I retired my NT box and moved to all Samba. In the process I freed up a
9Gb drive which I'd like to use. My Linux/Samba system is an IBM unit.
Boot device is IDE ( / and /boot ). Currently I have a Compaq 18Gb SCSI
hard drive, SCA interface with a standard adapter to convert to SCSI
(For those not familiar, SCA is a SCSI connector with everything in it.
Power, SCSI, Jumpers, Termination). It is /usr. The fstab entry =
LABEL=/usr /usr ext2 defaults 1 2. I don't quite get that "LABEL"
thing.
At any rate. This device is device 0 and is /sda1. It is the last
device on the ribbon cable and is terminated. The adapter is an Adaptec
AHA 2940/AHA 2940W (No external devices, termination is "enabled").
I add the 9Gb drive. It is IBM, also SCA and uses the same type of
adapter. It is device 2. I've tried it both terminated and not
terminated. After installing this drive I ran a read check, the only
extensive check I can run, from within the Adaptec menu's. Both drives
run clean.
When I boot Linux, RH 7.1, I get weird errors. Most recently it hung at
the point I would expect it to be checking /usr (right after it said
/boot was clean). I waited and finally Ctrl-C'd out. I got the
messages:
SCSI host 0 abort (pid 0) timed out - resetting
SCSI bus is being reset for host 0 channel 0
I/O error: dev 08:01, sector 16
I/O error: dev 08:01, sector 80
At this moment there is no entry in fstab for the 9Gb device. In my
long trials with this I had it mounted once as /dev/sdb1. I even copied
several Gb onto the drive before getting excessive errors.
Any thoughts or suggestions here. I've changed the devices postition on
the ribbon cable, although I always keep on device as the last one on
the cable. I've tried the middle device with and without termination.
Since I can boot the system (from the ide drive) I can try bringing up
one device at a time. However, does someone have a suggestion for a way
to stress a drive, say a big copy or a write and read sequence?
It really, really looks like a hardware problem however since the
adaptec read test works I'm wondering if it could be a Linux Driver
problem. Adaptec's site doesn't help. What other resources might I
find helpful.
By the way, after the bad run above where /dev/sda1 hung on the test I
removed the middle drive (the IBM drive) and restarted. The drive not
only didn't hang but it passed as "Clean".
Thanks for any help. GGK
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