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Advanced O&M Command Reference

OceanStor 5000, 5000F, 6000, and 6000F V5 Series V500R007

This document is applicable to OceanStor 5110 V5, 5110F V5, 5300 V5, 5500 V5, 5600 V5, 5800 V5, 6800 V5, 5300F V5, 5500F V5, 5600F V5, 5800F V5, and 6800F 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 fschunk

cache show fschunk

Function

The cache show fschunk command is used to query information about file system chunks.

Format

cache show fschunk volumeid objId r/w lba cnt

Parameters

Parameter

Description

Value

volumeid

Volume ID.

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

objId

Object ID.

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

r

Read chunk.

-

w

Write chunk.

-

lba

LBA.

-

cnt

Number of chunks.

-

Views

Diagnostic view

Usage Guidelines

None

Example

Query information about a chunk whose volume ID is 0x4000000078, object ID is 0x1550 and LBA is 512 in the file system.

ibc_os_hs:/diagnose>cache show fschunk 0x4000000078 0x1550 r 512 1 
VolumeID 0x4000000078, objId 5456, read chunk num 8: 
evictTried(0), asyncTrigger(0), triggerInterval(0), isConSeqFlowLenAdded(0), prefetchType(3). 
bucketType(4), frequency(0), counter(5), isCounterAdded(0), endChunkOffset(0), prevChunkLba(18446744073709551615). 
seqFlowLen[SEQ](0), seqFlowLen[CON](0), seqFlowLen[DIFF](0), bitmap(3), accessTime(19846928). 
  read chunk              : 0xffff8812ad176348 
  caheBase                : 0xffff880c21f39798 
  write chunk             : 0x          (null) 
  lba                     : 512 
  ref                     : 0 
  chunkSize               : 512 
  lockIndex               : 10485761 
  historyEvent            : 0x0 
  historyTrace            : 0x3031303125242502 0x2431303130313031 
  prefetchFlag            : 0 
  prefetchIoCount         : 0 
  cleanPageCnt            : 64 
  ckReadHitCnt            : 0 
  timepoint ptr           : ffff880ca5b393a8 
  timepoint            : 1 
  CP_dataState              : 0 
  CP_isRunning              : 0 
  CP_triggerType            : 0 
  CP_isInCp                 : false 
  updateTime              : 5797076 
  partitionIndex          : 0 
  isInEvictlist           : 1 
  isNew                   : 1 
  isSelected              : 0 
  evictPriority           : 1 
  hashId                  : 10 
  delayCnt                : 0 
  arcState                : 0 
  ghostState              : 3 
  All read data page      : 
  Idx  Pagectrl            page                ValidBitmap  IsDirty  ReHitFlag  RaFlag  UsedFlagprefetchflag  
  ---  --------            ----                -----------  -------  ---------  ------  --------------------  
  pageUnit(0xffff8812acc1c928) index(0)  cnt(16) 
  000  0xffff2323ec96aab8  0xffff88d48040e9c0  FF                 0          1       0         0             0 
  001  0xffff2323ec96aaf0  0xffff88d48040fa00  FF                 0          1       0         0             0 
  002  0xffff2323ec96ab28  0xffff88d480410a40  FF                 0          1       0         0             0 
  003  0xffff2323ec96ab60  0xffff88d480411a80  FF                 0          1       0         0             0 
  004  0xffff2323ec96ab98  0xffff88d480412ac0  FF                 0          1       0         0             0 
  005  0xffff2323ec96abd0  0xffff88d480413b00  FF                 0          1       0         0             0 
  006  0xffff2323ec96ac08  0xffff88d480414b40  FF                 0          1       0         0             0 
  007  0xffff2323ec96ac40  0xffff88d480415b80  FF                 0          1       0         0             0 
  008  0xffff2323ec96ac78  0xffff88d480416bc0  FF                 0          1       0         0             0 
  009  0xffff2323ec96acb0  0xffff88d480417c00  FF                 0          1       0         0             0 
  010  0xffff2323ec96ace8  0xffff88d480418c40  FF                 0          1       0         0             0 
  011  0xffff2323ec96ad20  0xffff88d480419c80  FF              0          1       0         0             0 
  012  0xffff2323ec96ad58  0xffff88d48041acc0  FF                 0          1       0         0             0 
  013  0xffff2323ec96ad90  0xffff88d48041bd00  FF                 0          1       0         0             0 
  014  0xffff2323ec96adc8  0xffff88d48041cd40  FF                 0          1       0         0             0 
  015  0xffff2323ec96ae00  0xffff88d48041dd80  FF                 0          1       0         0             0 
  pageUnit(0xffff8812ac0bd6a8) index(1)  cnt(16) 
  000  0xffff2323ec96ae38  0xffff88d48041edc0  FF                 0          1       0         0             0 
  001  0xffff2323ec96ae70  0xffff88d48041fe00  FF                 0          1       0         0           0 
  002  0xffff2323ec96aea8  0xffff88d480420e40  FF                 0          1       0         0             0 
  003  0xffff2323eca005d0  0xffff88d482f7eb00  FF                 0          1       0         0             0 
  004  0xffff2323eca00608  0xffff88d482f7fb40  FF                 0          1       0         0             0 
