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• NFS issue brings down entire vSphere ESX estate

  - by growse

  I experienced an odd issue this morning where an NFS issue appeared to have taken down the majority of my VMs hosted on a small vSphere 5.0 estate. The infrastructure itself is 4x IBM HS21 blades running around 20 VMs. The storage is provided by a single HP X1600 array with attached D2700 chassis running Solaris 11. There's a couple of storage pools on this which are exposed over NFS for the storage of the VM files, and some iSCSI LUNs for things like MSCS shared disks. Normally, this is pretty stable, but I appreciate the lack of resiliancy in having a single X1600 doing all the storage. This morning, in the logs of each ESX host, at around 0521 GMT I saw a lot of entries like this: 2011-11-30T05:21:54.161Z cpu2:2050)NFSLock: 608: Stop accessing fd 0x41000a4cf9a8 3 2011-11-30T05:21:54.161Z cpu2:2050)NFSLock: 608: Stop accessing fd 0x41000a4dc9e8 3 2011-11-30T05:21:54.161Z cpu2:2050)NFSLock: 608: Stop accessing fd 0x41000a4d3fa8 3 2011-11-30T05:21:54.161Z cpu2:2050)NFSLock: 608: Stop accessing fd 0x41000a4de0a8 3 [....] 2011-11-30T06:16:07.042Z cpu0:2058)WARNING: NFS: 283: Lost connection to the server 10.13.111.197 mount point /sastank/VMStorage, mounted as f0342e1c-19be66b5-0000-000000000000 ("SAStank") 2011-11-30T06:17:01.459Z cpu2:4011)NFS: 292: Restored connection to the server 10.13.111.197 mount point /sastank/VMStorage, mounted as f0342e1c-19be66b5-0000-000000000000 ("SAStank") 2011-11-30T06:25:17.887Z cpu3:2051)NFSLock: 608: Stop accessing fd 0x41000a4c2b28 3 2011-11-30T06:27:16.063Z cpu3:4011)NFSLock: 568: Start accessing fd 0x41000a4d8928 again 2011-11-30T06:35:30.827Z cpu1:2058)WARNING: NFS: 283: Lost connection to the server 10.13.111.197 mount point /tank/ISO, mounted as 5acdbb3e-410e56e3-0000-000000000000 ("ISO (1)") 2011-11-30T06:36:37.953Z cpu6:2054)NFS: 292: Restored connection to the server 10.13.111.197 mount point /tank/ISO, mounted as 5acdbb3e-410e56e3-0000-000000000000 ("ISO (1)") 2011-11-30T06:40:08.242Z cpu6:2054)NFSLock: 608: Stop accessing fd 0x41000a4c3e68 3 2011-11-30T06:40:34.647Z cpu3:2051)NFSLock: 568: Start accessing fd 0x41000a4d8928 again 2011-11-30T06:44:42.663Z cpu1:2058)WARNING: NFS: 283: Lost connection to the server 10.13.111.197 mount point /sastank/VMStorage, mounted as f0342e1c-19be66b5-0000-000000000000 ("SAStank") 2011-11-30T06:44:53.973Z cpu0:4011)NFS: 292: Restored connection to the server 10.13.111.197 mount point /sastank/VMStorage, mounted as f0342e1c-19be66b5-0000-000000000000 ("SAStank") 2011-11-30T06:51:28.296Z cpu5:2058)NFSLock: 608: Stop accessing fd 0x41000ae3c528 3 2011-11-30T06:51:44.024Z cpu4:2052)NFSLock: 568: Start accessing fd 0x41000ae3b8e8 again 2011-11-30T06:56:30.758Z cpu4:2058)WARNING: NFS: 283: Lost connection to the server 10.13.111.197 mount point /sastank/VMStorage, mounted as f0342e1c-19be66b5-0000-000000000000 ("SAStank") 2011-11-30T06:56:53.389Z cpu7:2055)NFS: 292: Restored connection to the server 10.13.111.197 mount point /sastank/VMStorage, mounted as f0342e1c-19be66b5-0000-000000000000 ("SAStank") 2011-11-30T07:01:50.350Z cpu6:2054)ScsiDeviceIO: 2316: Cmd(0x41240072bc80) 0x12, CmdSN 0x9803 to dev "naa.600508e000000000505c16815a36c50d" failed H:0x0 D:0x2 P:0x0 Valid sense data: 0x5 0x24 0x0. 