January, 2010 | Peter Luk's Blog

VMWare ESXI storage performance

Taken from http://www.boche.net/blog/index.php/2010/01/23/vmtn-storage-performance-thread-and-the-emc-celerra-ns-120/

SERVER TYPE: Windows Server 2003 R2 VM ON ESXi 4.0 U1 CPU TYPE / NUMBER: VCPU / 1 / 1GB Ram (thin provisioned) HOST TYPE: HP DL385 G2, 16GB RAM; 2x QC AMD Opteron 2356 Barcelona STORAGE TYPE / DISK NUMBER / RAID LEVEL: EMC Celerra NS-120 / 15x 146GB 15K 4Gb […]

VMWare Server 2.0.x , can’t add the 3rd user for vm permission settings

find a bug in VMWare Server 2.0.2, cannot add the 3rd user or more for permission assignment after adding the 2nd user and the below error is prompted:

Check the file /etc/vmware/hostd/authorization.xml :

<ConfigRoot> <ACEData id=”10″> <ACEDataEntity>32</ACEDataEntity> <ACEDataId>10</ACEDataId> <ACEDataIsGroup>false</ACEDataIsGroup> <ACEDataPropagate>true</ACEDataPropagate> <ACEDataRoleId>-1</ACEDataRoleId> <ACEDataUser>sfluk</ACEDataUser> </ACEData> <ACEData id=”11″> <ACEDataEntity>ha-folder-root</ACEDataEntity> <ACEDataId>11</ACEDataId> <ACEDataIsGroup>false</ACEDataIsGroup> <ACEDataPropagate>true</ACEDataPropagate> <ACEDataRoleId>-1</ACEDataRoleId> <ACEDataUser>root</ACEDataUser> </ACEData> <NextAceId>11</NextAceId> </ConfigRoot>

It […]

Direct Access Remote Console of VM in ESX/Vmware Server

C:\Program Files\Common Files\VMware\VMware Remote Console Plug-in\vmware-vmrc.exe

Take a look at the directory where your VM is running in the ESX/Vmware Server:

e.g. [Storage1] winxp/winxp.vmx

Run CMD, go to your PC directory above and then run:

vmware-vmrc -h X.X.X.X -m “[Storage1] winxp/winxp.vmx”

vmware-vmrc -h X.X.X.X -M mod_number

nautilus samba NT_STATUS_LOGON_FAILURE

Samba client cannot authenticate, possible bad password error: You may run into odd errors authenticating if Samba and the server (Windows or Samba) do not agree on whether to use LANMAN, NTLM, or NTLMv2. If this happens, you may receive a NT_STATUS_LOGON_FAILURE with Samba, and the server will have a Bad Password error (0xC000006A in […]

Ubuntu – a first try

Have installed Ubuntu desktop 9.10 on an old Dell Precision 450 which I plan to use it to replace my old Fedora 8 Linux desktop. I have been a fan of RedHatLinux/CentOS/Fedora for a long time so haven’t tried Ubuntu since they are just different in installation method and management interface. All they just give […]

scheduler on Windows mobile

Installed CT scheduler on my Windows Mobile Omnia II I8000 recently. Find it useful to help me to sync the weather and stock data using my wifi automatically daily in my office (I don’t have data plan but I have full wifi access in my office). This makes me feeling that my wm phone functions […]

format > 32GB FAT32 partition under Windows

Windows format tools can only format < 32GB FAT32 partition. FAT32 support max size of 8TB. To format > 32GB FAT32 partition, use fat32format tools. fat32format

esxtop in esxi 4

I found esxtop in esxi 4 is an extremely useful tool to gather system statistics from the esxi server. One piece of data you can use esxtop is to get is the picture of the network load balance between the two NIC vmnic0 and vmnic1. I have configured the esxi server to use the NIC […]