Hi to all!

4hdds 274.8gb => 1 Partition 836.68GB LVM PHYSICAL VOLUME PARTITION

Which tool to use in this case?

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Нет ничего невозможного

linux of course.

btw LVM is a device mapper layer, so if the LV is untouched, you can find the FS inside 1:1

Also, if you can access to an EnCase... There is a fonctionnality that scan for LVM...

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Lemmy

SystemRescueCd

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DataRecovery.bg

Agree with you on this

i have a ready Linux machine for this purpose fully loaded with all of the RAID tools
and use it most in those NAS (RAID) fixing and repairing

MUST to have one in ur LAB

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Kuwait Data Recovery - UNIX GTC
The only reason for time is so that everything doesn't happen at once. By: Albert Einstein

sudo pvscan
sudo vgchange -a -y

Should assemble and attach your Volume Groups, there can be multiple LVMs in a Volume group,

If it does not, please post the output of

sudo pvscan -vvvvvv

For this case you need 3 things:

Winhex
UFS Explorer
A Brain

Eh, worst comes to worst you just need two linux built-ins, hexdump to find the beginning of the partition and mount -o offset=<the offset in bytes to the partition>

You don't need Winhex or UFS Explorer.

Brain is not optional
Brain is never optional

Disagree with you here

Winhex is a MUST have tool for RAID
you may ask the Experts in RAID to confirm this info.

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Kuwait Data Recovery - UNIX GTC
The only reason for time is so that everything doesn't happen at once. By: Albert Einstein

For Linux LVM you don't need Winhex. (Are LVMs even stripped? Can Winhex even read LVMs?) As far as RAIDs go, I either use a custom written python script to assemble them (for RAID5 and RAID0 with stripe size < 4KiB) or use mdadm --build to assemble the RAID without a RAID superblock.

I haven't needed to assemble a RAID6 yet, but I already know the process if that becomes needed. Hard part would be finding the correct LFSR.

I'm sure Winhex makes it easier, but I don't need easier.