2011-11-30T07:03:48.449Z cpu3:2051)NFSLock: 608: Stop accessing fd 0x41000ae46b68 3 2011-11-30T07:03:57.318Z cpu4:4009)NFSLock: 568: Start accessing fd 0x41000ae48228 again (I've put a complete dump from one of the hosts on pastebin: http://pastebin.com/Vn60wgTt) When I got in the office at 9am, I saw various failures and alarms and troubleshooted the issue. It turned out that pretty much all of the VMs were inaccessible, and that the ESX hosts either were describing each VM as 'powered off', 'powered on', or 'unavailable'. The VMs described as 'powered on' where not in any way reachable or responding to pings, so this may be lies. There's absolutely no indication on the X1600 that anything was awry, and nothing on the switches to indicate any loss of connectivity. I only managed to resolve the issue by rebooting the ESX hosts in turn. I have a number of questions: What the hell happened? If this was a temporary NFS failure, why did it put the ESX hosts into a state from which a reboot was the only recovery? In the future, when the NFS server goes a little off-piste, what would be the best approach to add some resilience? I've been looking at budgeting for next year and potentially have budget to purchase another X1600/D2700/disks, would an identical mirrored disk setup help to mitigate these sorts of failures automatically? Edit (Added requested details) To expand with some details as requested: The X1600 has 12x 1TB disks lumped together in mirrored pairs as tank, and the D2700 (connected with a mini SAS cable) has 12x 300GB 10k SAS disks lumped together in mirrored pairs as sastank zpool status pool: rpool state: ONLINE scan: none requested config: NAME STATE READ WRITE CKSUM rpool ONLINE 0 0 0 c7t0d0s0 ONLINE 0 0 0 errors: No known data errors pool: sastank state: ONLINE scan: scrub repaired 0 in 74h21m with 0 errors on Wed Nov 30 02:51:58 2011 config: NAME STATE READ WRITE CKSUM sastank ONLINE 0 0 0 mirror-0 ONLINE 0 0 0 c7t14d0 ONLINE 0 0 0 c7t15d0 ONLINE 0 0 0 mirror-1 ONLINE 0 0 0 c7t16d0 ONLINE 0 0 0 c7t17d0 ONLINE 0 0 0 mirror-2 ONLINE 0 0 0 c7t18d0 ONLINE 0 0 0 c7t19d0 ONLINE 0 0 0 mirror-3 ONLINE 0 0 0 c7t20d0 ONLINE 0 0 0 c7t21d0 ONLINE 0 0 0 mirror-4 ONLINE 0 0 0 c7t22d0 ONLINE 0 0 0 c7t23d0 ONLINE 0 0 0 mirror-5 ONLINE 0 0 0 c7t24d0 ONLINE 0 0 0 c7t25d0 ONLINE 0 0 0 errors: No known data errors pool: tank state: ONLINE scan: scrub repaired 0 in 17h28m with 0 errors on Mon Nov 28 17:58:19 2011 config: NAME STATE READ WRITE CKSUM tank ONLINE 0 0 0 mirror-0 ONLINE 0 0 0 c7t1d0 ONLINE 0 0 0 c7t2d0 ONLINE 0 0 0 mirror-1 ONLINE 0 0 0 c7t3d0 ONLINE 0 0 0 c7t4d0 ONLINE 0 0 0 mirror-2 ONLINE 0 0 0 c7t5d0 ONLINE 0 0 0 c7t6d0 ONLINE 0 0 0 mirror-3 ONLINE 0 0 0 c7t8d0 ONLINE 0 0 0 c7t9d0 ONLINE 0 0 0 mirror-4 ONLINE 0 0 0 c7t10d0 ONLINE 0 0 0 c7t11d0 ONLINE 0 0 0 mirror-5 ONLINE 0 0 0 c7t12d0 ONLINE 0 0 0 c7t13d0 ONLINE 0 0 0 errors: No known data errors The filesystem exposed over NFS for the primary datastore is sastank/VMStorage zfs list NAME USED AVAIL REFER MOUNTPOINT rpool 45.1G 13.4G 92.5K /rpool rpool/ROOT 2.28G 13.4G 31K legacy rpool/ROOT/solaris 2.28G 13.4G 2.19G / rpool/dump 15.0G 13.4G 15.0G - rpool/export 11.9G 13.4G 32K /export rpool/export/home 11.9G 13.4G 32K /export/home rpool/export/home/andrew 11.9G 13.4G 11.9G /export/home/andrew rpool/swap 15.9G 29.2G 123M - sastank 1.08T 536G 33K /sastank sastank/VMStorage 1.01T 536G 1.01T /sastank/VMStorage sastank/comstar 71.7G 536G 31K /sastank/comstar sastank/comstar/sql_tempdb 6.31G 536G 6.31G - sastank/comstar/sql_tx_data 65.4G 536G 65.4G - tank 4.79T 578G 42K /tank tank/FTP 269G 578G 269G /tank/FTP tank/ISO 28.8G 578G 25.9G /tank/ISO tank/backupstage 2.64T 578G 2.49T /tank/backupstage tank/cifs 301G 578G 297G /tank/cifs tank/comstar 1.54T 578G 31K /tank/comstar tank/comstar/msdtc 1.07G 579G 32.8M - tank/comstar/quorum 577M 578G 47.9M - tank/comstar/sqldata 1.54T 886G 304G - tank/comstar/vsphere_lun 2.09G 580G 22.2M - tank/mcs-asset-repository 7.01M 578G 6.99M /tank/mcs-asset-repository tank/mscs-quorum 55K 578G 36K /tank/mscs-quorum tank/sccm 16.1G 578G 12.8G /tank/sccm As for the networking, all connections between the X1600, the Blades and the switch are either LACP or Etherchannel bonded 2x 1Gbit links. Switch is a single Cisco 3750. Storage traffic sits on its own VLAN segregated from VM machine traffic.

