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Advanced O&M Command Reference

OceanStor 2800 V3 V300R006

This document is applicable to OceanStor 2800 V3. 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. The document that you browse online matches the latest C version of the product. Click Download to download documents of other C versions.
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pagepool show info

pagepool show info

Function

The pagepool show info command is used to view page usage.

Format

pagepool show info pageUsage

pagepool show info type

Parameters

Parameter

Description

Value

pageUsage

Index of page type.

-

type

Type of page.

The value can be all, read, or write.

all: all objects.

read: read page.

write: write page.

Views

Diagnostic view

Usage Guidelines

None

Example

  • View the usage of pages whose type is 78.
    admin:/diagnose>pagepool show info 78 
    allocate type: 
    type index quotaType allocCnt freeCnt 
    ---------------------------- ----- --------- ---------- ---------- 
    CKG_READ_DATA_FROM_DISK 75 30 0 0 
    CKG_READ_META_FROM_DISK 76 30 1339 112 
    CKG_READ_META 77 30 0 0 
    LOG_VOLUME_READ 78 30 5857 5137 
    free type: 
    type index quotaType allocCnt freeCnt 
    ---------------------------- ----- --------- ---------- ---------- 
    STP_CACHE_READ_DATA 79 30 0 1947
  • View the usage of all write pages.
    admin:/diagnose>pagepool show info write 
    type index quotaType allocCnt freeCnt 
    ---------------------------- ----- --------- ---------- ---------- 
    LUN_HOST_WRITE_REMOTE 0 7 0 0 
    LUN_HOST_WRITE 1 5 0 0 
    RSS_WRITE_BOTH 5 6 0 0 
    BGR_BG_REPLICATION 6 8 0 0 
    VOL_CACHE_DIRTY 21 0 8728544 8717085 
    VOLUME_META_WRITE 2 9 465 465 
    VOLUME_COW_WRITE 3 10 0 0 
    VOLUME_WRITE_ZERO 4 9 0 0 
    CKG_DATA_TRANSFER_WRITE 7 9 0 0 
    EXTENT_WRITE_BOTH 8 9 0 0 
    EXTENT_WRITE 9 9 0 0 
    BTREE_WRITE 10 9 0 0 
    STP_CACHE_SSD_DIRTY 22 1 0 0 
    STP_CACHE_HDD_DIRTY 23 2 8717085 8696132 
    STP_CACHE_POOL_META_DIRTY 24 4 290 150 
    STP_CACHE_PARITY_DIRTY 25 3 2985352 2985352 
    CKG_WRITE_DIRTY_PARITY 11 12 0 0 
    SPA_WRITE 12 11 0 0 
    NODEMGR_WRITE 13 11 0 0 
    CKG_META_TRANSFER_WRITE 14 11 0 0 
    TRANS_WRITE_LOG 15 25 5127 5127 
    TRANS_CLEAN_LOG 16 24 2 2 
    TRANS_COMMON 17 26 64 64 
    TRANS_VOL_BACKGROUND 18 27 0 0 
    TRANS_POOL_FOREGROUND 19 28 0 0 
    TRANS_POOL_BACKGROUND 20 29 0 0

System Response

The following table describes the parameter meanings.

Parameter

Meaning

type

Page type.

index

Page type index.

quotaType

Quota type index.

allocCnt

Total number of obtained pages.

freeCnt

Total number of released pages.

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Updated: 2019-07-12

Document ID: EDOC1000138381

Views: 669170

Downloads: 36

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