[Bug 305853] Re: open-iscsi slow disk performance

[Rafael David Tinoco]

Thank you for taking the time to report this bug. In an effort to keep an
up-to-date and valid list of bugs to work on, I have reviewed this report
to verify it still requires effort and occurs on an Ubuntu release in
standard support, and it does not.

It is unfortunate that we were unable to resolve this defect, however
there appears to be no further action possible at this time. I am
therefore moving the bug to 'Incomplete'. If you disagree or have
new information, we would be grateful if you could please add a comment 
stating why and then change the status of the bug to 'New'.

** Changed in: open-iscsi (Ubuntu)
       Status: New => Incomplete

** Changed in: open-iscsi (Ubuntu)
       Status: Incomplete => Won't Fix

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https://bugs.launchpad.net/bugs/305853

Title:
  open-iscsi slow disk performance

Status in open-iscsi package in Ubuntu:
  Won't Fix

Bug description:
  Description:	Ubuntu 8.04.1
  Release:	8.04
  open-iscsi:
    Installed: 2.0.865-1ubuntu3
    Candidate: 2.0.865-1ubuntu3
    Version table:
   *** 2.0.865-1ubuntu3 0
          500 http://us.archive.ubuntu.com hardy/main Packages
          100 /var/lib/dpkg/status

  When the server boots up from a complete power down the IO speed of the iscsi disks performs 100 times slower than it should.  To resolve this problem, after weeks of trying different things, I force downgrade to a older open-iscsi package and then upgrade right back using this command:
  dpkg -i /root/open-iscsi_2.0.730-1_amd64.deb ; /etc/init.d/open-iscsi restart ; aptitude install open-iscsi
  Every time I perform this step the IO performance immediately jumps back up to where it is suppose to be.  

  I am having this problem on two Ubuntu 8.04.1 servers one running Dell
  Hardware the other Supermicro.  Nothing else in the data center is
  having any IO performance problems with the Iscsi device.

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