![]() Unload cycles refer to the number of times the read/write heads are parked and unparked, which can affect the mechanical wear of the drive. A higher MTBF generally implies greater reliability. One important metric is MTBF (mean time between failures), which indicates the average expected time between drive failures. However, understanding key specifications can provide valuable insights into the performance and longevity of a hard disk drive (HDD). ![]() Reading HDD spec sheets can be daunting if you’re not familiar with the terminology and metrics used. With WDDA, Western Digital aims to empower users with proactive drive management capabilities and ensure the optimal performance and reliability of their WD drives. It provides a holistic view of the drive’s health, allowing users to make informed decisions regarding maintenance, replacement, or further diagnostics. By analyzing these factors, WDDA helps to assess the drive’s usage patterns, potential wear and tear, and expected lifespan. It encompasses various metrics and parameters derived from HDD specifications, including load/unload cycles, MTBF (mean time between failures), TBW (terabytes written per year), and power-on hours per year. WDDA aims to provide valuable insights into the health, performance, and overall condition of WD drives. WDDA, which stands for Western Digital Device Analytics, is a feature and framework developed by Western Digital, a prominent manufacturer of hard disk drives (HDDs) and solid-state drives (SSDs). Please consider to replace the drive soon. The drive has accumulated a large number of power on hours through the entire life of the drive. The discrepancy between SMART test results and the persistent warning has sparked confusion and prompted users to seek answers and solutions to this perplexing dilemma. It has become apparent that WDDA plays a significant role in triggering the warnings, even when SMART checks report no issues. The source of this seemingly contradictory warning lies in WDDA (Western Digital Device Analytics). ![]() This puzzling situation has left many scratching their heads since SMART checks, a commonly used diagnostic tool for assessing drive health, indicate that these drives are functioning perfectly fine. People have begun questioning why DSM 7, the operating system used in Synology NAS devices, displays warnings on drives that are merely three years old. In recent times, an interesting phenomenon has caught the attention of users in various online forums. What’s happening? When did this all start? “ – An Official Synology Source, 9th June 2023 So while DSM can ignore warnings thrown by WDDA, this defeats the purpose of the health monitoring tool that the administrator knowingly enabled. WDDA, and its triggers and warnings, are not developed or controllable by Synology. Synology has already deprecated WDDA, and it is not included on any -22 series or newer system (e.g.WDDA was only introduced into DSM 7.0 (July 2021).This option is also available for this particular warning.Īdditionally, regarding the support of WD Red Drives with WDDA on-board services, in DSM: Storage Manager has always allowed administrators to “suppress” non-severe drive warnings.This will remove any warnings (assuming the drive is healthy otherwise). You can enable/disable WDDA from Storage Manager at any time from the UI.“We disagree with the statement that is it not possible to disable usage of WDDA services on supported WD Red hard drives. Synology has been in touch regarding this video and was keen to make the following statement regarding WDDA Drive support and use on their DSM software platform. Additionally, we will address whether it is advisable to disable the WDDA feature and provide instructions on how to do so if desired. We will also discuss the comparison with Seagate Health Management and how QNAP approaches similar warnings differently. In this article, we will explore the meaning of WDDA, its warning levels in DSM 7, how to interpret and respond to each situation, which drives are affected, and the role of WD and Synology in handling this issue. This has led to confusion and uncertainty among users, prompting the question of whether it is necessary to replace the drives or if the warning can be ignored. However, some users have performed SMART tests on their drives, and the results came back normal. This warning message advises users to replace their drives as they have reached their expected lifetime. In recent months, Synology NAS users have been receiving a warning known as WDDA (Western Digital Device Analytics) on their WD drives after approximately three years of use. 9.2 Related WDDA Western Digital Warning- are your NAS drives doomed? Should you replace your drives? Response to STOP buying WD NAS drives !!!
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