Title: LVM2 default USE flag change
Author: David Seifert <
soap@gentoo.org>
Posted: 2022-10-30
Revision: 1
News-Item-Format: 2.0
Display-If-Installed: sys-fs/lvm2
The Gentoo Base System team has recently switched from the disabling "device-mapper-only" flag to the enabling "lvm" (bug #718910).
After considering most reverse dependencies of sys-fs/lvm2, the Base System Team
has decided that the majority of Gentoo users are unlikely to use the LVM2 components of sys-fs/lvm2, instead relying solely on it providing device-mapper functionality.
To this end, we will disable the default enabled flag "+lvm" on sys-fs/lvm2
on 2023-01-01. If you do not have USE=lvm somehow globally enabled, this means you will lose LVM2 (but not device-mapper!) functionality, so enable it in your config if your boot configuration depends on it or if you depend on any of the lvm2-* daemons.
Furthermore, we have considered other default enabled USE flags too, and have come to the conclusion that USE=+thin makes even less sense than USE=+lvm. Thin-provisioned LVM volumes are an important use case in certain VM hosting scenarios, but unlikely to be relevant for the large majority of Gentoo users.
In summary:
- Enable USE="lvm" if you use lvm2 (but not needed for device-mapper) as described above.
- Enable USE="lvm thin" if you use thin as described above.
- If you don't know what LVM2 is, you don't need to take any action.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v2
iQKTBAABCgB9FiEEuNUxXaAAcsCoYIifzjbhFyAuOEIFAmNe7Z5fFIAAAAAALgAo aXNzdWVyLWZwckBub3RhdGlvbnMub3BlbnBncC5maWZ0aGhvcnNlbWFuLm5ldEI4 RDUzMTVEQTAwMDcyQzBBODYwODg5RkNFMzZFMTE3MjAyRTM4NDIACgkQzjbhFyAu OELbGQ/+IU+x3Nrn3pqkovahDfxNAnLsb0Dc4xMJU77G9Qq9tszVQdWgDfAtsapW CIfGmlBltYGt90hbqd+Ppdk+Pz2MwZtsx+h++hWK00TXD2Uj5nLclcKtOXf9cvME gREvCA4OXK3tLmEdpgDzqTFLGLFIank8wKaJvuLPiPpV2wepAKHmd33ZmhBFQuwC 4gKWb6dOLbFMygZm1o731y8akrwYdJ0jtu4C5D6gt+AWsEqzZ3rX55DlfEQVH6yZ 2DI6D3g0Bnotn9qUd/ySIYcCVp245ujS7/GXmg+9MjN7qGxgapKnTTQwQrA8O0/Z RAEcGudanh2JVpnGFldCJpKJ0m71P8Mklwa+hpsRIY3IeNNToTJBCxbrJUei2IJc HYsEbky7sHgpRvLM6F2qUJIAr6bSHY95Bm/p5YkmGfVOA6Kcv7ua/wZy7tfRF+Y+ hMaJ4Q3Z2SE+TEYIW40uyLuQiMLs0htS+olIXIIv5FryNl+Ko+LSgGbxQtonWmWr 4ZXGaYHHmFfOK6KyAjfsxgSPtDRPZxM4t6kcMFi/jr5kfG3+tWy3r1nGVMxx0Had f/Xgh1Bw88Cc9Nw3UEuZyGaN/da5coREBY7CTooUNgb0cMVO4zoko3njGcLpC/hE 6qxjccRz3xwag7+qZ1vrjOBzN/lM8Uc+Li/ZTGsZaHC8otnY1Ks=
=gQD+
-----END PGP SIGNATURE-----
--- SoupGate-Win32 v1.05
* Origin: fsxNet Usenet Gateway (21:1/5)