From fe491524cefd1ede281debbc128dab4ce26d7ab6 Mon Sep 17 00:00:00 2001 From: Richard Jones Date: Tue, 9 Jun 2009 15:21:33 +0100 Subject: [PATCH] Added more to-do items to the list. --- TODO | 44 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) diff --git a/TODO b/TODO index 3264e3a..0aeceb7 100644 --- a/TODO +++ b/TODO @@ -49,6 +49,9 @@ Use virtio_blk by default. It's faster and more natural. Unfortunately it seems like this will rename all devices - see next item. +Note: virtio_blk *IS* supported by all our minimum platforms, +ie. CentOS 5.3, Fedora 11, Debian. + ---------------------------------------------------------------------- "Device independent" naming for devices. @@ -99,3 +102,44 @@ no harm): -drive file=...,if=[ide|virtio],cache=off cache=off is necessary to improve reliability in the event of a system crash when writing. + +---------------------------------------------------------------------- + +"Standalone/local mode" + +Instead of running guestfsd (the daemon) inside qemu, there should be +an option to just run guestfsd directly. + +The architecture in this mode would look like: + + +------------------+ + | main program | + |------------------| + | libguestfs | + +--------^---------+ + | | reply + cmd | | + +----v-------------+ + | guestfsd | + +------------------+ + +Notes: + +(1) This only makes sense if we are running as root. + +(2) There is no console / kernel messages in this configuration, but +we might consider capturing stderr from the daemon. + +(3) guestfs_config and guestfs_add_drive become no-ops. + +Obviously in this configuration, commands are run directly on the +local machine's disks. You could just run the commands themselves +directly, but libguestfs provides a convenient API and language +bindings. Also deals with tricky stuff like parsing the output of the +LVM commands. Also we get to leverage other code such as +virt-inspector. + +This is mainly useful from live CDs, ie. virt-p2v. + +Should we bother having the daemon at all and just link the guestfsd +code directly into libguestfs? -- 1.8.3.1