hello, i'm new here,,happy new year for all
i've prblm on my hp dl360 server 4 disc raid 10, with poor handling, the server does not recognize any partition, unfortunately it is a mail server (backup), pleas help
thank you

I would go by steps.

First of all, mark all drives, remove them from the server and test them individually.
After that, you need to identify which drives belongs to what and separate the 2 RAID0 individually.
After that, you have to rebuild the 2 RAID0 and compare them.

Suggest you here: Dr.Kiev the RAID Master here
he is the one

good luck\

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

I try to change hard disk, but still do not see partitions

Please be a little bit more specific than that.

I replace the disk one after another by another disc that is in good operating.
what you mean to remake the raid?

and how to separate between the 02 RAID ?
thank's

You have to know how to analyze the drives at low level and understand the data on them.
Based on that you can separate the 2 RAID0.

@kamou18

Also, rebuilding (or "remake" as you mentioned) the RAID is not a good idea as it means jeopardizing the data integrity.

You have to first identify what is wrong with each drive. You may have more than one drive failed.

This is a really difficult DIY - it seems - based on the questions you asked.

_________________
Hard Disk Drive (HDD), Solid State Drive (SSD, SATA, NVMe, etc), USB Flash Drive and RAID Data Recovery Specialist in Massachusetts

Where are you based kamou18 ?