Gentoo Archives: gentoo-user

From: Michael Mol <mikemol@×××××.com>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] Localmount starts before LVM
Date: Tue, 11 Dec 2012 13:06:51
Message-Id: CA+czFiAHWY6bWbyKC2cO-q_O6HrXwmU-B1dBqj2F-Vg3N-0pcw@mail.gmail.com
In Reply to: Re: [gentoo-user] Localmount starts before LVM by Nilesh Govindrajan
1 On Dec 11, 2012 7:57 AM, "Nilesh Govindrajan" <me@××××××××.com> wrote:
2 >
3 > On Tuesday 11 December 2012 05:18 PM, J. Roeleveld wrote:
4 > >
5 > > Ouch, auto-detect does not work with metadata 1.2.
6 > > Please read the man-page section:
7 > > ===
8 > > --auto-detect
9 > > Request that the kernel starts any auto-detected arrays. This can
10 only
11 > > work if md is compiled into the kernel - not if it is a module. Arrays
12 > > can be auto-detected by the kernel if all the components are in
13 > > primary MS-DOS partitions with partition type FD, and all use v0.90
14 > > metadata. In-kernel autodetect is not recommended for new
15 > > installations. Using mdadm to detect and assemble arrays - possibly in
16 > > an initrd - is substantially more flexible and should be preferred.
17 > > ===
18 > >
19 > > Please rebuild the raid-device using v0.90 metadata and try again.
20 > >
21 >
22 > I never had mdadm running in boot runlevel and I don't have a modular
23 > kernel. I have compiled everything into the kernel and hence no initrd
24 > either as I said earlier.
25 >
26 > Raid autodetection seems to work even _without_ mdadm running.
27 >
28 > ------------------------------
29 >
30 > [ 1.202481] md: Waiting for all devices to be available before
31 autodetect
32 > [ 1.204268] md: If you don't use raid, use raid=noautodetect
33 > [ 1.206201] md: Autodetecting RAID arrays.
34 > [ 1.232482] md: invalid raid superblock magic on sdb1
35 > [ 1.234306] md: sdb1 does not have a valid v0.90 superblock, not
36 > importing!
37 > [ 1.263187] md: invalid raid superblock magic on sdd1
38 > [ 1.265034] md: sdd1 does not have a valid v0.90 superblock, not
39 > importing!
40 > [ 1.285106] md: invalid raid superblock magic on sdc1
41 > [ 1.286960] md: sdc1 does not have a valid v0.90 superblock, not
42 > importing!
43 > [ 1.288787] md: Scanned 3 and added 0 devices.
44 > [ 1.290590] md: autorun ...
45 > [ 1.292380] md: ... autorun DONE.
46 > [ 1.340838] UDF-fs: warning (device sda1): udf_fill_super: No
47 > partition found (1)
48 > [ 1.350473] XFS (sda1): Mounting Filesystem
49 > [ 1.454096] usb usb5: suspend_rh (auto-stop)
50 > [ 1.454130] usb usb4: suspend_rh (auto-stop)
51 > [ 1.455673] usb usb2: suspend_rh (auto-stop)
52 > [ 1.455698] usb usb3: suspend_rh (auto-stop)
53 > [ 1.573933] XFS (sda1): Ending clean mount
54 > [ 1.575762] VFS: Mounted root (xfs filesystem) readonly on device 8:1.
55 > [ 1.578193] Freeing unused kernel memory: 456k freed
56 > [ 1.580154] BFS CPU scheduler v0.425 by Con Kolivas.
57 > [ 2.503599] systemd-udevd[974]: starting version 196
58 > [ 2.704048] hub 2-0:1.0: hub_suspend
59 > [ 2.704063] usb usb2: bus auto-suspend, wakeup 1
60 > [ 2.704068] usb usb2: suspend_rh
61 > [ 2.704091] hub 3-0:1.0: hub_suspend
62 > [ 2.704098] usb usb3: bus auto-suspend, wakeup 1
63 > [ 2.704102] usb usb3: suspend_rh
64 > [ 2.708031] hub 4-0:1.0: hub_suspend
65 > [ 2.708041] usb usb4: bus auto-suspend, wakeup 1
66 > [ 2.708046] usb usb4: suspend_rh
67 > [ 2.712023] hub 5-0:1.0: hub_suspend
68 > [ 2.712030] usb usb5: bus auto-suspend, wakeup 1
69 > [ 2.712034] usb usb5: suspend_rh
70 > [ 2.794061] hub 1-6:1.0: hub_suspend
71 > [ 2.794072] usb 1-6: unlink qh256-0001/ffff8800bb832980 start 1 [1/0
72 us]
73 > [ 2.797202] usb 1-6: usb auto-suspend, wakeup 1
74 > [ 2.973953] md: bind<sdb1>
75 > [ 3.020879] md: bind<sdc1>
76 > [ 3.086724] md: bind<sdd1>
77 > [ 3.087690] bio: create slab <bio-1> at 1
78 > [ 3.087705] md/raid0:md0: md_size is 2266111488 sectors.
79 > [ 3.087708] md: RAID0 configuration for md0 - 3 zones
80 > [ 0.524821] ACPI: Invalid Power Resource to register!
81 > [ 3.087711] md: zone0=[
82 > [ 3.087714] sdb1/sdc1/sdd1]
83 > [ 3.087721] zone-offset= 0KB, device-offset=
84 > 0KB, size= 468863328KB
85 > [ 3.087723] md: zone1=[sdb1/sdc1]
86 > [ 3.087730] zone-offset= 468863328KB, device-offset=
87 > 156287776KB, size= 664191360KB
88 > [ 3.087732] md: zone2=[sdb1]
89 > [ 3.087737] zone-offset=1133054688KB, device-offset=
90 > 488383456KB, size= 1056KB
91 >
92 > [ 3.087752] md0: detected capacity change from 0 to 1160249081856
93 > [ 3.098375] md0: unknown partition table
94 >
95 > -------------------------------------------------------------------------
96 >
97 > Where did md0 come from if it was not setup by mdadm?
98
99 Metadata format 0.9 supports auto-detection by the kernel.
100
101 >
102 > --
103 > Nilesh Govindarajan
104 > http://nileshgr.com
105 >