Removing system information for node canisters with error
code 550 or error code 578 using the service assistant
The system recovery procedure works only when all node canisters are in
candidate status. Ensure that the service assistant displays all of the node canisters
with the 550 error code. The 550 error code is the expected node error when more
than half of the nodes in the system are missing or when the active quorum disk
cannot be found. If the service assistant displays any node canisters with error
codes 550 or 578 and all the recommended actions have been completed on these
nodes, you must remove their system data.
About this task
Before performing this task, ensure that you have read the introductory
information in the overall recover system procedure.
To remove system information from a node canister with an error 550 or 578,
follow this procedure using the service assistant:
Procedure
1. Point your browser to the service IP address of one of the nodes, for example,
https://node_service_ip_address/service/.
2. Log on to the service assistant.
3. Select Manage System.
4. Click Remove System Data.
5. Confirm that you want to remove the system data when prompted.
6. Remove the system data for the other nodes that display a 550 or a 578 error.
All nodes previously in this system must have a node status of Candidate and
have no errors listed against them.
7. Resolve any hardware errors until the error condition for all nodes in the
system is None.
8. Ensure that all nodes in the system display a status of candidate.
Results
When all nodes display a status of candidate and all error conditions are None,
you can run the recovery procedure.
Running system recovery using the service assistant
Start recovery when all node canisters that were members of the system are online
and have candidate status. Use the service assistant to verify the status. For any
nodes that display error code 550 or 578, ensure that all nodes in the system are
visible and all the recommended actions have been completed before placing them
into candidate status. To place a node into candidate status, remove system
information for that node canister. Do not run the recovery procedure on different
node canisters in the same system.
Before you begin
Note: Ensure that the web browser is not blocking pop-up windows. If it does,
progress windows cannot open.
384 Storwize V7000 Unified: Problem Determination Guide 2073-720
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