Browsed by
Month: July 2016

Some Performance hints for VSAN 6.2

Some Performance hints for VSAN 6.2

With VSAN 6.2 VMware added a lot of new features, like dedup, compression and checksums. Some of these features can use CPU resources to a certain extent – depending on your workload. In my personal experience with customers, I have found that the Checksum option can produce some overhead – especially in All-Flash configurations with extremly high IO, or if you are doing benchmarks (which also produces high IO load normally…) If you are using all-SSD configuration and you can…

Read More Read More

vCenter / SSO / PSC 5.1 5.5 and 6.0 mixed versions compatibility

vCenter / SSO / PSC 5.1 5.5 and 6.0 mixed versions compatibility

You have multiple vCenters in different versions and want to upgrade to vCenter 6.0 (U2 or later)? – What is supported and what is unsupported? There are some possible configurations where you can have different versions of SSO compared to your vCenter versions.  This automatically happens during upgrades. There are some combinations that are supported and some combination which are unsupported. Especially re-installing or re-pointing and “old” vCenter to a newer SSO or PSC version is something which is only…

Read More Read More