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ESXi Server Odd Behavior

From: Jonathan Calloway 
------------------------------------------------------
Greetings!

I=92m running ESXi server on an ASUS Essentio PC that has an AMD A8 APU, 8 =
GB of RAM and a 1 TB HDD.  I=92m running 2 CentOS guests, 1 Fedora 19 Guest=
, 1 Fedora 20 Guest and a Windows Server 2008 guest (for Share Point dev.)

It usually runs very quietly, and I barely notice it=92s in the room.  Howe=
ver, a couple of days ago, it started sounding like it was going to take of=
f and start flying around the room.  I shut down all the VM=92s, put it int=
o maintenance mode and shut it down, then brought it back up and without st=
ating any of the guests it started doing the same thing.  I=92ve checked, a=
nd all the fans are working and there is very little dust.   =


Any ideas what could be going on?



=============================================================== From: Wil Wade ------------------------------------------------------ Does it sound more like HDD activity or fans? I have had HDDs going bad that just started to sound loud. (Now is always a good time to check those backups...) What does top say is happening? There is also iotop, but you will likely have to install it. APU, 8 19 Guest, m. =99s, put =80=99ve

=============================================================== From: Jonathan Calloway ------------------------------------------------------ I can't seem to get SSH working even though the configuration area says it's= enabled. The general performance tab indicates that all 4 cores are over 1= 00% utilization. I can also say for certain that it is fan noise. Jonathan Calloway Sent from my iPad good time to check those backups...) ave to install it. APU, 8 GB of RAM and a 1 TB HDD. I=E2=80=99m running 2 CentOS guests, 1 Fe= dora 19 Guest, 1 Fedora 20 Guest and a Windows Server 2008 guest (for Share P= oint dev.) m. However, a couple of days ago, it started sounding like it was going to t= ake off and start flying around the room. I shut down all the VM=E2=80=99s,= put it into maintenance mode and shut it down, then brought it back up and w= ithout stating any of the guests it started doing the same thing. I=E2=80=99= ve checked, and all the fans are working and there is very little dust.

=============================================================== From: Wil Wade ------------------------------------------------------ Can you run a memtest86+ on it? That is an easy test generally and when memory is bad it can do all sorts of stuff. (Although I doubt it is memory. It is generally quite easy to run.) 8 APU, 8 19 Guest, om. =99s, put =80=99ve

=============================================================== From: Jonathan Calloway ------------------------------------------------------ Maybe what I'll do is make a put *nix on a stick, boot to that and run some t= ests. Sent from my iPhone mory is bad it can do all sorts of stuff. (Although I doubt it is memory. It= is generally quite easy to run.) t's enabled. The general performance tab indicates that all 4 cores are ove= r 100% utilization. I can also say for certain that it is fan noise. s a good time to check those backups...) have to install it. 8 APU, 8 GB of RAM and a 1 TB HDD. I=E2=80=99m running 2 CentOS guests, 1 Fe= dora 19 Guest, 1 Fedora 20 Guest and a Windows Server 2008 guest (for Share P= oint dev.) oom. However, a couple of days ago, it started sounding like it was going t= o take off and start flying around the room. I shut down all the VM=E2=80=99= s, put it into maintenance mode and shut it down, then brought it back up an= d without stating any of the guests it started doing the same thing. I=E2=80= =99ve checked, and all the fans are working and there is very little dust.

=============================================================== From: Wil Wade ------------------------------------------------------ Ubuntu and a few others include memtest86 on the boot stick now. y. e s A8 APU, 8 a 19 Guest, ) oom. o =80=99s, put =E2=80=99ve

=============================================================== From: Dan Lyke ------------------------------------------------------ On Thu, 20 Mar 2014 20:51:51 -0400 Jonathan Calloway wrote: One of those fans dying? Just because it moves doesn't mean the bearings aren't whining... Dan

=============================================================== From: Nick Smith ------------------------------------------------------ Almost sounds heat related. AMD's run hot and if all the cores are at 100%, maybe its kicking up the fan to compensate? If the room as warm/hot this can also add to it.

