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Re: using non-default blocks per group



On Fri, 19 Oct 2001, Stephen C. Tweedie wrote:

> Hi,
>
> On Fri, Oct 19, 2001 at 12:52:19PM -0700, Jeffrey W. Baker wrote:
> > I've been playing with the -g switch to mke2fs, which controls the blocks
> > per group.  This switch isn't documented.  I've been using it to balance
> > metadata traffic on RAID 0.
> >
> > This seems to work fine in ext2.  Will I have any problems with ext3 where
> > the blocks per group is not a power of 2?
>
> No, although one important piece of metadata --- the journal --- will
> not get balanced in respect of the -g setting in ext3's case.

And this is because the journal's metadata is in one place, right?  It's
as though you repeatedly touch one file?

I actually don't have much of a problem with that b/c I can't think of any
way around it.

-jwb





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