Uploaded image for project: 'XenServer Org'
  1. XenServer Org
  2. XSO-819

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

    Details

    • Type: Bug
    • Status: Done (View Workflow)
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 7.2
    • Fix Version/s: 7.5
    • Component/s: Dom0
    • Labels:
      None
    • Environment:

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

    • Team:
    • Internal JIRA Reference:
      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/

       

        Attachments

          Activity

            People

            • Assignee:
              rosslagerwall Ross Lagerwall
              Reporter:
              alozzy Alan Osborne
            • Votes:
              0 Vote for this issue
              Watchers:
              4 Start watching this issue

              Dates

              • Created:
                Updated:
                Resolved: