod.conf configuration file will be renamed mongod.conf.bak.

    The database content will remain untouched.

  3. In an editor compare the new mongod.conf configuration file to mongod.conf.bak and change the necessary settings.

Checking the featureCompatibilityVersion Key

  1. Open a PowerShell (Administrator).

  2. Connect to the primary host of the replica set (localhost in a single server system):

    & "C:\Program Files\mongosh\mongosh.exe" --tls --tlsAllowInvalidCertificates --host <primary host>

  3. Check the featureCompatibilityVersion key:

    db.adminCommand({ getParameter: 1, featureCompatibilityVersion: 1 })

    The result should be similar to this:

    {
featureCompatibilityVersion: { version: '7.0' },
ok: 1,
'$clusterTime': {
    clusterTime: Timestamp({ t: 1745505640, i: 1 }),
    signature: {
    hash: Binary.createFromBase64('AAAAAAAAAAAAAAAAAAAAAAAAAAA=', 0),
    keyId: Long('0')
    }
},
operationTime: Timestamp({ t: 1745505640, i: 1 })
}

  4. If the result shows a version lower than 7.0, set the featureCompatibilityVersion key to 7.0:

    db.adminCommand({ setFeatureCompatibilityVersion: '7.0', confirm: true })

Updating the Database

Hint - cluster

In a cluster, you have to perform every step of the following instructions on all cluster servers before going on to the next step.

  1. Stop MongoDB:

    Stop-Service -name seal-mongodb -Force

  2. Open a PowerShell (Administrator).

  3. Install MongoDB.

  4. In an editor, open the mongod.conf configuration file and change the necessary settings.

  5. Restart MongoDB:

    Restart-Service -name seal-mongodb -Force
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