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. Mikkel -- Do not meddle in the affairs of dragons, for thou art crunchy and taste good with Ketchup!
