Bestpractice storage?

Question bestpractice storage:

What is the percentage of space to leave free on a LUN?

What is the percentage of space to leave free on a Bay?

Seeding question of bestpractice:

What is the percentage of space to be left free on a LUN?

What is the percentage of space to be left free on a Bay (SUN storage)?

Hi, I agree with John.

Most of the time I see people are involved in about 30% free space on each LUN for LUN sizing (15% for the snapshot + 15% space free).

When scaling a LUN for VMware data store, you want to determine first how many active to allocate per LUN virtual machines.

For the read/write performance, it does not matter if your VMDK is on a 100 GB LUN or LUN 2 TB.

It is the total load of I/O on the LUN that is important.

If you want to design your datastore/LUN, what should be the ONE how many VMs per VMFS, etc., you can also use sizing tools created by Samir Roshan here - VMware VMFS Datastore Sizing Calculator: http://thinkingloudoncloud.com/calculator/vmware-vmfs-datastore-sizing-calculator/

Here are some links re: VMware Storage/VMFS recommended

Best practices of VMware storage: http://www.vmware.com/files/pdf/support/landing_pages/Virtual-Support-Day-Storage-Best-Practices-June-2012.pdf

VMFS recommended: http://www.vmware.com/pdf/vmfs-best-practices-wp.pdf

Thank you

Bayu

Tags: VMware

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