Mailinglist Archive: opensuse (1898 mails)

["Carlos E. R." <robin.listas@xxxxxxxxxxxxxx>]

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On 2010-07-31 11:58, auxsvr@xxxxxxxxx wrote:
> On Saturday 31 of July 2010 12:31:33 Andrew Rich wrote:

> > I looked in YAST / partioner and it is set to Mount by "Device ID"
> >
> > Device: /dev/sdb1
> > Device Path: pci-0000:00:04.1-usb-0:4:1.0-scsi-0:0:0:0-part1
> > Device ID 1: usb-WD_My_Passport_070A_575836314331304132333530-0:0-part1
> >
> > Device: /dev/sdc1
> > Device Path: pci-0000:00:06.1-usb-0:2:1.0-scsi-0:0:0:0-part1
> > Device ID 1: usb-WD_My_Passport_070A_575843304341394436353438-0:0-part1
> >
> > So I should be ok ?
>
> Device IDs are different from UUIDs; device IDs depend on the hard disk 
> serial 
> number, while a UUID is stored in the filesystem. In your case, fstab is 
> using 
> device IDs, which remain constant across reboots, reconnections etc. So you 
> should be ok.

Don't forget labels. You can name each partition with a label, and use it. 
Easier to guess than that
rigmarole of letters and numbers :-)

fstab:

LABEL=a_storage    /data/storage_a   xfs     defaults,nofail    1 3


Another method is by "path". Ie, there are four methods:

cer@Elessar:~> l /dev/disk/by-
by-id/    by-label/ by-path/  by-uuid/

- -- 
Cheers / Saludos,

                Carlos E. R.
                (from 11.2 x86_64 "Emerald" GM (Elessar))
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