[linux-lvm] LVM onFly features

Marc-Jano Knopp pub_ml_lvm at marc-jano.de
Sat Dec 10 23:03:41 UTC 2005


On Sat, 10 Dec 2005 at 15:51 (-0700), Michael Loftis wrote:
> --On December 10, 2005 3:44:00 PM -0700 Michael Loftis <mloftis at wgops.com> 
> wrote:
> >--On December 10, 2005 11:31:40 PM +0100 Marc-Jano Knopp <pub_ml_lvm at marc-jano.de> wrote:
[...]
> >Any tail can be packed if it doesn't match the block size.  In our case
> >the corruption evidenced itself as files with the first part being ok,
> >and the last part being all NULLs (0x0) up to the 'normal' file size.
> 
> I really should say *mostly* because yes, files that were entirely shorter 
> than the blocksize were essentially gone (full of NULLs).

I knew it. :-)


> Our mail server makes the best use of reiserfs because of the huge number 
> of files and the amount of files that end up packed.

Same effect with news spool here (until ReiserFS lost files and I
returned remorsefully to ext3 :-).


Best regards

  Marc-Jano




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