Re: Maximum blocksize for FFS?

2011-12-13 Thread Kostik Belousov
On Mon, Dec 12, 2011 at 06:50:33PM -0500, Dieter BSD wrote: > Many recent disks have a 4KiB sector size, so newfs's default > 2KiB frag size seems suboptimal for these drives. Newfs's man > page states: "The optimal block:fragment ratio is 8:1. Other > ratios are possible, but are not recommended,

Maximum blocksize for FFS?

2011-12-12 Thread Dieter BSD
Many recent disks have a 4KiB sector size, so newfs's default 2KiB frag size seems suboptimal for these drives. Newfs's man page states: "The optimal block:fragment ratio is 8:1. Other ratios are possible, but are not recommended, and may produce poor results."  (It is not clear to me what the 8:1