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Re: Bug#649597: /dev/disk/by-id incomplete with two exactly same USB disks



reassign 649597 src:linux

thanks

 

On Dienstag, 22. November 2011, Alain SAURAT wrote:

> Package: base

> Severity: normal

>

> I have connected two USB disk which are exactly indentical.

> The disks are Iomega 320Go and their ID is "ST332082_0AS_5F542FFFFFFF"

>

> The 1st have 4 partitions and the 2nd only one.

>

> "cat /dev/disk/by-id" only show a disk with 4 partitions :

>

> usb-ST332082_0AS_5F542FFFFFFF-0:0

> usb-ST332082_0AS_5F542FFFFFFF-0:0-part1

> usb-ST332082_0AS_5F542FFFFFFF-0:0-part2

> usb-ST332082_0AS_5F542FFFFFFF-0:0-part3

> usb-ST332082_0AS_5F542FFFFFFF-0:0-part4

>

> But there is cross references:

>

> If I make "dd if=/dev/disk/by-id/usb-ST332082_0AS_5F542FFFFFFF-0\:0 of=ggg

> count=1"

>

> I can see with "hd ggg" that this is the 2nd disk partition table and not

> the 1st.

>

> idem if I test with "usb-ST332082_0AS_5F542FFFFFFF-0:0-part1", but with 2,3

> and 4 this is really the parts of the 1st disk.

>

> So I suppose that during detection of the 1st disk, id are created

> correctly and when the 2nd is detected id are re-writen with the same

> name.

>

> system Infos:

> wheezy/sid on Marvell sheevaplug

> Linux SheevaDaily 3.0.0-1-kirkwood #1 Sun Aug 28 14:30:35 UTC 2011 armv5tel

> GNU/Linux

>

>

>

> -- System Information:

> Debian Release: squeeze/sid

> APT prefers lucid-updates

> APT policy: (500, 'lucid-updates'), (500, 'lucid-security'), (500,

> 'lucid-backports'), (500, 'lucid') Architecture: i386 (i686)

>

> Kernel: Linux 2.6.32-35-generic-pae (SMP w/2 CPU cores)

> Locale: LANG=fr_FR.UTF-8, LC_CTYPE=fr_FR.UTF-8 (charmap=UTF-8)

> Shell: /bin/sh linked to /bin/dash

 

 

 

 


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