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• ESXi and Windows Server CPU parking

  - by Chris J

  For those that don't know, CPU parking is a feature in recent Windows Server releases that allows Windows to pretty much drop a CPU core to zero use, and having nothing use it. It's been introduced as a power-saving measure. There's more detail about it here, amongst other places. However what I'm curious about is whether this matter on a virtualised guest - or is CPU parking more of a hindrance than a help, given that the physical CPUs are managed by ESXi, not Windows, and that a parked CPU is less likely to deal with traffic unless the scheduler deems there's enough work to unpark the CPU? I've not found anything about this - I do suspect it will be very much based on a given workload, but I've not seen any discussion (unlike, say, whether hyper-threading has any effect, which seems to be discussed regularly). Whilst I do understand the "test with your workload" I was wondering if there was any advice/guidelines out there that I've missed.

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• conversion of a VMDK image with qemu-img failed with "error while reading sector 131072: Invalid argument"

  - by Erik Sjölund

  I tried to convert a VMDK image found in a OVA file to the QCOW2 format with the qemu-img command but it failed with the error message qemu-img: error while reading sector 131072: Invalid argument user@ubuntu:/tmp$ wget ftp://ftp.sanger.ac.uk/pub/databases/Pfam/vm/PfamWeb_20120124.ova user@ubuntu:/tmp$ tar xfv PfamWeb_20120124.ova PfamWeb_20120124_2.ovf PfamWeb_20120124_2.mf PfamWeb_20120124_2-disk1.vmdk user@ubuntu:/tmp$ qemu-img convert -O qcow2 PfamWeb_20120124_2-disk1.vmdk PfamWeb_20120124_2.qcow2 qemu-img: error while reading sector 131072: Invalid argument user@ubuntu:/tmp$ qemu-img --version | grep "qemu-img version" qemu-img version 1.0, Copyright (c) 2004-2008 Fabrice Bellard user@ubuntu:/tmp$ dpkg-query -f='${Version}\n' --show qemu-utils 1.0+noroms-0ubuntu14.1 user@ubuntu:/tmp$ cat /etc/issue Ubuntu 12.04.1 LTS \n \l How do I avoid the error?

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• Problems with 2 ISCSI connections esxi 3.5

  - by rphilli5

  I am running a dell poweredge 1950 with 4 nic cards. 1 is bonded to SAN #1 on 192.168.90.xx. The second SAN is on a separate network - 192.168.7.xx The network adapter can view the ip range of the san and the NIC can be pinged from 192.168.7.xx range. vswitch1 and vswitch2 are configured identically except for the ip address. The second SAN has been added to the iscsi software adapter but the SAN is never recognized. I can connect to the SAN from other machines on the local network. Is there something else that needs to be configured for the iscsi software adapter to know which vswitch to use?

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• Issues with doing a P2V on Exchange 2007

  - by PokermUNKEE

  I shutdown all Exchange services on the physical box and did a convert. Everything converted fine. Server booted up no issues and I could receive email from the outside world with no issues. But I am unable to send emails internally or externally. They just sit in the Outbox. I also disabled the DHCPClient service as I didn't want the server to get an IP address from DHCP when it first came online. It came online with no IP, then I used console to assign the correct static IP address (same one on the physical server) and rebooted. I ran the Exchange Troubleshooting Agent and it gave me the following errors: The value for the '\MSExchangeIS Mailbox\Messages Queued For Submission' counter on server exchange is greater than zero (average value is 8.8) and it appears that 'MSExchangeMailSubmission' is failing to submit messages to at least one computer with the Hub Transport server role installed over the last minute. Found 1 computers with the Hub Transport server role installed in the same Active Directory site as server exchange using local Active Directory site GUID 'ce8a4367-1bf6-4825-9cac-c4e2b115c450'. Check Local Active Directory Site Hub Transport Server Role Health (Mailflow_CheckLocalBhHealth1.1.1.1.1.1.1.1) I have one Exchange server with all the roles on it. Has anyone see this before when doing a convert? Please help :(

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• ESXi 5.5 on unlisted AMD A10 6800K possible?

