Re: Problem with ahci and a external sata disk | |
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El Viernes, 7 de Marzo de 2008, Jose Alberto Reguero escribió:
> El Viernes, 7 de Marzo de 2008, Jose Alberto Reguero escribió:
> > El Viernes, 7 de Marzo de 2008, Jose Alberto Reguero escribió:
> > > El Jueves, 6 de Marzo de 2008, Tejun Heo escribió:
> > > > Jose Alberto Reguero wrote:
> > > > > When I try to make a ext3 fs in the disk I got a lot of erros:
> > > >
> > > > Can you please try 2.6.25-rc4 and see whether it behaves any
> > > > differently. The initial errors should be about the same but EH
> > > > should slow the PHY to 1.5Gbps quickly and that seems to solve many
> > > > PHY related problems on eSATA connectors.
> > > >
> > > > Thanks.
> > >
> > > I try with kernel 2.6.25-rc4 but when the limiting speed to 1.5g the
> > > device can't recover.
> > > I try whith the option:
> > > options libata force=4:1.5g
> > > and works, but the speed is limited until:
> > > ata4.00: limiting speed to UDMA/33:PIO4
> > > and still have some errors.
> > >
> > > Do you know what Transfer mode I must try in libata force to not
> > > have erros?
> > >
> > > Thanks.
> > >
> > > Jose Alberto
> >
> > [root@jar Pls]# hdparm -I /dev/sdd
> >
> > /dev/sdd:
> >
> > ATA device, with non-removable media
> > Model Number: Seagate FreeAgent Pro
> > Serial Number: 5QD3Q2AZ
> > Firmware Revision: 3.AFM
> > Standards:
> > Used: ATA/ATAPI-6 T13 1410D revision 1
> > Supported: 6 5 4
> > Configuration:
> > Logical max current
> > cylinders 16383 0
> > heads 16 0
> > sectors/track 63 0
> > --
> > LBA user addressable sectors: 268435455
> > LBA48 user addressable sectors: 1465149168
> > device size with M = 1024*1024: 715404 MBytes
> > device size with M = 1000*1000: 750156 MBytes (750 GB)
> > Capabilities:
> > LBA, IORDY(cannot be disabled)
> > Standby timer values: spec'd by Vendor, with device specific
> > minimum R/W multiple sector transfer: Max = 1 Current = 0
> > 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
> > * Power Management feature set
> > * Write cache
> > * 48-bit Address feature set
> > * Mandatory FLUSH_CACHE
> > * FLUSH_CACHE_EXT
> > * SMART self-test
> > * WRITE_{DMA|MULTIPLE}_FUA_EXT
> > * SATA-I signaling speed (1.5Gb/s)
> > * SATA-II signaling speed (3.0Gb/s)
> > Integrity word not set (found 0x0000, expected 0x23a5)
> >
> > I noticed that :
> > R/W multiple sector transfer: Max = 1 Current = 0
> >
> > It is important?
> >
> > Jose Alberto
>
> I did more tests. I put:
>
> options libata force=4:1.5g,udma0
>
> and the ICRC errors still appear. But only writing. I try with the device
> at top speed(3G) and reading the errors don't appear.
> Another thing is that when limiting the speed to 1.5G, the real read speed
> don't seem to change and is about 2 times the read speed that I have with a
> SATA-I device. Is like limiting the speed to 1.5G don't do nothing.
>
> I will try the disk in a SATA-I port.
>
> Thanks.
>
> Jose Alberto
> --
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More tests:
When connected via USB:
[root@jar Pls]# hdparm -I /dev/sdd
/dev/sdd:
ATA device, with non-removable media
Model Number: ST3750640AS
Serial Number: 5QD3Q2AZ
Firmware Revision: 3.AFM
Standards:
Supported: 7 6 5 4
Likely used: 7
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: 1465149168
device size with M = 1024*1024: 715404 MBytes
device size with M = 1000*1000: 750156 MBytes (750 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 = ?
Recommended acoustic management value: 160, current value: 0
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=240ns 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
* Power-Up In Standby feature set
* SET_FEATURES required to spinup after power up
SET_MAX security extension
* 48-bit Address feature set
* Device Configuration Overlay feature set
* Mandatory FLUSH_CACHE
* FLUSH_CACHE_EXT
* SMART error logging
* SMART self-test
* General Purpose Logging feature set
* SATA-I signaling speed (1.5Gb/s)
* SATA-II signaling speed (3.0Gb/s)
* Native Command Queueing (NCQ)
* Phy event counters
Device-initiated interface power management
* Software settings preservation
Security:
Master password revision code = 65534
supported
not enabled
not locked
not frozen
not expired: security count
not supported: enhanced erase
Checksum: correct
How can be so diferent that the one make with esata?
Thanks.
Jose Alberto
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