Linux Quota Inconsistency Problems

In our system, we use linux quota to limit users file usage. However, quota database has inconsistencies with file usage of users. Sometimes user has no data, however quota database shows 4KB of usage.

On this problem, quotacheck is recommended. However, quotacheck fully checks the disk. If there are too many files and users, also user files frequently changing; online mode of quotacheck can’t fix inconsistencies.

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