  005  0xffff2323eca00640  0xffff88d482f80b80  FF                 0          1       0         0             0 
  006  0xffff2323eca00678  0xffff88d482f81bc0  FF                 0          1       0         0             0 
  007  0xffff2323eca006b0  0xffff88d482f82c00  FF                 0          1       0         0             0 
  008  0xffff2323eca006e8  0xffff88d482f83c40  FF                 0          1       0         0             0 
  009  0xffff2323eca00720  0xffff88d482f84c80  FF                 0          1       0         0             0 
  010  0xffff2323eca00758  0xffff88d482f85cc0  FF                 0          1       0         0             0 
  011  0xffff2323eca00790  0xffff88d482f86d00  FF                 0          1       0         0             0 
  012  0xffff2323eca007c8  0xffff88d482f87d40  FF                 0          1       0         0             0 
  013  0xffff2323eca00800  0xffff88d482f88d80  FF                 0          1       0         0             0 
  014  0xffff2323eca00838  0xffff88d482f89dc0  FF                 0          1       0         0             0 
  015  0xffff2323eca00870  0xffff88d482f8ae00  FF                 0          1       0         0             0 
  pageUnit(0xffff881258841e28) index(2)  cnt(16) 
  000  0xffff2323ecb7eb98  0xffff88d489e72ac0  FF                 0          1       0         0             0 
  001  0xffff2323ecb7ebd0  0xffff88d489e73b00  FF                 0          1       0         0             0 
  002  0xffff2323ecb7ec08  0xffff88d489e74b40  FF                 0          1       0         0             0 
  003  0xffff2323ecb7ec40  0xffff88d489e75b80  FF                 0          1  0         0             0 
  004  0xffff2323ecb7ec78  0xffff88d489e76bc0  FF                 0          1       0         0             0 
  005  0xffff2323ecb7ecb0  0xffff88d489e77c00  FF                 0          1       0         0             0 
  006  0xffff2323ecb7ece8  0xffff88d489e78c40  FF                 0          1       0         0             0 
  007  0xffff2323ecb7ed20  0xffff88d489e79c80  FF                 0          1       0         0             0 
  008  0xffff2323ecb7ed58  0xffff88d489e7acc0  FF                 0          1       0         0             0 
  009  0xffff2323ecb7ed90  0xffff88d489e7bd00  FF                 0          1       0         0             0 
  010  0xffff2323ecb7edc8  0xffff88d489e7cd40  FF                 0          1       0         0             0 
  011  0xffff2323ecb7ee00  0xffff88d489e7dd80  FF                 0          1       0         0             0 
  012  0xffff2323ecb7ee38  0xffff88d489e7edc0  FF                 0          1       0         0             0 
  013  0xffff2323ecb7ee70  0xffff88d489e7fe00  FF                 0          1       0         0             0 
  014  0xffff2323ecb7eea8  0xffff88d489e80e40  FF                 0          1       0         0             0 
  015  0xffff2323ecb7eee0  0xffff88d489e81e80  FF                 0          1       0         0             0 
  pageUnit(0xffff881258841f58) index(3)  cnt(16) 
  000  0xffff2323ecb7ef18  0xffff88d489e82ec0  FF                 0          1       0         0             0 
  001  0xffff2323ecb7ef50  0xffff88d489e83f00  FF                 0          1       0         0             0 
  002  0xffff2323ecb7ef88  0xffff88d489e84f40  FF                 0          1       0         0             0 
  003  0xffff2323ecb7efc0  0xffff88d489e85f80  FF                 0          1       0         0             0 
  004  0xffff2323ecb7eff8  0xffff88d489e86fc0  FF                 0          1       0         0             0 
  005  0xffff2323ecb7f030  0xffff88d489e88000  FF               0          1       0         0             0 
  006  0xffff2323ecb7f068  0xffff88d489e89040  FF                 0          1       0         0             0 
  007  0xffff2323ecb7f0a0  0xffff88d489e8a080  FF                 0          1       0         0             0 
  008  0xffff2323ecb7f0d8  0xffff88d489e8b0c0  FF                 0          1       0         0             0 
  009  0xffff2323ecb7f110  0xffff88d489e8c100  FF                 0          1       0         0             0 
  010  0xffff2323ecb7f148  0xffff88d489e8d140  FF                 0          1       0         0             0 
  011  0xffff2323ecb7f180  0xffff88d489e8e180  FF                 0          1       0         0             0 
  012  0xffff2323ecb7f1b8  0xffff88d489e8f1c0  FF                 0          1       0         0             0 
  013  0xffff2323ecb7f1f0  0xffff88d489e90200  FF                 0          1       0         0             0 
  014  0xffff2323ecb7f228  0xffff88d489e91240  FF                 0          1       0         0             0 
  015  0xffff2323ecb7f260  0xffff88d489e92280  FF                 0          1       0         0             0 
ibc_os_hs:/diagnose>

System Response

None

Translation
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Updated: 2019-07-11

Document ID: EDOC1000181619

Views: 590399

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