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Re: Can't See Storage on BladeCenter S

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I've upgraded the firmware to 1.10.12 on the LSI controller but still no storage appearing.


Re: ESXi 5.0.0, 623860 and HP Procurve 2810-48G Teaming/Trunk

Mount Windows shared volume via ESXCLI?

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Is there a way of mounting a remote Windows shared volume using ESXCLI?  (ESXi 5.1)

 

I tried this (the volume is shared as "swlib" on the Windows server):

 

esxcli storage nfs add --host=192.168.123.12 --share=swlib --volume-name=SWLIB

 

but keep getting this result:

 

Sysinfo error on operation returned status : Unable to connect to NFS server.

 

Any tips on how to do this?

 

Thanks.

Re: Learing ESXi 5... how to view o/s on a workstation

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Hi Andre,

 

lol, I think im missing about 13 steps according to the docs

wow, i didn't think it would be this complicated or require so many other apps. Vcenter server doesn't seem to have a trial/eval version, so I'm going to have to learn some other way.

 

Thanks for you help.

Johnny

Re: Mount Windows shared volume via ESXCLI?

Re: ESXi 5 Storage DRS

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My question is there an advanced option that will change the algorithm for sdrs to look at the reported total / used space of the datastore via the NFS RPC call vs calculating used space per VM.

 

With dedupe, you can get ratios high enough that you have say 40% of a volume you can't use in a SDRS pod.

 

I'm hoping there is an option to say something like:

 

if (totalVMDKSizes < (datastoreTotal + spaceUtilizationConfig)):

    provisionVM

elif ((datastoreTotal - datastoreUsed) < (configuredUtilization and totalVMDKSize)):

    provisionVM

 

Basically do what it does now, and fall back to, "well, there is reported free space on one of the datastores per the NFS RPC usage, if the free space here is still less than the reported total space, lets go ahead and still provision a vm" <- Advanced Option you can set.

 

We are basically running into an issue where we have 1 POD / 2 Datastores with roughly 40% dedupe and 2TB per datastore sitting empty we can't use.

Re: Phantom Warning on vSphere 5 cluster

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Apologies if you've tried this already, but have you relaunched the vSphere client? Just asking because it sounds like a bug.

 

You shouldn't need to drill down to any other entities. If it's a vCenter alarm causing this, it'll be on the alarms tab under triggered alarms for the cluster itself, and if it's a configuration issue, it'll show at the top of the summary tab for the cluster itself. If you've ruled out both of those, you might review the cluster events and see if anything stands out.

Re: "Best" Practice with Configuring iSCSI with VNX and Cisco UCS

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Andrew - After much discussion we ended up using only 2 NICs for iSCSI traffic from the vSphere Host.  Attached is a diagram that outlines how we implemented the solution. We talked to VMware and they informed me that only up to 2 NICs for Software iSCSI was supported.  This might be mentioned some where but I must have missed that.

 

We have not experienced the problems you are talking about.  Our solution seems to be working just fine.

 

I have set up UCS/VMware/iSCSI solutions that use an upstream network swtch for both LAN and iSCSI traffic and I have implemented these solutions where the iSCSI storage is directly connected to the UCS Fabric Interconnects using the Appliance Port features.  Both ways seem to work just fine.  However if I have the flexibility, I prefer to direct connect the storage to eliminate any extra hops and/or network complexities.

 

Hope this helps.


Windows 2003 R2 32-bit on DOMAIN not working on ESXi 5.1...

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So has anyone else noticed this problem and found a way to resolve?

 

Basically I had 5 Windows 2003 R2 32 bit virtual machines running on our DOMAIN under VMware ESXi 5.0 - RETAIL PAID/NOT FREE.

 

Now we decided to upgrade to ESXi 5.1 and now NONE of the Windows 2003 machines can be found on the DOMAIN.

 

Are the machines working? YES Can the machines access the internet? YES Did I change anything during the upgrade? NO

 

Basically the VMs were exactly the same BEFORE/AFTER and the only thing upgraded was the Machine version and VMware tools, since ESXi 5.1 has a newer version but all other machines continued to work - Ubuntu, Windows 2008, Windows 8, Windows 2012 - but all the Windows 2003 machines are unable to regiser with the DOMAIN for some reason.

 

I can ping the DNS from the VM itself and it resolves properly, both LONG and SHORT name. i.e. QA-QTP-Test01  / QA -QTP-Test01.americas.corp.com

 

So basically no one else on the network can find these machines although it worked previously on ESXi 5.0.

 

I even went as far as creating a separate server that runs ESXi 5.0 and moved those specific machines BACK to the other machine with NO CHANGES and now they started working.

 

So now I changed machine version, NIC type, etc but NOTHING I do can make the Windows 2003 Machines work under ESXi 5.1.

 

This ONLY seems to affect DOMAIN registration, because otherwise you can access them directly via IP, RDP, Windows File Share, etc but you cannot use the DOMAIN name although it works under ESXi 5.0 which means 5.1 has a "bug".

 

 

Anyone else run this test or am I the first one?

Intermitent network disconnect in VM using E1000E NIC

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Hi,

 

We just installed three new Windows Server 2012 and one new Windows 8 VMs on ESXi 5.1. On those VMs, we get a lot of errors in the System Event log about network disconnects. According to the logs, the network disconnects for about one second as we get another event saying that a network connection was established at 1 Gbps just after. Just on the day of January 28, this problem occured 85 times on a single server VM.

