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Advanced O&M Command Reference

OceanStor 2800 V5 V500R007

This document is applicable to OceanStor 2800 V5. Based on the CLI, this document describes how to use various commands classified by functions and 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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devlun showiocount

devlun showiocount

Function

The devlun showiocount command is used to view the I/O counts of device LUNs.

Format

devlun showiocount[index]

Parameters

Parameter

Description

Value

index

Index of phase.

-

Views

Diagnostic view

Usage Guidelines

None

Example

View the I/O counts of device LUNs.

admin:/diagnose>devlun showiocount  
Index Phase Start Back good Back Retry Back bad Not back AvgLatency(ms) MaxLatency(js) 
----- --------- ----- --------- ----------  -------- --------  -------------- -------------- 
 2 LUN_ALLOC_READ_PAGE_BEFORE_SEND 5 5 0 0 0 0 0 
 3 LUN_HANDLE_SCSI_CMD_LOCAL 0 0 0 0 0 0 0 
 4 LUN_HANDLE_SCSI_CMD_REMOTE 115716 115716 0 0 0 0 1 
 5 LUN_QOS_HANDLE 115718 115718 0 0 0 0 1 
 6 LUN_ALLOC_WRITE_PAGE_WORKCTRL 57867 57867 0 0 0 0 1 
 7 LUN_ALLOC_WRITE_PAGE_NON_WORKCTRL 0 0 0 0 0 0 0 
 8 LUN_ALLOC_PAGE_SCSI_PRIVATE_READ_LOCAL 0 0 0 0 0 0 0 
 9 LUN_ALLOC_PAGE_SCSI_PRIVATE_READ_REMOTE 0 0 0 0 0 0 0 
 10 LUN_IO_TO_PAIR 115725 115712 0 0 13 0 73 
 11 LUN_INNER_IO 175860 175856 0 0 4 0 0 
 12 LUN_IO_TO_CACHE 175855 175854 0 0 1 0 37 
 13 LUN_CACHE_IO_TO_PAIR 0 0 0 0 0 0 0 
 14 LUN_IO_BYPASS_TO_VOLUME 0 0 0 0 0 0 0 
 15 LUN_IO_TO_SPC 0 0 0 0 0 0 0 
 16 LUN_IO_TO_SPC_SPLIT 0 0 0 0 0 0 0 
 17 LUN_IO_TO_SPC_RETRY 0 0 0 0 0 0 0 
 18 LUN_SEND_READ_IO_TO_REMOTE 0 0 0 0 0 0 0 
 19 LUN_SEND_WRITE_IO_TO_REMOTE 0 0 0 0 0 0 0 
 20 LUN_SEND_WRITE_ALLOC_IO_TO_REMOTE 0 0 0 0 0 0 0 
 21 LUN_REMOTE_READ 59307 59304 0 0 3 0 36 
 22 LUN_REMOTE_SCSI_PRIVATE_READ 0 0 0 0 0 0 0 
 23 LUN_REMOTE_WRITE_ALLOC 59320 59318 0 0 2 0 35 
 24 LUN_REMOTE_SCSI_PRIVATE_WRITE_ALLOC 0 0 0 0 0 0 0 
 25 LUN_REMOTE_WRITE 59309 59308 0 0 1 0 37 
 26 LUN_REMOTE_SCSI_PRIVATE_WRITE 0 0 0 0 0 0 0 
 27 LUN_REMOTE_RSS_REPAIR_WRITE 0 0 0 0 0 0 0 
 28 LUN_REMOTE_PVT_MSG 0 0 0 0 0 0 0 
 29 LUN_ALLOC_ZERO_PAGE_FOR_SUB_EBS 0 0 0 0 0 0 0 
 30 LUN_SEND_SCSI_PRIVATE_WRITE_TO_REMOTE 0 0 0 0 0 0 0 
 31 LUN_SEND_SCSI_PRIVATE_READ_TO_REMOTE 5 5 0 0 0 0 0 
 32 LUN_SEND_SCSI_PRIVATE_WRITE_ALLOC_TO_REMOTE 0 0 0 0 0 0 0 
 33 LUN_HANG_LIST_IO 0 0 0 0 0 0 0 
 34 LUN_SUSPEND_LIST_IO 0 0 0 0 0 0 0 
 35 LUN_ALLOC_IBD_ERR_NUM 0 0 0 0 0 0 0 
 36 LUN_SEND_DEL_CMD_TO_REMOTE 0 0 0 0 0 0 0 
 37 LUN_SEND_RSS_REPAIR_WRITE_TO_REMOTE 0 0 0 0 0 0 0 
 38 LUN_SEND_FULLCOPY_TO_REMOTE 0 0 0 0 0 0 0 
 39 LUN_IO_TO_FULLCOPY 0 0 0 0 0 0 0 
 40 LUN_EXTERN_READ_IO 0 0 0 0 0 0 0 
 41 LUN_EXTERN_WRITE_ALLOC_IO 0 0 0 0 0 0 0 
 42 LUN_EXTERN_WRITE_IO 0 0 0 0 0 0 0 
 43 LUN_ALLOC_PAGE_FOR_INJECT_DIF 0 0 0 0 0 0 0 
 44 LUN_OVERLOAD_CTRL 121301 121301 0 0 0 0 1 
 45 LUN_LINK_COMPRESS 0 0 0 0 0 0 0 
 46 LUN_LINK_DECOMPRESS 0 0 0 0 0 0 0 
 47 LUN_SEND_ABORT_CMD_REQ_TO_REMOTE 0 0 0 0 0 0 0 
 48 LUN_SEND_RSP_ABORT_CMD_REQ_TO_NON_WORK 0 0 0 0 0 0 0 
 49 LUN_SEND_FINISH_ABORT_CMD_REQ_TO_REMOTE 0 0 0 0 0 0 0 
 50 LUN_SEND_RSP_FINISH_ABORT_CMD_REQ_TO_NON_WORK 0 0 0 0 0 0 0 
 51 LUN_RECV_ABORT_CMD 0 0 0 0 0 0 0 
 52 LUN_WRITE_ALLOC_WAIT_WRITE 0 0 0 0 0 0 0 
 53 LUN_SEND_QUERY_IO_TO_REMOTE 0 0 0 0 0 0 0 
 54 LUN_ALLOC_QUERY_PAGE_NON_WORKCTRL 0 0 0 0 0 0 0 
 55 LUN_ALLOC_QUERY_PAGE_WORKCTRL 0 0 0 0 0 0 0

System Response

The following table describes the parameter meanings.

Parameter

Meaning

Phase

Phase.

Start counter

Number of delivered I/Os.

Back good

Number of successful I/Os.

Back Bad

Number of failed I/Os.

Not back

Number of I/Os that are not returned.

AvgLatency(ms)

Average latency (ms).

MaxLatency(js)

Maximum latency (jiffies).

Translation
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Updated: 2019-07-11

Document ID: EDOC1000181575

Views: 642918

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