David, This is very probably because both of your drives are on the same IDE channel. Try having one on hda and one on hdc.
Regards, Alec On Sat, May 22, 2004 at 09:13:53AM +1000, David Kempe wrote: > Hey anyone have a simple explanation for this phenomenom? > I have 2 * 120Gb SATA drives on an Intel ICH5 controller. > My hdparm scores for both drives are : > > scythe:~# hdparm -t /dev/hdc > > /dev/hdc: > Timing buffered disk reads: 168 MB in 3.02 seconds = 55.55 MB/sec > > scythe:~# hdparm -t /dev/hdd > > /dev/hda: > Timing buffered disk reads: 168 MB in 3.00 seconds = 55.93 MB/sec > > I have made two RAID1 mirrors across the drives and the resync is going > considerably slower than that. I realise that the hdparm tests read, but > why so slow on the resync? > > like so: > 5.5% (3269632/58593408) finish=451.5min speed=2041K/sec > > or tell me its not slow for resyncing raid :) > > dave > -- > SLUG - Sydney Linux User's Group Mailing List - http://slug.org.au/ > Subscription info and FAQs: http://slug.org.au/faq/mailinglists.html > -- Evolution: Taking care of those too stupid to take care of themselves. -- SLUG - Sydney Linux User's Group Mailing List - http://slug.org.au/ Subscription info and FAQs: http://slug.org.au/faq/mailinglists.html