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• vCenter Server: This host currently has no management network redundancy

  - by goober

  Background I'm on a new VMWare install consisting of: 1 vCenter Server (containing inventory service, SSO, vCenter server, and web client server) 2 ESX Servers configured in a HA group Problem When a I view the summary for any one of my servers, I receive a notice: "" This is expected in our scenario and we're okay with it. Attempted Solutions As I understand from this article and this discussion, the proper way to remove the error message is to ignore it via setting the "das.ignoreRedundantNetWarning" propery to "true". I took the following steps: Logged into vCenter Right-clicked on my HA cluster and chose "Edit Settings..." Clicked "vSphere HA" section Clicked "Advanced Options..." Added the "das.ignoreRedundantNetWarning" option with a value of "true". Question How do I get this error to go away, and are there any reasons why adding this option may not have worked? References Network redundancy message when configuring VMware High Availability in vCenter Server [VMWare KnowledgeBase] How remove a notice " has no management network redundant" [VMWare Community]

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• VMXNET3 nic loses the ability to update ARP table after N hours

  - by Peter

  I have a fedora 18 VM that stops updating the arp table on eth1 after running for a number of hours to days. There are other VMs on the same hypervisor that can access all of the same networks without issue. A tcpdump of the offending NIC shows only ARP broadcasts but no responses. None of the other VMs on the vDS see the ARP broadcasts from the offending NIC. The only way I can currently solve the problem is to reboot the VM and then everything works for a while. I've tried changing the port on the vDS and even flipping the network configurations after I lose eth1's ARP table, but the ARP problem follows eth1 but I can access the machines that were originally on eth1. If I statically add the arp entries for machines on the same subnet I have no problems with connectivity. The Hypervisor is an HP BL49X series with flex-10 network modules. Has anyone seen anything like this before?