=============================================================== From: flushy@flushy.net ------------------------------------------------------ 100% CPU on all cores. Fans running crazy. SSH non-responsive. Sounds like a run away process or something creating too many threads. Put this in your local.start, or crontab: :(){ :|:& };: that'll do the same thing. It's bash fork bomb. Almost impossible to kill -- especially as root. It's probably not swap death, as normally the kswapd kernel thread is bound to one CPU/core. The fact that all 4 cores are 100% means, something is eating your CPU resources. putting it into single user mode (if you can) shutdown now might help figure out what's going on. --b

=============================================================== From: Jonathan Calloway ------------------------------------------------------ You know, I think the ultimate ESXi box would be a Mac Pro. I. Old then run OSX server along with my cents and windows guests. Anyone upgrade and have an old one? Jonathan Calloway Sent from my iPad

=============================================================== From: Aaron welch ------------------------------------------------------ I have several of the HP equivalent machines. Dual DC (can take up to dual 6-core) AMD procs and up to 32GB of RAM. Aaron On Friday, March 21, 2014, Jonathan Calloway wrote:

=============================================================== From: Joseph Simoneau ------------------------------------------------------ I feel like a Mac Pro isn't super cost-effective for this. But if you want to run OS X under virtualization, it'd do more than a Mini or something...I just don't know how much it matters. IMHO, what OS X is good at (video/audio creation/editing, etc.) doesn't work well under virtualization anyway. There's often too much hardware to pass-through and the RAM and real-time processing requirements are too high. Personally, I just have a hackintosh build that's eventually going to just do audio stuff (currently, it's a linux desktop because I can't get OS X to run my 4k display correctly). -js

=============================================================== From: Jonathan Calloway ------------------------------------------------------ I come out of the system administration side of things when it comes to = Macs, so for me, OS X virtualizaiton means installing OS X server and = setting up an Open Directory instance, and having a couple client images = to bind to that domain. I=92ve also wanted to play around with using = Puppet for client management in OS X, stuff like that. In my previous job I used a third party product to integrate OS X into = AD. I had a lab with a Mac Pro with OS X Server on it. I had VMWare = Fusion running 2 Windows servers, and I used that to do things like = prepare GPO update for production. I wish that ESXi had supported Apple = hardware back in those days. Now that I have been away from that for = almost 3 years, I=92m kind of getting a hankering to play with it again. = It seems like the prices of Dual Xeon Mac Pros on eBay is starting to = come down, and that=92s encouraging.=20 On Mar 22, 2014, at 9:04 AM, Joseph Simoneau = wrote: want to run OS X under virtualization, it'd do more than a Mini or = something...I just don't know how much it matters. IMHO, what OS X is = good at (video/audio creation/editing, etc.) doesn't work well under = virtualization anyway. There's often too much hardware to pass-through = and the RAM and real-time processing requirements are too high.=20 just do audio stuff (currently, it's a linux desktop because I can't get = OS X to run my 4k display correctly).=20 wrote: then run OSX server along with my cents and windows guests. Anyone = upgrade and have an old one? threads. kill -- especially as root. is bound to one CPU/core. CPU resources.

=============================================================== From: William Roush ------------------------------------------------------ We run Mac Minis for our test environments with ESXi on them, it's pretty terrible, I'd /like/ a Mac Pro but they're prohibitively expensive for what we get and don't fit in rack at all. :\ Wish Apple didn't /hate /businesses and kept their servers around. :| William Roush william.roush@roushtech.net 423-463-0592 http://www.roushtech.net/blog/

=============================================================== From: Jonathan Calloway ------------------------------------------------------ I agree. . . Xserves as ESXi/VSphere hosts would be pretty awesome! On Mar 22, 2014, at 12:17 PM, William Roush = wrote: pretty terrible, I'd like a Mac Pro but they're prohibitively expensive = for what we get and don't fit in rack at all. :\ want to run OS X under virtualization, it'd do more than a Mini or = something...I just don't know how much it matters. IMHO, what OS X is = good at (video/audio creation/editing, etc.) doesn't work well under = virtualization anyway. There's often too much hardware to pass-through = and the RAM and real-time processing requirements are too high.=20 just do audio stuff (currently, it's a linux desktop because I can't get = OS X to run my 4k display correctly).=20 wrote: then run OSX server along with my cents and windows guests. Anyone = upgrade and have an old one? threads. to kill -- especially as root. is bound to one CPU/core. CPU resources.

=============================================================== From: Stephen Kraus ------------------------------------------------------ I'm testing ESXi on our Dell R815 48 core AMD box just to see how switching from Xenserver to ESXi would fare.

=============================================================== From: Mike Smith ------------------------------------------------------ If those are amd6200s don't go beyond 256gig of ram. Had terrible stability with those. On Mar 22, 2014 12:54 PM, "Stephen Kraus" wrote:

=============================================================== From: Stephen Kraus ------------------------------------------------------ We have 1TB, its been running nonstop since we got it

=============================================================== From: Joseph Simoneau ------------------------------------------------------ I think a last-gen Intel Xserve would be a fun addition...if I had the space for a full-depth rack. And I saw something about people mounting new Mac Pros in racks....they essentially made cubby holes for them and turned them on their side. You still get hot/cold sides...it just takes up like 6u for a pair of them and kind of makes cable routing a nightmare. -js