On Mon, 2009-02-16 at 07:13 +0000, Vijay Gill wrote: > 2009/2/16 Patrick O'Callaghan <pocallaghan@xxxxxxxxx>: > > On Sun, 2009-02-15 at 23:45 +0000, Vijay Gill wrote: > >> > That could be because you're using XFS. > >> > > >> > poc > > [...] > >> Thanks but how does that statement explain the behaviour I am seeing? > > > > I'm reaching here, but since XFS uses allocation strategies different > > from the more familiar ext3 system, I wondered if 'du' could in some > > circumstances report larger numbers than "normal". > > > > Apologies if I'm raving. > > > > poc > > > > -- > > fedora-list mailing list > > fedora-list@xxxxxxxxxx > > To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list > > Guidelines: http://fedoraproject.org/wiki/Communicate/MailingListGuidelines > > > > You are spot on Pat. XFS allws you to pre-allocate contiguous area of > disk for a file when it is opened for writing data. This is determined > by allocsize parameter during mount and is used foe reducing > fragmentation(fragmentation in Linux? yes siree, it does happen in > Linux too). > > In my case I have provided 1M which is far much less than 512M which > XFS is pre-allocating. This is what caught my eye. It's nice to have one's intuition confirmed once in a while :-) poc -- fedora-list mailing list fedora-list@xxxxxxxxxx To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list Guidelines: http://fedoraproject.org/wiki/Communicate/MailingListGuidelines
