Kickstart – Modify XFS Filesystem Creation Parameters on CentOS 6

centos6filesystemskickstartrhel6xfs

I'm streamlining the kickstart process for a series of EL6.2 (RHEL, CentOS, SL, etc.) systems. I'd prefer to use XFS over ext4 for the growth/data partition. However, I'd like some control over the options passed to mkfs.xfs for the creation of the partition. I'd typically create this partition after the server was built, so that I'd have this control. But this should really be automated.

When creating a manual XFS partition of 400GB, I'd usually use a command string like:

mkfs.xfs -f -L /data -d agcount=100 -l size=128m,version=2 /dev/cciss/c0d1p0

With /etc/fstab mount options like:

LABEL=/data /data xfs noatime,logbufs=8,logbsize=256k,nobarrier 1 2

How can I get something similar built into the anaconda kickstart installation process without resorting to placing it in %post?

Best Answer

Your options for creating filesystems are limited to those described in the kickstart documentation (in particular, the part, logvol, and raid commands). The assumption there is generally that you're happy with the default options when creating filesystems. If you need anything fancier, you'll need to use the %pre or %post section to call mkfs.xfs directly.

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