On Sat, Sep 11, 2010 at 05:21:44PM +0200, Florian Kulzer wrote:
> On Fri, Sep 10, 2010 at 13:13:50 -0400, Stephen Powell wrote:
> > On Fri, 10 Sep 2010 12:47:33 -0400 (EDT), Rick Pasotto wrote:
> > > On Fri, Sep 10, 2010 at 12:18:07PM -0400, Stephen Powell wrote:
> > >> What happens if, after the system has booted,
> > >> you issue a manual mount command as root, using the new device
> > >> name?
> > >>
> > >> mount -t ext3 /dev/sdc1 /hd0
> > >
> > > That works perfectly.
>
> [...]
>
> > >> then try
> > >>
> > >> umount /hd0
> > >> mount -t ext3 UUID=03c23684-dea8-458d-b04b-0ae8a056cb0d /hd0
> > >
> > > mount: special device UUID=03c23684-dea8-458d-b04b-0ae8a056cb0d does not
> > > exist
> > >>
> > >> then try
> > >>
> > >> umount /hd0
> > >> mount -t ext3 LABEL=hdb1 /hd0
> > >
> > > mount: special device LABEL=hdb1 does not exist
>
> [...]
>
> > OK, this looks like a udev problem of some sort. The udev aliases
> > are not being created. I'm not sure why yet.
>
> My guess would be that blkid does not read the UUID and label of the
> partition correctly. AFAIK, udev relies on blkid to obtain the
> information that is necessary to populate the /dev/disk/by-label/ and
> /dev/disk/by-uuid/ directories. Here is an example of how it should
> work:
>
> $ /sbin/blkid /dev/sda5
> /dev/sda5: LABEL="root" UUID="d0100d2c-69e9-4a37-bf17-9af5ff151032"
> TYPE="ext3"
>
> Rick, if "/sbin/blkid /dev/sdc1" fails report anything on your system
> then show us the output of:
>
> BLKID_DEBUG=0xffff /sbin/blkid /dev/sdc1
If by "fail" you mean no output then it failed, so:
niof:~# BLKID_DEBUG=0xffff /sbin/blkid /dev/sdc1 > blkid.out
reading config file: /etc/blkid.conf.
/etc/blkid.conf: does not exist, using built-in default
Here's the sdc1 stanza (do you need what it showed for the other devices?):
need to revalidate /dev/sdc1 (cache time 2147483648, stat time 1284082698,
time since last check 3431704611)
ready for low-probing, offset=0, size=20003848704
chain safeprobe superblocks ENABLED
--> starting probing loop [SUBLKS idx=-1]
[0] linux_raid_member:
call probefunc()
buffer read: off=20003749888 len=64
buffer read: off=20003840000 len=64
buffer read: off=0 len=64
buffer read: off=4096 len=64
[1] ddf_raid_member:
call probefunc()
buffer read: off=20003848192 len=40
buffer read: off=20003717120 len=40
[2] isw_raid_member:
call probefunc()
buffer read: off=20003847680 len=48
[3] lsi_mega_raid_member:
call probefunc()
reuse buffer: off=20003848192 len=40
[4] via_raid_member:
call probefunc()
buffer read: off=20003848192 len=51
[5] silicon_medley_raid_member:
call probefunc()
buffer read: off=20003848192 len=292
[6] nvidia_raid_member:
call probefunc()
reuse buffer: off=20003847680 len=48
[7] promise_fasttrack_raid_member:
call probefunc()
buffer read: off=20003816448 len=24
buffer read: off=20003718144 len=24
buffer read: off=20003717632 len=24
buffer read: off=20003840512 len=24
buffer read: off=20003644416 len=24
[8] hpt45x_raid_member:
call probefunc()
buffer read: off=20003843072 len=4
[9] hpt37x_raid_member:
buffer read: off=4096 len=1024
reuse buffer: off=4096 len=1024
[10] adaptec_raid_member:
call probefunc()
