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Advanced O&M Command Reference

OceanStor 18000 and 18000F V5 Series V500R007

This document is applicable to OceanStor 18500 V5, 18800 V5, 18500F V5, and 18800F V5. Based on the CLI, this document describes how to use various commands classified by functionsand how to set the CLI and manage the storage system through these commands.

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ssdc show ssd

ssdc show ssd

Function

The ssdc show ssd command is used to query the information about SSDs in the current controller pool of SmartCache.

Format

ssdc show ssd -a

ssdc show ssd -i <diskId>

Parameters

Parameter

Description

Value

-a All objects.

-

-i Specified disk.

-

diskId Logical ID of a disk.

Logical ID of a disk.

Views

Diagnostic view

Usage Guidelines

OceanStor 18500 V5, 18500 V5 Kunpeng, 18800 V5 and 18800 V5 Kunpeng storage systems support this command.

Example

  • Query information about all SSDs in the SmartCache pool of the controller.

    admin:/diagnose>ssdc show ssd -a
    | diskId| status| totalCap| totalExtNum| freeExtNum| curExtId| hisAllocExtNum| hisFreeExtNum| notBackIoNum|
    | 537| 1| 202560941440| 23775| 23510| 266| 266| 1| 0|
    | 532| 1| 202560941440| 23775| 23511| 264| 264| 0| 0|
  • Query information about the SSD of logic ID 537 in the SmartCache pool of the controller.

     admin:/diagnose>ssdc show ssd -i 537
    | diskId| status| totalCap| totalExtNum| freeExtNum| curExtId| hisAllocExtNum| hisFreeExtNum| notBackIoNum|
    | 537| 1| 202560941440| 23775| 23509| 267| 267| 1| 0|

System Response

The following table describes the parameter meanings.

Parameter

Meaning

diskId

Logical ID of a disk.

status

Disk status.

totalCap

Total capacity of a disk.

totalExtNum

Number of all extents on a disk.

freeExtNum

Number of extents that are not allocated to partitions.

curExtId

ID of an allocated extent.

hisAllocExtNum

Number of extents that have been allocated.

hisFreeExtNum

Number of extents that have been released by partitions.

notBackIoNum

Number of I/Os that are not returned.

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Updated: 2020-01-17

Document ID: EDOC1000181602

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