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comment Are disk partition labels or UUIDS stored in the partition area itself or in some other area of the hard disk?
Good answers reference the user needs, if they can be discerned even if they are not well articulated. The author of the Ubuntu question comments I'm not interested in the UUID, but how those UUID to device mappings are built, <snip> and expect it to boot. 372720 refers to something similar. I am also concerned with getting a system to boot on another disk. So either dd or clone the partition or tar.gz and amend the grub.cfg and /etc/fstab on the target computer etc. Questions answered with more appreciation of the context is what makes stack exchanges useful not plain and flippant yes/nos
May
7
comment Are disk partition labels or UUIDS stored in the partition area itself or in some other area of the hard disk?
@SwV All I want is a good direct helpful answer so I can mark it correct and move on. I don't want any person seeking an answer to walk into a debate. I believe the mods can clean this up after.
May
7
comment Are disk partition labels or UUIDS stored in the partition area itself or in some other area of the hard disk?
@SwV The reason I requested for the answer to be edited is so that any person who needs an answer to the question gets a plain answer directed at his needs rather than come across a debate beginning to turn sour. Having to Google to get further clarification only means the answer isn't good enough. Furthermore professionals tend to focus narrowly in one area, at the expense of others. Would the superblock mean much to a Windows professional? People also visit forums because they are pressed for time. Isn't having to Google another detour from their original quest?
May
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comment Are disk partition labels or UUIDS stored in the partition area itself or in some other area of the hard disk?
@SwV Your answer is correct, but please edit it and make the answer as direct as possible in the best explanatory manner and more info about what superblocks are if it is important in understanding the answer
May
7
comment Are disk partition labels or UUIDS stored in the partition area itself or in some other area of the hard disk?
The linked question doesn't say what a superblock is nor where it is located. The reason I ask is UUIDs are supposed to be unique everywhere, but partitions get duplicated, hence the question is to verify if blkids belong to the hard disk itself. If a partition is replicated on another disk or a new partition on the same hard disk will the blkid generated by the partitioning process be retained after the data is copied over? Another way of putting the question is whether blkids are always unique to the hardware like network MAC addresses, or even virtual hardware as may be the case.
May
7
revised Are disk partition labels or UUIDS stored in the partition area itself or in some other area of the hard disk?
explained intent of question better
May
7
comment Are disk partition labels or UUIDS stored in the partition area itself or in some other area of the hard disk?
@SvW The answer to the linked Ubuntu question does not answer my question.
May
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comment Are disk partition labels or UUIDS stored in the partition area itself or in some other area of the hard disk?
@SvW Why to you link the question back to itself.
May
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comment Are disk partition labels or UUIDS stored in the partition area itself or in some other area of the hard disk?
@TomTom The question is whether the UUID is stored in the partition area itself or stored in the partition table on the hard disk - hence the example asking if by using dd to copy the partition image to another partition on the same hard disk or even a different hard disk altogether.