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3

Windows 8/8.1 does not have such a high constant base load, neither on physical nor on virtual machines. I have seen similar issues caused by software installations that corrupt the WMI stack (Unfortunately this is very hard to diagnose and fix), or maybe it is just caused by Antivirus software. Check what processes and/or services are causing the CPU ...


3

In addition to Mark Henderson's comment you may also want to check out the Optimization Guide for Windows 7 and Windows 8 Virtual Desktops in Horizon with View @ VMware.com and follow most of those optimizations which may cut down on CPU usage, and will for sure cut down on disks I/O because desktop OSes are far more I/O intensive if left unchanged than ...


0

Have you checked whether there are any display-related settings in the BIOS? It might be possible to disable the display port completely, or switch the DP/VGA priority.


2

In vSphere 5.5 and greater, this is easily accomplished from the vSphere Web Client interface by clicking the Suppress Warning link to the right of the warning text...


0

If I understand correctly, your desired network is: +----------+ +-----+ +---------+ <--inet--+ VN_front +--+ br0 +--+ VN_back | +--+-------+ +-----+ +------+--+ | | | | +--+----------+ +----------+--+ | VM | | VM ...


1

There's no 1:1 relationship between vNICs and pNICs. The vNIC is connected to a port group on a virtual switch which uses physical NICs as uplinks. (Generally, but it doesn't have to. But then your VMs don't have acces to the physical network.) Maybe this picture helps: You'll have to look at your (distributed) vSwitch to know what physical NICs are used ...


0

Use the following filter on tcpdump to check the source address for CARP requests: tcpdump -pni em0 vrrp After you enable net.reversePathFwsCheckPromisc flag, you have to disable and reenable the promiscuous mode to activate.


0

To mark it as answered I repeat my comment above as an answer here: I found the issue and its solution, it is strange, but the following operation helped: before installing ESXi I booted from linux live cd and checked all my disks. If did full read/write test to the disk it did not have errors after during install. So I went and wiped all drives and ...


0

You mentioned: I have been unable to find a 30 minute session timeout which I can tweak in the script. I attempted to remove or increase the Web Session Timeout in PowerCLI without success:> Please try this, as it looks like the timeout from the vcenter host itself. vpxd.cfg file To configure the timeout and maximum number of sessions: ...


0

1) If the 2 are connected via FC why would an IP change matter? There's no reason that would happen, as changing the SAN array management IP should have zero impact on the FC paths 2) Why didn't everything show up after I switched the MSA back to .101 I genuinely don't know, this is very unusual behaviour - does the MSA still think it's presenting ...


4

My experience with ESXi AD integration (actually Likewise) is it can be flaky. It's probably fine for small, simple topologies, but it can fall down with more complex, distributed topologies. In every case for me, a vanilla computer can join or authenticate with AD just fine using the same connection or network segment when ESXi is exhibiting issues. ...


4

ESXi (just like any other system) will always allow local authentication (i.e. the local root user and any local user account you created) when other authentication methods are unavailable; if you have local credentials, you'll always be able to login to an ESXi server, even if vCenter, AD, or whatever else is not available. Documentation: ...


2

Try this from the command line: racadm racresetcfg If you have the DRAC tools installed, it'll reset your DRAC to factory defaults. If it fails, you're stuck rebooting the server.


3

I'm going to post a view from the vendor's side. We had this customer that had this recurrent problem where the performance of the software would drop off every few hours or so to some truly abysmal rate then come back a few hours later. The bulitin profiler in the system indicated the system CPU (or possibly memory) speed was disgustingly slow, something ...


4

Will ESXi 5.5 in standalone mode (free) support fibre channel SAN? Yes


-2

I would suggest a very different approach to the ones mentioned so far. Before argueing with the vendor, why not look more closely at the problem reported and see what that tells you. What are the actual problems being reported and what are the users expectations. If a user is saying something "take too long", ask them exactly what 'it' is (so you can ...


4

I'll throw in my two cents. We've been pretty successful with this approach -- much better outcomes and less frustration on everyone's part. It requires a lot more effort than the blame-game and blindly adding resources, but it also has better chances of finding the underlying problem. When we have serious issues with our on-premise apps that are backed ...


