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H A Difgroup.cdiff 47528c67efac952d08840ed54f0b93682a6008a8 Tue Apr 17 14:54:58 CEST 2018 Andrew Gallatin <gallatin@FreeBSD.org> Make lagg creation more fault tolerant

- Warn, don't exit, when SIOCSLAGGPORT returns an error.

When we exit with an error during lagg creation, a single
failed NIC (which no longer attaches) can prevent lagg
creation and other configuration, such as adding an IPv4
address, and thus leave a machine unreachable.

- Preserve non-EEXISTS errors for exit status from SIOCSLAGGPORT,
in case scripts are looking for it. Hopefully this can be
extended if other parts of ifconfig can allow a "soft" failure.

- Improve the warning message to mention what lagg and what
member are problematic.

Reviewed by: jtl, glebius
Sponsored by: Netflix
Differential Revision: https://reviews.freebsd.org/D15046
H A Difclone.cdiff 47528c67efac952d08840ed54f0b93682a6008a8 Tue Apr 17 14:54:58 CEST 2018 Andrew Gallatin <gallatin@FreeBSD.org> Make lagg creation more fault tolerant

- Warn, don't exit, when SIOCSLAGGPORT returns an error.

When we exit with an error during lagg creation, a single
failed NIC (which no longer attaches) can prevent lagg
creation and other configuration, such as adding an IPv4
address, and thus leave a machine unreachable.

- Preserve non-EEXISTS errors for exit status from SIOCSLAGGPORT,
in case scripts are looking for it. Hopefully this can be
extended if other parts of ifconfig can allow a "soft" failure.

- Improve the warning message to mention what lagg and what
member are problematic.

Reviewed by: jtl, glebius
Sponsored by: Netflix
Differential Revision: https://reviews.freebsd.org/D15046
H A Diflagg.cdiff 47528c67efac952d08840ed54f0b93682a6008a8 Tue Apr 17 14:54:58 CEST 2018 Andrew Gallatin <gallatin@FreeBSD.org> Make lagg creation more fault tolerant

- Warn, don't exit, when SIOCSLAGGPORT returns an error.

When we exit with an error during lagg creation, a single
failed NIC (which no longer attaches) can prevent lagg
creation and other configuration, such as adding an IPv4
address, and thus leave a machine unreachable.

- Preserve non-EEXISTS errors for exit status from SIOCSLAGGPORT,
in case scripts are looking for it. Hopefully this can be
extended if other parts of ifconfig can allow a "soft" failure.

- Improve the warning message to mention what lagg and what
member are problematic.

Reviewed by: jtl, glebius
Sponsored by: Netflix
Differential Revision: https://reviews.freebsd.org/D15046
H A Difconfig.cdiff 47528c67efac952d08840ed54f0b93682a6008a8 Tue Apr 17 14:54:58 CEST 2018 Andrew Gallatin <gallatin@FreeBSD.org> Make lagg creation more fault tolerant

- Warn, don't exit, when SIOCSLAGGPORT returns an error.

When we exit with an error during lagg creation, a single
failed NIC (which no longer attaches) can prevent lagg
creation and other configuration, such as adding an IPv4
address, and thus leave a machine unreachable.

- Preserve non-EEXISTS errors for exit status from SIOCSLAGGPORT,
in case scripts are looking for it. Hopefully this can be
extended if other parts of ifconfig can allow a "soft" failure.

- Improve the warning message to mention what lagg and what
member are problematic.

Reviewed by: jtl, glebius
Sponsored by: Netflix
Differential Revision: https://reviews.freebsd.org/D15046