Adding SSD cache to existing Disk Group

Hendragon Lv1Posted 28 Dec 2019 09:59

Hi All,
I have a Cluster Sangfor HCI contain 2 HCI node with 1 disk group each node (1 SSD for cache + 4 NL disk for data).
HCI firmware is 5.8.8 R1.
Can i add another SSD for cache to existing disk group to improve I/O performance ?
Thanks.

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Just worry that the existing disk group dont have enough iops due to percentage of SSD size is only 5% from the total HDD size.
SSD size is 800GB
HDD size is 4 x 4TB
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Hendragon Lv1Posted 11 May 2022 09:10
  
Just worry that the existing disk group dont have enough iops due to percentage of SSD size is only 5% from the total HDD size.
SSD size is 800GB
HDD size is 4 x 4TB
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