ESXi installation fail with IBM x3650 M4 and m5110e storage controller after Firmware upgrade

OperationFailed

Yesterday, we experienced a problem where we couldn’t install ESXi on the one of ours IBM x3650 M4 servers. We suspected it could be a firmware issue as we performed a complete firmware upgrades just before the installation. If you already had your ESXi installed and did the firmware upgrade … Continue reading

Updated: Storage disconnects when using VAAI ATS on vSphere 5.5 Update2 and vSphere 6.0

alert

IBM has released a flash alert regarding a new behavior introduced in vSphere 5.5 Update2 and vSphere 6.0 where VAAI ATS (Atomic Test and Set or in the other words Hardware accelerated locking) is used for heartbeat I/O. http://www-01.ibm.com/support/docview.wss?uid=ssg1S1005201 According to IBM: Due to the low timeout value for heartbeat … Continue reading