filesystem size does not equal free space
Warren Block
wblock at wonkity.com
Wed Nov 21 15:14:02 UTC 2012
On Wed, 21 Nov 2012, Rick Miller wrote:
> I install FreeBSD 8.3-R on a DL360 G8 with two disk volumes, the 2nd
> of which is 3TB. The fdisk partition editor shows the disk geometry
> as 812160 cyl/255 heads/32 sectors = 6627225600 sectors (3235950MB).
> sysinstall creates a slice on the 3TB volume that uses the entire
> disk. However, when the filesystem is labelled and mounted, it is
> slightly over 1TB in size. Am I correct in assuming that it's only
> 1TB because the disk geometry is greater than what is supported by
> sysinstall and/or bsdlabel?
It's an MBR limitation, I think. Use GPT, which will also make
alignment to 4K blocks easier.
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