Tag: access

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Security issue after updating to vCenter 6.0

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I did a crazy thing last week, I decided to update our vCenter appliance (VCSA) from version 5.5U3a to version 6.0 Update1 3040890. I was surprised how flawlessly it went. It was finished in couple of hours, “almost” everything was working as expected, so big success 🙂 Until users started… Continue reading

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

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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