  - by Erik

  I've done some initial googling.. and found AMD's A10 6800K supports virtualization via AMD-V. I'd like to install ESXI 5.5 on a USB thumbdrive to drive two+ VM's running Lubuntu. Has anyone seen the AMD A10 APU line used for baremetal hosting? AMD A10 APU 6800K 8GB DDR3 non ECC RAM 350GB HDD old spin drive (Sata I?III? unknown) I want to get started but afraid I'll wipe my current linux instance if it goes bad.

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• All paths down on vSphere esxi 5.1, LSI 9211-8i

  - by user1434058

  Works 100% ESXi 5.1 HBA (LSI 1064e) 1x SAS2 100GB SSD Doesn't work ESXi 5.1 HBA (LSI 9211-8i IT /IBM M1015) 1x SAS2 100GB SSD After a few hours of heavy HD load i get: - Device or filesystem with identifier ['all drives'] has entered the All Paths Down state. - ESXi retries but loses connectivity to the SAS drive, marks it as "dead or error" - reboot fixes the issue How can i fix this issue?

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• Download HP Power Protector for ESXi

  - by Mark Henderson

  The HP PowerProtector user guide states that to install the HP PowerProtector client on an ESXi Host: Download the latest version of HPPP from the HP website (http://www.hp.com/go/rackandpower). The ESXi Server is automatically detected, and a shutdown command script is generated. However in typical HP fashion, after clicking through no less than 6 different links to get to the downloads page, I am presented with: http://h18004.www1.hp.com/products/servers/proliantstorage/power-protection/software/power-protector/pp-dl.html HP Power Protector (HPPP) - Windows HP Power Protector (HPPP) - Linux x86 HP Power Protector (HPPP) - Linux x64 HP Power Protector (HPPP) - Linux IA64 HP Power Protector (HPPP) - HPUX The Linux packages contain an RPM and in no way resemble what is in the HP documentation. None of these are labelled for ESXi. Does anyone know where or how to get the HP Power Protector ESXi client installed?

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• kickstart: reference floppy drive via %ksappend or %include

  - by virtualeyes

  Having trouble getting %ksappend or %include to work when referencing a local floppy drive. Booting off remote server's cd-rom drive I am able to load the CentOS 6 minimal install image, and then add ks=hd:fd0/ks-jvm.cfg to boot params to load kickstart init file from floppy disk. That works fine. The problem is that I want to load a streamlined generic init file off the floppy and then, within the init, %ksappend or %include specific config files relative to the type of server I'm building (JVM, MySQL, Apache, etc.) I do not have DHCP, networking needs to be specified statically, so %ksappend and %include both fail when attempting to reference http://some-LAN-IP/foo.cfg since networking has not yet been set. The kickstart setup only works when I glob in the entire config into a single file, which is great, but ugly and difficult to maintain when I return later, having forgotten the original setup. At this point I'd be happy if I could get %ksappend or %include working with a floppy drive reference in the %post section; that would consolidate a lot of common boilerplate that all kickstarts will rely on (sshd_config, rsync config, resolve.conf, and so on) Thanks for providing the magic floppy drive reference that is eluding me!

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• VMFS recovery - how do you proceed?

  - by ToreTrygg

  The more I look into ESX the more often i have to handle cases where the partition table of a disk with a VMFS volume gets corrupted. The reasons for this can be * idiot user * failed update * power failure * .... I guess you guys must already have something like a usual procedure on how to work through this cases. I am especially interested in a straight fast way to find out if the VMFS volume itself is corrupted beyond repair. So far I use very time consuming attempts with scans with Testdisk and similar tools. Do you have better / faster ways ?

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• networking through openstack installed on vm

