Package: udev
Version: 0.105
There are two USB disks for back up the system, all disks has cryptfs.
When I plug one of them (it doesn't matter which) udev gives same serial number.
I have tested I plug all two disks at simultaneously, here is the output:
# udevinfo -a -p /sys/block/sdb | grep serial
ATTRS{serial}=="31AF4D71B008"
ATTRS{serial}=="0000:00:1d.7"
# udevinfo -a -p /sys/block/sdc | grep serial
ATTRS{serial}=="31AF4D71B008"
ATTRS{serial}=="0000:00:1d.7"
# cat /dev/.udev/db/blo...@sd[bc]
N:sdb
S:disk/by-id/usb-SAMSUNG_HD642JJ_31AF4D71B008
S:disk/by-path/pci-0000:00:1d.7-usb-0:4:1.0-scsi-0:0:0:0
M:8:16
E:ID_VENDOR=SAMSUNG
E:ID_MODEL=HD642JJ
E:ID_REVISION=1112
E:ID_SERIAL=SAMSUNG_HD642JJ_31AF4D71B008
E:ID_TYPE=disk
E:ID_BUS=usb
E:ID_PATH=pci-0000:00:1d.7-usb-0:4:1.0-scsi-0:0:0:0
N:sdc
S:disk/by-id/usb-SAMSUNG_HD642JJ_31AF4D71B008
S:disk/by-path/pci-0000:00:1d.7-usb-0:1:1.0-scsi-0:0:0:0
M:8:32
E:ID_VENDOR=SAMSUNG
E:ID_MODEL=HD642JJ
E:ID_REVISION=1112
E:ID_SERIAL=SAMSUNG_HD642JJ_31AF4D71B008
E:ID_TYPE=disk
E:ID_BUS=usb
E:ID_PATH=pci-0000:00:1d.7-usb-0:1:1.0-scsi-0:0:0:0
I would like to use two rules to identify disks when user
attach one of them, but system doesn't sense which disk
has attached.
The disk-by-id symlinks has created correctly:
# ls -l /dev/disk/by-id/usb*
lrwxrwxrwx 1 root root 9 2010-03-12 21:40
/dev/disk/by-id/usb-SAMSUNG_HD642JJ_31AF4D71B000 -> ../../sdb
lrwxrwxrwx 1 root root 10 2010-03-12 21:40
/dev/disk/by-id/usb-SAMSUNG_HD642JJ_31AF4D71B000-part1 -> ../../sdb1
lrwxrwxrwx 1 root root 9 2010-03-12 21:46
/dev/disk/by-id/usb-SAMSUNG_HD642JJ_31AF4D71B008 -> ../../sdc
lrwxrwxrwx 1 root root 10 2010-03-12 21:46
/dev/disk/by-id/usb-SAMSUNG_HD642JJ_31AF4D71B008-part1 -> ../../sdc1
As you can see there are the correct serial numbers.
I am using Debian GNU/Linux 4.0, kernel 2.6.24-etchnhalf.1-686 and
libc6 2.3.6.ds1-13etch9+b1.
Thanks:
a.
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