Check your alignment

New in libguestfs 1.13.18 is a tool to check your guest partitions are aligned for best performance.

virt-alignment-scan manual page

I found that all guests RHEL ≤ 5 & Windows < 2008 have poor partition alignment.


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2 responses to “Check your alignment

  1. Richard, sorry to post off topic…have you had a chance to look at the bitstring construction issue mentioned here:

  2. Great tool!
    For RHEL5 kickstart deployments there is a workaround to get partitions aligned in creating partitions in the %pre section. A document in the customer center has details.
    Have not checked yet the outcome of RHEL5 deployments with this %pre with virt-alignment-scan thou.

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