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As my D: disk is almost full (2TB) I extended the FC lun to 2.5TB. The new 500Go are seen by windows as "Unalloacted" as expected.

I tried to extend the volume but windows says

There is not enough space available on the disk(s) to complete this operation

I read on the web that the disk should be configured as GPT and as a dynamic but it's already a dynamic GPT disk.

How can I extend my disk without any data loss? My operating system is Windows 2008 R2 x64 SP1 and the SAN is a 3PAR

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1 Answer

Solved!

I had to do a "Rescan disks" and then the extension worked!

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