Data Domain: How to Troubleshoot Slow Cleaning

Summary: Steps to determine why Data Domain (DD) cleaning is taking longer than expected.

This article applies to This article does not apply to This article is not tied to any specific product. Not all product versions are identified in this article.

Instructions

These steps are in the most appropriate sequence to isolate the issue and identify the proper resolution. Do not skip a step.
  1. Confirm that cleaning is taking longer than expected
    Check Cleaning Status and Schedule
  2. Check for replication lag
    Slow cleaning caused by replication lag
  3. Check for a high number of small files
    Slow Cleaning Caused by too many small files
  4. Check for poor locality
    Too frequent cleaning causing poor locality
  5. Confirm that the cleaning throttle is appropriately configured
    Checking the Cleaning Throttle
Note: If the problem persists after going through these steps, collect a support bundle and create a service request.

REFERENCE

Affected Products

Data Domain
Article Properties
Article Number: 000004013
Article Type: How To
Last Modified: 04 شعبان 1447
Version:  9
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