  - by Mandar Katdare

  I am trying to set up a test installation of Openstack on a Ubuntu 12.04 VM running on a ESXi server. So far I have been able to launch the VMs on the ESXi, however am unable to assign IP addresses to them. As the VM with the Openstack installation has a single public IP, I wish to assign IPs to the VMs create through Openstack so that they can directly interact with the public network itself without having a separate private network. So I feel that bridging would not be the correct option here. But am unable to find the correct documents to go ahead with such an install. My ifconfig looks as follows: eth0 Link encap:Ethernet HWaddr 00:0c:29:6f:8a:d7 inet addr:192.168.4.167 Bcast:192.168.4.255 Mask:255.255.255.0 inet6 addr: fe80::20c:29ff:fe6f:8ad7/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:391640 errors:33 dropped:98 overruns:0 frame:0 TX packets:545044 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:40303931 (40.3 MB) TX bytes:763127348 (763.1 MB) Interrupt:18 Base address:0x2000 lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:146127 errors:0 dropped:0 overruns:0 frame:0 TX packets:146127 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:799815763 (799.8 MB) TX bytes:799815763 (799.8 MB) virbr0 Link encap:Ethernet HWaddr 8a:80:33:32:63:a0 UP BROADCAST MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B) The eth0 is the adapter that I intend to use for all communication. My nova.conf looks as follows: --dhcpbridge_flagfile=/etc/nova/nova.conf --dhcpbridge=/usr/bin/nova-dhcpbridge --logdir=/var/log/nova --state_path=/var/lib/nova --lock_path=/var/lock/nova --allow_admin_api=true --use_deprecated_auth=false --auth_strategy=keystone --scheduler_driver=nova.scheduler.simple.SimpleScheduler --s3_host=192.168.4.167 --ec2_host=192.168.4.167 --rabbit_host=192.168.4.167 --cc_host=192.168.4.167 --nova_url=http://192.168.4.167:8774/v1.1/ --routing_source_ip=192.168.4.167 --glance_api_servers=192.168.4.167:9292 --image_service=nova.image.glance.GlanceImageService --iscsi_ip_prefix=192.168.4 --sql_connection=mysql://novadbadmin:[email protected]/nova --ec2_url=http://192.168.4.167:8773/services/Cloud --keystone_ec2_url=http://192.168.4.167:5000/v2.0/ec2tokens --api_paste_config=/etc/nova/api-paste.ini --libvirt_type=kvm --libvirt_use_virtio_for_bridges=true --start_guests_on_host_boot=true --resume_guests_state_on_host_boot=true --vnc_enabled=true --vncproxy_url=http://192.168.4.167:6080 --vnc_console_proxy_url=http://192.168.4.167:6080 # network specific settings --network_manager=nova.network.manager.FlatDHCPManager --public_interface=eth0 --vmwareapi_host_ip=192.168.4.254 --vmwareapi_host_username=**** --vmwareapi_host_password=**** --vmwareapi_wsdl_loc=http://127.0.0.1:8080/wsdl/vim25/vimService.wsdl --fixed_range=192.168.4.190/24 --floating_range=192.168.4.190/24 --network_size=32 --flat_network_dhcp_start=192.168.4.190 --flat_injected=False --force_dhcp_release --iscsi_helper=tgtadm --connection_type=vmwareapi --root_helper=sudo nova-rootwrap --verbose --libvirt_use_virtio_for_bridges --ec2_private_dns_show --novnc_enabled=true --novncproxy_base_url=http://192.168.4.167:6080/vnc_auto.html --vncserver_proxyclient_address=192.168.4.167 --vncserver_listen=192.168.4.167 192.168.4.167 is my VM with the Openstack installation and 192.168.4.254 is my ESXi server on which the VM runs. Can anyone advice me about how to proceed? Thanks, Mandar

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• How do the Virtual machine network works ?

  - by Arpit

  I wish to know If I am using 2 VM instance on the same setup and I wish to use heavy data flow between the VMs is there any possibility that I get the Timeout (let say I having one timer on the sending end which stops on getting the ack.) I vague question is How network works in VM . I hope I am clear with the question.

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• Very High Interrupt CPU usage in Win2k3 VM on vSphere

  - by Darragh

  Hi, I've been testing some software in a server virtual environment and I've noticed I get a huge amount of CPU usage on the Interrupts process. My question is, how does this relate to the virtual hardware platform as the rate is allot lower in a real system. Some how the hypervizor scheduler works hard to over come this problem but not as well as on real hardware does. Obvious things are high I/O and disk access but this application mostly just sits and works in memory allot. If anyone has experienced the same, please let me know. thanks in advance Screenshot: Process Explorer

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• SAN Replication for Fault tolerance using EVA4400

