Christopher Mocock wrote:
pbdlists@xxxxxxxxxxxx wrote:
Hi Chris,
I have an old machine with SCSI disks on an adaptec controller and
recently added three SATA disks with a promise SATA controller add-on
card. With this machine I have the same issue. The machine boots off
the SCSI disk and sees this as sda, while during the installation it
assigns sda/sdb/sdc to the three SATA disks and sdd to the SCSI disk.
I believe that somehow controller detection in the installation kernel
and the installed kernel is not in the same order.
Interesting. I can't really do the hack you mention because my custom
spin has to go on lots of machines with different numbers of drives so I
can't make any such assumptions. Thanks for the info anyway.
The only workaround I can think of is disconnecting all the drives from
the RAID card, then doing the installation, then replacing the drives.
Far from ideal.
Not really sure where to go from here.
Here's a shot in the dark ... would UDev custom rules solve
your problem?
I can't say I've spent any serious time doing udev customization,
we were looking at hotplug handling, and I ran across these pages
while researching that topic.
If I read it correctly, you could insert your own rules to override
the default naming. However, since you state your environment has
serious challenges with non-uniform hardware configurations, this
might just be another dead end.
Of course, the UDev management might just kick in too late during
a normal system boot ...
My notes w/ some URLs are below.
- Don
=================================
-- From: http://www.wlug.org.nz/UDev
...
udev is the UserSpace-based replacement for DevFs, an obsolete Linux
Kernel Module that creates entries for available devices in /dev.
udev is available in Kernel 2.5 and newer and uses HotPlug and the
SysFs FileSystem.
The home page for udev is at:
http://www.kernel.org/pub/linux/utils/kernel/hotplug/udev.html
See also:
* Red Hat Magazine - Configuring Devices with udev
-- http://www.redhat.com/magazine/002dec04/features/udev/
* Writing udev rules
-- http://www.reactivated.net/udevrules.php
* Gentoo Customizing udev HOWTO
-- http://gentoo-wiki.com/HOWTO_Customizing_UDEV
...
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