Re: Which disk is ata4?

On Thu, Aug 30, 2012 at 9:14 AM, Jan Engelhardt [off-list ref] wrote:

On Thursday 2012-08-30 06:38, Andy Lutomirski wrote:

quoted

One of my disks went out to lunch for a while.  Logs below.

[784786.047673] ata4.00: exception Emask 0x10 SAct 0x7800 SErr 0x0
action 0x6 frozen

Which one is it?  The only useful thing in /sys/class/ata_port/ata4 is
the device symlink, which points at
/sys/devices/pci0000:00/0000:00:1f.2/ata4.

For example, ata2 here:

$ cd /sys/devices
$ find . -name ata2
./pci0000:00/0000:00:1f.2/ata2
./pci0000:00/0000:00:1f.2/ata2/ata_port/ata2
$ cd ./pci0000:00/0000:00:1f.2/ata2
$ ls -dl host*/targ*
drwxr-xr-x 4 root root 0 Aug 30 18:09 host1/target1:0:0

Aha!  This works on 3.5 but not on 3.2.  Mystery solved (except on my
poor Ubuntu LTS box that has the host directories under the pci device
instead of under the ata devices).

Consider this report solved by "fixed in newer kernel".  I thought I
had checked for that.

It would be nice if the dmesg startup logs showed the serial number
along with the model number.

--Andy