Updated on 2025-08-25 GMT+08:00

EVS Disk Type Check

Rule Details

Table 1 Rule details

Parameter

Description

Rule Name

allowed-volume-specs

Identifier

allowed-volume-specs

Description

If the type of an EVS disk is not in the allowed type list, this disk is non-compliant.

Tag

evs

Trigger Type

Configuration change

Filter Type

evs.volumes

Rule Parameters

listOfAllowedSpecs: indicates the specified EVS disks. The value must be an array with up to 10 elements. Optional fields to query EVS documentations are: SATA, SSD, SAS.

Application Scenarios

Disks can be classified into the following types by I/O performance: Extreme SSD V2, Extreme SSD, General Purpose SSD V2, Ultra-high I/O, General Purpose SSD, High I/O, and Common I/O. EVS disks differ in performance and price. You can choose whichever disk type that is the best fit for your applications.

You should select the disk type based on your service scenarios and prevent resource waste or insufficiency.

Solution

Change the disk type by referring to Changing the EVS Disk Type (OBT)

Rule Logic

  • If the type of an EVS disk is not in the allowed type list, this EVS disk is non-compliant.
  • If the type of an EVS disk is in the allowed type list, the EVS disk is compliant.