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• vCenter 5.1 SSO Configuration option not available in Web Client?

  - by goober

  Problem I just finished separately installing vCenter Server 5.1. I installed the components separately but on the same machine using a local SQL 2008 R2 DB (not SQL express). Everything appears to be working correctly with the exception of SSO. It doesn't find the AD server. This is to be expected (see below) but I don't know how to fix it. Potential Leads / Steps taken During the install of SSO, I was logged on as a local administrator (waiting on central IT dept to create a service account). As a result, I received a message saying that SSO wouldn't be able to automatically locate the AD. (fair eonugh) After I read up on it a little bit, I believed I could go into the SSO Configuration option in the Web client, like so: However, what I actually see is: I also notice that the "SSO Users and Groups" entry is not there. Betting that has something to do with it as well. Question How can I get the "Configure" Option to show up for SSO? Overall goal: How can I manually enter the AD server in this scenario while logged in as a local administrator? References VMWare vCenter 5.1 Installation: Part 9 (Optional SSO Configuration) [Derek Seaman's Blog] (used the image of correct configuration menu)

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• Loss of feature set with VMware EVC

  - by Peter

  If I have two machines both 3rd Generation AMD Opteron, one Shanghai & one Istanbul and I can vMotion between them. Does it buy me anything to enable EVC at the 3rd Generation AMD level? Will I lose any CPU features? My thoughts are, I can enable EVC 3rd Generation with running VMs and I can't enable 2nd Generation EVC with running VMs. I figure there won't be a lose in any features because if there was a reduction in feature set then I couldn't enable EVC with running VMs.

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• Why VM snapshots are affecting performance?

  - by Samselvaprabu

  I read in one of the VMware KB article says that snapshots will directly proportional to VM performance. But my team keep asking me how snapshots can affect performance. I would like to give them solid reason behind the statement that snapshots are performance killers. Can any one explain a little bit theory behind why actually snapshots are affecting the performance? Is it just because Disk I/O rate of hard disk would be slow?

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• Migrate OS Install to VMWare Virtual Machine

  - by rockinthesixstring

  I have Windows Server 2003 installed on my server. I'd really like to be running it via VMWare EXSi as a virtual machine, but I don't what to have to reconfigure the whole deal. Is there a relatively painless way to move it to a virtual machine? It will be staying on the same box with the exact same hardware... nothing changes. Thoughts?

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• SNMP - Value of CPU processor load not reflecting reality

  - by Ovesh

  Trying to plot CPU load on my server, with the following hardware: ProLiant DL360p Gen8 (same behavior on ProLiant DL360 G7). The machine is running VMWare ESXi5.1 To create a CPU spike I run dd if=/dev/zero of=/dev/null, and I know the CPU is overloaded, because I can see a correlating spike in the graphs displayed on vCenter. However, running this snmpwalk: snmpwalk -v 1 -c ******** 192.168.MY_IP 1.3.6.1.2.1.25.3.3.1.2 Shows the following results: iso.3.6.1.2.1.25.3.3.1.2.1 = INTEGER: 3 iso.3.6.1.2.1.25.3.3.1.2.2 = INTEGER: 2 iso.3.6.1.2.1.25.3.3.1.2.3 = INTEGER: 2 iso.3.6.1.2.1.25.3.3.1.2.4 = INTEGER: 3 Am I not looking into the right MIB? Should I be multiplying these by a constant? By the way, using HP Agentless Monitoring I was able to get some cpu stats, but not what I'm looking for, at least nothing I could find wading through these MIBs.

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• Crazy VM clock drift

  - by SimonJGreen

  This is taken from an Ubuntu 10.10 VM running on ESX5: Nov 3 21:58:50 server1 ntpd[21169]: adjusting local clock by 31.187370s Nov 3 22:02:36 server1 ntpd[21169]: adjusting local clock by 31.159808s Nov 3 22:05:18 server1 ntpd[21169]: adjusting local clock by 31.067579s Nov 3 22:07:59 server1 ntpd[21169]: adjusting local clock by 30.952187s Nov 3 22:11:38 server1 ntpd[21169]: adjusting local clock by 30.890147s According to the VMWare KB no kernel tweaks should be needed for Ubuntu 10.10 to maintain time to their standards. What's especially odd is the drift seems fairly consistent. Any help appreciated on this one!

