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为什么存储池可用大小显示0

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ontap-9
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适用场景

  • ONTAP 9
  • FAS系统
  • 存储池

问题解答

从ASUP部分storage-pool.XML中、 用户将看到给定存储池显示0个"可用"空间:
 
Storage Pool Name                  FlashPool
UUID of Storage Pool                8bxxxx5d-40xx-11xx-b581-d0xxxxxx4c3b2
State of the Storage Pool          normal
Nodes Sharing the Storage Pool     NETAPP-01
                                    NETAPP-02
Number of Disks in Storage Pool     3
Allocation Unit Size               719909289984
Storage Type                       SSD
Storage Pool Usable Size           0
Storage Pool Total Size            2879637159936
Allocation Unit Depth              1
Number of Partitions               4
Is Pool Healthy?                   true
 
此示例中的存储池正在使用(3)个物理SSD。  总共有(4)个分配单元(AUP)、对应于设置SSD的P1、P2、P3和P4分区。
 
在storage-pool.XML部分中、所有(4) AU都会分配给已配置的聚合:
 
Name of Storage Pool                        FlashPool
Nodes Sharing the Storage Pool             NETAPP-02
                                            NETAPP-01
Aggregate                                 FILES_aggr2
Number of AU's Assigned to This Aggregate   4
Capacity                                    2879637159936
Node                                        NETAPP-02
Original Owner Name                         NETAPP-02
 

"‘S池可用大小"是指根据分配给目标聚合的Au数量、存储池中可以使用的剩余空间。

由于集群已将所有(4)个可用的存储池空间分配给目标聚合、因此没有可分配给此聚合或任何其他聚合的可用存储池空间。

追加信息

  • 由于此操作仅引用聚合的存储池缓存部分、因此不会影响聚合本身上用户数据文件的空间使用量。
  • 缓存不会处于任何‘空间不足‘状态、因为它会根据主聚合上相应卷的读取工作负载进行动态管理。
  • 概述如何使用SSD存储池创建Flash Pool本地层(聚合)
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