  - by Sergei

  Hi Everyone, I hope that someone would point me in the correct direction - it looks like I have no enough konwledge in the subject and timeframes are too tight for me to explore different scenarios in depth.. We have two datacenters few miles away from each other connected by 100 Mbps link.Each datacenter will have 5 BL490 blades with ESX Standard hosting about 50 VMs. Eac hsite has HP eva4400 SAN with SAN replication set up.VC is going to be in the first datacenter and both datacenter are networked. SAN Replication is block level so it seems like I cannot just replicate changes but all writes would have to be replicated.This should not be a problem as link can sustain about 1.8 TB a dayand data can be buffered. I am having trouble however visioning how recovery would work in this case.We don't need instant recovery , I would say 4 hours recovery time is accepted so fancy automatic SRM like DR scenario would not be easily accepted due to the financial reasons, however any comments are welcomed. Current idea is following: replicate LUNs from primary site to the secondary.When disaster strikes, IT personnel switches on ESX hosts on the remote side and connects replicated LUNS to them, then registers VMs and changes IP address. I understand that this seems like horribly manual process and I almost sure I have missed some obvious pitfalls here. Could someone let me know what direction should I go?An articles regarding the subject? This is a brand new setup and we would rather build up basic recovery process and scale it later.I just need to have a right direction to allow for such scalability. Thank you very much in advance!

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• Can I have different ESX hosts accessing the same LUN over different protocols?

  - by Kevin Kuphal

  I currently have a cluster of two ESX 3.5U2 servers connected directly via FiberChannel to a NetApp 3020 cluster. These hosts mount four VMFS LUNs for virtual machine storage. Currently these LUNs are only made available via our FiberChannel initator in the Netapp configuration If I were to add an ESXi host to the cluster for internal IT use can I: Make the same VMFS LUNs available via the iSCSI initiator on the Netapp Connect this ESXi host to those LUNs via iSCSI Do all of this while the existing two ESX hosts are connected to those LUNs via FiberChannel Does anyone have experience with this type of mixed protocol environment, specifically with Netapp?

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• Trouble with Windows 7

  - by vtimmerm

  Hi, I'm trying to virtualize an application for Windows 7 but am running into trouble: Application will run fine in Windows 7 if installed in the base. When it is virtualized, it will run on XP, but not on Windows 7. I have tried this in three ways: Captured on XP with ThinApp 4.0 Captured on XP with ThinApp 4.5 Captured on Windows 7 with ThinApp 4.5 Even when captured on Windows 7, it will not run on Windows 7 but will run on XP. When captured with a rival product, Altiris SVS, the virtualized app runs fine on Windows 7. Any idea's what could cause this behaviour? Looking at the trace file, you see that they are different right from the start when comparing Windows 7 and XP tracefiles. What could cause it to go in completely different directions? (And why does the tracefile on Windows 7 say: Operating System Unknown? Does everybody have that on Windows 7 even with 4.5?) The error message is: "Object variable or with block variable not set". Thanks, Vincent

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• Compatibility of ESX 4 and LTO 3 with LSI2032 Dell Power Edge

  - by dbaur

  Hello, does anybody know something about the compatibility of an LTO 3 Tapedrive (PV HH LTO 3 400GB) attached to an LSI2032 SCSI-Controller? These devices are added to an Dell PowerEdge T610 Server which is listed in the certified Compatibility Guide. I can`t find any information for this controller and this tapdevice. Or are they automaticly compatible because they are options for an compatible Server? greetings Dennis

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• ESXi 5.1 ghettoVCB stuck at Clone: 10% done

