[OpenIndiana-discuss] NTPD and PPM issues?

[Andrew Gabriel]

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