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Status Delivered
Workspace AIX
Created by Guest
Created on Apr 3, 2019

RELATED IDEAS

AIX Fast I/O error recovery on redundant storage environment

See this idea on ideas.ibm.com

There are many redundancy solutions for robust disk I/O availability - redundant HBAs, redundant SAN switches and redundant storage system. After apply IJ10537(included in AIX 7.2 TL2 SP3), almost 120 sec to recover I/O even set rw_timeout to minimum 30 sec.
We ask minimize "lun reset retries" to fast I/O recovery in redundant filesystem environment such as LVM mirror or GPFS replication.

Idea priority Urgent
  • Guest
    Reply
    |     Apr 27, 2020

    the rw_max_time attribute added in AIX 7.2 TL 4 addresses the issue described in this RFE.

  • Guest
    Reply
    |     Apr 9, 2019

    IBM is planning enhancements in future AIX 7.2 technology levels that will address issues described in this RFE

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