buffer read: off=20003848192 len=512
[11] jmicron_raid_member:
call probefunc()
reuse buffer: off=20003848192 len=40
[12] drbd:
call probefunc()
buffer read: off=20003844608 len=4096
[13] LVM2_member:
buffer read: off=0 len=1024
reuse buffer: off=0 len=1024
buffer read: off=1024 len=1024
reuse buffer: off=1024 len=1024
[14] LVM1_member:
reuse buffer: off=0 len=1024
[15] DM_snapshot_cow:
reuse buffer: off=0 len=1024
[16] crypto_LUKS:
reuse buffer: off=0 len=1024
[17] VMFS_volume_member:
buffer read: off=1048576 len=1024
[18] vfat:
reuse buffer: off=0 len=1024
reuse buffer: off=0 len=1024
magic sboff=82, kboff=0
call probefunc()
reuse buffer: off=0 len=1024
reuse buffer: off=0 len=1024
look for label in root-dir (entries: 512, offset: 9779200)
buffer read: off=9779200 len=16384
buffer read: off=16392 len=16384
reuse buffer: off=0 len=1024
assigning LABEL [superblocks]
assigning UUID [superblocks]
assigning TYPE [superblocks]
<-- leaving probing loop (type=vfat) [SUBLKS idx=18]
--> starting probing loop [SUBLKS idx=18]
[19] swsuspend:
buffer read: off=3072 len=1024
reuse buffer: off=3072 len=1024
reuse buffer: off=3072 len=1024
reuse buffer: off=3072 len=1024
buffer read: off=7168 len=1024
reuse buffer: off=7168 len=1024
reuse buffer: off=7168 len=1024
reuse buffer: off=7168 len=1024
buffer read: off=15360 len=1024
reuse buffer: off=15360 len=1024
reuse buffer: off=15360 len=1024
reuse buffer: off=15360 len=1024
reuse buffer: off=16392 len=16384
reuse buffer: off=16392 len=16384
reuse buffer: off=16392 len=16384
reuse buffer: off=16392 len=16384
buffer read: off=64512 len=1024
reuse buffer: off=64512 len=1024
reuse buffer: off=64512 len=1024
reuse buffer: off=64512 len=1024
[20] swap:
reuse buffer: off=3072 len=1024
reuse buffer: off=3072 len=1024
reuse buffer: off=7168 len=1024
reuse buffer: off=7168 len=1024
reuse buffer: off=15360 len=1024
reuse buffer: off=15360 len=1024
reuse buffer: off=16392 len=16384
reuse buffer: off=16392 len=16384
reuse buffer: off=64512 len=1024
reuse buffer: off=64512 len=1024
[21] xfs:
reuse buffer: off=0 len=1024
[22] ext4dev:
reuse buffer: off=1024 len=1024
magic sboff=56, kboff=1
call probefunc()
reuse buffer: off=1024 len=1024
[23] ext4:
reuse buffer: off=1024 len=1024
magic sboff=56, kboff=1
call probefunc()
reuse buffer: off=1024 len=1024
[24] ext3:
reuse buffer: off=1024 len=1024
magic sboff=56, kboff=1
call probefunc()
reuse buffer: off=1024 len=1024
ext2_sb.compat = 00000004:00000006:00000003
assigning LABEL [superblocks]
assigning UUID [superblocks]
assigning TYPE [superblocks]
<-- leaving probing loop (type=ext3) [SUBLKS idx=24]
--> starting probing loop [SUBLKS idx=24]
[25] ext2:
reuse buffer: off=1024 len=1024
magic sboff=56, kboff=1
call probefunc()
reuse buffer: off=1024 len=1024
[26] jbd:
reuse buffer: off=1024 len=1024
magic sboff=56, kboff=1
call probefunc()
reuse buffer: off=1024 len=1024
[27] reiserfs:
buffer read: off=8192 len=1024
buffer read: off=65536 len=1024
reuse buffer: off=65536 len=1024
reuse buffer: off=65536 len=1024
reuse buffer: off=8192 len=1024
[28] reiser4:
reuse buffer: off=65536 len=1024
[29] jfs:
buffer read: off=32768 len=1024
