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Remove a node from an MWG cluster via CLI

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Here is the situation, we have a cluster setup whereas one node (node 1) is the central management console and the rest of the fleet (nodes 2-8) are added to node 1as part of a cluster.  Unfortunately we had to rebuild node 1 with a new appliance (node 1_new) due to some technical issues and now when trying to re-add the other 7 nodes to node 1_new we're getting an error message stating that "only stand alone nodes" can be added. 

My question is this, outside of rebuilding is there a way that i can remove the pre-existing relationship to node 1 for the 7 other nodes so that i can them to node 1_new?

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aloksard McAfee Employee
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Re: Remove a node from an MWG cluster via CLI

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Hi,

Hope you are doing well.

 

Generally  you can make a node standalone as per below steps:-

 

### MAKE STANDALONE FROM CLI ###

# Take Backup


/opt/mwg/bin/mwg-coordinator -B "file:in=ACTIVE,out=/opt/mwg/storage/backup_cache/default/temp_backup.backup"

# Restore backup with "options:cluster=standalone"


/opt/mwg/bin/mwg-coordinator -R "file:in=/opt/mwg/storage/backup_cache/default/temp_backup.backup;options:cluster=standalone"

 

 

Regards

Alok Sarda

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aloksard McAfee Employee
McAfee Employee
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Message 2 of 3

Re: Remove a node from an MWG cluster via CLI

Jump to solution

Hi,

Hope you are doing well.

 

Generally  you can make a node standalone as per below steps:-

 

### MAKE STANDALONE FROM CLI ###

# Take Backup


/opt/mwg/bin/mwg-coordinator -B "file:in=ACTIVE,out=/opt/mwg/storage/backup_cache/default/temp_backup.backup"

# Restore backup with "options:cluster=standalone"


/opt/mwg/bin/mwg-coordinator -R "file:in=/opt/mwg/storage/backup_cache/default/temp_backup.backup;options:cluster=standalone"

 

 

Regards

Alok Sarda

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Re: Remove a node from an MWG cluster via CLI

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This worked thx!!

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