Re: [HPDD-discuss] Which Series File to Use
Roger,
The set of patches you're linking in are kernel patches, which modify
the kernel make it suitable to Lustre. They're part of the kernel build
process.
The ldiskfs patch series are part of the Lustre stage of the build
process, and are not applied to the kernel.
Lustre (approximately, I may have the details wrong) makes a copy of the
ext4 source, and applies the ldiskfs patches to it to create the ldiskfs
module for Lustre. So the ldiskfs patches are not built in to the kernel.
I can confirm that that build process as documented gives viable Lustre
server RPMs.
- Patrick
On 06/20/2014 12:29 PM, Roger Spellman wrote:
When patching a kernel by following
https://wiki.hpdd.intel.com/pages/viewpage.action?pageId=8126821, the
instructions say:
-- link the Lustre series and patches
# ln -s ~/lustre-release/lustre/kernel_patches/series/2.6-rhel6.series
series
# ln -s ~/lustre-release/lustre/kernel_patches/patches patches
-- Apply the patches to the kernel source using quilt
# quilt push -av
...
In Lustre 2.1.6, the file
lustre/kernel_patches/series/2.6-rhel6.series (which is where the link
is made to) has only 8 patch files, while the file
ldiskfs/kernel_patches/series/ldiskfs-2.6-rhel6.series has 34 patches.
Why do we use one, and not the other. Or, do we need both?
Roger
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