  - by stormdrain

  Trying to run ghettoVCB for the first time here. I am using a NAS that is set up as a datastore on the host. I did a dry run and it completed without error. The VM is ~500GB and there is only one on the host that I'm trying to backup. I proceeded to start the actual backup: ./ghettoVCB.sh -m vmname -g ghettoVCB.conf It goes though the config and looks like it's taking off: 2013-10-24 11:43:19 -- info: CONFIG - USING GLOBAL GHETTOVCB CONFIGURATION FILE = ghettoVCB.conf 2013-10-24 11:43:19 -- info: CONFIG - VERSION = 2013_01_11_0 2013-10-24 11:43:19 -- info: CONFIG - GHETTOVCB_PID = 17398616 2013-10-24 11:43:19 -- info: CONFIG - VM_BACKUP_VOLUME = /vmfs/volumes/nas2tb-001/esxi4 2013-10-24 11:43:19 -- info: CONFIG - VM_BACKUP_ROTATION_COUNT = 3 2013-10-24 11:43:19 -- info: CONFIG - VM_BACKUP_DIR_NAMING_CONVENTION = 2013-10-24_11-43-18 2013-10-24 11:43:19 -- info: CONFIG - DISK_BACKUP_FORMAT = thin 2013-10-24 11:43:19 -- info: CONFIG - POWER_VM_DOWN_BEFORE_BACKUP = 0 2013-10-24 11:43:19 -- info: CONFIG - ENABLE_HARD_POWER_OFF = 0 2013-10-24 11:43:19 -- info: CONFIG - ITER_TO_WAIT_SHUTDOWN = 4 2013-10-24 11:43:19 -- info: CONFIG - POWER_DOWN_TIMEOUT = 5 2013-10-24 11:43:19 -- info: CONFIG - SNAPSHOT_TIMEOUT = 15 2013-10-24 11:43:19 -- info: CONFIG - LOG_LEVEL = info 2013-10-24 11:43:19 -- info: CONFIG - BACKUP_LOG_OUTPUT = /tmp/ghettoVCB-2013-10-24_11-43-18-17398616.log 2013-10-24 11:43:19 -- info: CONFIG - ENABLE_COMPRESSION = 0 2013-10-24 11:43:19 -- info: CONFIG - VM_SNAPSHOT_MEMORY = 0 2013-10-24 11:43:19 -- info: CONFIG - VM_SNAPSHOT_QUIESCE = 0 2013-10-24 11:43:19 -- info: CONFIG - ALLOW_VMS_WITH_SNAPSHOTS_TO_BE_BACKEDUP = 0 2013-10-24 11:43:19 -- info: CONFIG - VMDK_FILES_TO_BACKUP = all 2013-10-24 11:43:19 -- info: CONFIG - VM_SHUTDOWN_ORDER = 2013-10-24 11:43:19 -- info: CONFIG - VM_STARTUP_ORDER = 2013-10-24 11:43:19 -- info: CONFIG - EMAIL_LOG = 0 2013-10-24 11:43:19 -- info: 2013-10-24 11:43:22 -- info: Initiate backup for vmname 2013-10-24 11:43:22 -- info: Creating Snapshot "ghettoVCB-snapshot-2013-10-24" for serv2 Destination disk format: VMFS thin-provisioned Cloning disk '/vmfs/volumes/esxi4-storage/vmname/vmname_1.vmdk'... Clone: 10% done. and it's been that way for over an hour now. Stuck at Clone: 10% done.. Thing is: I can see the vmdk on the NAS. And it looks like almost the whole thing is there. On the NAS it's showing ~430GB but on vSphere Client Summary is shows as 507GB. I don't see the vmdk on the NAS growing any more. The logfile mimics some of the above and is sitting at "Creating Snapshot..." and nothing else is coming in. Is the vmdk on the NAS showing all those GB because of the provisioning or something? i.e. is the size of the file not necessarily indicative of the amount of actual data that has been copied? Is there are reason it might be "Stuck" at 10%? i.e. could it really be taking this long? Any other tips? Thanks. Edit: as soon as I hit the Submit button, I glance over to see that it has incremented to 11% done. Good to know it'll be complete sometime around when the sun explodes.

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• Slow VM on esxi 4.1

  - by user57432

  We have a FreeBSD 64bit running on a esxi 4.1, the hardware platform is a DELL R710 with 2 x 56xx (intel 6core cpu) and 48 GB ram. The FreeBSD vm is very slow, when we compiles/builds something on it, it takes 5 minuts and it says "build time 18 seconds.". There's no vmtools installed on the vm. The same vm is installaed on another R710 running esxi 4.0 for dell and there's no problems with that one. Does anyone have any idea about what to look for? the VMs on the second server (ESXi 4.1) is a clone of the VMs running on the first VMserver (ESXi 4.0 Dell edition). It's not possible for me to move the VM back to the first server since the file contaning the vm is too big. We installed the new esxi with a datasore with 8mb blocks because 1mb blocks dident allow for the file size we needed. It looks like the www server on the new ESXi 4.1 works fine, but I havent really tested it. There's not installed vmtools on any of the VMs (FreeBSD). The block size on the second VM (ESXi 4.1) datastorage is 8mb and 1mb on the first (ESXi 4.0)

