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ios_mx
Contributor
Contributor

How to transfer data from one virtualdisk to the other

We have two virtual harddisks on VM (/dev/sda1 & /dev/sdb). Harddisk (/dev/sda1/) is only 36 GB and out of space. Whereas hardisk (/dev/sdb) has 1 TB of space. How can we move data from /dev/sda1 to /dev/sdb?

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Kahonu84
Hot Shot
Hot Shot

Copy within the OS???

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Hasaranga007
Contributor
Contributor

Yes , You can move files from one disk to another withing OS .

However, you might need to reclaim the space to reflect it in the datastore.

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ios_mx
Contributor
Contributor

Yeap. Within OS.

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ios_mx
Contributor
Contributor

Are there any documentation/video pointers?

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Hasaranga007
Contributor
Contributor

Hi ,

It just moving files , if it's a Linux OS

mv (source location) (destination location)

obviously destination should be in a folder in  "/dev/sdb" , as per your case.

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scott28tt
VMware Employee
VMware Employee

The same way as you would if the guest OS was installed on a physical machine rather than it being in a VM.

(This isn't a VMware-related question)

 


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ios_mx
Contributor
Contributor

Looks like I didn't describe it properly. We want to copy everything from 'dev/sda1' to '/dev/sdb' and also make sure that when VM comes up it boots up using '/dev/sdb'. Also, after little bit of investigation, I found it that '/dev/sdb' is just inserted and not mounted. Wondering if there is any easier way through ESXi to perform these tasks.

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