On 2/26/2011 3:33 AM, Fajar A. Nugraha wrote:
On Sat, Feb 26, 2011 at 3:33 PM, Randy Katz<rkatz@xxxxxxxxxxxxxxxxxxxxx> wrote:
ps - I did:
# lspci | grep -y sata
00:1f.2 RAID bus controller: Intel Corporation 82801 SATA RAID Controller
(rev 02)
Try
grep AHCI /boot/config-*
lsmod | egrep "piix|hci"
hdparm -i /dev/sd?
dmesg | grep DMA
ok, thanks, here goes:
# grep AHCI /boot/config-2.6.18-194.*
/boot/config-2.6.18-194.32.1.el5:CONFIG_SATA_AHCI=m
/boot/config-2.6.18-194.32.1.el5xen:CONFIG_SATA_AHCI=m
/boot/config-2.6.18-194.el5:CONFIG_SATA_AHCI=m
# lsmod | egrep "piix|hci"
ahci 69705 7
libata 209361 1 ahci
uhci_hcd 57689 0
ohci_hcd 56437 0
ehci_hcd 66253 0
# hdparm -i /dev/sda
/dev/sda:
Model=ST31500341AS , FwRev=CC1H ,
SerialNo= 9VS1P3C6
Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs RotSpdTol>.5% }
RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=4
BuffType=unknown, BuffSize=0kB, 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=no WriteCache=enabled
Drive conforms to: unknown: ATA/ATAPI-4 ATA/ATAPI-5 ATA/ATAPI-6
ATA/ATAPI-7
* signifies the current active mode
# hdparm -i /dev/sdb
/dev/sdb:
Model=ST31500341AS , FwRev=CC1H ,
SerialNo= 9VS1CBWX
Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs RotSpdTol>.5% }
RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=4
BuffType=unknown, BuffSize=0kB, 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=no WriteCache=enabled
Drive conforms to: unknown: ATA/ATAPI-4 ATA/ATAPI-5 ATA/ATAPI-6
ATA/ATAPI-7
* signifies the current active mode
# dmesg | grep DMA
DMA zone: 1917411 pages, LIFO batch:31
PCI-DMA: Using software bounce buffering for IO (SWIOTLB)
ata1: SATA max UDMA/133 abar m2048@0xff970000 port 0xff970100 irq 253
ata2: SATA max UDMA/133 abar m2048@0xff970000 port 0xff970180 irq 253
ata3: SATA max UDMA/133 abar m2048@0xff970000 port 0xff970200 irq 253
ata6: SATA max UDMA/133 abar m2048@0xff970000 port 0xff970380 irq 253
ata1.00: ATA-8: ST31500341AS, CC1H, max UDMA/133
ata1.00: configured for UDMA/133
ata2.00: ATA-8: ST31500341AS, CC1H, max UDMA/133
ata2.00: configured for UDMA/133
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