[CentOS-devel] Back-port md raid1/10 BIO_RW_SYNC patch for DRBD

Johnny Hughes mailing-lists at hughesjr.com
Fri Mar 2 08:38:49 UTC 2007


On Thu, 2007-03-01 at 14:47 -0500, Ross S. W. Walker wrote:
> > -----Original Message-----
> > From: centos-devel-bounces at centos.org 
> > [mailto:centos-devel-bounces at centos.org] On Behalf Of Ross S. 
> > W. Walker
> > Sent: Thursday, March 01, 2007 9:22 AM
> > To: The CentOS developers mailing list.
> > Subject: RE: [CentOS-devel] Back-port md raid1/10 BIO_RW_SYNC 
> > patch for DRBD
> > 
> > > -----Original Message-----
> > > From: centos-devel-bounces at centos.org 
> > > [mailto:centos-devel-bounces at centos.org] On Behalf Of Johnny Hughes
> > > Sent: Thursday, March 01, 2007 6:15 AM
> > > To: CentOS-Devel
> > > Subject: RE: [CentOS-devel] Back-port md raid1/10 BIO_RW_SYNC 
> > > patch for DRBD
> > > 
> <snip>
> > 
> > Does that make a difference, will yum recognize it as a 
> > upgrade or dependency from the current version?
> > 
> > Also I didn't install the standard kernel I did a yum update 
> > from 2.6.9-42.0.8.plus.c4smp and it went ahead and installed 
> > the standard?
> > 
> > Maybe the mirror hadn't received all the updates yet and it 
> > decided the standard was the best candidate?
> 
> It was the mirror having not sync'd up all the updates.
> 
> I did notice something, that might have been true before, but
> just noticed now. The kernel development headers are marked
> as upgrades to the previous ones so you can only have one
> installed at a time.
> 
> That makes it hard to compile kernel drivers for previous
> versions you may have installed if you need to revert back
> to the previous version.

That is true, and is how the version of YUM is written that is included
in c4 ... you can fix this issue with this line in your yum.config file
(all one line):

installonlypkgs=kernel kernel-smp kernel-devel kernel-smp-devel kernel-largesmp kernel-devel-largesmp kernel-hugemem kernel-hugemem-devel

Thanks,
Johnny Hughes
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