解决了

混合群集中的HDD:无用

  • 2017年6月21日
  • 2个答复
  • 1030次观看

徽章 +3
大家好,

我在Nutanix的支持下为此提供了一个案例,但是,当我在等待时...

我想知道是否有人可以解释为什么在包含12hdds和6SSD(3节点块)的块中,仅显示SSDS的磁盘统计信息,而列表中HDD的值没有值(所有指标均为0)。

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最好的答案Patrbng2017年6月21日,22:42

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\nThe other case is when the overall tier utilization breaches a specific threshold [curator_tier_usage_ilm_threshold_percent (Default=75)] where DSF ILM will kick in and as part of a Curator job will down-migrate data from the SSD tier to the HDD tier. This will bring utilization within the threshold mentioned above or free up space by the following amount [curator_tier_free_up_percent_by_ilm (Default=15)], whichever is greater. The data for down-migration is chosen using last access time. In the case where the SSD tier utilization is 95%, 20% of the data in the SSD tier will be moved to the HDD tier (95% \u2013> 75%).","className":"post__content__best_answer"}">
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2个答复

UserLevel 4
徽章 +19
从Nutanix圣经中。。。您的SSD不够饱满,以至于ILM无法启动并将容量移至HDD。

另一种情况是,当总体利用率违反特定阈值[curator_tier_usage_ilm_threshold_percent(默认= 75)]中,DSF ILM将启动,并且作为策展人的一部分,策展人工作将下降从SSD Tier到HDD Tier。这将带来上述阈值的利用率,或者以以下数量释放空间[curator_tier_free_up_percent_by_ilm(default = 15)],以更大为准。使用最后一次访问时间选择下降迁移的数据。在SSD层利用率为95%的情况下,SSD层中20%的数据将移至HDD层(95% - > 75%)。
徽章 +3
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