On Sun, Jun 26, 2011 at 2:25 PM, Andrew McGlashan <andrew.mcglas...@affinityvision.com.au> wrote:
> Anyway.... the long and short of it is, I can use mdadm without regard to > what devices are found, such as /dev/sda /dev/sdb /dev/sdc and the like as I > rely purely on the UUID functionality, which as you know, mdadm handles > perfectly well. ;-) :) ...mmmm you see, this is the bit that has me concerned. /dev/mdN can be referred to by its unique UUID, but that's *not* what i'm referring to. and, from what you're saying, you appear to be implying that yes, the external drives can pop up as /dev/sda through /dev/sdc and be "confused" - and thus it is pure luck (or actually design) that the drives *happen* to all be part of the same identical RAID-1 mirroring array. so i realise martin that you've already answered, but it would be really good if you could explicitly confirm: yes, mdadm names its RAID drives by UUID (as can clearly be seen in /dev/mdadm/mdadm.conf) but does it *also* refer to its *COMPONENT* drives (internally, and non-obviously, and undocumentedly) by UUID and then report to the outside world that it's using whatever name (/dev/sdX) which can, under these external-drives scenario, change. l. -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/BANLkTi=tzm+p-tgq1hjo6khljg_ufm9...@mail.gmail.com
