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* Verify zfs module loaded before starting servicesJonathon2020-08-013-3/+3
| | | | | | | | | | | | | | | This is a minor change to the systemd service templates that verifies the zfs kernel module is loaded by the kernel prior to attempting to import any zpool. The services check for the presence of /sys/module/zfs which indicates the zfs is module is loaded. This uses the systemd built-in check ConditionPathIsDirectory. Reviewed-by: Richard Laager <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Reviewed-by: Matthew Thode <[email protected]> Signed-off-by: Jonathon Fernyhough <[email protected]> Closes #10663
* Verify zfs module loaded before starting servicesJonathon2020-07-293-0/+3
| | | | | | | | | This is a minor change to the systemd service templates that verifies the zfs kernel module is loaded by the kernel prior to attempting to import any zpool. Reviewed-by: Richard Laager <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Jonathon Fernyhough <[email protected]> Closes #10627
* Make unloading the key more robustJean-Baptiste Lallement2020-07-191-1/+7
| | | | | | | | | | | | | | The unit was failing instead of stopping if someone manually unloaded the key before stopping the unit (zfs unload-key is failing on an unavailable key). Follow a similar logic than for loading the key, checking for the key status before unloading it. Reviewed-by: Brian Behlendorf <[email protected]> Reviewed-by: Richard Laager <[email protected]> Co-authored-by: Didier Roche <[email protected]> Signed-off-by: Didier Roche <[email protected]> Closes #10477
* BindsTo dataset keyload unit to mount associate unitJean-Baptiste Lallement2020-07-191-1/+4
| | | | | | | | | | | | | | | | | | | We need a stronger dependency between the mount unit and its keyload unit when we know that the dataset is encrypted. If the keyload unit fails, Wants= will still try to mount the dataset, which will then fail. It’s better to show that the failure is due to a dependency failing, the keyload unit, by tighting up the dependency. We can do this as we know that we generate both units in the generator and so, it’s not an optional dependency. BindsTo enable as well that if the keyload unit fails at any point, the associated mountpoint will be then unmounted. Reviewed-by: Richard Laager <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Co-authored-by: Didier Roche <[email protected]> Signed-off-by: Didier Roche <[email protected]> Closes #10477
* Ensure mount unit pilots when its ZFS key is loadedJean-Baptiste Lallement2020-07-191-1/+0
| | | | | | | | | | | | | | | | Drop Before=zfs.mount dependency explicity on generated key-load .service unit. Indeed, the associated mount unit is After=<dataset-key-load>.service. This is thus the mount point which controls at what point it wants to be mounted (Before=zfs-mount.service in stock generator), but this can be an automount point, or triggered by another service. This additional dependency from the key load service is not needed thus. Reviewed-by: Richard Laager <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Co-authored-by: Didier Roche <[email protected]> Signed-off-by: Didier Roche <[email protected]> Closes #10477
* Centralize variable substitutionArvind Sankar2020-07-1411-104/+24
| | | | | | | | | | | | A bunch of places need to edit files to incorporate the configured paths i.e. bindir, sbindir etc. Move this logic into a common file. Create arc_summary by copying arc_summary[23] as appropriate at build time instead of install time. Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Arvind Sankar <[email protected]> Closes #10559
* Remove dependency on sharetab file and refactor sharing logicGeorge Wilson2020-07-131-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | == Motivation and Context The current implementation of 'sharenfs' and 'sharesmb' relies on the use of the sharetab file. The use of this file is os-specific and not required by linux or freebsd. Currently the code must maintain updates to this file which adds complexity and presents a significant performance impact when sharing many datasets. In addition, concurrently running 'zfs sharenfs' command results in missing entries in the sharetab file leading to unexpected failures. == Description This change removes the sharetab logic from the linux and freebsd implementation of 'sharenfs' and 'sharesmb'. It still preserves an os-specific library which contains the logic required for sharing NFS or SMB. The following entry points exist in the vastly simplified libshare library: - sa_enable_share -- shares a dataset but may not commit the change - sa_disable_share -- unshares a dataset but may not commit the change - sa_is_shared -- determine if a dataset is shared - sa_commit_share -- notify NFS/SMB subsystem to commit the shares - sa_validate_shareopts -- determine if sharing options are valid The sa_commit_share entry point is provided as a performance enhancement and