Thanks Geoffrey & Lori. I've incorporated all those changes. ----- "Geoffrey Wehrman" <gwehrman@xxxxxxx> wrote: > On Fri, Jul 02, 2010 at 03:14:54AM -0400, Lachlan McIlroy wrote: > | Hi all, it's been a while since I posted here! > | > | Various updates to chapters 1,2,4 and 5 of the XFS User Guide. > | > | Fixed various spelling/grammar mistakes, updated outdated and/or > | incorrect facts, added some new slides for delayed allocation and > | direct i/o and fixed some XML formatting for command line examples. > > I asked our tech pubs editor for comments. Lori always has good > editing > advice. > > ----- Forwarded message from Lachlan McIlroy <lmcilroy@xxxxxxxxxx> > ----- > > + Extended attributes (ie Access Control Lists) > ^^ > such as > > > + Extent based allocation (incl. unwritten extents) > > ^^^^^ > including > > > <listitem><para>Filesystem blocks are comprised of one or more > device-level sectors.</para></listitem> > ^^^^^^^^^ > composed > > > + <listitem><para>Through direct IOs of specific alignment (ie stripe > boundaries)</para></listitem> > > ^^ > such as > > + <listitem><para>free block count is decremented</para></listitem> > > ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ > decrements free block count > > > + <listitem><para>Reduces fragmentation by combining writes and > allocating extents in large chunks</para></listitem> > ^^^^^^^^^^^^^^^^^^^^^ > Fragmentation is reduced > > > + <listitem><para>Files written randomly (ie memory mapped) can now > be allocated contiguously</para></listitem> > ^^ > such as those that are > > > + <listitem><para>Data does not pass through the file system > cache</para></listitem> > > ^^^^^^^^^^^ > filesystem > > > > + <listitem><para>Backup programs can work without polluting the page > cache</para></listitem> > ^^^ > that can > or > , so that they can > > ?? > > + <para>Direct I/O can align block allocations on strip unit/width > boundaries</para> > ^^^^^ > stripe > > ? > > > + <listitem><para>In memory XFS inode used only by the > filesystem</para></listitem> > ^^^^^^^^^ > In-memory > > > + <para>Log replay will apply filesystem and metadata changes during > mount that had been > > ^^^^^ > a mount > > > > + <para>mkfs.xfs supports a large number of options for configurating > many different XFS filesystems</para> > > ^^^^^^^^^^^^^ > configuring > > > + <listitem><para>Allocator will rotor data extents across > allocations groups to leave room for inodes</para></listitem> > ^^^^ > rotate ? > > > + <listitem><para>Only available on 64 bit > machines</para></listitem> > ^^^^^^ > 64bit > (to be consistent with other uses here) > > > + <para>If neither of these two options are specified, then > filesystem will behave as if > > ^^^^^^^^^^ > the filesystem > > > > -- > Geoffrey Wehrman > > _______________________________________________ > xfs mailing list > xfs@xxxxxxxxxxx > http://oss.sgi.com/mailman/listinfo/xfs _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs
