James Vahn <[EMAIL PROTECTED]> writes:
> >> Try turning the write-cache off: hdparm -W0 /dev/hda
> >
> > Tried that and didn't see any difference... It's really annoying...
>
> It was a stab in the dark. "hdparm /dev/hda", "hdparm -I /dev/hda".
# hdparm -I /dev/hda
/dev/hda:
ATA device, with non-removable media
Model Number: TOSHIBA MK8025GAS
Serial Number: 24580773A
Firmware Revision: KA023A
Standards:
Supported: 6 5 4 3
Likely used: 6
Configuration:
Logical max current
cylinders 16383 16383
heads 16 16
sectors/track 63 63
--
CHS current addressable sectors: 16514064
LBA user addressable sectors: 156301488
device size with M = 1024*1024: 76319 MBytes
device size with M = 1000*1000: 80026 MBytes (80 GB)
Capabilities:
LBA, IORDY(can be disabled)
bytes avail on r/w long: 48 Queue depth: 1
Standby timer values: spec'd by Standard, no device specific minimum
R/W multiple sector transfer: Max = 16 Current = ?
Advanced power management level: unknown setting (0x0080)
DMA: sdma0 sdma1 sdma2 mdma0 mdma1 mdma2 udma0 udma1 udma2 udma3 udma4
*udma5
Cycle time: min=120ns recommended=120ns
PIO: pio0 pio1 pio2 pio3 pio4
Cycle time: no flow control=120ns IORDY flow control=120ns
Commands/features:
Enabled Supported:
* NOP cmd
* READ BUFFER cmd
* WRITE BUFFER cmd
* Host Protected Area feature set
* Look-ahead
Write cache
* Power Management feature set
Security Mode feature set
SMART feature set
* Mandatory FLUSH CACHE command
* Device Configuration Overlay feature set
* SET MAX security extension
* Advanced Power Management feature set
* SMART self-test
* SMART error logging
Security:
Master password revision code = 65534
supported
not enabled
not locked
frozen
not expired: security count
not supported: enhanced erase
72min for SECURITY ERASE UNIT.
HW reset results:
CBLID- above Vih
Device num = 0 determined by CSEL
Checksum: correct
> You can test performance of any changes you make with "hdparm -tT
> /dev/hda".
# hdparm -tT /dev/hda
/dev/hda:
Timing cached reads: 2008 MB in 2.00 seconds = 1003.15 MB/sec
Timing buffered disk reads: 14 MB in 3.00 seconds = 4.66 MB/sec
--
"Progress might be a circle, rather than a straight line."
- Eberhard Zeidler
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