Mounting swap without device name
Polytropon
freebsd at edvax.de
Sat Dec 6 00:02:44 UTC 2014
On Sat, 06 Dec 2014 00:50:50 +0100, Christian Baer wrote:
> Changing device IDs can be a pain. Adding a hard drive to my system results
> in the system not booting anymore because the device name for / changes
> after the second drive is detected. I have overcome this by having an fstab
> like this:
>
> # Device Mountpoint FStype Options Dump Pass#
> /dev/ufs/root / ufs rw 1 1
> /dev/ada0s3b none swap sw 0 0
> /dev/ufs/var /var ufs rw 2 2
> /dev/ufs/usr /usr ufs rw 2 2
> proc /proc procfs rw 0 0
>
> As is plain to see, my machine boots from an MBR drive (in this case an
> SSD). Note the swap drive however. I have not found a way so far to label
> the swap partition in a way that I can make the system find it at boot time.
>
> Is there a way to do this and if so, then how?
With "glabel label" - you cannot use a UFS label (like for
the partitions shown in your /etc/fstab) because swap does
not have a file system, but you can use gpart to attach a
label to the partition itself. It could be "/dev/label/swap"
(note: not "/dev/ufs/swap" for mentioned reasons).
More information here:
http://www.wonkity.com/~wblock/docs/html/disksetup.html#_the_old_standard_mbr
--
Polytropon
Magdeburg, Germany
Happy FreeBSD user since 4.0
Andra moi ennepe, Mousa, ...
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