An often asked question when implementing NFS based storage is what do these advanced settings represent you are recommending me to change?
VMware published a great KB article which describes these. For instance:
NFS.HeartbeatMaxFailures
The number of consecutive heartbeat requests that must fail before the server is marked as unavailable.
The KB article does not only explain the separate NFS settings but [...]
Posts Tagged ‘vstorage’
Definition of the advanced NFS options
February 13th, 2010
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Real life RAID penalty example added to the IOps article
January 11th, 2010
6 Comments
I just added a real life RAID penalty example to the IOps article. I know Sys Admins are lazy, so here’s the info I just added:
I have two IX4-200Ds at home which are capable of doing RAID-0, RAID-10 and RAID-5. As I was rebuilding my homelab I thought I would try to see what changing [...]
Changed block tracking?
December 21st, 2009
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I was reading Eric Siebert’s excellent article on Changed Block Tracking(CBT) and the article on Punching Cloud on this new feature which is part of vSphere. CBT enables incremental backups of full VMDKs. Something that isn’t covered is what the “block” part of Changed Block Tracking actually stands for.
Someone asked me on the VMTN Communities [...]
vscsiStats output in esxtop format?
December 17th, 2009
9 Comments
This week we(Frank Denneman and I) played around with vscsiStats, it’s a weird command and hard to get used to when you normally dive into esxtop when there are performance issues. While asking around for more info on the metrics and values someone emailed us nfstop. I assumed it was NDA or at least not [...]
SPC-2 set or not?
December 8th, 2009
2 Comments
For those like me who see different types of Arrays daily it is hard to keep up with all the specific settings that need to be configured. Especially when we are talking about enterprise level storage there are several dependencies and requirements.
One of the settings that is often overlooked on EMC DMX storage is the [...]
VMTN Podcast number 71, vStorage API
November 4th, 2009
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This weeks topic of the VMware Communities Roundtable was the vStorage API. It was most likely one of the most technical roundtables in months. Especially the part about the Virtual Disk Development Kit (aka VDDK) was educational! If you missed the episode you can download it here or subscribe to the podcast with iTunes here!
Here [...]
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