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Advanced O&M Command Reference

OceanStor 18000 V3 Series V300R006

This document is applicable to OceanStor 18500 V3 and 18800 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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pal dentry showinfo

pal dentry showinfo

Function

The pal dentry showinfo command is used to show information about directory entries.

Format

pal dentry showinfo

Parameters

None

Views

Diagnostic view

Usage Guidelines

None

Example

Showing information about directory entries.

admin:/diagnose>pal dentry showinfo 
Dentry Cache(addr=ffffffffaaed7100,size=1608) Info: 
  Dentry switch                  = 1. 
  Hash Size                      = 1048576. 
  Hash Mask                      = 1048575. 
  Task Status                    = 0. 
  Max Dentry Number              = 1500000. 
  Max Eliminate Number           = 1350000. 
  Min Eliminate Number           = 1200000. 
  Hit Rate                       = 88. 
  Total Number                   = 2189. 
  Hit Number                     = 1928. 
  Used Number                    = 1. 
  Invalid File System Number   = 0. 
  Memory                         = 410. 
  Free Lru Number                = 0. 
  Reference Count No Zero Number = 0. 
  Leak Number                    = 0. 
  Name Hash                     (Min=0,Max=1) 
  ID Hash                       (Min=0,Max=1)

System Response

The following table describes the parameter meanings.

Parameter

Meaning

Dentry switch

Directory entry switch, where:

  • 0: on.
  • 1: off.

Hash Size

Number of directory entries stored in a hash table.

Hash Mask

Mask of a hash table.

Task Status

Status of background deletion tasks in a directory entry.

Max Dentry Number

Maximum number of dentry nodes, which are read from configuration files.

Max Eliminate Number

High watermark for LRU elimination. Elimination is started when the memory usage reaches the high watermark.

Min Eliminate Number

Low watermark for LRU elimination. Elimination is stopped when the memory usage reaches the low watermark.

Hit Rate

Hit rate.

Total Number

Total number of queries.

Hit Number

Number of hits.

Used Number

Number of used directory entries.

Memory

Memory used by a directory entry.

Free Lru Number

Number of freed LRU directory entries.

Reference Count No Zero Number

Number of directory entries whose number of references is not "0" when the directory entries are being freed.

Leak Number

Number of leaked directory entries.

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Updated: 2019-07-12

Document ID: EDOC1000138389

Views: 487189

Downloads: 85

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