On Mon, Jan 14, 2013 at 12:49 PM, kz2...@googlemail.com wrote:
Quick brainstorm requiredwhat's the most common issues you'd expect in a
Windows/AD environment if some servers have incorrect time settings?
Obviously AD replication and logging inconsistencies spring to mind...just
.
-Original Message-
From: Kurt Buff [mailto:kurt.b...@gmail.com]
Sent: Monday, January 14, 2013 4:13 PM
To: NT System Admin Issues
Subject: Re: Time sync issues
On Mon, Jan 14, 2013 at 12:49 PM, kz2...@googlemail.com wrote:
Quick brainstorm requiredwhat's the most common issues you'd
]
Subject: RE: Time sync issues
Kerberos authentication fails if time drifts too far off and you lose access
to
network resources, such as shares. The tolerance for time drift varies with
server editions. I think Server 2003 had a 5 minute drift tolerance and I
think
Server 2008 has a 10
]
Sent: Monday, January 14, 2013 6:46 PM
To: NT System Admin Issues
Subject: RE: Time sync issues
That is not a 100% accurate statement.
http://blogs.technet.com/b/askds/archive/2012/08/24/friday-i-mean-saturday-mail-sack-very-wordy-edition.aspx
•The semi-myth of Kerberos time skew
Thanks
as well,
without having to over provision to start with.
Cheers
Ken
From: Ken Cornetet [mailto:ken.corne...@kimball.com]
Sent: Wednesday, 9 January 2013 1:29 AM
To: NT System Admin Issues
Subject: RE: Time sync
We use SCOM to monitor everything, and we have some homegrown stuff on top of
that. So
. Management can worry about the
explosion of disk costs.
From: Ken Schaefer [mailto:k...@adopenstatic.com]
Sent: Monday, January 07, 2013 11:21 PM
To: NT System Admin Issues
Subject: RE: Time sync
Seriously?
Are you an ITIL shop? Do you not have capacity management plans and
systems/tools in place
[mailto:ken.corne...@kimball.com]
Sent: Wednesday, 9 January 2013 1:29 AM
To: NT System Admin Issues
Subject: RE: Time sync
We use SCOM to monitor everything, and we have some homegrown stuff on top of
that. So, we do monitor.
However, what we saw in the early days of virtualization
Lol, how many times do you need 64 vCPUs or 4TB of guest Ram versus needing to
extend a disk?
From: Ken Schaefer [mailto:k...@adopenstatic.com]
Sent: Friday, January 04, 2013 8:50 PM
To: NT System Admin Issues
Subject: RE: Time sync
Can ESX support 64 vCPUs or 4TB RAM per guest yet? Or 64
On Mon, Jan 7, 2013 at 8:31 AM, Ken Cornetet ken.corne...@kimball.com wrote:
Lol, how many times do you need 64 vCPUs or 4TB of guest Ram versus needing
to extend a disk?
I run VMware ESXi 5.0, and I know I have had to extend a disk any
number of times. And Win2008 makes extending the boot disk
HyperV
users aren't howling about this.
-Original Message-
From: Michael Leone [mailto:oozerd...@gmail.com]
Sent: Monday, January 07, 2013 9:43 AM
To: NT System Admin Issues
Subject: Re: Time sync
On Mon, Jan 7, 2013 at 8:31 AM, Ken Cornetet ken.corne...@kimball.com wrote:
Lol, how many
]
Sent: Monday, January 7, 2013 10:06 AM
To: NT System Admin Issues
Subject: RE: Time sync
We are running ESX 5. To conserve SAN storage, we provision virtuals with the
bare minimum needed disk space because it is so easy to extend disks later
(extend the VMDK in VMWare, extend in Windows, done
features like 4TB of guest RAM. And, I also wonder why HyperV
users aren't howling about this.
-Original Message-
From: Michael Leone [mailto:oozerd...@gmail.com]
Sent: Monday, January 07, 2013 9:43 AM
To: NT System Admin Issues
Subject: Re: Time sync
On Mon, Jan 7, 2013 at 8:31 AM, Ken
days, and I ran into
this problem a few times.