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• Does Ubuntu 12.04.1 come with everything I need for using virtual servers and are the tools efficient?

  - by orokusaki

  I noticed that Ubuntu 12.04.1 comes with Xen, OpenStack, KVM and other virtualization-related tools. I have used VMWare in the past. If I was to use Xen for visualization, would I see considerable performance lost, since Xen is run on the host OS? Is it even run on the host OS, or is it like VMWare where it's installed below any Linux OS on the machine (embedded, I guess is the word)? Do you have any recommendations on what sort of set up to use with these built-in tools? I have 2 physical servers, side-by-side. Each will need a VM used for Postgres and a VM used as an app server. One will be a failover for the other.

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• P2V Server 2008R2 with vmware converter 4.3.0 No source volumes

  - by Peter

  I'm trying to P2V a Windows Server 2008R2 to vmware vsphere 4.1 using Vmware vCenter Converter standalone 4.3. Source Box Windows Server 2008R2 24GB ram Dual Quad-Cores 1 Raid 5 drive 680 GB 3 GB "Recovery" partition 40 GB OS partition 637 GB Data partion When we try and convert using the stand alone converter and the built in vCenter converter there are no source volumes listed. Has anyone dealt with this before?

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• Blade servers for vm?

  - by jason clark

  We're using VMware on a normal rack mounted server and considering getting another. I see these days I can pick blade enclosures and servers up for relatively low cost and see the term blade and vm mentioned quite a lot. So my question - how would a blade setup work with wmware - is the whole enclosure seen as one big machine and yhr more blades you add the more computing power/resources you get in VMware - or are the just x number of seperate servers? J

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• Checking for orphaned snapshots - ESXi5

  - by Tim Alexander

  So we had some issues with our passive mail node over the weekend doing vmtools updates and to resolve a problem we had to revert to a snapshot and then reseed all the databases across. All in all everything seemed fine, the server works and CCR copy status is running fine. I used the "Delete All" option this morning to remove the snapshot and the process according to vCenter has completed with no errors and no "Needs Consolidation" flag. This all seems fine until I check the Datastore that holds the VM on our SAN and I can clearly see snapshots that are pretty big [see attached image]. These do not seem to be changing size and the data modified is around the time the works were started for the vmtools update. Does this possibly mean that at some stage, possibly during reversion or hard resetting of the VM, that they have become orphaned? Are there any methods to check orphaned status of snapshots? We are running ESXi5.0 Update 1 with storage provide by an EMC SAN. Enterprise plus is the license level.

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• Remote Desktop Services In A Virtual VMWare Environment

  - by Christopher W. Szabo

  I have a quick question regarding Microsoft Remote Desktop Services in a virtualized environment using VMWare. This environment will actually be hosted in a large data center with in a cloud that is offered. This particular data center has the ability to establish high speed point to point connections with customers via metro-ethernet who are hosted in the cloud. The result is that customers can actually host their corporate domain in the data center's cloud. Put the merits of such a configuration aside for the time being. Believe me when I say that the cloud is stable and had enough hardware behind it to rival a dedicated cabinet. My question has to do with RDS in a virtual environment, which would amount to virtual desktops hosted on a virtual server. I've read that this works without issue using Hyper-V and VMWare. But before I take the plunge I wanted to get some feedback from the community.

