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Old 12-06-2010, 02:35 AM   #1
merlinchenx
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Registered: Dec 2010
Distribution: RHEL, Fedora
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Lightbulb ata_piix config option(CONFIG_ATA_PIIX) vary between Fedora 12,13 and RHEL6


ata_piix is a common kernel module used for Intel ICH Family IDE/SATA controllers(which is very common in PCs)
In Fedora 12 and 13,the default config option is Y(CONFIG_ATA_PIIX=Y).
But in RHEL 6,Red Hat "explicitly" set it to M(CONFIG_ATA_PIIX=M).
Why i use "explicitly" here is because they put "CONFIG_ATA_PIIX=M" into "config-generic-rhel".
config-generic-rhel stores all the config options modified by redhat and will be later merged into default kernel config file.
I think redhat must have a reason to do this "YtoM" change.Can anyone give me a hint on what the reason will be.....
 
Old 12-07-2010, 10:34 PM   #2
Ehtetur
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Registered: Mar 2008
Location: Atlanta, GA
Distribution: Red Hat Enterprise Linux, Scientific Linux
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Most servers shipping with RHEL6 or in general any new servers are using fibre channel, SSD, eSATA, SCSI, or even SATA-3 drives but not so much the SATA-1 or IDE drives supported by ata_piix.ko.
 
Old 12-08-2010, 07:50 PM   #3
merlinchenx
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Registered: Dec 2010
Distribution: RHEL, Fedora
Posts: 6

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Thanks Ehtetur, it's very helpful to me.
 
  


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