[opensuse] How to tell, which hd is which?



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Hi,

I have a problem that one of the disks in the raid of my home server
seems to be broken. I get tons of

May 31 22:44:46 k-tanco kernel: [188912.152703] ata4.00: exception
Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
May 31 22:44:46 k-tanco kernel: [188912.152711] ata4.00: irq_stat
0x40000001
May 31 22:44:46 k-tanco kernel: [188912.152720] ata4.00: failed
command: READ DMA EXT
May 31 22:44:46 k-tanco kernel: [188912.152735] ata4.00: cmd
25/00:00:4a:f9:df/00:01:12:00:00/e0 tag 0 dma 131072 in
May 31 22:44:46 k-tanco kernel: [188912.152744] res
51/40:00:94:f9:df/00:00:12:00:00/00 Emask 0x9 (media error)
May 31 22:44:46 k-tanco kernel: [188912.152758] ata4.00: status: {
DRDY ERR }
May 31 22:44:46 k-tanco kernel: [188912.152765] ata4.00: error: { UNC }
May 31 22:44:46 k-tanco kernel: [188912.244270] ata4.00: configured
for UDMA/133
May 31 22:44:46 k-tanco kernel: [188912.244295] ata4: EH complete

Now, the problem is, which physical disk is it?

I have 5 disks in this machine. One old IDE as system disk and 2x2
SATA in 2 RAIDS.
The disks of the failing RAID are plugged into SATA port 3 and 4
according to the printing on the board, but for some weird reason,
they show up in the system as sdb and sdd. Before I put them in, the
other 2 SATA disks were sda and sdb while the IDE disk was sdc. Now
the "old" SATA disks are sda and sdc and the new ones are sdb and sdd.

So... Why, for crying out loud, can't SATA 1 be sda to SATA 4 be SDD
as it was in the good old times?
And which physical disk is the failing one?

- -S

- --
(o_ Stefan Gofferje | SCLT, MCP, CCSA
//\ Reg'd Linux User #247167 | VCP #2263
V_/_ Heckler & Koch - the original point and click interface
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