Mount

Mach.
Hab ich schon.
Machs rückgängig!
Geht nicht, ist nichts gemacht.
Mach.
Hab ich schon.

root@nas:~# mount -a
mount: /dev/md127 is already mounted or /data busy
root@nas:~# umount /data
umount: /data: not mounted
root@nas:~# mount /data
mount: /dev/md127 is already mounted or /data busy

Wird ja nichts damit zu tun haben?

[   44.106137] sd 2:0:0:0: [sdc] Media Changed
[   44.110342] sd 2:0:0:0: [sdc]  Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[   44.117621] sd 2:0:0:0: [sdc]  Sense Key : Unit Attention [current]
[   44.124023] Info fld=0x0
[   44.126570] sd 2:0:0:0: [sdc]  Add. Sense: Not ready to ready change, medium may have changed
[   44.135167] sd 2:0:0:0: [sdc] CDB: Read(10): 28 00 00 30 00 20 00 00 08 00
[   44.142197] end_request: I/O error, dev sdc, sector 3145760
[   44.147806] Buffer I/O error on device sdc1, logical block 393216
[   44.551986] EXT2-fs (sdc1): warning: mounting unchecked fs, running e2fsck is recommended