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March 10th, 2022 07:00
PS4110 - Transfer files between volumes
Is it possible to transfer files between volumes?
I have a SAN with 8 Volumes, half are NTFS and host Hyper-V guests, and half are VMFS and host VMWare guests.
I have some data on one of the NTFS volumes that I need to get to the VMFS volume.
It turns out that's more complicated than it seemed at first, as the VMware environment cannot talk to the NTFS volume and vice versa.
I thought that it should be a simple thing to log in to the SAN and ask it to copy (or move!) a folder from one volume to another. After some reading, and hunting around hte net, and tearing out my hair, I begin to fear that it's not possible. Am I wrong? Can it be done? If so, how?
Cheers
Nuffius
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DELL-Josh Cr
Moderator
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March 10th, 2022 11:00
Hi,
What version of the management software are you using? Page 158 https://dell.to/3I5K3kS
Origin3k
4 Operator
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March 10th, 2022 22:00
A EqualLogic is a BLOCK Storage like many others and when speaking of iSCSI its true for all of them. The SAN has no information about what the Host is doing or what kind of Filesystem the Host is use.
The EQL doesnt know anything about NTFS, EXT3,4,ReFS or Filepermissions.
Regards,
Joerg
dwilliam62
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1.5K Posts
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March 13th, 2022 04:00
Hello,
As mentioned it can't be done at the SAN level. Block storage is very different from NAS devices.
However, one way to do what you want in VMware ESXi, attach the NTFS (EQL) volume to to a VM via Raw Device Mapping (RDM). Then create the VMDK disk you want to migrate the NTFS data to. When you boot up the VM, you can copy the files from NTFS/RDM to VMDK. Then shutdown the VM, and UNMAP the RDM/NTFS volume. Boot back up and you are done, and you still have the data on the EQL NTFS volume as a roll back.
Regards,
Don