Re: performance problem with gstripe

Joel Jacobson wrote:
> here's what i did:

> ca-sbox-2# dd if=/dev/zero of=/dev/stripe/d0 bs=512k count=4096
> 4096+0 records in
> 4096+0 records out
> 2147483648 bytes transferred in 34.124683 secs (62930508 bytes/sec)

> ca-sbox-2# dd if=/dev/zero of=/mnt/bigfile bs=512k count=4096 &&
> /usr/bin/time sync
> 4096+0 records in
> 4096+0 records out
> 2147483648 bytes transferred in 11.081184 secs (193795502 bytes/sec)

Hmm ok, you might be hitting the MAXPHYS problem. Could you try and
create your gstripe array with a stripe size of 64 kB and 32 kB and test
on those ?