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IBM System Storage Ideas Portal


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Welcome to the IBM Ideas Portal (https://www.ibm.com/ideas) - Use this site to find out additional information and details about the IBM Ideas process and statuses.

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Status Under review
Created by Guest
Created on Sep 1, 2026

iSCSI Performance Optimization for OLVM Platform & LAB SETUP

create a OLVM LAB setup and test the following host parameters for achieving improvement in host side disk performance to IBM

MTU: 9000 (jumbo frames)

iSCSI Paths: 8 ( already clarified on the IBM call. can be achieved only using additional cards. find some host level tuneups if possible )

Write Cache: Write-Back

blockdev Read Ahead: 8192 (both dm* and sd*)

nr_requests: 2048

max_sectors_kb: 1024

scheduler: none

rq_affinity: 2

wbt_lat_usec: 0

queue_depth: 32 / 64

Idea priority Urgent