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The systemd System and Service Manager
56,562 Commits 4 Branches 400 Tags 553 MiB
C 89.2%
Python 5.3%
Shell 4.1%
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David Bond e92a3d8fa3 udev: 60-persistent-storage-tape.rules: handle duplicate device ID 
Some SCSI tape devices use the same device ID (NAA registered device
designator) for the SCSI tape changer device and the first actual tape
device. For example, this one:

https://docs.oracle.com/en/storage/tape-storage/storagetek-sl150-modular-tape-library/slofs/bridged-tape-drives.html

   You must connect the bridged drive to an HBA supporting multiple
   LUNs (also referred to as LUN scanning). The SL150 Library uses a
   single SCSI ID and two logical unit numbers (LUN). LUN 0 controls
   the tape drive and LUN 1 which is configured as a SCSI medium
   changer device controls the robotics. Data is sent to the remaining
   LUN on the bridged drive or to LUNs on the other, unbridged drives
   in the partition, all of which are configured as SCSI
   sequential-access (tape) devices.

This may lead to errors because /dev/tape/by-id symlinks may sometimes
point to the st device representing the tape, and sometimes to the sg
device representing the changer.

Fix this by assigning an increased priority to the tape device, and creating
a separate -changer link for the SCSI tape changer.

Co-developed-by: Martin Wilck <mwilck@suse.com>
2022-03-08 23:12:10 +09:00
.clusterfuzzlite ci: merge seed corpora with public OSS-Fuzz corpora on CFLite 2022-01-30 10:17:25 +00:00
.github ci: make the concurrency group identifier unique once again 2022-03-07 19:42:14 +00:00
.lgtm/cpp-queries ci: pack-ify our custom CodeQL queries and enable them in Actions 2021-12-07 14:57:09 +01:00
.semaphore test: check systemd RPM macros 2022-03-06 13:07:20 +09:00
catalog meson: do not use split() in file lists 2022-03-02 14:49:32 +01:00
coccinelle coccinelle: automatically look for timestamp_is_set candidates 2022-02-22 22:47:12 +01:00
docs docs: add more links for portabled 2022-03-07 14:32:16 +01:00
factory factory/locale.conf: mention systemd ownership 2021-12-23 14:18:02 +00:00
hwdb.d Fix mic mute on Acer TravelMate B311-31 (#22677) 2022-03-08 23:10:51 +09:00
LICENSES network: license all config files as CC0 2022-01-12 16:05:59 +01:00
man portable: add return parameter to GetImageMetadataWithExtensions 2022-03-07 14:49:54 +00:00
mkosi.default.d mkosi: Add centos_epel config 2022-02-25 16:17:29 +00:00
modprobe.d meson: install the right README file in modprobe.d 2021-07-07 14:52:05 +02:00
network network: add example file that enables DHCP on ethernet links 2022-01-12 16:05:59 +01:00
po fix italian translations to display unit name 2022-02-03 23:05:58 +09:00
presets units: enable systemd-network-generator by default 2021-12-16 09:49:39 +01:00
rules.d udev: 60-persistent-storage-tape.rules: handle duplicate device ID 2022-03-08 23:12:10 +09:00
shell-completion bus-dump: change capture output to use pcapng (#21738) 2021-12-25 15:07:40 +09:00
src Merge pull request #22656 from keszybz/portablectl-method2 2022-03-08 13:26:33 +01:00
sysctl.d build: preserve correct mode when generating files via jinja2 2021-11-08 12:06:48 +00:00
sysusers.d sysusers: avoid creating spurious "nobody" group 2021-11-30 16:16:25 +01:00
test TEST-29: do not pass -q to mk/unsquashfs, not supported on CentOS 8 2022-03-08 18:02:09 +09:00
tmpfiles.d factory: populate /etc/locale.conf with systemd build-time setting 2021-12-23 11:01:12 +00:00
tools docs: swap Name and Partition Type UUID in header 2022-02-21 02:46:57 +01:00
units units: drop After=systemd-resolved.service from systemd-nspawn@.service 2022-02-24 10:37:11 +01:00
xorg xorg/50-systemd-user: add a full license header 2021-10-01 14:45:00 +02:00
.clang-format clang-format: we actually typically use 16ch continuation indentation 2022-02-22 17:32:50 +01:00
.ctags editors: Prevent ctags from following symlinks 2019-02-15 11:01:20 -08:00
.dir-locals.el scripts: use 4 space indentation 2019-04-12 08:30:31 +02:00
.editorconfig editorconfig: set maximum line length to 109 for man/*.xml files 2021-09-30 13:45:34 +02:00
.gitattributes gitattributes: introduce and use "generated" attribute 2021-10-18 09:42:55 +02:00
.gitignore gitignore: remove patterns for build files in source dir 2021-12-08 09:52:31 +01:00
.lgtm.yml ci: add a missing SPDX header 2021-12-07 14:15:04 +01:00
.mailmap mailmap: two more names 2021-03-30 13:17:58 +02:00
.packit.yml packit: drop unnumbered patches as well 2022-02-17 14:45:41 +00:00
.vimrc scripts: use 4 space indentation 2019-04-12 08:30:31 +02:00
.ycm_extra_conf.py ycm: add doc string for all the functions in configuration file 2017-11-29 13:21:49 -07:00
configure tools: shellcheck-ify tool scripts 2021-09-30 12:27:06 +02:00
LICENSE.GPL2 relicense to LGPLv2.1 (with exceptions) 2012-04-12 00:24:39 +02:00
LICENSE.LGPL2.1 licence: remove references to old FSF address 2012-12-17 11:41:31 +01:00
Makefile tree-wide: add spdx header on all scripts and helpers 2021-01-28 09:55:35 +01:00
meson_options.txt meson: allow skipping optional dependencies 2022-02-22 11:17:21 +00:00
meson.build tree-wide: fix typo 2022-03-07 15:32:22 +09:00
mkosi.build ci: check for failed services after boot 2021-12-10 10:25:43 +01:00
mkosi.postinst ci: check for failed services after boot 2021-12-10 10:25:43 +01:00
NEWS NEWS: note GetMetadataWithExtensions backward incompatible change 2022-03-07 14:49:54 +00:00
README meson: Drop required libfdisk version to 2.32 2022-02-24 20:06:55 +00:00
README.md Fix loading of graphs 2021-12-14 15:27:25 +09:00
TODO TODO 2022-02-16 13:30:20 +01:00

README.md

Systemd

System and Service Manager

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Details

Most documentation is available on systemd's web site.

Assorted, older, general information about systemd can be found in the systemd Wiki.

Information about build requirements is provided in the README file.

Consult our NEWS file for information about what's new in the most recent systemd versions.

Please see the Code Map for information about this repository's layout and content.

Please see the Hacking guide for information on how to hack on systemd and test your modifications.

Please see our Contribution Guidelines for more information about filing GitHub Issues and posting GitHub Pull Requests.

When preparing patches for systemd, please follow our Coding Style Guidelines.

If you are looking for support, please contact our mailing list or join our IRC channel.

Stable branches with backported patches are available in the stable repo.