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
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