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  1. XenServer Org
  2. XSO-819

Connections to Windows Server 2016 iSCSI target fail with Linux kernel 3.19 or newer

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Details

    • Bug
    • Resolution: Fixed
    • Major
    • 7.5
    • 7.2
    • Dom0
    • None

    • Not hardware specific, bug seems to have arisen in XenServer 7.1 and 7.2, due to the Dom0 Linux Kernel upgrade.

    • XSI-4

    Description

      Bug explained in detail here:

      https://bugs.launchpad.net/ubuntu/+source/open-iscsi/+bug/1729000

      Several XenServer 7.2 users have confirmed the bug here:

      https://discussions.citrix.com/topic/389536-cant-readwrite-to-new-iscsi-storage-xenserver-72/

       This blog article states that it's due to a change in the Linux 4.4 kernel default value, from 512KB to 1280KB:

      http://longwhiteclouds.com/2016/03/06/default-io-size-change-in-linux-kernel/

       

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            rosslagerwall Ross Lagerwall
            alozzy Alan Osborne
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            Dates

              Created:
              Updated:
              Resolved: