Tag Archives: ESX

vSphere 6.x Observed IP range

Way back when I wrote about the “Observed IP Range” information reported for physical NICs in v5 hosts. I noted among other things that the field seems to be populated by a process that runs at boot time or when … Continue reading

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Changing VM reservations on the fly

Heard a question the other day in regards to changing virtual machine reservations on the fly and the resulting impact on the size of the swap (.vswp) file. Every running virtual machine on a VMware ESX/i host has a .vswp … Continue reading

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VMDK alignment (Free p2v / v2v)

Disk alignment is a known problem in virtual environments. Older guest OS (primarily Windows before 2008 tho *nix has the same issue) would start their partitions slightly off the boundary which could cause an increased amount of IOPS. You can … Continue reading

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VMware iSCSI Multipath (set all PSPs)

iSCSI Multipath Post 1 (basic) iSCSI Multipath Post 2 (Equallogic script) iSCSI Multipath Post 3 (vSphere5) I found a script at VMware’s PowerShell blog about setting all your LUN Path Selection Policy’s to Round Robin. This is a great trick … Continue reading

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Consolidate Snapshots

I wrote a post a while back detailing a few ways to correct “stuck” snapshots – delta files that existed on the datastore but were not reported by the GUI. vSphere 5 has a new method of removing them straight … Continue reading

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vSphere5 Licensing Part6 : (Redux)

So VMware has revised licensing, you can now allocate 96GB or RAM to VMs per EnterprisePlus license, 64 for Enterprise and 32/CPU license for all other levels. It’s been confirmed you can also manage multiple vSphere license levels from one … Continue reading

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vSphere5 Licensing: Part 5 (Solution)

So VMware has caused considerable consternation and gnashing of teeth over their new licensing structure. (see Twitter and other places I listed before)

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vSphere5 Licensing: Part 4 (add-on)

Blog post in two parts, a review of licensing in vSphere5 and then the point of the post regarding the mechanisms of adding additional licensing to a vSphere5 server.

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vCenter Storage Status “unknown”

I’ve seen a few cases where storage devices (specifically iSCSI or FCP datastores) return a gray “unknown” for a status:

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My snapshots are where?

Update: Per the VMware Storage Blog this behavior has changed for 5. In vSphere 5.0, the workingDir parameter still exists, but it will no longer be used as a pointer to a location for storing snapshot delta disks. The workingDir … Continue reading

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