Dan Swartzendruber wrote:
Andrew Gabriel wrote:
Dan Swartzendruber wrote:
I have an openindiana virtual machine running under ESXi. The vmware
tools are installed and timesync is disabled. I have ntpd configured
and working with several servers in the us.pool.ntp.org subdomain.
It all seems to work - comparing the time with 2 other virtual
machines on the same hypervisor indicates a match to the second.
Yet, on OI, I see these messages every few minutes:
May 27 14:17:25 nas ntpd[282]: [ID 702911 daemon.notice] frequency
error -512 PPM exceeds tolerance 500 PPM
Neither of the other VMs running ntpd complain this way. I'm not
even sure this is VM related or maybe some Opensolaris-related
thing, so forgive the possible waste of bandwidth (heck, I'm not
even sure this is really an issue, but I tend to be concerned when I
see a lot of messages like this...)
Any thoughts on this? Thx!
Don't expect realtime or low latency software to run correctly in a
hypervisor-virtualized OS.
Andrew, did you read where I mention that OI is the only VM that has
this issue?
It may be the only one which _notices_ it's having this issue.
Like it may be the only one which notices if a disk returns a corrupted
block.
You didn't say what the other OS's are.
--
Andrew
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