https://bugzilla.novell.com/show_bug.cgi?id=760213
https://bugzilla.novell.com/show_bug.cgi?id=760213#c8
--- Comment #8 from Thomas Fehr 2012-05-14 11:48:43 UTC ---
There is not always a mountpoint.
If you use encrypted physical volumes for LVM there are entries in
/etc/crypttab, but no corresponding entries in /etc/fstab.
And in this example, what to do with swap?
Here there are two encrypted swap partitions and /etc/crypttab is:
------------------------------------------------
cr_sda5 /dev/disk/by-id/ata-WDC_WD10EARS-00Y5B1_WD-WCAV5L733106-part5
/dev/urandom swap
cr_sdb1 /dev/disk/by-id/ata-WDC_WD10EARS-00MVWB0_WD-WMAZ20392365-part1
/dev/urandom swap
------------------------------------------------
so one would need to use cr_swap_1 and cr_swap_2 which also could cause
confusion if
e.g. cr_swap_1 gets removed later.
In addition I prefer the name having a relation to the underlying device, since
the existence
of the dm map imposes certain restrictions on the underlying device (e.g.
partitions cannot
be removed, LVs cannot be changed) therefore I prefer that the name of dm map
somehow
points to the device.
In the end it is just a identifier. Many naming schemes make sense and of
course it is
completely valid to use cr_home instead of cr_sd...
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