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* josefh.maier@hushmail.com [Sat Oct 07, 2017 at 01:56:04PM +0200]:

I tried to make a backup of a HP DL380 G5 (W28K) with a HP Smart Array P400 controller with 4 RAID-members (4 75GB SAS drives) The Linux Live DVD's and Acronis TrueImage i' am unsing, do show that 4 disks as a singe LUN :-(

To my knowledge such "Single-LUN backups" can make problem if they should be restored if a harddisk is changed before...

Therefore i would feel much more comfortable, if from each harddirve could be made a separate DD-image. Question: Is there a way to have GRML seen that 4 disks as separate disks (and NOT as a single LUN)? Thank you very much for every feedback!

If you are seeing the 4 disks as just one (also see http://hwraid.le-vert.net/wiki/SmartArray) then not that I'd be aware of, AFAICT you have to remove the disks from the RAID controller and attach them without the RAID controller in between.

Though if a harddisk gets broken in your RAID setup and you depend on a raw disk backup of all involved disks then maybe you chose the wrong RAID approach/level and/or backup strategy? :) For sure it can make sense to clone a single disk from the RAID setup *when* needed, but then you remove it from the RAID (controller) anyway?

regards, -mika-