On 7/6/03 3:31 am, "Christopher Egner" <[EMAIL PROTECTED]> wrote: > On Sat, 2003-06-07 at 06:55, Joe Stroller wrote: >>... >> hdparm says: >> >> omf root # hdparm -Tt /dev/hda >> >> /dev/hda: >> Timing buffer-cache reads: 128 MB in 6.86 seconds = 18.66 MB/sec >> Timing buffered disk reads: 64 MB in 6.36 seconds = 10.07 MB/sec >> Hmm.. [dodgy] results: probably not enough free memory for a proper test. >> omf root # /etc/init.d/hdparm start >> * Starting hdparm... >> * Running hdparm on disc0... [ ok ] >> omf root # hdparm -Tt /dev/hda >> >> /dev/hda: >> Timing buffer-cache reads: 128 MB in 6.64 seconds = 19.28 MB/sec >> Timing buffered disk reads: 64 MB in 6.36 seconds = 10.06 MB/sec >> Hmm.. [dodgy] results: probably not enough free memory for a proper test. >> omf root # >> >> Could this be the cause of my poor performance..? Certainly, activities >> involving many disc accesses seem to be particularly slow. At the end of an >> emerge sync, I'm sure the "updating portage cache" part is much faster on my >> other machine. > > Mine responds with: > > #hdparm -Tt /dev/hda > > /dev/hda: > Timing buffer-cache reads: 128 MB in 0.78 seconds =164.10 MB/sec > Timing buffered disk reads: 64 MB in 3.33 seconds = 19.22 MB/sec > # hdparm -Tt /dev/hdb > > /dev/hdb: > Timing buffer-cache reads: 128 MB in 0.32 seconds =400.00 MB/sec > Timing buffered disk reads: 64 MB in 1.42 seconds = 45.07 MB/sec > > > However, I doubt this is so much the cause as it is another symptom try > flipping your DMA flag on the drive.
Thanks! How do I do that, please..? I thought that was what /etc/init.d/hdparm was for..? Stroller. -- [EMAIL PROTECTED] mailing list
