terabyte limit

[Hendrik Hasenbein]

Shawn Ostapuk wrote:
> I have around 10 IDE drives which add up to over a terabyte. My goal
> is to use them all as one big drive using any means necessary (I have a
> backup so redundency is not needed, only space in this situation)
> 
> I used to use vinum (and still would like to), i hit the terabyte limit
> with UFS and was told i would have to upgrade to 5.1 in order to take
> advantage of UFS2 and > 1TB filesystem -- so thats what i've done.
> However I still seem to have the exactly same problems. I'm now trying
> it on a whole new box and set of drives with the same set of problems.
> 
> It doesn't matter if i use vinum or ccdconfig -- they all work fine and
> predictably, until I make it larger than a terabyte then i get the 
> following on freebsd 5.1 RELEASE:
> 
> with ccdconfig
> 
> # ccdconfig -cv ccd0 16 none /dev/ad1s1e .. /dev/ad10s1e
> ccd0: 10 componets (ad1s1e, .., ad10s1e), 2223956864 blocks interleaved
> at 16 blocks
> # newfs /dev/ccd0
> newfs: wtfs: 512 bytes at sector 2223956863: Invalid argument
> 
> with vinum
> 
> # newfs /dev/vinum/vinum0
> /dev/vinum/vinum0: 1085915.5MB (2223954992 sectors) block size 16384,
> fragment size 2048
>           using 5910 cylinder groups of 183.77MB, 11761 blks, 23552 inodes.
> newfs: can't read old UFS1 superblock: read error from block device:
> Invalid arguement

Try newfs -O 2 /dev/vinum/vinum0 to force ufs2. Hope that works.

Hendrik