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创建本地层(聚合)估计可用大小比实际创建的大小大约少5%

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适用场景

问题描述

  • 创建本地层(聚合)时、ONTAP 报告的 可用大小 比  聚合创建后的实际大小大约小5%:

cluster1::> storage aggregate auto-provision -nodes cluster1-01 -verbose true
Per node summary of new aggregates to create, discovered spares, and also
remaining spare disks and partitions after aggregate creation:

           New   Total New Discovered Spare Remaining Spare
Node         Aggrs  Usable Size  Disks  Partitions  Disks Partitions
------------------ ----- ------------ ------ ----------- ------ ----------
cluster1-01       1    50.00TB    42       0    2      0

cluster1::> storage aggregate show -fields size -aggregate cluster1_01_SAS_1
aggregate       size
-------------------- -------
cluster1_01_SAS_1   52.78TB

  • 如《 ONTAP® 9发行说明》中 所述、本指南提供了以下增强功能:
    • 对于全闪存FAS (AFF)和FAS500f平台、 超过30 TB的聚合的WAFL预留从10%减少到5%、 从而增加聚合中的可用空间。  从 ONTAP 9.12.1开始提供。
    • 对于FAS平台、对于 大小超过30 TB的聚合、WAFL预留从10%减少到5%、从而增加 聚合中的可用空间。   从 ONTAP 9.14.1开始提供。
       

 

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