To recover an inconsistent aggregate, the following tools can be used:
What it does:This tool is used to perform a consistency check on WAFL metadata. It identifies and attempts to fix WAFL inconsistencies in aggregates.
When to use:Run wafl_check after identifying WAFL inconsistencies to repair minor metadata issues.
1. wafl_check
What it does:This tool repairs WAFL inconsistencies by reconstructing metadata. It is more powerful than wafl_check and should only be run under NetApp Support guidance, as improper use can result in data loss.
When to use:Use wafliron for severe WAFL inconsistencies that cannot be resolved by wafl_check.
2. wafliron
A. file check:
This is not a valid NetApp tool.
C. wafl snapiron:
While similar in name, snapiron is used for snapshot recovery, not aggregate recovery.
Why Other Options Are Incorrect:
"ONTAP Aggregate Troubleshooting Guide" details the usage of wafl_check and wafliron.
NetApp Support documentation provides guidelines for recovering inconsistent aggregates.
References:
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