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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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cache show cmd

cache show cmd


The cache show cmd command is used to view the execution of commands in a cache.


cache show cmd cur

cache show cmd trace type [ result ]

cache show cmd obj volumeId layer





cur Command being executed in a cache.


trace Command executed in a cache.


type Command type.

The value can be all,recovervol, recoverstp,stopvoldsg, stopstpdsg, or protect.

all: all command types.

recovervol: command for recovering a volume cache.

recoverstp: command for recovering a stripe cache.

stopvoldsg: command for stopping the disk flushing of a volume cache.

stopstpdsg: command for stopping the disk flushing of a stripe cache.

protect: command for protecting cache data.

result Command execution result.

The value can be all, begin,ok, or fail.

all: all results.

begin: command executed at the beginning.

ok: command executed successfully.

fail: command that fails to be executed.

obj Cache object.


volumeId Volume ID.

The value ranges from 0 to 2^64 - 1.

layer Range of cache information that you want to view.

The value can be a, v, or s.

a: volume cache and stripe cache.

v: volume cache.

s: stripe cache.


Diagnostic view

Usage Guidelines



To view the execution of commands which result is OK in a cache.

admin:/diagnose>cache show cmd trace all ok
(000) [2015-07-16 17:10:19] SET_VOLUME_CACHE_WORK_CONTROLLER,volumeId(0x4000000065):cmd ok.
(001) [2015-07-16 17:10:19] SET_VOLUME_CACHE_WORK_CONTROLLER,volumeId(0x4000000071):cmd ok.
(002) [2015-07-16 17:10:19] SET_VOLUME_CACHE_WORK_CONTROLLER,volumeId(0x4000000089):cmd ok.
(003) [2015-07-16 17:10:19] SET_VOLUME_CACHE_WORK_CONTROLLER,volumeId(0x400000009d):cmd ok.
(004) [2015-07-16 17:10:19] SET_VOLUME_CACHE_WORK_CONTROLLER,volumeId(0x4000000095):cmd ok.
(005) [2015-07-16 17:10:19] SET_VOLUME_CACHE_WORK_CONTROLLER,volumeId(0x40000000a1):cmd ok.
(006) [2015-07-16 17:10:19] SET_VOLUME_CACHE_WORK_CONTROLLER,volumeId(0x4000000099):cmd ok.
(007) [2015-07-16 17:10:19] SET_VOLUME_CACHE_WORK_CONTROLLER,volumeId(0x40000000b1):cmd ok.
(008) [2015-07-16 17:10:19] SET_VOLUME_CACHE_WORK_CONTROLLER,volumeId(0x40000000a9):cmd ok.
(009) [2015-07-16 17:10:19] SET_VOLUME_CACHE_WORK_CONTROLLER,volumeId(0x40000000ad):cmd ok.
(010) [2015-07-16 17:10:19] SET_VOLUME_CACHE_WORK_CONTROLLER,volumeId(0x40000000b5):cmd ok.
(011) [2015-07-16 17:10:19] SET_VOLUME_CACHE_WORK_CONTROLLER,volumeId(0x40000000a5):cmd ok.
(012) [2015-07-16 17:10:19] SET_VOLUME_CACHE_WORK_CONTROLLER,volumeId(0x40000000b9):cmd ok.
(013) [2015-07-16 17:10:19] SET_VOLUME_CACHE_WORK_CONTROLLER,volumeId(0x40000000c1):cmd ok.
(014) [2015-07-16 17:10:19] SET_VOLUME_CACHE_WORK_CONTROLLER,volumeId(0x40000000bd):cmd ok.
(015) [2015-07-16 17:10:19] SET_VOLUME_CACHE_WORK_CONTROLLER,volumeId(0x40000000c5):cmd ok.
(016) [2015-07-16 17:10:19] SET_STRIPE_CACHE_WORK_CONTROLLER,volumeId(0x1000000001):cmd ok.
(017) [2015-07-16 17:10:19] SET_STRIPE_CACHE_WORK_CONTROLLER,volumeId(0x1000000019):cmd ok.
(018) [2015-07-16 17:10:19] SET_STRIPE_CACHE_WORK_CONTROLLER,volumeId(0x100000000d):cmd ok.
(019) [2015-07-16 17:10:19] SET_STRIPE_CACHE_WORK_CONTROLLER,volumeId(0x1000000009):cmd ok.
(020) [2015-07-16 17:10:19] SET_STRIPE_CACHE_WORK_CONTROLLER,volumeId(0x1000000000):cmd ok.
(021) [2015-07-16 17:10:19] SET_STRIPE_CACHE_WORK_CONTROLLER,volumeId(0x1000000011):cmd ok.
(022) [2015-07-16 17:10:19] SET_STRIPE_CACHE_WORK_CONTROLLER,volumeId(0x100000002d):cmd ok.
(023) [2015-07-16 17:10:19] SET_STRIPE_CACHE_WORK_CONTROLLER,volumeId(0x1000000005):cmd ok.
(024) [2015-07-16 17:10:19] SET_STRIPE_CACHE_WORK_CONTROLLER,volumeId(0x100000003d):cmd ok.
(025) [2015-07-16 17:10:19] SET_STRIPE_CACHE_WORK_CONTROLLER,volumeId(0x1000000029):cmd ok.
(026) [2015-07-16 17:10:19] SET_STRIPE_CACHE_WORK_CONTROLLER,volumeId(0x1000000025):cmd ok.
(027) [2015-07-16 17:10:19] SET_STRIPE_CACHE_WORK_CONTROLLER,volumeId(0x1000000015):cmd ok.
(028) [2015-07-16 17:10:19] SET_STRIPE_CACHE_WORK_CONTROLLER,volumeId(0x1000000035):cmd ok.
(029) [2015-07-16 17:10:19] SET_STRIPE_CACHE_WORK_CONTROLLER,volumeId(0x100000006d):cmd ok.
-----END-CACHE-CMD-TRACE(find 30 cmdtrace)-----

System Response


Updated: 2020-01-17

Document ID: EDOC1000181602

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