On 03/06/12 10:40 PM, James A. Peltier wrote:
> I've had to use inode64 on far smaller file systems (15TB) due to inode 
> counts (many files) and not file system size.


My understanding of it is, the inode number is its physical position on 
the disk.   if the first 1TB (2^31 * 512) of the disk has no free space 
to create an inode for a new directory, then that inode requires 64bits.

http://xfs.org/index.php/XFS_FAQ#Q:_What_is_the_inode64_mount_option_for.3F





-- 
john r pierce                            N 37, W 122
santa cruz ca                         mid-left coast

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