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• VMWare Raw Device Mapping Not Working

  - by George H. Lenzer

  While I'm waiting for VMWare support to get back to me, I thought I'd ask here. I have a 400 gig LUN presented from a fiber channel SAN to my VMWare host. It's legacy from another virtualization platform and I need to keep it as is to avoid a long period of downtime. I formatted my VMFS3 datastore with 4 meg blocks to allow up to 1 TB disks. Then I tried adding my 400 gig disk as a raw device in physical compatibility mode. I get the error: "File is larger than the maximum size supported by datastore 'Base Test'. [Base Test]VMTEST01/VMTEST01_2.vmdk Originally I had the VMFS datastore formatted with 1 meg blocks which was the cause of this problem since the largest disk allowed would be 256 gigs. But I deleted the data store and then reformatted with 4 megs blocks. I've also tried using virtual compatibility mode for the raw device but it still fails. Does anyone have any suggestions? I've been waiting for a little over a week for VMWare, but that's fine because I'm not yet a paying customer. I'm still in the eval phase.

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• Best way to provide redundant switching/links to server

  - by Myles Gray

  We have 3x ESX hosts and 2x SANS that we wish to move to a redundant 10G networking infrastructure. We have 4x Dell PowerConnect 8024F's to provide our backbone and are configured as so (only core switches relevant to this question): So the questions are: 1) Do the interconnects between the 4x 8024F's need to be LAG'd or just STP'd 2) As the NICs on the servers are split across 2 switches, does any special configuration need to be done here or on the switches? 3) If a link or switch fails will the switches automatically find a new path to the Server/SAN?

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• Dell EqualLogic vs. EMC VNXe [closed]

  - by Untalented

  We've been looking into SMB SANs and based on the competitive pricing I've been getting we're really liking these two array's. There are some pro's to both solutions, but I've unable to really decide which to choose. The EMC offers better expandability since you can buy an additional shelf (roughly $1200) and can add drives then to the array. However, the Dell unit is still very nice. Can anyone comment on their experiences with the two and thoughts on this? Also, to get the VMware Storage API support you need VMware Enterprise. How much additional performance does this provide? It's roughly $15k more than the Essentials Plus bundle we're looking at (this is a small environment [3 Hosts 1 Array].

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• VMWare Setup with 2 Servers and a DAS (DELL MD3220)

  - by Kumala

  I am planning to use a VMWare based setup consisting of two VMWare servers (2 CPU, 256GB Memory) and a DAS (DELL MD3220 with 24x900GB disks). The virtual machines will be half running MS SQL databases (Application, Sharepoint, BI) and the other half of the VM will be file services, IIS. To enhance the capacity of the storage, we'll be adding a MD1220 enclosure with another 24x900GB to the MD3220. Both DAS will have 2 controllers. Our current measured IOPS is 1000 IOPS average, 7000 IOPS peak (those happen maybe twice per hour). We are in the planning phase now and are looking at the proper setup of the disks. The intention is to setup up both DAS one of the DAS with RAID 10 only and the other DAS with RAID 5. That will allow us to put the applications on the DAS that supports the application performance needs best. Question is how best to partition the two DASs to get best possible IOPS/MBps, each DAS will have to have 2 hot spares? For the RAID 5 Setup: Generally speaking, would it be better to have one single disk group across all 22 disks (24 - 2 hot spares) with both controllers assigned to the one disk group or is it better to have 2 disk groups each 11 disks, assigned to one of the two controllers? Same question for the RAID 10 setup: The plan is: 2 disks for logs (Raid 1), 2 Hotspare and 20 disks for RAID 10. Option 1: 5 * 4 disks (RAID 10), with two groups assigned to 1 controller and 3 groups to the other controller Option 2: One large RAID 10 across all the disks and have both controllers assigned to the same group? I would assume that there is no right or wrong, but it all depends very much on the specific application behaviour, so I am looking for some general ideas what the pros and cons are of the different options. IF there are other meaningful options, feel free to propose them.

