Mailinglist Archive: opensuse-factory (824 mails)

[Wolfgang Woehl <tito@xxxxxxxxxx>]

Hi,

On a 10.3beta2 couple days ago my /dev/sdb1 was perfectly mountable. It was 
not in in fstab on purpose, mind you. Then something got updated by opensuse 
updater and sdb1 was not mountable anymore.

mount /dev/sdb1 /mnt
said "already mounted or /mnt busy" which was so not true. Errk.

Googling I found people almost back in the last century debating this. The 
good advice pointed towards device-mapper.

Turned out that device-mapper had grabbed sdb. So can _I_ do something with it 
too? Like use my hard disk? Not that I ever configured, invoked, worshipped 
device-mapper at all.

dmsetup ls
gave me 2 strings garbled together from device-mapper lingo and the name and 
serial number of my disk. Like
linear-scsi-SATA_ST3500630A_serial_number       (253, 0) and
linear-scsi-SATA_ST3500630A_serial_number_part1 (253, 1)

dmsetup remove linear-scsi-SATA_ST3500630A_serial_number_part1 and
dmsetup remove linear-scsi-SATA_ST3500630A_serial_number
and
mount /dev/sdb1 /mnt
and things are back the way they were.

Am I missing something deep? Plus: Apart from police people who in this whole 
wide world thinks having serial numbers of your disks all over the system was 
cool? Could that be, like, an _option_ please? My face turns all yellow when 
I look at /etc/fstab these days. Can someone tell me the advantages of this?

Thanks, and thank you for a pretty amazing beta2.
Wolfgang
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