Frequently Asked Questions
Frequently Asked Questions
IDOL - Backup and Restore of The Whole Cluster
Posted by Kimmo Pyhältö (M-Files) on 17 September 2019 04:29 PM

IDOL - Backup and Restore of The Whole Cluster

 
This document describes the procedure of taking full backup of the IDOL cluster. The full backup includes all program files, configuration and the index.
You can restore the files to the same machine by copying the files back.
If you want to restore the files to a different machine, you must remove the license and uid folders from each subdirectory, to relicense the component.

NOTE: 
Data files are platform and endian dependent, so you can restore only to a similarly configured machine.

 

Taking backups

Process

1. Stop the M-Files Indexing Services (MFIndexingManager). Note that this stops all indexing so new material will not be added during the stop. It will be added afterwards after the indexing service starts.
2. Copy index log files IndexFLog.log (FileData) and IndexMLog.log (MetaData) to the safe place. They are located in M-Files Servers index folder, usually at C:\Program Files\M-Files\Server Vaults\[vault name]\Indexes\Combined\M-Files.
3. Wait until all IDOL indexing queues are empty.
- IDOL indexing queue location in each engine (example):

IDOL 10.9: I:\Single24\IDOLServer\IDOL\content\status
IDOL 12.1: E:\IDOL12\data\PROD1-content-12000\index\status


(- M-Files indexing queue location (example): C:\Program Files\M-Files\Server Vaults\Sample Vault\FileData\FileData\Temp\FIX\C_B91D75EF-A924-4583-A7BA-2A8F3C5614C3)

4. Shut down the whole cluster.
Refer to IDOL - Controlled Shutdown of IDOL Cluster.pdf
5. Copy the installation folder and all subfolders from each IDOL engine into safe place. The folder is usually located in  I:\[IDOL engine name] .
6. Start the cluster.
7. After the cluster is up and running, start M-Files Indexing Services (MFIndexingManager).

 

Restoring the cluster from the backups

Process


1. Stop the M-Files Indexing Services (MFIndexingManager). Note that this stops all indexing so new material will not be added during the stop.
2. Wait until ALL indexing queues are empty. Location examples above.
- IDOL indexing queue location in each engine.
- M-Files indexing queue.

3. Shut down the whole cluster.
Refer to IDOL - Controlled Shutdown of IDOL Cluster.pdf
4. Delete the installation folder and all subfolders from each IDOL engine. The folder is usually located in  I:\[IDOL engine name] .
5. Copy the backups back to the installation folders.
6. Start the cluster.
7. Restore IndexMlog and IndexFlog (overwrite). They are located in M-Files Servers index folder, usually at C:\Program Files\M-Files\Server Vaults\[vault name]\Indexes\Combined\M-Files.
8. Start M-Files Indexing Services (MFIndexingManager).

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