Strange disk problems make the system lock up

[Charles Erik McDonald]

>>bastion(root):/usr/src#disklabel /dev/ad2
>>disklabel: /dev/ad2: no valid label found
>>bastion(root):/usr/src#disklabel /dev/ad2s1
>># /dev/ad2s1:
>>8 partitions:
>>#        size   offset    fstype   [fsize bsize bps/cpg]
>> c: 312576642        0    unused        0     0         # "raw" part,
>>don't edit
>>bastion(root):/usr/src#disklabel /dev/ad3
>>disklabel: /dev/ad3: no valid label found
>>bastion(root):/usr/src#disklabel /dev/ad3s1
>># /dev/ad3s1:
>>8 partitions:
>>#        size   offset    fstype   [fsize bsize bps/cpg]
>> c: 488392002        0    unused        0     0         # "raw" part,
>>don't edit
>>bastion(root):/usr/src#
>>
>>    
>>
>you don't have any partitions on those disks.
>
>You need to use disklabel to create an "a" partition.
>
>
>a: 488392002        0    BSD        0     0         #
>c: 488392002        0    unused        0     0         # "raw" part
>
>  
>

Ok, one question. Is it possible to mount, fsck (ok) and use these disk 
without a partition?

Because I have been using these disks for some time now and this 
behaviour is seen only once in a while.
Where does the filesystem exist then, if not within a partition?! 
Directly on the disk slice?


Truly confused,
Erik









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