is not required. The sa_enable_share/sa_disable_share may commit the share as part of the implementation. Libshare provides a framework for both NFS and SMB but some operating systems may not fully support these protocols or all features of the protocol. NFS Operation: For linux, libshare updates /etc/exports.d/zfs.exports to add and remove shares and then commits the changes by invoking 'exportfs -r'. This file, is automatically read by the kernel NFS implementation which makes for better integration with the NFS systemd service. For FreeBSD, libshare updates /etc/zfs/exports to add and remove shares and then commits the changes by sending a SIGHUP to mountd. SMB Operation: For linux, libshare adds and removes files in /var/lib/samba/usershares by calling the 'net' command directly. There is no need to commit the changes. FreeBSD does not support SMB. == Performance Results To test sharing performance we created a pool with an increasing number of datasets and invoked various zfs actions that would enable and disable sharing. The performance testing was limited to NFS sharing. The following tests were performed on an 8 vCPU system with 128GB and a pool comprised of 4 50GB SSDs: Scale testing: - Share all filesystems in parallel -- zfs sharenfs=on <dataset> & - Unshare all filesystems in parallel -- zfs sharenfs=off <dataset> & Functional testing: - share each filesystem serially -- zfs share -a - unshare each filesystem serially -- zfs unshare -a - reset sharenfs property and unshare -- zfs inherit -r sharenfs <pool> For 'zfs sharenfs=on' scale testing we saw an average reduction in time of 89.43% and for 'zfs sharenfs=off' we saw an average reduction in time of 83.36%. Functional testing also shows a huge improvement: - zfs share -- 97.97% reduction in time - zfs unshare -- 96.47% reduction in time - zfs inhert -r sharenfs -- 99.01% reduction in time Reviewed-by: Matt Ahrens <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Reviewed-by: Ryan Moeller <[email protected]> Reviewed-by: Bryant G. Ly <[email protected]> Signed-off-by: George Wilson <[email protected]> External-Issue: DLPX-68690 Closes #1603 Closes #7692 Closes #7943 Closes #10300
* Fixes for make distArvind Sankar2020-06-265-27/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Reduce the usage of EXTRA_DIST. If files are conditionally included in _SOURCES, _HEADERS etc, automake is smart enough to dist all files that could possibly be included, but this does not apply to EXTRA_DIST, resulting in make dist depending on the configuration. Add some files that were missing altogether in various Makefile's. The changes to disted files in this commit (excluding deleted files): +./cmd/zed/agents/README.md +./etc/init.d/README.md +./lib/libspl/os/freebsd/getexecname.c +./lib/libspl/os/freebsd/gethostid.c +./lib/libspl/os/freebsd/getmntany.c +./lib/libspl/os/freebsd/mnttab.c -./lib/libzfs/libzfs_core.pc -./lib/libzfs/libzfs.pc +./lib/libzfs/os/freebsd/libzfs_compat.c +./lib/libzfs/os/freebsd/libzfs_fsshare.c +./lib/libzfs/os/freebsd/libzfs_ioctl_compat.c +./lib/libzfs/os/freebsd/libzfs_zmount.c +./lib/libzutil/os/freebsd/zutil_compat.c +./lib/libzutil/os/freebsd/zutil_device_path_os.c +./lib/libzutil/os/freebsd/zutil_import_os.c +./module/lua/README.zfs +./module/os/linux/spl/README.md +./tests/README.md +./tests/zfs-tests/tests/functional/cli_root/zfs_clone/zfs_clone_rm_nested.ksh +./tests/zfs-tests/tests/functional/cli_root/zfs_send/zfs_send_encrypted_unloaded.ksh +./tests/zfs-tests/tests/functional/inheritance/README.config +./tests/zfs-tests/tests/functional/inheritance/README.state +./tests/zfs-tests/tests/functional/rsend/rsend_016_neg.ksh +./tests/zfs-tests/tests/perf/fio/sequential_readwrite.fio Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Arvind Sankar <[email protected]> Closes #10501
* Drop unnecessary srcdir pathsArvind Sankar2020-06-246-18/+18
| | | | | | | | | | There's no need to specify the srcdir explicitly in _HEADERS and EXTRA_DIST. Reviewed-by: Ryan Moeller <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Arvind Sankar <[email protected]> Closes #10493
* Update zfs-functions.inallen-42020-05-291-2/+4
| | | | | | | | | | | | | | | | The init.d zfs-share script does not perform the intended action without having a variable set for ZFS_SHARE and ZFS_UNSHARE Assign default values to ZFS_SHARE and ZFS_UNSHARE. Export the environment variables after sourcing the configuration file. Reviewed-by: Richard Yao <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Reviewed-by: Georgy Yakovlev <[email protected]> Signed-off-by: Allen Holl <[email protected]> Closes #10341 Closes #10382
* etc/zfs/Makefile.am: set initconfdirGeorgy Yakovlev2020-05-271-0/+1
| | | | | | | | | | The initconfdir variable is not defined in etc/zfs/Makefile, so the sed code does not perform the correct replacement. Reviewed-by: Richard Yao <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Georgy Yakovlev <[email protected]> Issue #10375 Closes #10376