15

For this specific situation (where you have VMware and application developers or a third party who does not understand resource allocation), I use a week's worth of metrics obtained from vCenter Operations Manager (vCops - download a demo if needed) to pinpoint the real constraints, bottlenecks and sizing requirements of the application's VM(s). Sometimes, ...


62

Providing you are confident you are within the given system specs they document. Then any claim they are making in regards to requiring more RAM or CPU they should be able to back up. As the experts in their system I hold people to account on this. Ask them specifics. What information provided on the system indicates more RAM is needed and how did you ...


8

I used to work in support - and part of what you're asking sounds highly rational (and probably is): but there are a few questions to ask yourself prior to just doing the "performance enhancement" they're requesting are you running at least at the vendor's stated minimum system requirements already? if you're at least at minimum sysreqs, are you already at ...


3

The real question is, who is in charge here? If you can't realistically switch to an alternative vendor, then they have the power, and all you can really do is go along with whatever they say and hope it will work out. Not a happy situation! Otherwise, I suggest you ask for another rep (as others have said), but make it clear you are not happy with the ...


8

Either ask to escalate the ticket or ask for a different rep. Depending on which vendor it is escalation may help if you say that you feel that the current level of support doesn't adequately address the issue. If they will not escalate then asking for a different rep may help because that requires much less "justification" since all it needs is to not be ...


17

The big thing is to be able to prove that you are using best practices for your system allocation, notably RAM and CPU reservations for your SQL server. All this being said the easiest thing is to make the adjustments requested, at least temporarily. If nothing else it tends to get vendors over feet dragging. I can't count the number of times I've needed ...


83

I suggest that you make the adjustments they have requested. Then benchmark the performance to show them that it made no difference. You could even go so far to benchmark it with LESS memory and vCPU to make your point. Also, "We're paying you to support the software with actual solutions, not guesswork."


4

We had this problem, too. We assumed that it had to do with the virtual PCI slots the vNICs were in. Iirc, the first three vNICs were fine but with more the order of the eth's was weird. We never really fixed this because we were able to get rid of VMs with so many vNICs soon. I don't know Ubuntu but look if there's a file named something with "persistent" ...


4

Two ways I learned were: You can look at the MAC address on the network settings on vmware for each NIC and do a ifconfig to check them against at the console. If you have six lines disconnect 5 of them this way. First edit the profile and highlight the Network Adapter 1 thru 5. Under the settings and uncheck the "connect" button. Then: cd /sys/class/net ...


0

The (only?) possible answer to this conundrum is: Get a USB->Serial adaptor, and pass it through to a guest VM, and use your terminal emulator on the VM. If you end up "on site" and need to talk to the ASA, you can then just unplug the USB dongle and plug it into your laptop. Whether this will actually be useful depends entirely on many variables that are ...


1

ESXi will run from a USB stick, that is probably the easiest way. It won't be straightforward to dual boot just like an OS from the harddrive because it uses multiple partitions set up in a certain way, rather than a single booting partition.


6

You can limit the IP addresses permitted through the ESXi firewall. http://pubs.vmware.com/vsphere-50/index.jsp?topic=%2Fcom.vmware.vcli.examples.doc_50%2Fcli_manage_networks.11.11.html That is really all you need to harden it. Locking your management down to specific IP addresses is very secure. Naturally follow the other best practices re passwords etc ...


2

Use the ESXi builtin firewall to close down unneeded ports and limit access to the open ones to a range of known IP addresses. This might be challenging if you do not use a fixed external IP address at home (like most people), so you may end up restricting access to the addresses of some other servers that you have on the Internet.


-1

Why would you run ESX on the public net? Can't you just use the pfSense FW as the "public endpoint" and make everything else private? This is how I would do it.


1

Snapshotting a VM means that the original VMDKs are fixed, all changes will go to a diff file. So you would have to copy the VMDK files themselves. (As far as I know there are two: A vmdk file describing the virtual disk and a "flat" file containing the data.) However, I would consider this a pretty crude and unprofessional way to do backups of VMs. It ...


