On Wed, 30 Jun 2004, David J N Begley wrote: > Here's where my mind really gets screwed-up - if I throw data at the LVs, the > read/write pattern tends to indicate that the striping _is_ working, which > then contradicts the mapping that 'lvdisplay -v' shows! > > What's happening? Are LEs always mapped to PEs in a linear fashion whilst > striping occurs at some lower (per-chunk-of-an-LE) layer? My understanding that this behaviour you are seeing is coming from the *filesystem* (ext3, or whatever you are using). I bet if you used dd, such as: dd if=/dev/zero of=/dev/VG0/LV0 And watch the write pattern it would be linear. Dax Kelson Guru Labs _______________________________________________ linux-lvm mailing list linux-lvm@redhat.com https://www.redhat.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