-Original Message-
From: Michael B. Smith [mailto:mich...@smithcons.com]
Sent: Monday, January 07, 2013 10:28 AM
To: NT System Admin Issues
Subject: RE: Time sync
Because the overhead associated with dynamic disks in Hyper-V v3
On Mon, Jan 7, 2013 at 10:33 AM, Andrew S. Baker asbz...@gmail.com wrote:
You do know you can thin provision in both VMWare and HyperV, right?
Thus, you can stipulate that a disk have a max size of 200GB, but if you're
only using 50GB, it will only be 50GB in size.
I never use think disks,
Admin Issues
Subject: RE: Time sync
Because the overhead associated with dynamic disks in Hyper-V v3 is in the
very low single digits. We don't spend any time on this process, thin
provisioning still works seamlessly, and we get on with our lives.
:)
-Original Message-
From: Ken
, even if you
script it up.
From: Andrew S. Baker [mailto:asbz...@gmail.com]
Sent: Monday, January 07, 2013 12:08 PM
To: NT System Admin Issues
Subject: Re: Time sync
Yes, over subscribing can be an issue if you don't manage your capacity
properly.
It hasn't proved to be an issue in any
[mailto:asbz...@gmail.com]
*Sent:* Monday, January 07, 2013 12:08 PM
*To:* NT System Admin Issues
*Subject:* Re: Time sync
** **
Yes, over subscribing can be an issue if you don't manage your capacity
properly.
** **
It hasn't proved to be an issue in any of the environments where I have
that VMWare doesn't have.
That statement is patently untrue. That was the point I was trying to make.
Cheers
Ken
From: Ken Cornetet [mailto:ken.corne...@kimball.com]
Sent: Tuesday, 8 January 2013 12:31 AM
To: NT System Admin Issues
Subject: RE: Time sync
Lol, how many times do you need 64 vCPUs
System Admin Issues
Subject: RE: Time sync
How do you manage your capacity properly? I'm not being facetious - I really
want to know since it looks like we are switching to HyperV.
Microsoft's recommendation is to create thin disks for more than you ever think
you need. Then, when creating the OS
We run the product from Meinberg. It works very well except on HV guests.
On Fri, Jan 4, 2013 at 8:10 AM, Richard McClary
richard.mccl...@aspca.orgwrote:
Greetings!
** **
I’m sure I and many others have asked this (but are still stumped). Ken
S’s reply yesterday pointing to
System Admin Issues
Subject: Re: Time sync
We run the product from Meinberg. It works very well except on HV guests.
On Fri, Jan 4, 2013 at 8:10 AM, Richard McClary
richard.mccl...@aspca.orgmailto:richard.mccl...@aspca.org wrote:
Greetings!
I'm sure I and many others have asked
Here is how I do it.
I use the standard domain structure and have the PDC emulator sync to a good
outside source. But the one thing I added was a scheduled task on every server
that runs twice a day to stop and start the time service. That has helped
dramatically, I can't remember the last
How far is your drift? What it the tolerance for drift in the application?
Christopher Bodnar
Enterprise Architect I, Corporate Office of Technology:Enterprise
Architecture and Engineering Services
Tel 610-807-6459
3900 Burgess Place, Bethlehem, PA 18017
christopher_bod...@glic.com
Admin Issues
Subject: RE: Time sync
We run the Meinberg NTP port as well. We will soon start migrating from VMWare
(where the Meinberg NTP port works great) to HyperV. Care to elaborate on what
you mean by except on HV guests?
From: Eric Wittersheim [mailto:eric.wittersh...@gmail.com]
Sent: Friday
How much time skew are we talking about here? While MSFT will only
support w32tm accuracy within 1-2 seconds, in practice I have found it
to be stable within a tenth of a second or less, and would not feel
compelled to look into very-high-accuracy NTP clients for regular
non-scientific
To: NT System Admin Issues
Subject: RE: Time sync
Slightly OT, Ken, but why are you moving away from VM? Cost or
something else that HyperV gives you that VM doesn't?
