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Can I change the block size of the local stroage on a ESXI 4.1 U1 host

Posted on 2012-12-20
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Last Modified: 2012-12-20
I created a ESXI 4.1 U1 host with local storage and I need to migrate a vm to it that has storage on a san which is setup with 8MB Block size. So I need my local storage on the new host to also be 8MB block size. Is this possible and if so, how do I change the block size to be 8MB on the local storage?
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Question by:vmich
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LVL 119
ID: 38710520
Delete the default datastore and reformat as 8MB block size.

or install ESXi 4.1 U1 on a USB flash drive, and then destroy the datastore, and re-create using 8MB block size.

if you have installed ESXi 4.1 U1 on the same set of disks, that are occupied by the datastore it can be difficult.

Install ESXi 4.1 U2, because you can specify it at installation!

see here

http://kb.vmware.com/kb/1012683
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Expert Comment

by:traoher
ID: 38710535
as indicated by hanccoka, you can't change block size without deleting the datastore and recreate it.

so if you have vmotion, configure a new datastore, vmotion the VMs out, then destroy the datastore and recreate it with the proper block size desire then delete the temporary datastore.
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Author Comment

by:vmich
ID: 38710550
I figured it out after sending this. I just deleted the datastore and recreated it with the 8MB block size.
Thanks
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by:vmich
ID: 38710591
I've requested that this question be closed as follows:

Accepted answer: 250 points for hanccocka's comment #a38710520
Assisted answer: 0 points for vmich's comment #a38710550

for the following reason:

delete and recreate datastore with 8MB
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LVL 119
ID: 38710592
If my Answer was Helpful, Please Assign Points.
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Author Comment

by:vmich
ID: 38710612
I did I thought I assigned 250 even though I figured it out before your reply.
I can try it again if the points did not come to you..
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Author Comment

by:vmich
ID: 38710630
I've requested that this question be closed as follows:

Accepted answer: 250 points for hanccocka's comment #a38710520
Assisted answer: 0 points for vmich's comment #a38710550

for the following reason:

Deleted and recreated the datastore with 8MB block size.
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LVL 119

Accepted Solution

by:
Andrew Hancock (VMware vExpert / EE MVE^2) earned 500 total points
ID: 38710631
Yes, it was a 500 point question! I'm collecting T-Shirts for Charity!

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Author Closing Comment

by:vmich
ID: 38710636
Ok sorry about that...
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LVL 119
ID: 38710645
No problems, Merry Christmas and A Happy New Year.
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Author Comment

by:vmich
ID: 38710656
Same to you......
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