Comment 15 for bug 1318614

Reviewed: https://review.openstack.org/185713
Committed: https://git.openstack.org/cgit/stackforge/fuel-library/commit/?id=ccfc554e3df5b96ad49525c5b57d0ad6c2ae43c4
Submitter: Jenkins
Branch: master

commit ccfc554e3df5b96ad49525c5b57d0ad6c2ae43c4
Author: Sergii Golovatiuk <email address hidden>
Date: Tue May 26 21:11:26 2015 +0200

    Disable 512b sector

    Patch I4b38ef148c16baacfba12ed07534a3761b3cecf1 (bug/1316266) introduced
    performance downgrade for all SSDs and HDD with advanced formatting
    where physical sector size is 4k. According to test results in some
    cases performance is 10 times slower. Also, there is only one RAID
    adapter found with such behavior "LSI Logic / Symbios Logic MegaRAID SAS
    2208"

    DocImpact: release-notes
    Users with MegaRAID SAS 2208 must upgrade firmware to latest (Provided
    by Cisco and Dell)

    Change-Id: If0d41447e31aac505ca6f7a5f4ee91c401862609
    Closes-Bug: 1318614
    Signed-off-by: Sergii Golovatiuk <email address hidden>