On 01/07/2013 06:18 AM, Alex Leonhardt wrote:

Hi,

just seen a memory usage warning in oVirt's Admin Interface saying the available memory is below threshold of 1024MB - however - when I checked the host, it had still 20GB left ?

See screenshot.

Alex

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The message is happening due to "memAvailable" statistic coming from vdsm. The memAvailable field can be negative and considers a set of values from different sources to compose its result (free memory, cached memory, resident set size from qemu processes, committed memory from running vms and host reserved memory