PeterLind
Enthusiast
Enthusiast

Slow vMotion away from host?

Has anyone ever experienced vMotion from a host taking a very long time (6 mins)? While vMotion to the host is fast (10 secs).

And what was the cause?

We are using ESXi 5.0 Update 3

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3 Replies
schepp
Leadership
Leadership

Hi,

check if there is a traffic shaping policy active on your vSwitch that limits the outgoing traffic.

Also check if the NIC that is used for vMotion is configured the right way (Gbit and Full Duplex)

Regards

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PeterLind
Enthusiast
Enthusiast

Thank you for the input. I've checked and everything seems normal.

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PeteDk
Contributor
Contributor

The issue was caused by our twinax cables (7 and 10m). Our Dell enclosure did not support active twinax. Only lengths 1, 3 and 5m passive...

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