On 11/08/2009 06:20 AM, Chris Tyler wrote:
On Sun, 2009-11-08 at 09:17 +0000, Andy Campbell wrote:
What does the 6 or 6:00 correspond to? It doesn't appear to be a major
or minor device number, or correspond to any entries in /sys that I can
find. If the 6 is not the device (but rather the driver version or
something), is there any part of these messages that indicate which
device is associated with the error?
According to the libata wiki ...
http://ata.wiki.kernel.org/index.php/Libata_error_messages
It should be the drive plugged into port 6 of your motherboard.
Thank you! That's a great link; I had googled all over for that info but
somehow didn't find it.
I still wonder, though, how to convert "port 6" to a Linux device name
-- surely the kernel knows the mapping somewhere, how do I get at that
info?
-Chris
Take a look at "/sys". "ls /sys/block" will show you all the block
devices in your system and the device controller they are attached to.
lrwxrwxrwx 1 root root 0 2009-11-08 09:57 sda ->
../devices/pci0000:00/0000:00:1f.2/host2/target2:0:0/2:0:0:0/block/sda
Now, "ls /sys/block/sda" will show something like this:
alignment_offset capability device holders queue removable sda1
slaves subsystem
bdi dev ext_range power range ro size
stat uevent
Some of these are "pseudo" files that you can cat, others are
directories the you can examine. The info you want is here.
Sorry I don't know the exact answer, but I'll bet that you find it by
poking around in /sys.
Regards,
John
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