Option to use /dev values instead of UUID values

Tom H tomh0665 at gmail.com
Thu Mar 25 20:10:00 UTC 2010


>> > ? ? ? ?$ sudo blkid
>> > ? ? ? ?[sudo] password for lou:
>> > ? ? ? ?/dev/sda2: UUID="4E0C083C0C082197" LABEL="W2K" TYPE="ntfs"
>> > ? ? ? ?/dev/sda3: UUID="B2DCD2EADCD2A83D" LABEL="XP-Root" TYPE="ntfs"
>> > ? ? ? ?/dev/sda5: UUID="3bdf3983-9d86-4adb-85df-257942a33e5b" TYPE="swap"
>> > ? ? ? ?/dev/sda7: UUID="19299e03-366c-4c76-b8fc-f650bd77f790" SEC_TYPE="ext2" TYPE="ext3"
>> > ? ? ? ?/dev/sda8: UUID="d1e3679d-1a16-4154-95ad-e04edcedb271" TYPE="ext3"
>> > ? ? ? ?/dev/sda9: UUID="300425e2-2fce-4421-a7a9-a956118b2c18" TYPE="ext2"
>> > ? ? ? ?/dev/sda10: UUID="354d6e92-99f3-427f-867e-f02183bf0454" TYPE="ext3" SEC_TYPE="ext2"
>> > ? ? ? ?/dev/sda11: UUID="48a4bc15-b0f9-4a46-a563-114a45477534" TYPE="ext3" SEC_TYPE="ext2"
>> > ? ? ? ?/dev/sdb1: LABEL="WORK" UUID="631F-D2FD" TYPE="vfat"
>> > ? ? ? ?/dev/sdb2: UUID="e704b2dd-3253-4c00-8025-b11eaa25ae33" TYPE="ext3"
>> > ? ? ? ?/dev/sdb3: UUID="9b27509d-5528-4df6-a7b9-b7748cc19c17" TYPE="ext3"
>> > ? ? ? ?/dev/sdb4: UUID="cebf1c58-8ccb-43f6-a6b4-f23e15a39211" TYPE="ext3"
>> > ? ? ? ?/dev/sdg1: UUID="893dc90f-e09d-4aae-857f-28102c692518" TYPE="ext3" SEC_TYPE="ext2"
>> > ? ? ? ?/dev/sdg2: UUID="46c6e755-f867-4653-a9a4-066c9869e5f0" TYPE="swap"

>> > I've tried
>> > ? ? ? ?tune2fs -U time /dev/sda1
>> > ? ? ? ?and
>> > ? ? ? ?tune2fs -L boot /dev/sda1

>> How about
>> tune2fs -U clear /dev/sda1
>> tune2fs -U random /dev/sda1

> No joy.

Since blkid does not return the uuid of sda1, the following will most
probably not either, but you never know...

$ sudo -i
# file -s /dev/sda1
# tune2fs -l /dev/sda1 | grep -i uuid
# ls -l /dev/disk/by-uuid/ | grep -i sda1
# grep -i uuid /dev/.udev/db/block\:sda1
# udevadm info -q all -n /dev/sda1 | grep -i uuid

And what does
grep -i boot /etc/fstab
return?




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