>>>>> "Piergiorgio" == Piergiorgio Sartor <piergiorgio.sartor@xxxxxxxx> writes: Piergiorgio> On Wed, Oct 04, 2017 at 01:23:02PM +0200, Artur Paszkiewicz wrote: >> On 10/04/2017 01:02 PM, Artur Paszkiewicz wrote: >> > Applications like mdadm can use this to hide/unhide their component >> > devices. >> >> And here is an example patch for mdadm. It adds options to manually hide >> or unhide the component devices: >> >> mdadm --hide-components /dev/md0 >> mdadm --unhide-components /dev/md0 Piergiorgio> This seems to me already quite sensible. >> >> And an option for mdadm.conf that automatically hides the array's member >> disks when assembling and when new disks are added: >> >> ARRAY /dev/md/0 metadata=1.2 UUID=c2c4f8c6:cd775924:9cb2cc62:88fa45bd >> name=linux-ns31:0 hide-components=yes >> >> Hidden disks (by mdadm --hide-components or by config) should unhide >> when the array is stopped or disks are removed. It only works for whole >> devices, not partitions. Piergiorgio> Well, this, on the other hands, it makes it not really Piergiorgio> useful. Yeah, this totally doesn't work or scale. If you're using partitions (why would you not?) as raid devices, even on a whole disk, you now limit yourself. -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
