Hi all
As my thread from the 7.1.2014 didn't bring any hint or any reply or way out, I tried to figure out which might get me started again:
As five disks show no md superblock and four didn't see a partition layout (to contain a superblock) I'd like to (re)create a fitting partition and then (re)create a new md superblock info on all disks.
A) should I use parted (manual) or testdisk (export/import)? As I could read the structure from any of the three working disks as all should be the same.
B) my first try would be to (temper with md ...) create a plain 1:1 system like before
"mdadm --create --assume-clean /dev/md0 --level=5 --raid-devices=8 /dev/sd{a,c,d,e,f,g,h}3 missing"
(as the sdb was spilled out some weeks before, so outdated)
When this doesn't work I'd try
"mdadm --create --assume-clean /dev/md0 --level=5 --raid-devices=8 /dev/sd{a,b,c,d,e,f,g,h}3"
to gather at least the week old layout & data
C) "fsck.ext4 /dev/md0" on the array afterwards
D) "mdadm --detail --scan --verbose > /etc/mdadm.conf"
[which is a missing function in the QNAP md implantation]
Cheers
Michael Samer
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