Paul Chinnery
Network Admin
Memorial Medical Center
231.845.2319
From: Ken Cornetet [mailto:ken.corne
-Original Message-
From: Steve Kradel [mailto:skra...@zetetic.net]
Sent: Friday, January 04, 2013 10:32 AM
To: NT System Admin Issues
Subject: Re: Time sync
How much time skew are we talking about here? While MSFT will only support
w32tm accuracy within 1-2 seconds, in practice I
...@zetetic.net]
Sent: Friday, January 04, 2013 8:32 AM
To: NT System Admin Issues
Subject: Re: Time sync
How much time skew are we talking about here? While MSFT will only support
w32tm accuracy within 1-2 seconds, in practice I have found it to be stable
within a tenth of a second or less, and would
Subject: RE: Time sync
I was thinking the same thing. Actually IMHO VM still does more than Hyper-V
does...
Z
Edward E. Ziots, CISSP, Security +, Network +
Security Engineer
Lifespan Organization
ezi...@lifespan.orgmailto:ezi...@lifespan.org
From: Chinnery, Paul [mailto:pa...@mmcwm.com]
Sent: Friday
the Meinberg NTP port works great) to HyperV. Care to
elaborate on what you mean by “except on HV guests”?
** **
*From:* Eric Wittersheim [mailto:eric.wittersh...@gmail.com]
*Sent:* Friday, January 04, 2013 9:24 AM
*To:* NT System Admin Issues
*Subject:* Re: Time sync
** **
We run
, it's not all that clear.)
Thanks again
-Original Message-
From: Steve Kradel [mailto:skra...@zetetic.net]
Sent: Friday, January 04, 2013 10:32 AM
To: NT System Admin Issues
Subject: Re: Time sync
How much time skew are we talking about here? While MSFT will only support
hours? (At first skimming, it's not all that clear.)
Thanks again
-Original Message-
From: Steve Kradel [mailto:skra...@zetetic.net]
Sent: Friday, January 04, 2013 10:32 AM
To: NT System Admin Issues
Subject: Re: Time sync
How much time skew are we talking about here
with the DC every 1-2 hours? (At first skimming, it's not all that clear.)
Thanks again
-Original Message-
From: Steve Kradel [mailto:skra...@zetetic.net]
Sent: Friday, January 04, 2013 10:32 AM
To: NT System Admin Issues
Subject: Re: Time sync
How much time skew are we
timesource offset more then 100msec, It generate an e-mail alert.
De : Steven Peck [mailto:sep...@gmail.com]
Envoyé : 4 janvier 2013 16:25
À : NT System Admin Issues
Objet : Re: Time sync
Oh, I should mention the PBX gets time from the routers as well, etc. We
. Hypervisors
are almost commoditised, and will be within the next version or two.
Cheers
Ken
From: Ken Cornetet [mailto:ken.corne...@kimball.com]
Sent: Saturday, 5 January 2013 6:26 AM
To: NT System Admin Issues
Subject: RE: Time sync
Cost.
HyperV give something that VMWare doesn't? I laughed so hard I
w32time.exe is also available free from microsoft and handles NTP sources
... Joe
-Original Message-
From: Luberti, Carl [mailto:[EMAIL PROTECTED]]
Sent: Friday, September 28, 2001 11:08 AM
To: NT System Admin Issues
Subject: RE: Time Sync to outside NTP server in NT4
You'll need
W32Time
See the following:
http://www.ultratech-llc.com/KB/?File=TimeSync.TXT
- ASB
-Original Message-
From: Jesse Rink [mailto:[EMAIL PROTECTED]]
Sent: Friday, September 28, 2001 12:27 PM
To: NT System Admin Issues
Subject: Time Sync to outside NTP server in NT4
I know I can
Message-
From: Andrew Baker [mailto:[EMAIL PROTECTED]]
Sent: Friday, September 28, 2001 11:52 AM
To: NT System Admin Issues
Subject: RE: Time Sync to outside NTP server in NT4
W32Time
See the following:
http://www.ultratech-llc.com/KB/?File=TimeSync.TXT
- ASB
-Original Message
I have a perl script that I run from sql executive as a job to sync time
with bitsy.mit.edu
Jim
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