 

Those VMs are using the recommended E1000E NIC with vmx-09 hardware version. The Tools are installed and are current. All VMs are connected to the same vSwitch which has a dedicated physical port to the gigabit network switch (no NIC teaming and no VLAN tagging). The VMs are running from the same datastore that uses local disks setup in RAID 10 with a hardware RAID controller (LSI 2108 chipset).

 

Of course, when the alledged disconnect occurs, Windows shuts down momentarily network bound services (such as NetBIOS Helper service) and brings it back right away when the reconnection occurs. This annoying problem also causes interruptions in file transfers on network shares, so it is not just a harmless error that can be ignored.

 

Here is an example of the disconnect event:

 

Log Name:      System
Source:        e1iexpress
Date:          2013-01-29 10:53:13
Event ID:      27
Task Category: None
Level:         Warning
Keywords:      Classic
User:          N/A
Computer:      --- censored by me! ---
Description:
Intel(R) 82574L Gigabit Network Connection
Network link is disconnected.

 

Here is the reconnection 1 second later:

 

Log Name:      System
Source:        e1iexpress
Date:          2013-01-29 10:53:14
Event ID:      32
Task Category: None
Level:         Information
Keywords:      Classic
User:          N/A
Computer:      --- censored by me! ---
Description:
Intel(R) 82574L Gigabit Network Connection
Network link has been established at 1Gbps full duplex.

 

 

Here are some interesting facts about this problem:

  • We checked the physical link to the host and everything is fine. We don't have any disconnection reported by the host or the switch.
  • The problem occurs in all VM which have E1000E NIC, but not at the same time.
  • Changing the VM NIC type to E1000 solves the problem: no more network disconnection reported by the VM and file transfers are not interrupted anymore.
  • The disconnects are not evenly spaced in time. It may occur many times in the same minute and then nothing for more than an hour.

 

Has anyone had this kind of problem before? Any clue about what may be the cause?

 

We can still use the workaround we found and change the NICs to E1000 but it is not the one recommended for Windows 8 and Windows Server 2012.

 

Thanks for your help!

Re: IP Address for ESXi Hosts are incorrect in Unisphere Manager ?

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I have tried your suggestion but still doesn't work.

 

Finally, I use the vitual switch attached to vmk0 for Management and recreate another one for vMotion.  The problem is fixed.

 

Thanks

Re: Datastore Creation with One LUN or Multiple LUNs?

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From Administrative point of view, I like the simplicity of single LUN per Datastore. Also take note while using extents the metadata is stored on first LUN so if you lose the first LUN you have lost the whole Datastore. Extents can give you advantage by providing additional queues per Datastore but still I think the operational simplicity outweighs this benefit.

 

..hth!

Re: IP Address for ESXi Hosts are incorrect in Unisphere Manager ?

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I use the vitual switch attached to vmk0 for Management and recreate another one for vMotion.  The problem is fixed.

Thats great news.. Congrats on the same. Hope that the vmks dont get interchanged again

Re: Mount Windows shared volume via ESXCLI?

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Thanks for the reply. I forgot to mention that the Windows server is 2008 R2, which does not support Windows Services for Unix, as far as I can tell.

 

Is there a way to share the folder from 2008 server?

Re: Mount Windows shared volume via ESXCLI?

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the article mentioned by memaad shows how to enable NFS services on Windows and mount on ESXi hosts.

 

I have created a small video in the past to mount the NFS share which is running on Windows to ESXi. You can check that here


Re: Windows 2003 R2 32-bit on DOMAIN not working on ESXi 5.1...

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Exactly...!!!

 

I tried after seeing your post and found that 2003 was dropped from domain. Inside the guest OS it shows that the system is in domain. But the OS is not communicating with AD.

 

 

Edit: I did not upgrade the VM hardware nor did I update VMware Tools. But is that really required?? I doubt!!

Re: Intermitent network disconnect in VM using E1000E NIC

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Try changing the NIC's network adapter link speed from auto negotiate to manuall as per your requirement to 100 MBps or 1000 MBPS.

 

This might solve your issue.

Re: Windows 2003 R2 32-bit on DOMAIN not working on ESXi 5.1...

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Its unlikely that the vSphere version is the reason for the AD stopped working, its more likely dns or security-policy.

Is there any error in the event-logs?

What happends if you remove a machine from the domain and add it again?

Also verify that you local dns is working properly and that all servers are pointing to it.

 

// Linjo

Re: Yet another question about CPU Scheduling

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I finally completly get it!!! Thank you very much for such an "easy to understand" explanation and your good humor!

 

I will read carefully the lasts links (yes, even wikipedia ).

 

Thanks again!

elgreco81

How much is too much?

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Hi,

 

I'm looking at the following 2 virtual disk counters in vCenter to monitor disk commands for a VM:

 

average read requesrs per second

average write requests per secons

 

the maximum i'm getting for the VMDK is "4.5" for both read and write...

 

what are the basis/factors for me to say "the number 4.5 is low or high"?

 

We are using a SAN and IOPS at the datastore level are not exceeding 20 persecond for the reported period. However, my understanding is that the VMWARE counters above are different from IOPS as they are commands sent for the ESXi host to the virtual disk...

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