Failed to connect to SQL Server when install vCenter SSO

The installer may prompt “Failed to established connection” after input SQL database information. Reason can be vary. If your SQL account password is correct, it maybe caused by SQL password policy. The three password policy is selected by default when you create SQL account. You could also find similiar error message in %TEMP%/vm-sso-javalib.log: [2013-01-11 10:54:33,640]ERROR 733[main] – […]

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Extend ATS capability VMFS5 datastore maybe failed

A lot of storage support hardware acceleration, it is able to offload some storage operation from ESXi 5.x host to storage filer, the feature can significantly improve performance during cloning, vMotion, coping…etc. Different storage device may support different features of hardware acceleration, block device have block zero, full copy, hardware assisted locking, thin provisioning, NAS device […]

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Time synchronization on virtual machine

Guest OS of virtual machine can synchronize time by several way, such as NTP, VMware Tools, Windows Time Service, CMOS…etc. VMware Tools synchronize time with ESXi host when  you enable periodic time synchronization. VMware Tools time synchronization function is disabled by default, but that’s doesn’t means time synch never happens between guest OS and host. It still […]

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Finally I created this blog

WordPress.com is blocked by China government, it’s not the best choice for me from high available perspective 🙂 But as you may know, WordPress is the best blog application in the planet, I don’t know any other blog can be so perfect! I have to use it even so it’s blocked. I’m writing this article […]

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