Synology SA3200D Synology High Availability SHA User Guide for DSM 7.0 - Page 52

Migrate active server data, Migrate cluster active and passive server data, this article

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Chapter 5: Maintain your High-availability Cluster Migrate active server data As long as the status of the cluster is Healthy, you can follow the steps below to migrate data and replace the active server in your high-availability cluster. If the status of the cluster is Abnormal, please troubleshoot the issue before you migrate your data and replace the server. 1. Go to Synology High Availability > Cluster, and click Manage > Switchover. This exchanges the roles of the active and passive servers. 2. Perform steps in Migrate passive server data section on the original active server (passive server after completing step 1). 3. To make the destination Synology NAS the new active server, go to Synology High Availability > Cluster, and click Manage > Switchover again. Migrate cluster (active and passive server) data This section outlines the process of migrating data from both the active and the passive servers in the cluster. You can refer to this article for detailed information on DSM migration. 1. Sign in to your high-availability cluster and go to Synology High Availability > Cluster. 2. Click the power button and select Shut down cluster. 3. Remove the drives and disconnect the Ethernet cables from both source Synology NAS devices. 4. Install the drives on the destination Synology NAS devices. Drives must be installed in the same order as they were installed on the source Synology NAS devices. 5. Connect the Ethernet cables on the destination Synology NAS devices. Ethernet cables must be connected to the same ports as they were on the source Synology NAS devices. 6. Power on the destination Synology NAS for the new active server. 7. Open a web browser on your computer and go to find.synology.com. 8. Find the destination Synology NAS for the new active server. Its status should be Migratable or Recoverable. 9. Double-click on the destination Synology NAS to start the migration process. 10. Follow the wizard to recover the active server first. Make sure to install the same DSM version as was used on the source Synology NAS. 11. Once the migration is complete, the destination Synology NAS will automatically be restarted and added to the cluster as the active server. 12. Perform steps 7-10 again for the passive server. 13. If you need to modify the new IP addresses, refer to the Network Management section of Chapter 5: Maintain your High-availability Cluster for instructions. Note: If the cluster is in an abnormal state before migration, refer to Chapter 2: SHA Troubleshooting in the Synology High Availability (SHA) Troubleshooting Guide to fix the issue before continuing. 50

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Chapter 5: Maintain your High-availability Cluster
Migrate active server data
As long as the status of the cluster is
Healthy
, you can follow the steps below to migrate data
and replace the active server in your high-availability cluster. If the status of the cluster is
Abnormal
, please troubleshoot the issue before you migrate your data and replace the server.
1. Go to
Synology High Availability
>
Cluster
, and click
Manage
>
Switchover
. This
exchanges the roles of the active and passive servers.
2. Perform steps in
Migrate passive server data
section on the original active server (passive
server after completing step 1).
3. To make the destination Synology NAS the new active server, go to
Synology High
Availability
>
Cluster
, and click
Manage
>
Switchover
again.
Migrate cluster (active and passive server) data
This section outlines the process of migrating data from both the active and the passive
servers in the cluster. You can refer to
this article
for detailed information on DSM migration.
1. Sign in to your high-availability cluster and go to
Synology High Availability
>
Cluster
.
2. Click the power
button and select
Shut down cluster
.
3. Remove the drives and disconnect the Ethernet cables from both source Synology NAS
devices.
4. Install the drives on the destination Synology NAS devices. Drives must be installed in the
same order as they were installed on the source Synology NAS devices.
5. Connect the Ethernet cables on the destination Synology NAS devices. Ethernet cables must
be connected to the same ports as they were on the source Synology NAS devices.
6. Power on the destination Synology NAS for the new active server.
7. Open a web browser on your computer and go to
find.synology.com
.
8. Find the destination Synology NAS for the new active server. Its status should be
Migratable
or
Recoverable
.
9. Double-click on the destination Synology NAS to start the migration process.
10. Follow the wizard to recover the active server first. Make sure to install the same DSM
version as was used on the source Synology NAS.
11. Once the migration is complete, the destination Synology NAS will automatically be
restarted and added to the cluster as the active server.
12. Perform
steps 7-10
again for the passive server.
13. If you need to modify the new IP addresses, refer to the
Network Management
section of
Chapter 5: Maintain your High-availability Cluster
for instructions.
Note:
If the cluster is in an abnormal state before migration, refer to
Chapter 2: SHA
Troubleshooting
in the
Synology High Availability (SHA) Troubleshooting Guide
to fix the
issue before continuing.