Hi Kirk McKusick! On Thu, 26 May 2011 18:22:49 +0000 (UTC); Kirk McKusick <mckus...@freebsd.org> wrote:
> Author: mckusick > Date: Thu May 26 18:22:49 2011 > New Revision: 222319 > URL: http://svn.freebsd.org/changeset/base/222319 > Log: > Raise the default blocksize for UFS/FFS filesystems from > 16K to 32K and the default fragment size from 2K to 4K. > > The rational is that most disks are now running with 4K > sectors. While they can (slowly) simulate 512-byte sectors > by doing a read-modify-write, it is desirable to avoid this > functionality. By raising the minimum filesystem allocation > to 4K, the filesystem will never trigger the small sector > emulation. > > Also, the growth of disk sizes has lead us to double the > default block size about every ten years. The rise from 8K > to 16K blocks was done in 2001. So, by the 10-year metric, > the time has come for 32K blocks. May be it's also the time to grow directory block size allocation? It is 512 bytes still. -- WBR, Vadim Goncharov. ICQ#166852181 mailto:vadim_nucli...@mail.ru [Moderator of RU.ANTI-ECOLOGY][FreeBSD][http://antigreen.org][LJ:/nuclight] _______________________________________________ svn-src-all@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
