Re: Default mount options (that suck less).

[Eric Sandeen <sandeen@xxxxxxxxxxx>]

David Chinner wrote:
> On Mon, Oct 29, 2007 at 06:56:57PM +1100, Niv Sardi wrote:
>> Hello,
>>
>> XFS's default mount options are in most cases sub-optimal, we should try
> 
> Mkfs options ;)
> 
>> to have more sensible defaults, so far I'm following some quick dave-powered
>> recomendations:
>>
>> - version 2 logs
>> - attr2
>> - lazy superblock counters
>> - less allocation groups for single disk configs
>>
>> - imaxpct default can be reduced
>>
>> it is currently 25, what would be reasonable ?
> 
> Given that 25% on a 4GB filesystem will allow about 5million inodes,
> I think it's probably reasonable to bring it down to 5% by the time we
> pass 1TB and 1% by 50TB.....

But what does this affect?  It's a cap, but it doesn't affect allocation
policy or anything does it?  What's the downside to 25%?

-Eric