Mikkel L. Ellertson wrote: > Srikanth Konjarla wrote: >> All, >> >> I am running FC6 (with latest update, 64-bit) on AMD Dual Core with 1GB >> RAM. It contains a SATA hard disk. I am experience sluggishness when >> files are opened or closed (saved). I suspect that i have slow SATA >> performance even though i am not sure. I have following stats. >> >> # hdparm -Tt /dev/sda >> >> /dev/sda: >> Timing cached reads: 2452 MB in 2.00 seconds = 1226.48 MB/sec >> Timing buffered disk reads: 86 MB in 3.03 seconds = 28.35 MB/sec >> >> I am concerned about 28.35 MB/Sec speed here. >> >> # hdparm -i /dev/sda >> >> /dev/sda: >> HDIO_GET_IDENTITY failed: Inappropriate ioctl for device >> >> # dmesg | grep -i sata >> sata_nv 0000:00:0e.0: version 3.2 >> ata1: SATA max UDMA/133 cmd 0xE800 ctl 0xE482 bmdma 0xE000 irq 21 >> ata2: SATA max UDMA/133 cmd 0xE400 ctl 0xE082 bmdma 0xE008 irq 21 >> scsi0 : sata_nv >> ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) >> scsi1 : sata_nv >> ata2: SATA link down (SStatus 0 SControl 300) >> >> # lsmod | grep -i sata >> sata_nv 29509 4 >> libata 120553 1 sata_nv >> >> Kernel Boot Parameter >> kernel /vmlinuz-2.6.20-1.2933.fc6 ro root=LABEL=/1 noquiet >> combined_mode=libata >> >> Any suggestions/recommendations/comments are welcome. >> >> Thanks >> >> Srikanth >> > You may want to check for other activity on the system. I normally > try to do a couple of tests at different times to see if they are > the same. Just after a system is booted is probably the worst time > to check. > >>From the hdparm man page: > For meaningful results, this operation should be repeated 2-3 times > on an otherwise inactive system (no other active processes) with at > least a couple of megabytes of free memory. Thanks for the response. My tests qualify to those conditions. Srikanth > > Mikkel