[30] udf:
reuse buffer: off=32768 len=1024
reuse buffer: off=32768 len=1024
reuse buffer: off=32768 len=1024
reuse buffer: off=32768 len=1024
reuse buffer: off=32768 len=1024
reuse buffer: off=32768 len=1024
reuse buffer: off=32768 len=1024
[31] iso9660:
reuse buffer: off=32768 len=1024
reuse buffer: off=32768 len=1024
[32] zfs:
buffer read: off=131072 len=1024
reuse buffer: off=131072 len=1024
buffer read: off=135168 len=1024
reuse buffer: off=135168 len=1024
buffer read: off=139264 len=1024
reuse buffer: off=139264 len=1024
buffer read: off=393216 len=1024
reuse buffer: off=393216 len=1024
buffer read: off=397312 len=1024
reuse buffer: off=397312 len=1024
buffer read: off=401408 len=1024
reuse buffer: off=401408 len=1024
[33] hfsplus:
reuse buffer: off=1024 len=1024
reuse buffer: off=1024 len=1024
reuse buffer: off=1024 len=1024
[34] hfs:
reuse buffer: off=1024 len=1024
[35] ufs:
call probefunc()
buffer read: off=0 len=1377
buffer read: off=8192 len=1377
buffer read: off=65536 len=1377
buffer read: off=262144 len=1377
[36] hpfs:
reuse buffer: off=8192 len=1024
[37] sysv:
call probefunc()
reuse buffer: off=0 len=1024
buffer read: off=9728 len=512
reuse buffer: off=15360 len=1024
reuse buffer: off=16392 len=16384
[38] xenix:
buffer read: off=2048 len=1024
reuse buffer: off=2048 len=1024
[39] ntfs:
reuse buffer: off=0 len=1024
[40] cramfs:
reuse buffer: off=0 len=1024
reuse buffer: off=0 len=1024
[41] romfs:
reuse buffer: off=0 len=1024
[42] minix:
reuse buffer: off=1024 len=1024
reuse buffer: off=1024 len=1024
reuse buffer: off=1024 len=1024
reuse buffer: off=1024 len=1024
reuse buffer: off=1024 len=1024
[43] gfs:
reuse buffer: off=65536 len=1024
[44] gfs2:
reuse buffer: off=65536 len=1024
[45] ocfs:
reuse buffer: off=8192 len=1024
[46] ocfs2:
reuse buffer: off=1024 len=1024
reuse buffer: off=2048 len=1024
reuse buffer: off=4096 len=1024
reuse buffer: off=8192 len=1024
[47] oracleasm:
reuse buffer: off=0 len=1024
[48] vxfs:
reuse buffer: off=1024 len=1024
[49] squashfs:
reuse buffer: off=0 len=1024
reuse buffer: off=0 len=1024
reuse buffer: off=0 len=1024
reuse buffer: off=0 len=1024
[50] nss:
reuse buffer: off=4096 len=1024
[51] btrfs:
reuse buffer: off=65536 len=1024
[52] ubifs:
reuse buffer: off=0 len=1024
[53] bfs:
reuse buffer: off=0 len=1024
[54] VMFS:
buffer read: off=2097152 len=1024
<-- leaving probing loop (failed) [SUBLKS idx=54]
ERROR: superblocks chain: ambivalent result detected (2 filesystems)!
freeing dev /dev/sdc1 ((null))
dev: name = /dev/sdc1
dev: DEVNO="0x0"
dev: TIME="-2147483648"
dev: PRI="0"
dev: flags = 0x00000000
The last part of the output for /dev/sdc5 is:
<-- leaving probing loop (failed) [SUBLKS idx=54]
ERROR: superblocks chain: ambivalent result detected (2 filesystems)!
freeing dev /dev/sdc5 ((null))
dev: name = /dev/sdc5
dev: DEVNO="0x0"
dev: TIME="-2147483648"
dev: PRI="0"
dev: flags = 0x00000000
So, will fsck fix it?
--
"In 1792, there was [enacted] a death penalty for counterfeiting.
I think it should be applied to the Federal Reserve." -- Ron Paul
Rick Pasotto r...@niof.net http://www.niof.net
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