Labs…. Can be fun and can be the biggest cause of pain and frustration. In the last 5 years my lab has been the best tool for my job, It has made me cheered and cry. The Lab started out…
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Being meaning to write something up about the recent PSOD party I had at one of my clients site, just some background information:
- 3 clusters of 32 hosts
- all connected to the same storage arrays (different LUNs obviously)
- all the same blade and ESXi version
- all the same firmware for all components
- had been running stable for well over 18 months
This environment all of a sudden started experiencing PSOD errors, there were 2 different ones that would appear these are:
no heartbeat (2/2 IPIs recieved)
Exception 14 I could not find the screenshot I took but the exception 14 was only happening sometimes and I think it was more a flow on effect from the above psod when virtuals HA accross in such a volume. But was still part of the whole puzzle.
7 CommentsI came across this at a clients site the other day, 2 MSCS clusters which were connected to SYMMETRIC storage were seeing 2000ms latency on the RDMs attached to the servers. After looking at the issue it appeared to be set up correctly, looking…
7 CommentsUse Profile Editor to edit and/or disable policies Host profiles eliminate the manual setup of ESXi hosts in a cluster, They ensure that all hosts are identical and there is no user error when making setting changes across a number…
Leave a CommentKnowledge Explain the Pluggable Storage Architecture (PSA) layout Skills and Abilities Install and Configure PSA plug-ins Pluggable Storage Architecture(PSA) is made up of 4 smaller modules which are: NMP – Native Multipathing (Generic VMware multipathing module) MPP – Multipathing Plugin…
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