On Wed, 2 Jun 2010 20:53:28 -0400 Andrew Dunn <andrew.g.dunn.dod@xxxxxxxxx> wrote: > I have never noticed this, my apologies for not being able to resolve > this independently. > > I have this array that I am using for the primary bulk of my data and > today was the first day that I noticed this designator in the detailed > output: > > storrgie@MINERVA:~$ sudo mdadm -D /dev/md2 > /dev/md2: > Version : 00.90 > Creation Time : Fri Apr 30 21:13:28 2010 > Raid Level : raid6 > Array Size : 11721071616 (11178.09 GiB 12002.38 GB) > Used Dev Size : 1953511936 (1863.01 GiB 2000.40 GB) > Raid Devices : 8 > Total Devices : 8 > Preferred Minor : 2 > Persistence : Superblock is persistent snip > > What is the meaning of Preferred Minor : 2 ? It means that if the array is auto-assembled, whether by the kernel with auto-detect or by mdadm with --incremental or '-As', it will be assembled as /dev/md2 - i.e. the device file will have a major number of 9 (meaning an md raid array) and the minor number will be 2. NeilBrown > > Thank you all. > -- > 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 -- 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
