On Aug 24, 2006  11:58 +0800, pandy.song wrote:>     Can one mds contain two disks?
> 
> As discussed before one ost can only 
> contain one disk and one lov can contain
> more than one osts. Thus in a lov, files 
> can be striped over disks.
Both the OST and MDT filesystems can be stored on an arbitrary
number of disks through the use of LVM/DM/RAID.  The MDT
filesystem can be on only a single block device, and there can
currently only be a single MDT per filesystem.
Cheers, Andreas
--
Andreas Dilger
Principal Software Engineer
Cluster File Systems, Inc.