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不知道大家遇到这样的问题没?
我弄了个高仿的光驱位的硬盘托,里面带PATA转SATA接口,支持SATA,所以弄了个250G的SATA的硬盘
在WindowsXP下2块硬盘运行模式都是UDMA-5,完全没问题
但是在RHEL5.3下硬盘托里的那个硬盘被识别为hdc,而另外一个被正常的识别为sda
hdparm -i /dev/hdc
/dev/hdc:
Model=Hitachi HTS723225L9A360, FwRev=FCDOC30F, SerialNo=090321FC2D30NJG616AE
Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs }
RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=4
BuffType=DualPortCache, BuffSize=15058kB, MaxMultSect=16, MultSect=16
CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=268435455
IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120}
PIO modes: pio0 pio1 pio2 pio3 pio4
DMA modes: mdma0 mdma1 mdma2
UDMA modes: udma0 udma1 udma2
AdvancedPM=yes: mode=0x80 (12 WriteCache=enabled
Drive conforms to: unknown: ATA/ATAPI-2 ATA/ATAPI-3 ATA/ATAPI-4 ATA/ATAPI-5 ATA/ATAPI-6 ATA/ATAPI-7
* signifies the current active mode
可以看出模式没有被识别出来
hdparm -tT /dev/hdc
/dev/hdc:
Timing cached reads: 3256 MB in 2.00 seconds = 1628.75 MB/sec
Timing buffered disk reads: 6 MB in 3.96 seconds = 1.52 MB/sec
速度也太低了吧
hdparm -i /dev/sda
/dev/sda:
Model=HTS721010G9AT00 , FwRev=MCZIA5DA, SerialNo= MPC0B2Y0GKUT9E
Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs }
RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=4
BuffType=DualPortCache, BuffSize=7539kB, MaxMultSect=16, MultSect=?16?
CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=195371568
IORDY=on/off, tPIO={min:240,w/IORDY:120}, tDMA={min:120,rec:120}
PIO modes: pio0 pio1 pio2 pio3 pio4
DMA modes: mdma0 mdma1 mdma2
UDMA modes: udma0 udma1 udma2 udma3 udma4 *udma5
AdvancedPM=yes: mode=0x80 (12 WriteCache=enabled
Drive conforms to: ATA/ATAPI-6 T13 1410D revision 3a: ATA/ATAPI-2 ATA/ATAPI-3 ATA/ATAPI-4 ATA/ATAPI-5 ATA/ATAPI-6
* signifies the current active mode
hdparm -tT /dev/sda
/dev/sda:
Timing cached reads: 3148 MB in 2.00 seconds = 1574.49 MB/sec
Timing buffered disk reads: 122 MB in 3.02 seconds = 40.40 MB/sec
不知道大家遇到这种问题了吗?
求助各位大侠!!
[ 本帖最后由 moonstar2k 于 2009-6-6 15:27 编辑 ] |
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