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Status Planned for future release
Workspace AIX
Created by Guest
Created on Sep 25, 2023

RELATED IDEAS

lvmstat that can gather MWC stats

We need a custom lvmstat that can gather MWC stats,  that would would work like this:

To enable mwcc stats:

lvmstat -v <vgname> -me

To disable mwcc stats:

lvmstat -v <vgname> -md

To clear mwcc stats:

lvmstat -v <vgname> -mC

To query mwcc stats:

lvmstat -v <vgname> -m

or

lvmstat -v <vgname> -m <interval> <counter>

exemple:

# lvmstat -v oradatavg -m 10 5

TIME IOCNT FULLCNT INFLT_CNT

11:14:14 125862779 37641358 83524086

11:14:24 1405081 660648 687673

11:14:34 890454 235005 630771

11:14:44 897578 251068 603337

11:14:54 951559 302345 616823

IOCNT - Total number of requests.

FULLCNT - Number of times the request is in hold because of cache full .

INFLT_CNT - Number of times the request is in hold because of the cache write is in progress

Idea priority High

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