[linux] Problem with big big hard drive

Dan Sanderson lists at dansanderson.com
Sun May 25 00:34:57 PDT 2003

Just to preserve my reputation for answering my own damned questions,
here's confirmation that Promise 20269 is in 2.4.20, and not in 2.4.18:

So I guess I'll try that.

Comments still welcome...
-- Dan

Dan Sanderson wrote:

> Addendum (no I didn't fix it 5 minutes after I posted this time :) :

> The Matrox ATA/133 PCI card (a Promise card) is interesting: on boot

> up, after the BIOS found all the drives for the on-board IDE

> controller, the new card displayed its own screen where it detected

> the new drive as a primary on its IDE1 (where I put it). Everything

> else started up fine. However, Linux didn't automatically set up hde

> as I was hoping it would.


> /proc/ide does not contain anything new, only ide0, ide1 (the on-board

> controllers), hda (ide0/hda) (my boot drive), hdc (ide1/hdc) (an ATAPI

> Zip drive), hdd (ide1/hdd) (my DVD-ROM drive), and the drivers file

> ("ide-disk version 1.10"). If everything worked automatically, I

> would have expected an ide2 and ide3, as well as hde (ide2/hde). No

> such luck.


> /proc/pci shows the card just fine:

> Bus 0, device 13, function 0:

> Unknown mass storage controller: Promise Technology, Inc. 20269

> (rev 2).

> IRQ 9.

> Master Capable. Latency=64. Min Gnt=4.Max Lat=18.

> I/O at 0xd800 [0xd807].

> I/O at 0xdc00 [0xdc03].

> I/O at 0xe000 [0xe007].

> I/O at 0xe400 [0xe403].

> I/O at 0xe800 [0xe80f].

> Non-prefetchable 32 bit memory at 0xe0000000 [0xe0003fff].


> More searches about Linux and the Promise U133 show posts from people

> that have had success using kernel 2.4.19 (I'm at 2.4.18), though no

> explicit mention that 2.4.18 is required for this (just that everyone

> seems to be using it). The kernel changelog mentions Promise 20276

> was added with 2.4.19, which, given the model number difference (20269

> mentioned in /proc/pci), isn't enough to convince me to break from

> Debian stable to upgrade to 2.4.20 (though I suppose it should be

> considering 2.4.20 is considered the "production" kernel).


> Someone seems to think that if the kernel is compiled with ide-mod as

> a module, then /etc/modules.conf could have options ide-mod

> options="ide2=ata66 ide3=ata66" (or to test, modprobe ide-mod

> options="ide2=ata66 ide3=ata66"). Someone correct me if I'm wrong,

> but I gather that the built-into-the-kernel equivalent is putting

> append="ide2=ata66 ide3=ata66" in lilo.conf (and running lilo to

> install). No change.


> Other mentions imply that Promise 20269 support is in the 2.5 kernel.

> Nothing conclusive, but I'm not willing to go 2.5 just for this anyway.


> Anyhoo, I'd rather settle for EIDE speed, or get a new motherboard, if

> either of those would give me access to the 200GB drive. Anyone have

> any similar experiences they can relate?


> Thanks!

> -- Dan




> Dan Sanderson wrote:


>> I recently got a brand new Maxtor 7200 RPM 200GB hard drive (Maxtor

>> 6Y200PO). This is the Maxtor Ultra Series 8MB cache, Ultra ATA/133.

>> My BIOS detects it fine as the secondary slave, and Linux assigns it

>> /dev/hdd as appropriate. But any attempt to fdisk /dev/hdd results

>> in "Unable to open /dev/hdd," and /var/log/messages to log "hdd:

>> driver not present." I'm using kernel 2.4.18-bf2.4 (Debian 3.0).

>> Does anyone have any ideas on what "driver not present" means in this

>> context? Anyone know what I might be missing?


>> The drive came with an Ultra ATA/133 PCI card, which I haven't tried

>> yet and originally assumed was optional. This has given me the

>> impression that UDMA is rather new, at least relative to my

>> motherboard (please correct me if I'm wrong). So I'm learning about

>> Ultra DMA a little after the fact. The Linux UDMA Mini-Howto ([1])

>> says UDMA should be backwards compatible with EIDE (without the UDMA

>> bus speed), and I shouldn't have to do anything special to get it to

>> work. I don't know much about my motherboard except that it's at

>> least a few years old and reports itself as "Via Apollo Pro PCISet"

>> on start-up (which I assume close to this:

>> http://www.via.com.tw/en/apollo/PRO.jsp). The mini-howto mentions a

>> possibly old problem with "TX Pro and other 'Pro' boards," but I

>> don't know enough to know if that applies here, and by now I'm

>> probably way off track.


>> I haven't tried using the PCI card yet, but the mini-howto implies

>> there's a chance that it might just work, assigning drives to

>> hde-hdh. I'm not optimistic; the card comes with "Windows-only"

>> drivers, which reeks of being too new to work with Linux. I've been

>> tempted to get a new motherboard and processor for a while now, so

>> maybe this is a good excuse?


>> Any other thoughts? Anyone got a favorite ATX motherboard they want

>> to plug? (I'm terrible with motherboards. Lately it seems like the

>> motherboard/CPU purchasing decision and compatibility issues have

>> gotten even more complicated, but maybe it's just me.)


>> Thanks, all!

>> -- Dan


>> [1] UDMA mini-howto:

>> http://www.linux.org/docs/ldp/howto/mini/Ultra-DMA.html




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