From: Nikos Skalkotos Date: Thu, 18 Oct 2012 14:42:39 +0000 (+0300) Subject: Rephrase the caveats on image creation doc section X-Git-Tag: v0.1~9 X-Git-Url: https://code.grnet.gr/git/snf-image-creator/commitdiff_plain/058f5b86fc25bb6b63bc10285a95d6f26fdd1831 Rephrase the caveats on image creation doc section Thank you cven. --- diff --git a/docs/usage.rst b/docs/usage.rst index 05443e4..70cafb6 100644 --- a/docs/usage.rst +++ b/docs/usage.rst @@ -238,19 +238,19 @@ confirm the provided data. Choosing *YES* will create the image and upload it to your *~okeanos* account. -Things you need to pay attention to when creating images -======================================================== +Some caveats on image creation +============================== Para-virtualized drivers ------------------------ -*~Okeanos* uses the *VirtIO* framework. The disk I/O controller and the Ethernet -cards on the VM instances are para-virtualized and need special *VirtIO* drivers. -Those drivers are included in the Linux Kernel mainline since version 2.6.25 -and are shipped with all the popular Linux distributions. The problem is that -if the driver for the para-virtualized disk I/O controller is built as -module, it needs to be preloaded using an initial ramdisk, otherwise the VM -will not be able to boot. +*~Okeanos* uses the *VirtIO* framework. The disk I/O controller and the +Ethernet cards on the VM instances are para-virtualized and need special +*VirtIO* drivers. Those drivers are included in the Linux Kernel mainline since +version 2.6.25 and are shipped with all the popular Linux distributions. The +problem is that if the driver for the para-virtualized disk I/O controller is +built as module, it needs to be preloaded using an initial ramdisk, otherwise +the VM will not be able to boot. In the image creation demonstration above, we initially installed the Ubuntu system on a hard disk (*ubuntu_hd.raw*) that was connected on a