Hello
Je ne sais pas pourquoi et peut être est ce voulu que sa soie en 16 et pas en 32 
# hdparm -c /dev/sda
/dev/sda:
IO_support = 0 (default 16-bit)
Tantative de correction avec :
hdparm -c 1 /dev/sda
/dev/sda:
setting 32-bit IO_support flag to 1
HDIO_SET_32BIT failed: Invalid argument
IO_support = 0 (default 16-bit)
bon le débit semble correct bien que sa me paraisse un peux bizzard.
Mai le cache est de 16MB donc sa ne correspond pas aparament !
hdparm -Tt /dev/sda
/dev/sda:
Timing cached reads: 1162 MB in 2.00 seconds = 580.31 MB/sec
Timing buffered disk reads: 204 MB in 3.02 seconds = 67.56 MB/secinformation supplémentaires:
hdparm -I /dev/sda
/dev/sda:
ATA device, with non-removable media
Model Number: Hitachi HDT725032VLA360
Serial Number: VFH200R2DUTRUT
Firmware Revision: V54OA7EA
Standards:
Used: ATA/ATAPI-7 T13 1532D revision 1
Supported: 7 6 5 4
Configuration:
Logical max current
cylinders 16383 16383
heads 16 16
sectors/track 63 63
--
CHS current addressable sectors: 16514064
LBA user addressable sectors: 268435455
LBA48 user addressable sectors: 625142448
device size with M = 1024*1024: 305245 MBytes
device size with M = 1000*1000: 320072 MBytes (320 GB)
Capabilities:
LBA, IORDY(can be disabled)
Queue depth: 32
Standby timer values: spec'd by Standard, no device specific minimum
R/W multiple sector transfer: Max = 16 Current = 1
Advanced power management level: unknown setting (0x0000)
Recommended acoustic management value: 128, current value: 254
DMA: mdma0 mdma1 mdma2 udma0 udma1 udma2 udma3 udma4 udma5 *udma6
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:
* SMART feature set
Security Mode feature set
* Power Management feature set
* Write cache
* Look-ahead
* Host Protected Area feature set
* WRITE_BUFFER command
* READ_BUFFER command
* DOWNLOAD_MICROCODE
Advanced Power Management feature set
Power-Up In Standby feature set
SET_FEATURES required to spinup after power up
Address Offset Reserved Area Boot
SET_MAX security extension
Automatic Acoustic Management feature set
* 48-bit Address feature set
* Device Configuration Overlay feature set
* Mandatory FLUSH_CACHE
* FLUSH_CACHE_EXT
* SMART error logging
* SMART self-test
Media Card Pass-Through
* General Purpose Logging feature set
* WRITE_{DMA|MULTIPLE}_FUA_EXT
* 64-bit World wide name
* URG for READ_STREAM[_DMA]_EXT
* URG for WRITE_STREAM[_DMA]_EXT
* Segmented DOWNLOAD_MICROCODE
* SATA-I signaling speed (1.5Gb/s)
* SATA-II signaling speed (3.0Gb/s)
* Native Command Queueing (NCQ)
* Host-initiated interface power management
* Phy event counters
Non-Zero buffer offsets in DMA Setup FIS
DMA Setup Auto-Activate optimization
Device-initiated interface power management
In-order data delivery
* Software settings preservation
* SMART Command Transport (SCT) feature set
* SCT Long Sector Access (AC1)
* SCT LBA Segment Access (AC2)
* SCT Error Recovery Control (AC3)
* SCT Features Control (AC4)
* SCT Data Tables (AC5)
Security:
Master password revision code = 65534
supported
not enabled
not locked
not frozen
not expired: security count
not supported: enhanced erase
128min for SECURITY ERASE UNIT.
Checksum: correct
c’est possible ou pas le 32 bits ou pas ? car la c’est détecter en scsi a la place du sata , en supposant que cela soie normal.
Je ne pense pas que cela justifie les16 ?
Une idée
