what i did
- download the iso and extract it
- go into the file install/preseed.cfg
- to the section "### Partitioning" comment all lines and save
- burn the new iso with this command line from debian's wiki
# genisoimage -o test.iso -r -J -no-emul-boot -boot-load-size 4 \-boot-info-table -b isolinux/isolinux.bin -c isolinux/boot.cat ./cd
- with a live cd i create a GPT for each disk
- boot on the cd and to partitionning do what you want
- in my case i create
sda1 | sda2 | sda3 | sda4 |
1MB boot-bios | 2GB swap | 1GB raid10 | max raid10 |
- do the same thing for sdb, sdc and sdd
- i choose to install OMV (file system /) on /dev/md126 (sd[abcd]3) with ext4
- finish the install
on the web-gui prepare the /dev/md127 (sd[abcd]4) as you want (eg one partition ext4 for data)
so, i have one install without usb key
what do you think ? and how can i do better ? (learn preseed, partman, debootstrap, ...)
you might also copy grub on another disk (to change boot order if one disk crash)
thanks to write this post in a good english if you want ... sorry !