Robert wrote: > Peter Farrow wrote: > >> Dear All, >> >> I tried a USB2 Maxtor One touch II external hard disk on a couple of >> my Centos 4.2 boxes and found it initiallised the SCSI subsystem ok >> and added device "sda". But the performance is miserable, yet the >> same hardware running XP the performance is satisfactory. >> >> HDPARM gives results varying from 120k/sec to , at its peak 4.75M/s on >> a USB 2 machine, still very poor by any stretch. >> >> On a twin CPU USB 1 machine it give a steady 1M/sec, which is >> consistently slow, which is better than erratically slow ( :-) ) >> >> Still dog slow, wondered if anyone has seen this, and wondered if the >> firewire interface would be better? (I need to get a cable to try this). > > > I back up weekly to a Maxtor OneTouch (original) USB2-connected hard > drive. This happens while I sleep but it looks like last Wednesday > morning, it took 36 minutes to to copy 19GB. > > [root@mavis ~]# du -hs /media/OTOT/2005-11-30 > 19G /media/OTOT/2005-11-30 > [root@mavis ~]# > > [rj@mavis ~]$ cat backup_progress_2005-11-30 > Wed Nov 30 02:02:07 CST 2005 Removing /media/OTOT/2005-11-09 > Backup to /media/OTOT/2005-11-30 Started at Wed Nov 30 02:06:13 CST 2005 > Wed Nov 30 02:06:14 CST 2005 Completed: /bin > Wed Nov 30 02:06:15 CST 2005 Completed: /boot > <snip> > Wed Nov 30 02:42:14 CST 2005 Completed: /var > Filesystem 1K-blocks Used Available Use% Mounted on > /dev/sdb2 152206916 132579164 11896072 92% /media/OTOT > /dev/sdb2 successfully unmounted from /media/OTOT > All Finished at Wed Nov 30 02:42:14 CST 2005 > > Looks like that averages out to about 8.8MB/sec > I'm running an Athlon 2600+, 2GHz, 512MB on an ASUS A7N8X. > I hope this helps. No, not at all. What's the setup? How is the USB configured? How's the drive configured, formatted ext3, vfat... -- Thanks http://www.911networks.com When the network has to work Cisco/Microsoft