On 01/18/2012 04:34 PM, Darren Hart wrote:
On 01/18/2012 09:05 AM, Jim Abernathy wrote:
FYI for those wanting to use Soft RAID, make sure you create one very
small primary partition for GRUB2 to put the second part of the
boot-loader in. Can't use the old process.
I strongly recommend using a separate DISK for your OS installation.
Yocto builds are hard on disks, and RAID 0 increases your risk of
failure in exchange for the added performance. I use a small SSD for my
OS disk and a large RAID0 array of spinning disks for /build and another
array for /virt (where my VM images live - easily recreated).
Learned a few things in this process. I appreciate all the help and advice.
1. So we know that at least with Edison, btrfs does not work with bitbake.
2. When I rebuilt the system, this time I put the Linux root directory
on an 80GB SSD. That is where I also have my clone of Linux-Yocto
repository, poky, and download directory , DL_DIR.
3. I have create /build with EXT4 format on a Software RAID 0 (striped)
partition, using 2 separate hard drives, to use as the working
build directory for bitbake. I have a striped swap file on the same
two drives. But with 8GB or RAM, I shouldn't be using that much.
My build times for some of the basic meta-intel BSPs is around 103 minutes.
Jim A
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