Gentoo Archives: gentoo-user

From: Mark Knecht <markknecht@×××××.com>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] Hard drives not detected in repeatable order.
Date: Mon, 03 Oct 2011 19:58:50
Message-Id: CAK2H+eePwcMNpkYvxES7XX4iUg6BKAYAcjotoVF4wC5Kkqyc8Q@mail.gmail.com
In Reply to: [gentoo-user] Hard drives not detected in repeatable order. by Grant Edwards
1 On Mon, Oct 3, 2011 at 11:40 AM, Grant Edwards
2 <grant.b.edwards@×××××.com> wrote:
3 > Just recently I've run in to problems because my hard drives are not
4 > detected in a predictable order, so my fstab that mount /dev/sdb1 and
5 > /dev/sdc1 sometimes result in directory trees in the wrong places
6 > (/dev/sda seems consistent, but I don't know why).
7 >
8 > What's the recommended way to fix this?
9 >
10 > --
11 > Grant Edwards               grant.b.edwards        Yow! Boy, am I glad it's
12 >                                  at               only 1971...
13 >                              gmail.com
14
15 Did you possibly update your kernel? You might want to run smartctl
16 and see if any drives are developing problems.
17
18 Check out blkid for more device info and mount either by label or UUID
19 for more reliability.
20
21 - Mark
22
23 c2stable ~ # /sbin/blkid -o list
24 device fs_type label mount point UUID
25 ----------------------------------------------------------------------------------------------------------------
26 /dev/sdb1 ext2 (not mounted)
27 b9dd1fb9-5c7b-459c-a7fc-ca8ebe032fcc
28 /dev/sdb2 swap <swap>
29 2ea74bbb-8c1d-4a32-939d-512db4e40a54
30 /dev/sdb3 linux_raid_member c2stable:3 (in use)
31 de47f991-86d9-8467-0637-635b9c6d0591
32 /dev/sdb5 linux_raid_member (in use)
33 edb0ed65-6e87-b20e-dc0d-88ba780ef6a3
34 /dev/sdb6 linux_raid_member c2stable:6 (in use)
35 249c7331-a820-3540-c8f3-b020fb30a66b
36 /dev/sdb7 linux_raid_member c2stable:7 (in use)
37 ded5e0c6-1a5a-73ad-0194-9557bb4e015a
38 /dev/sdd2 linux_raid_member c2stable:7 (in use)
39 ded5e0c6-1a5a-73ad-0194-9557bb4e015a
40 /dev/sdd3 linux_raid_member c2stable:3 (in use)
41 de47f991-86d9-8467-0637-635b9c6d0591
42 /dev/sdd4 ext3 (not mounted)
43 d218024b-c219-4e79-8d65-51f13ec43a45
44 /dev/sde2 linux_raid_member c2stable:7 (in use)
45 ded5e0c6-1a5a-73ad-0194-9557bb4e015a
46 /dev/sde3 linux_raid_member c2stable:3 (in use)
47 de47f991-86d9-8467-0637-635b9c6d0591
48 /dev/sda1 ext2 boot (not mounted)
49 4efd04f2-839f-4e11-a32d-8fa25129b541
50 /dev/sda2 swap <swap>
51 ed41217e-abf4-4c60-a985-c0420eb054f3
52 /dev/sda3 linux_raid_member c2stable:3 (in use)
53 de47f991-86d9-8467-0637-635b9c6d0591
54 /dev/sda5 linux_raid_member (in use)
55 edb0ed65-6e87-b20e-dc0d-88ba780ef6a3
56 /dev/sda6 linux_raid_member c2stable:6 (in use)
57 249c7331-a820-3540-c8f3-b020fb30a66b
58 /dev/sda7 linux_raid_member c2stable:7 (in use)
59 ded5e0c6-1a5a-73ad-0194-9557bb4e015a
60 /dev/sdc1 ext2 (not mounted)
61 27f276fa-6f62-4769-b9d7-deb511dfc60a
62 /dev/sdc2 swap <swap>
63 0c6a1bd0-291e-4157-9b6a-67f7801c7a5e
64 /dev/sdc3 linux_raid_member c2stable:3 (in use)
65 de47f991-86d9-8467-0637-635b9c6d0591
66 /dev/sdc5 linux_raid_member (in use)
67 edb0ed65-6e87-b20e-dc0d-88ba780ef6a3
68 /dev/sdc6 linux_raid_member c2stable:6 (in use)
69 249c7331-a820-3540-c8f3-b020fb30a66b
70 /dev/sdc7 linux_raid_member c2stable:7 (in use)
71 ded5e0c6-1a5a-73ad-0194-9557bb4e015a
72 /dev/md126 ext3 /
73 d55d673f-76d8-41ec-8dda-908287a97e42
74 /dev/md3 ext4 RAID6root (not mounted)
75 80c3ebf0-d92f-415f-a6d7-1cdb1ceab593
76 /dev/md7 ext3 VirtualMachines /VirtualMachines
77 eb5f3040-4114-442e-8d34-16859e720310
78 /dev/md6 ext3 (not mounted)
79 be24fdaa-dfb5-461e-8232-bb236fe6f1f3
80 c2stable ~ #