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Recover appliance Storage Node
Contributors
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Install and maintain appliance hardware
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SG100 and SG1000 services appliances
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Install and upgrade software
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Perform system administration
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Monitor and maintain StorageGRID
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Recover and maintain
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Grid node recovery procedures
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The procedure for recovering a failed StorageGRID appliance Storage Node is the same whether you are recovering from the loss of the system drive or from the loss of storage volumes only.
About this task
You must prepare the appliance and reinstall software, configure the node to rejoin the grid, reformat storage, and restore object data.
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If more than one Storage Node has failed (or is offline), contact technical support. Do not perform the following recovery procedure. Data loss could occur. |
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If this is the second Storage Node failure in less than 15 days after a Storage Node failure or recovery, contact technical support. Rebuilding Cassandra on two or more Storage Nodes within 15 days can result in data loss. |
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If more than one Storage Node at a site has failed, a site recovery procedure might be required. Contact technical support. |
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If ILM rules are configured to store only one replicated copy and the copy exists on a storage volume that has failed, you will not be able to recover the object. |
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If you encounter a Services: Status - Cassandra (SVST) alarm during recovery, see the monitoring and troubleshooting instructions to recover from the alarm by rebuilding Cassandra. After Cassandra is rebuilt, alarms should clear. If alarms do not clear, contact technical support. |
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For hardware maintenance procedures, such as instructions for replacing a controller or reinstalling SANtricity OS, see the installation and maintenance instructions for your storage appliance. |
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