[YLUG] D-link

[Dr P Dupre]

Hello Phil,

Thank for your email.
I am only cinsidering it now !
I have a machine FC6 (hdx) and a machine FC7 (sdx).
lsmod |grep ata gives on the FC7:
ata_generic             8773  0
ata_piix               16709  11
libata                 99377  2 ata_generic,ata_piix
scsi_mod              119757  4 sr_mod,sg,libata,sd_mod

and:
ata_piix               18757  0
libata                120881  1 ata_piix
scsi_mod              140621  2 libata,sd_mod

So it looks like in both machine, similar modules are loaded.
However, the /etc/modprobe.conf files are different:
in FC7:
alias scsi_hostadapter ata_piix

but nothing like that in FC6

I guess that I can blacklist by inserting blacklist ata (or ata_generic)
in /etc/modprobe.d/blacklist

What do you think ?

Regards



> Dr P Dupre wrote:
>> I would like to follow your advice, but according to my information
>> the FC8 uses /dev/sdx and it is limited to 15 partitions when I
>> already have 17 partitions. When Fedora will let me use this partitioning
>> I will move on.
>> Am I wrong ?
>
> I don't know about Fedora, but other distributions (e.g. OpenSUSE 10.3)
> with recent kernels that use the libata code (which is what restricts
> you to 15 paritions) let you blacklist certain kernel modules. If you
> blacklist the libata drivers, it should fall back to the older drivers.
>
> I suggest figuring out which kernel module your current distro is using
> for the ATA, (scan through the output of lsmod or look in your initrd
> config) then look up how to blacklist modules on the Fedora
> installation. (on OpenSUSE the kernel parameter broken_modules is used,
> so you'd append broken_modules=ahci to the kernel parameters for
> example) Then, I'd boot up boot up a Fedora 8 rescue system and check
> what kernel modules it detects for your system, rebooting with those
> modules blacklisted, and repeating until you end up with the same
> modules as on your old system. Make sure you can mount all your
> partitions at that stage. Then just kick off a normal
> upgrade/installation with the same blacklist.
>
> It has to be said though: 17 partitions? What were you thinking!? I
> strongly recommend that you consider using LVM on future systems.
>
> ~phil
>
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Patrick Dupré                                             pd520 at york.ac.uk
University of York                                 Department of Chemistry
Heslington, York              YO10 5DD                      United Kingdom
Phone: +44-(0)-1904-434384                        Fax: +44-(0)-1904-432516
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