Andrew,
On my Buffalo Linkstation Pro trying hdparm tells me the drive
is scsi. hdparm may not support these operations on drives
that are emulating scsi. Both the Linkstation Pro and 7800 seem to
use Marvel driver code.
David.
--- In Andrew Taylor <> wrote:
>
> Has anyone successfully used hdparm to spin down SATA disks
> on a TS-7800? I get this:
>
> TS-7800:/# hdparm -i /dev/sda
> /dev/sda:
> HDIO_GET_IDENTITY failed: Invalid argument
> TS-7800:/# hdparm -y /dev/sda
> /dev/sda:
> issuing standby command
> HDIO_DRIVE_CMD(standby) failed: Invalid argument
>
> Maybe someone can save me diving into the code?
>
> Throughput is, as you'd expect, much better with the SATA intefrace.
> I'm getting 22Mb/s write and 36Mb/s write (from bonnie++) with a 2.5"
> 160Gb 5400rpm Samsung. Much better than TS72xx USB which was under
1Mb/s.
>
> A couple of piece of info that might save others some time.
>
> I made a bootable ts7800 SD-card effectively like this:
> wget -O- ftp://ftp.embeddedarm.com/ts7800-512mbsd.dd.bz2|bunzip2 -c
>/dev/mmcblk0
> I haven't seen any info about the format of the first 3 partitions.
>
> I used
>
ftp://ftp.embeddedarm.com/ts-7800-linux-sd/distributions/debian-etch-eabi-armel-512MB-oct042007.tar.gz
> to set up an ts7800 NFS file system with 2 changes.
>
> I needed to create /dev/ttyS0 (mknod dev/ttyS0 c 4 64) before it
> would boot. Also /etc/hosts had an apparently incorrect address for
> armel-debs.applieddata.net hard-wired which stopped apt-get working.
>
> TS's scripts expect NFS server at 192.168.0.1 and gateway and nameserver
> at 192.168.0.11. Rather than change them I configured my linux box to
> grab these addresses, basically:
> ifconfig eth0:1 192.168.0.1
> ifconfig eth0:2 192.168.0.11
> echo 1 > /proc/sys/net/ipv4/ip_forward
>
> Also if someone from TS is reading, it be good to have rsync on the
> distributed filesystems. Although its easy to add once you have apt-get
> working, its a tool that can be useful before then.
>
> Andrew
>
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