3

It will be pretty useless and you won't be able to transport a snapshot to another system for use. They depend entirely on the original VMDK's. Again, this isn't the purpose of VMware snapshots. They're really meant to be temporary and have major implications for storage performance and disk space.


5

This particular alert can be controlled in the Advanced Settings under the Configuration tab for the host in question. Once there, go to the UserVars category and scroll down to UserVars.SuppressShellWarning. Change the value from 0 to 1, and you will no longer be warned that the host in question is allowing SSH access.


2

Rsyncing a single file is not a backup solution, what do you do when something happened to the vm and files were deleted, but you only noticed this after your rsync has run again? You will have overwritten the good 'backup' of your files with the bad image now. If you want backup you need to keep the old versions somewhere, or the diff's. Rsync will only ...


1

If this is a NetApp (or any other NFS server), be sure that the NFS best-practices for the ESXi host configurations are in place. For NFS deployments, I always make some adjustments to NFS heartbeat and timeout settings. That may apply in your case. Check with your storage engineer to see what the specific recommendations for your unit are.


0

Try this Set-PowerCLIConfiguration -Scope Session -WebOperationTimeoutSeconds -1 Credit


0

Yes, by using a "vShpere 5 Distributed Switch." See http://blogs.vmware.com/vsphere/2011/08/vsphere-5-new-networking-features-port-mirroring.html Port mirroring provides visibility into • Intrahost virtual machine traffic (virtual machine–to–virtual machine traffic on the same host)


2

Do we need VCenter to do upgrades or manage the host? No, you don't need vCenter to do those things. If you have multiple ESXi Hosts you want to manage centrally, you can use vCenter to do this (licensing involved). If you just have one ESXi host running VMs and you need to upgrade to 5.5, you can do so by downloaded the appropriate version and copy to ...


7

This is because thin-provisioned files in ESXi are sparse files. The method you're using to move them around won't preserve that thin attribute. There are ways around this. Please see: Move VMware ESXi VM to new datastore - preserve thin-provisioning


14

That hundred gig file is a sparse file - there's nothing in it, the filesystem simply knows that's the intended size. You can see the real size in the vSphere client: ..despite the apparent size when you're looking at the raw files.. The problem you're having is that you're removing that file from the VMFS filesystem. Wherever it's going and however ...


4

I think, it was just an I/O timeout. I had such issues with Linux VMs on remote NFS datastore. NFS was just too slow, and some of our Linux VMs switched their disks into read-only mode (and therefore stopped responding). Probably, during resize your NFS datastore was overloaded and this caused issues. Do Linux VMs work fine after reboot? To avoid such ...


1

maybe I'm oversimplifying, but did you check if sshd is running on server 10.0.1.26? $ /sbin/service sshd status see: http://docs.oracle.com/cd/E18930_01/html/821-2426/gksja.html#gksrd


4

I used to do just this a few years back. (edit: with VMWare running on CentOS hosts, not ESXi admittedly) Every night I had a script that would suspend a VM, rsync the files from disk to the backup server and then start the VMs again. It worked quite well except... Rsync doesn't work very well with a 2GB file. Its not because rsync isn't brilliant, it ...


23

Because the transfer speeds out of the ESXi console are purposefully limited. Because this isn't scalable in any way. Because you'd have to drop a statically-compiled rsync binary onto the ESXi host. Because the VMs, the VMDKs, their ramdisk files and other components can change enough to make rsync a losing proposition... do you really want to re-sync a ...


1

If you're trying to configure the ASA from the ESXi host (or a guest), how exactly do you propose to get into the ESXi host or guest? I'm assuming that the ASA is the gateway for the server. So if the ASA is down/not configured properly, you won't be getting into the server, either. The opener is in the box, sorry to say. If your actual goal is to ...


0

You can tri XSIBackup, it is an Open Source solution. It makes scheduled hot backups, it has its own crontab and even lets you mirror to a second ESXi box. For ESXi 5.1 and above only. https://sourceforge.net/projects/xsibackup/



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