[dm-crypt] Problem with udev and dmcrpyt

Aaron Lewis aaron.lewis1989 at gmail.com
Fri Jul 16 13:59:26 CEST 2010


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On 07/16/2010 07:26 PM, Milan Broz wrote:
> On 07/16/2010 01:15 PM, Aaron Lewis wrote:
> 
>>> The "name" is whatever you call it when you run cryptsetup luksOpen (or
>>> create). The file system inside the volume can be identified by UUID as
>>> any file system can.
>>
>> For example ? With udev rules or dmcrypt configurations ?
> 
> See ehat dm udev rules is doing - using DM_NAME attribute to create symlinks etc.
> There is nothing special needed for dm-crypt - DM rules are common.
> 
> ls /lib/udev/rules.d/*-dm-*
> /lib/udev/rules.d/11-dm-lvm.rules
> /lib/udev/rules.d/13-dm-disk.rules
> /lib/udev/rules.d/95-dm-notify.rules

Yep , so udev reads two directory as configurations ?
+ /etc/udev/rules.d
+ /lib/udev/rules.d

All Right , i removed my hacks , now:

%> sudo cryptsetup luksClose /dev/mapper/code
%> sudo cryptsetup luksOpen /dev/sda8 code

Kernel Messages:

udevd-work[11168]: kernel-provided name 'dm-1' and NAME=
'mapper/temporary-cryptsetup-11166' disagree, please use SYMLINK+= or
change the kernel to provide the proper name

udevd-work[11168]: device node '/dev/mapper/temporary-cryptsetup-11166'
already exists, link to '/dev/mapper/temporary-cryptsetup-11166' will
not overwrite it

udevd-work[11168]: kernel-provided name 'dm-1' and NAME= 'mapper/code'
disagree, please use SYMLINK+= or change the kernel to provide the
proper name

udevd-work[11168]: device node '/dev/mapper/code' already exists, link
to '/dev/mapper/code' will not overwrite it

Doesn't looks like anybody else , wired problem.
I should be able to get rid of those messages , right ?

Many thanks.



- -- 
Best Regards,
Aaron Lewis - PGP: 0x4A6D32A0
FingerPrint EA63 26B2 6C52 72EA A4A5 EB6B BDFE 35B0 4A6D 32A0
irc: A4r0n on freenode
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