Thank you François for your answer. now the drives are connected to an hp workstation - Intel® Xeon(R) CPU E5430 @ 2.66GHz × 4 I have a dual boot on machine with win 7 ultimate and Ubuntu 18.04.1 LTS I think I put my drives in the correct order based on the logs from my NAS and this is the point were I am in this moment root@Raid-on:~# mdadm --detail --scan INACTIVE-ARRAY /dev/md127 metadata=1.2 name=7c6ee8d2:data-0 UUID=ba35c20f:00e99fb7:438a7341:dd60ea4a INACTIVE-ARRAY /dev/md126 metadata=1.2 name=7c6ee8d2:1 UUID=404db06b:8e589748:2642bc94:76d8d451 ARRAY /dev/md/0 metadata=1.2 name=7c6ee8d2:0 UUID=e2babf7a:61021c07:01c4cc7d:6850366d INACTIVE-ARRAY /dev/md1 metadata=1.2 name=7c6ee8d2:1 UUID=befb8d42:405f562c:7ce1c907:0e41a61e ARRAY /dev/md/7c6ee8d2:1_0 metadata=1.2 name=7c6ee8d2:1 UUID=1369496d:edbc2d84:9b99b7b2:77fdbacf root@Raid-on:~# cat /proc/mdstat Personalities : [raid1] [linear] [multipath] [raid0] [raid6] [raid5] [raid4] [raid10] md125 : active (auto-read-only) raid1 sdc2[1] sdb2[0] 523712 blocks super 1.2 [2/2] [UU] md1 : inactive sdd2[1](S) 523760 blocks super 1.2 md0 : active raid1 sdc1[4] sdb1[6] sdd1[5] sde1[7] 4190208 blocks super 1.2 [4/4] [UUUU] md126 : inactive sde2[1](S) 523760 blocks super 1.2 md127 : inactive sdc3[1](S) sdb3[0](S) sdd3[3](S) sde3[2](S) 11701660642 blocks super 1.2 unused devices: <none> I don't know if I use the correct version of linux or if the BTRFS is mandatory to be installed to be able to recover the raid or at least the data from the array I was able to read active the raid with a windows program (reclaime) made by some russian / ukrainian girls but the software to recover was really expansive for a home user like me. For this reason I am this point thanks again for any kind of help thru this journey. kind regards Madalin On Thu, Sep 20, 2018 at 9:43 PM François Goudal <francois@xxxxxxxxxx> wrote: > > Le 20/09/2018 à 21:22, Madalin Grosu a écrit : > > Hello people, > > > > I already send an email regarding my problem on this list but nobody > > answer to me until now. > > I try to recovery my raid after I damaged based on my lack of > > experience with this kind of soft/hard devices. > > My raid is a NAS netgear 314, is software one based on debian (not > > sure about that, but is what i read on netgear forum) > > Partition with data is still there, the one with file system the > > same, only the one with Swap is partial damaged. > > If there is someone in the list that can help me with few answers at > > the beginning and some assistance during the recovery process in case > > I will stuck. > > Thanks in advance and I hope to hear you soon. > > Madalin Grosu > Hello, > > Unfortunately, your Netgear NAS, although possibly based on Linux > Debian, as you indicated, remains quite a blackbox to most people here, > I guess. > The terms you used such as "xraid" and "flex raid" are nothing that > exists in Linux. > They are probably fancy marketing names which Netgear has given to > either a regular linux raid of some sort, or something proprietary. > > That being said: > - Do you have access to a shell (preferably a root shell) on your NAS > device ? > - Do you have access to a Linux machine and do you have the > possibility to connect all of your disks to that machine ? > >