Re: Million files or so on RAID 5 Partition

[Matteo Centonza <matteo@xxxxxx>]

Hi Simon,

> > Just to be curious (as always ....): Do you use the old 'md' driver for this
> > or LVM ? Should I stay away from one of these (despite the issues with
> > internal log on RAID5) ?
> 
> IIRC you can not use LVM to create RAID5 devices, just RAID0,1. Anyway
> it seems to be not so sure that we always have a working LVM for every
> kernel (Isn't it broken at this time for 2.5?). MD should be more safe
> here.

Not that sure AFAICT. The same problem happened for RAID 5
recently (in 2.5). BTW LVM has been fixed and it's working fine.

In my case, i have LVM stacked on RAID5 with internal log. Is it possible 
that this configuration doesn't suffer the performance penalty?

Just curious.

Ciao,

-m