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• Storage device not found on ESX4 with AIC-9410

  - by Mads

  I am trying to install ESX 4.0 update 1 on a Supermicro X7DBR-3 system with an embedded AIC-9410 HBA (this HBA is listed on the HCG with Vendor ID 9005 and Device ID 041f) . All SATA controllers are disabled in the BIOS and the logical drive shows up in the Adaptec device summary during POST, however there is nothing listed on the Storage Device screen. The HBA itself is listed if I run esxcfg-info but not if I run esxcfg-scsidevs -a (under ESXi for that last command) Any ideas where I can look next or what might be wrong?

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• Openfiler iSCSI performance

  - by Justin

  Hoping someone can point me in the right direction with some iSCSI performance issues I'm having. I'm running Openfiler 2.99 on an older ProLiant DL360 G5. Dual Xeon processor, 6GB ECC RAM, Intel Gigabit Server NIC, SAS controller with and 3 10K SAS drives in a RAID 5. When I run a simple write test from the box directly the performance is very good: [root@localhost ~]# dd if=/dev/zero of=tmpfile bs=1M count=1000 1000+0 records in 1000+0 records out 1048576000 bytes (1.0 GB) copied, 4.64468 s, 226 MB/s So I created a LUN, attached it to another box I have running ESXi 5.1 (Core i7 2600k, 16GB RAM, Intel Gigabit Server NIC) and created a new datastore. Once I created the datastore I was able to create and start a VM running CentOS with 2GB of RAM and 16GB of disk space. The OS installed fine and I'm able to use it but when I ran the same test inside the VM I get dramatically different results: [root@localhost ~]# dd if=/dev/zero of=tmpfile bs=1M count=1000 1000+0 records in 1000+0 records out 1048576000 bytes (1.0 GB) copied, 26.8786 s, 39.0 MB/s [root@localhost ~]# Both servers have brand new Intel Server NIC's and I have Jumbo Frames enabled on the switch, the openfiler box as well as the VMKernel adapter on the ESXi box. I can confirm this is set up properly by using the vmkping command from the ESXi host: ~ # vmkping 10.0.0.1 -s 9000 PING 10.0.0.1 (10.0.0.1): 9000 data bytes 9008 bytes from 10.0.0.1: icmp_seq=0 ttl=64 time=0.533 ms 9008 bytes from 10.0.0.1: icmp_seq=1 ttl=64 time=0.736 ms 9008 bytes from 10.0.0.1: icmp_seq=2 ttl=64 time=0.570 ms The only thing I haven't tried as far as networking goes is bonding two interfaces together. I'm open to trying that down the road but for now I am trying to keep things simple. I know this is a pretty modest setup and I'm not expecting top notch performance but I would like to see 90-100MB/s. Any ideas?

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• Linked vSphere servers preventing cloning?

  - by brian

  I've currently got a pair of vSphere5 standard servers (physical, not VAs) managing about a hundred ESX 4.1 and 5 hosts in two different physical and logical datacenters. With our last purchase, we bought another vSphere license for the new vS server. I unmanaged all the ESX servers in one datacenter and added them to new vSphere server. Our previous single-vS-server layout used to be: -vSphere1 --Datacenter1 (where the physical ESX host was located) ---Folder ----ESX server1 --Datacenter2 ---Folder ----ESX server2 Now it looks like -vSphere1 --Datacenter1 ---Folder ----ESX server1 -vSphere2 (new vSphere server) --Datacenter2 ---Folder ----ESX server2 ESX server2 was removed from vSphere1's inventory and added to vSphere2's, so it is now managed by vSphere2. This is nice and all, as no vSphere <-- ESX management traffic leaves the physical datacenter, except for one huge oversight: when I go to clone a VM, the opposite vSphere server (and thus other datacenter) does not show up in the list on the first page of the wizard. Is this a bug, a license limitation, or is it just simply not possible to clone a VM from an ESX box managed by one vS server to another ESX box managed by a /different/ vS server?