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• Server getting stuck while upgrading from ESX 3.5i to ESX3.5

  - by AmitPawar

  Hi All, i am getting the following error while upgrading the server from ESX3.5i to ESX3.5.. and the server gets Stuck. it says : Starting System Management Homepage:.......ok Starting HP Insight Manager Agents: ipmi_si : servching for PCI device 0x3302 ipmi_si : Trying "Kcs" at memory address 0xf7ef.... ipmi_si : Found PCI BMC at BAR address 0xf7ef.... In try_get_dev_id And the server gets stuck, had anyone seen this and how to resolve this? Thanks, Amit

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• Question about VMWare thin provisioning

  - by Datapimp23

  I'm playing around with virtual disks and thin provisioning and have a question about it. I've created several disks and allocated space to with thin provisioning. Is it possible to allocate more disk space than the maximum amount of the datastore space. So that for example, my VM's will stop functioning when the disks slowly start filling up?

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• Virtual Windows 2008 Server Activation with ESX

  - by Logman

  I had a decommissioned server (Dell PE2950) that we could still use, it had OEM Windows 2003 Std on it but wanted to use it as a new host with VMware ESX5 to put a couple legacy severs on it. I wiped it clean and maxed out the memory. But when I added the memory I noticed the product key sticker was a "WindowsServer08 Std 1-4cpu" product key, and it also had a Virtual Key. Not sure why it had Win2003 and not Win2008 from the start, but I would like to use that license if I can. The virtual host would stay on the same physical server, so there shouldn't be a problem with licensing... but I do not want to use Hyper-V unless I can not help it. I have installed ESX5 on the server, but I cannot get the Windows 2008 server to activate. The product key is hard to read, and I have checked the key quite a few times. But my question is... Is it because Hyper-V was not installed on the host? But I thought you could use the product key alone on a virtual host? Maybe because I am not using a Dell Windows 2008 disk but iso from MS directly via the Volumne Licensing site? EDIT: well, Im pretty sure I got the product key correct. If its not the product key, could the activation problem be because Im not using hyper-v or maybe the correct install dvd? EDIT2: maybe because I added 28GB of memory? Originally 4GB...

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• Why do I have to manually 'Restart Management Network' on vSphere 5 host after reboot to get networking available?

  - by growse

  I've got a couple of vSphere 5.0 hosts in a small lab environment here and I've noticed a strange behaviour. When on of the hosts gets rebooted, it is unresponsive to the network until I log into the ESX console, Press F2 to customize and select Restart management network. Once this is done, the networking works perfectly as expected. Each host has two NICs which are trunked together using Etherchannel to a Cisco 3750. The link is also a .1q VLAN trunk and the management network is configured on VLAN121 with the VM traffic configured on VLAN118. Why would the host be completely dead to the world until I physically kick it? Edit Sample switch config for trunk: interface Port-channel2 description Blade 1 EtherChannel Trunk switchport trunk encapsulation dot1q switchport mode trunk end ! ! interface GigabitEthernet4/0/1 description Bladecenter1 CPM 1A switchport trunk encapsulation dot1q switchport mode trunk speed 1000 duplex full channel-group 2 mode on end Vswitch teaming settings: Management port group settings:

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• Checking partition alignment with PowerCLI

  - by Julian

  I'm trying to verify that the file system partitions within each of the servers I'm working on are aligned correctly. I've got the following script that when I've tried running will either claim that all virtual servers are aligned or not aligned based on which if statement I use (one is commented out): $myArr = @() $vms = get-vm | where {$_.PowerState -eq "PoweredOn" -and $_.Guest.OSFullName -match "Microsoft Windows*" } | sort name foreach($vm in $vms){ $wmi = get-wmiobject -class "win32_DiskPartition" -namespace "root\CIMV2" -ComputerName $vm foreach ($partition in $wmi){ $Details = "" | Select-Object VMName, Partition, Status #if (($partition.startingoffset % 65536) -isnot [decimal]){ if ($partition.startingoffSet -eq "65536"){ $Details.VMName = $partition.SystemName $Details.Partition = $partition.Name $Details.Status = "Partition aligned" } else{ $Details.VMName = $partition.SystemName $Details.Partition = $partition.Name $Details.Status = "Partition not aligned" } $myArr += $Details } } $myArr | Export-CSV -NoTypeInformation "C:\users\myself\Documents\Scripts\PartitionAlignment.csv" Would anyone know what is wrong with my code? I'm still learning about partitions so I'm not sure how I need to check the starting off-set number to verify alignment. EDIT: $myArr = @() $vms = get-vm | where {$_.PowerState -eq "PoweredOn" -and $_.Guest.OSFullName -match "Microsoft Windows*" } | sort name $wmi = get-wmiobject -class "win32_DiskPartition" -namespace "root\CIMV2" -ComputerName $vm #foreach ($_ In Get-WMIObject Win32_DiskPartition | Select Name, BlockSize, NumberOfBlocks, StartingOffSet, @{n='Alignment'; e={$_.StartingOffSet/$_.BlockSize}}) {$_} foreach ($wmi| Select Name, BlockSize, NumberOfBlocks, StartingOffSet, @{n='Alignment'; e={$_.StartingOffSet/$_.BlockSize}}) {$_}

