openlmi-devel January 2013

openlmi-devel@lists.fedorahosted.org

4 participants
4 discussions

RFC: Blivet & mounting
by Jan Safranek 04 Feb '13

04 Feb '13

Hello, OpenLMI project uses Blivet, former Anaconda storage library, to manage storage. Management of storage also means management of mounts, i.e. ability to mount/unmount/remount stuff, list existing mounts and add/delete/modify/list entries in /etc/fstab. The installer somehow manipulates fstab and mounts stuff and there is some code in Blivet for that, but I am not sure it can be easily extended for generic use case. Is generic mounting/unmounting capability that something Blivet should do, so it would be integrated there, or there should be separate library for this? In both cases, we (=OpenLMI) would /probably/ provide the code. Is there any other potential Blivet user who needs mounting? Can the installer benefit from more generic mounting? What OpenLMI needs: - parse /proc/mounts and provide list of mounts with their options - parse /etc/fstab and provide list of persistent mounts with their options (which can be different to /proc/mounts, someone might re-mount something with different options!) - re-mount a mount with different options - create new mount, both permanent (with fstab entry) and 'temporary' - unmount anything (incl. removing entry from fstab). BTW, for fstab manipulation I am thinking about augeas-python. It does not pull any big dependency except libxml2, still it's yet another package needed in installer ramdisk if generic mounting is in Blivet. Jan

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Fwd: Proposed F19 Feature: systemd features
by Stephen Gallagher 29 Jan '13

29 Jan '13

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On Sun 27 Jan 2013 08:54:49 AM EST, Jaroslav Reznik wrote: > Announcing various systemd features in one announcement, see > bellow: > <snip> > = Features/SystemdHardwareDatabase = > https://fedoraproject.org/wiki/Features/SystemdHardwareDatabase > > Feature owner(s): Kay Sievers <kay at redhat dot com> > > The udevd service has a long history of managing kernel devices. > Besides generating events when devices are discovered or removed it > maintains a dynamic, stateless database of all available devices > including meta data about them. With Fedora 19 we want to > substantially enhance the metadata that udev keeps for each device, > by augmenting it from a userspace database of non- essential > information, that is indexed by device identification data such as > PCI/USB vendor/product IDs. > This to me looks like it would be an excellent data source for our hardware inventory provider. We should sync up with the systemd folks to identify the available D-BUS interfaces to query for this information. <snip> > = Features/SystemdResourceControl = > https://fedoraproject.org/wiki/Features/SystemdResourceControl > > Feature owner(s): Lennart Poettering <lennart at poettering dot > net> > > systemd already has support for assigning specific resources to > system services using various configuration settings. With Fedora > 19 we'd like to build on that, and add the ability for the admin to > dynamically query the resource control parameters and change them > at runtime. > This is definitely another thing to keep an eye on. This is exactly the sort of performance tweaking we will want to be able to accomplish from a central location, so we should very seriously consider how best we can control this via OpenLMI. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.13 (GNU/Linux) Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iEYEARECAAYFAlEGcgIACgkQeiVVYja6o6NBNwCeLeyQ4iP/KjcbTyMfLK5ebWQu MfUAmwb0YtgpGkS4slQxBvGllpHGTWLi =YRhB -----END PGP SIGNATURE-----

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Fedora 19 Feature page for OpenLMI
by Tomáš Smetana 25 Jan '13

25 Jan '13

Hello all, we should put together a Fedora 19 Feature page: I have the first draft here: https://fedoraproject.org/wiki/Features/OpenLMIEaseOfUse Feel free to add/remove/edit. If I don't get any disagreeing comments I will submit the page for FESCo review. Thanks and regards, -- Tomáš Smetana Base OS Engineering, Red Hat

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ANNOUNCE: openlmi-storage 0.5.0 released
by Jan Safranek 18 Jan '13

18 Jan '13

I am pleased to write that OpenLMI Storage provider ver. 0.5.0 has just been released. Grab it at https://fedorahosted.org/releases/o/p/openlmi-storage/openlmi-storage-0.5.0… openlmi-storage has been rewritten from scratch. It is not backward compatible with older releases. It includes extensive documentation full of examples included, both for SMI-S gurus and for common Linux administrators without any SMI-S knowledge. Snapshot of the documentation is available at http://jsafrane.fedorapeople.org/openlmi-storage/api/0.5.0/ While we cannot guarantee that the API won't change in future, we are pretty confident its concept is stable and it should be only _extended_ and not _rewritten_. Still, the software is still considered for pre-production testing and not for production use. As part of the release, new test suite is introduced. See test/README for details. Jan Safranek

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openlmi-devel January 2013