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• Poor NFS Performance: OpenFiler

  - by Safin09

  Good Day Everyone, I have an issue with OpenFiler, a Linux-based operating that converts a computer system into a SAN/NAS appliance. Here is the problem. In my environment we have two Netapp Storevault 500 appliances that I normally perform backups to a NFS share. There are two backup cronjobs that use ghettoVCB to backup two groups of VM's. One group is a pool of 3 VMs. This takes 13 mins to complete. A second job that backups a pool of 5 VMs to a 2nd Storevault appliance which takes 2 hours. We then installed Openfiler on a old server that has 2 core Xeon processors. There is a software RAID 5 process in place. When performing the same backups to a NFS Openfiler share, the first backup job, which takes 13 mins, takes around 4 hours. The second backup job, which takes 2 hours, takes almost 10 hours to complete. This is unacceptable!!!! Especially considering the strain placed on the host ESX Server. I assumed that because of the software RAID 5, the overhead on the CPU explained the long backup times. I then installed Openfiler on a 2nd server, an IBM x306 machine which has a P4 Intel processor. This time no software RAID or any RAID at all. A single 750GB hard drive that contained the OS and the rest of the disk uses to backup VMs to a NFS share. I performed the first backup job of the pool of 3 VMs. This time the backup job took 1 and 1/2 hours to complete instead of 13 mins!!!!!!!!!! Is Openfiler simply poor at being an NFS Server!!!!!!!!!!!!! Has anyone else had these issues with Openfiler?

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• Can you run Snow Leopard Server on a VM?

  - by Crash893

  I'm thinking of buying a mac mini server for my email needs (small office server for 999 with all the features i want build in) I wanted to give it a test drive before i commit so i was thinking "hey this sounds like the perfect job for a vm" however i havent been able to see any examples of running snow lepoard server on a vm does anyone know if its possible and/or there is a premade vm package to test it out with?

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• Windows Terminal Server: occasional memory violation for applications

  - by syneticon-dj

  On a virtualized (ESXi 4.1) Windows Server 2008 SP2 32-bit machine which is used as a terminal server, I occasionally (approximately 1-3 event log entries a day) see applications fail with an 0xc0000005 error - apparently a memory access violation. The problem seems quite random and only badly reproducable - applications may run for hours, fail with 0xc0000005 and restart quite fine or just throw the access violation at startup and start flawlessly at the second attempt. The names of executables, modules and offset addresses vary, although a single executable tends to fail with same modules and the same memory offset addresses (like "OUTLOOK.EXE" repeatedly failing on module "olmapi32.dll" with the offset "0x00044b7a") - even across multiple user's logons and with several days passing without a single failure inbetween. The offset addresses seem to change across reboots, however. Only selective executables seem affected by the problem, although I may simply not be seeing a sufficient number of application runs from the other ones. I first suspected a possible problem with the physical machine's RAM, but ruled this out as a rather unlikely cause - the memory comes with ECC and I've already moved the virtual machine across several times, without any perceptable change. I've seen that DEP was enabled in "OptOut" mode on this machine: C:\Users\administrator>wmic OS Get DataExecutionPrevention_SupportPolicy DataExecutionPrevention_SupportPolicy 3 and tried changing the policy to OptIn via startup options: bcdedit.exe /set {current} nx OptIn but have yet to see any effect - I also would expect Outlook 12 or Adobe Reader 9 (both affected applications) to play well with DEP. Any other ideas why the apps may be failing?

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• Trouble virtualizing application under Windows 7

  - by vtimmerm

  Hi, I'm trying to virtualize an application for Windows 7 but am running into trouble: Application will run fine in Windows 7 if installed in the base. When it is virtualized, it will run on XP, but not on Windows 7. I have tried this in three ways: Captured on XP with ThinApp 4.0 Captured on XP with ThinApp 4.5 Captured on Windows 7 with ThinApp 4.5 Even when captured on Windows 7, it will not run on Windows 7 but will run on XP. When captured with a rival product, Altiris SVS, the virtualized app runs fine on Windows 7. Any idea what could cause this behaviour? Looking at the trace file, you see that they are different right from the start when comparing Windows 7 and XP tracefiles. What could cause it to go in completely different directions? (And why does the tracefile on Windows 7 say: Operating System Unknown? Does everybody have that on Windows 7 even with 4.5?) The error message is: "Object variable or with block variable not set".

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