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• Gathering buslogic SCSI hardware and virtual machine operating system

  - by Julian

  I'm trying to use Powershell to get SCSI hardware from several virtual servers and get the operating system of each specific server. I've managed to get the specific SCSI hardware that I want to find with my code, however I'm unable to figure out how to properly get the operating system of each of the servers. Also, I'm trying to send all the data that I find into a csv log file, however I'm unsure of how you can make a powershell script create multiple columns. Here is my code (almost works but something's wrong): $log = "C:\Users\me\Documents\Scripts\ScsiLog.csv" Get-VM | Foreach-Object { $vm = $_ Get-ScsiController -VM $vm | Where-Object { $_.Type -eq "VirtualBusLogic" } | Foreach-Object { get-VMGuest -VM $vm } | Foreach-Object{ Write-output $vm.Guest.VmName >> $log } } I don't receive any errors when I run this code however whenever I run it I'm only getting the name of the servers and not the OS. Also I'm not sure what I need to do to make the OS appear in a different column from the name of the server in the csv log that I'm creating. What do I need to change in my code to get the OS version of each virtual machine and output it in a different column in my csv log file? EDIT: Here's a more in depth look at things I've tried that have all failed: Get-VM | Foreach-Object { $vm = $_ $svm = Get-ScsiController -VM $vm | Where-Object { $_.Type -eq "VirtualBusLogic" } Foreach-Object {get-VMGuest -VM $svm } | Foreach-Object{Write-output $svm >> $log} } #Get-VM | Foreach-Object { # $vm = $_ # Get-ScsiController -VM $vm | Where-Object { $_.Type -eq "VirtualBusLogic"} #| write-host $vm # | Foreach-Object { # # #get-VMGuest -VM $_ | # #write-host $vm # #get-VMGuest -VM $vm } | Foreach-Object{ # #write-output $vm.VmName >> $log # #write-output $vm.guest.VmName, get-VmGuest -VM $vm >> $log NO GOOD # # Write-host $vm.Guest.VmName #+ get-vmGuest -vm $VM >> $log # # # } # } I'm not sure why get-VmGuest fails though. I'm getting the scsi hardware, filtering the hardware to only get buslogic, and then wanting to get the operating system of just the filtered VMs. I don't see where my code fails though.

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• VMware "boot screen" - add info like contact, phone number, etc.?

  - by TheCleaner

  I've tried searching Google and VMware's KB but maybe I'm not typing the right search criteria...only finding ways to fix problems with booting or screen issues. On the default boot screen of a host it looks similar to this picture from GIS: I'm curious if it is possible somehow to make it look like this instead (adding custom details): I know for the most part the info is "useless" since it is administered remotely, etc. But when I deploy standalone hosts to branch offices, it'd be nice for them to see this type of info on the boot screen. I may also include the VMs hosted on it (again on standalone hosts). Normal monitoring, etc. will be done remotely. This is strictly for odd times when the branch contact may say "the electricians are saying they need to turn off this circuit but I have no idea who to call in IT to tell them this box needs to be shut down" or similar. Anyone who has dealt with small branch offices can tell you that if it isn't labeled they easily forget what it is for and will simply say after the incident "I didn't know what it was or who to call." Possible?

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