Rebuilding RAID 1 Array in Linux with a new hard disk after a disk fault - Howto with screen shots
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From: Michal on 18 Jun 2010 06:10 >> But how can this be correct when each raid partion is linked to the >> HDD/Partions >> >> >> # cat /proc/mdstat >> Personalities : [raid1] [raid6] [raid5] [raid4] >> md3 : active raid1 sda2[0] sdb2[1] >> 716796096 blocks [2/2] [UU] >> >> md2 : active raid1 sda5[0] sdb5[1] >> 51199040 blocks [2/2] [UU] >> >> md0 : active raid1 sda1[0] sdb1[1] >> 513984 blocks [2/2] [UU] >> >> md1 : active raid1 sda3[0] sdb3[1] >> 102398208 blocks [2/2] [UU] > > mdadm assembles an array according to data in the superblock so it > shouldn't matter whether the kernel recognizes sda and sdb as sdb and > sda respectively should you plug them in differently. > > A good point. Noted -- To UNSUBSCRIBE, email to debian-user-REQUEST(a)lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmaster(a)lists.debian.org Archive: http://lists.debian.org/4C1B44C2.8010208(a)ionic.co.uk
From: Huang, Tao on 18 Jun 2010 09:20 On Fri, Jun 18, 2010 at 6:02 PM, Tom H <tomh0665(a)gmail.com> wrote: [snip] > mdadm assembles an array according to data in the superblock so it > shouldn't matter whether the kernel recognizes sda and sdb as sdb and > sda respectively should you plug them in differently. so they's recognized with data in the superblock, that even uuid doesn't matter? Tao -- http://huangtao.me/ http://www.google.com/profiles/UniIsland -- To UNSUBSCRIBE, email to debian-user-REQUEST(a)lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmaster(a)lists.debian.org Archive: http://lists.debian.org/AANLkTimfQHxqDjrQ5LjCWwfwtlTWSB6ak_yDD2BZfbND(a)mail.gmail.com
From: Tom H on 20 Jun 2010 05:00
On Fri, Jun 18, 2010 at 9:11 AM, Huang, Tao <debian(a)huangtao.me> wrote: > On Fri, Jun 18, 2010 at 6:02 PM, Tom H <tomh0665(a)gmail.com> wrote: > [snip] >> mdadm assembles an array according to data in the superblock so it >> shouldn't matter whether the kernel recognizes sda and sdb as sdb and >> sda respectively should you plug them in differently. > > so they's recognized with data in the superblock, > that even uuid doesn't matter? UUIDs are held in superblocks. -- To UNSUBSCRIBE, email to debian-user-REQUEST(a)lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmaster(a)lists.debian.org Archive: http://lists.debian.org/AANLkTimnSBXvxjUu4LerzKLeDis0Oe470dtpU4Y2Yy6o(a)mail.gmail.com |