* Add FreeBSD support to OpenZFSMatthew Macy2020-04-141-1/+4
| | | | | | | | | | | | | | | | | | Add the FreeBSD platform code to the OpenZFS repository. As of this commit the source can be compiled and tested on FreeBSD 11 and 12. Subsequent commits are now required to compile on FreeBSD and Linux. Additionally, they must pass the ZFS Test Suite on FreeBSD which is being run by the CI. As of this commit 1230 tests pass on FreeBSD and there are no unexpected failures. Reviewed-by: Sean Eric Fagan <[email protected]> Reviewed-by: Jorgen Lundman <[email protected]> Reviewed-by: Richard Laager <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Co-authored-by: Ryan Moeller <[email protected]> Signed-off-by: Matt Macy <[email protected]> Signed-off-by: Ryan Moeller <[email protected]> Closes #898 Closes #8987
* Fix zfs-functions packaging bugRichard Laager2020-03-1010-16/+47
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This fixes a bug where the generated zfs-functions was being included along with original zfs-functions.in in the make dist tarball. This caused an unfortunate series of events during build/packaging that resulted in the RPM-installed /etc/zfs/zfs-functions listing the paths as: ZFS="/usr/local/sbin/zfs" ZED="/usr/local/sbin/zed" ZPOOL="/usr/local/sbin/zpool" When they should have been: ZFS="/sbin/zfs" ZED="/sbin/zed" ZPOOL="/sbin/zpool" This affects init.d (non-systemd) distros like CentOS 6. /etc/default/zfs and /etc/zfs/zfs-functions are also used by the initramfs, so they need to be built even when init.d support is not. They have been moved to the (new) etc/default and (existing) etc/zfs source directories, respectively. Fixes: #9443 Co-authored-by: Tony Hutter <[email protected]> Signed-off-by: Richard Laager <[email protected]>
* Delete built init scripts in make cleanRichard Laager2020-03-101-3/+1
| | | | | | | | Previously, they were being deleted in make distclean. This brings it in line with the example: https://www.gnu.org/software/automake/manual/html_node/Scripts.html Signed-off-by: Richard Laager <[email protected]>
* Make init scripts depend on MakefileRichard Laager2020-03-101-1/+1
| | | | | | | | | This brings it in line with the example: https://www.gnu.org/software/automake/manual/html_node/Scripts.html This way, if the substitution code is changed, they should update. Signed-off-by: Richard Laager <[email protected]>
* Systemd mount generator: don't fail keyload from file if already loadedInsanePrawn2020-03-091-7/+11
| | | | | | | | | | | | | Previously the generated keyload units for encryption roots with keylocation=file://* didn't contain the code to detect if the key was already loaded and would be marked failed in such situations. Move the code to check whether the key is already loaded from keylocation=prompt handling to general key loading code. Reviewed-by: Richard Laager <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: InsanePrawn <[email protected]> Closes #10103
* Systemd mount generator: Generate noauto units; add control propertiesInsanePrawn2020-02-141-26/+191
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This commit refactors the systemd mount generators and makes the following major changes: - The generator now generates units for datasets marked canmount=noauto, too. These units are NOT WantedBy local-fs.target. If there are multiple noauto datasets for a path, no noauto unit will be created. Datasets with canmount=on are prioritized. - Introduces handling of new user properties which are now included in the zfs-list.cache files: - org.openzfs.systemd:requires: List of units to require for this mount unit - org.openzfs.systemd:requires-mounts-for: List of mounts to require by this mount unit - org.openzfs.systemd:before: List of units to order after this mount unit - org.openzfs.systemd:after: List of units to order before this mount unit - org.openzfs.systemd:wanted-by: List of units to add a Wants dependency on this mount unit to - org.openzfs.systemd:required-by: List of units to add a Requires dependency on this mount unit to - org.openzfs.systemd:nofail: Toggles between a wants and a requires dependency. - org.openzfs.systemd:ignore: Do not generate a mount unit for this dataset. Consult the updated man page for detailed documentation. - Restructures and extends the zfs-mount-generator(8) man page with the above properties, information on unit ordering and a license header. Reviewed-by: Richard Laager <[email protected]> Reviewed-by: Antonio Russo <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: InsanePrawn <[email protected]> Closes #9649
* Systemd mount generator: Silence shellcheck warningsInsanePrawn2020-02-141-11/+14
| | | | | | | | | | | | Silences a warning about an intentionally unquoted variable. Fixes a warning caused by strings split across lines by slightly refactoring keyloadcmd. Reviewed-by: Richard Laager <[email protected]> Reviewed-by: Antonio Russo <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: InsanePrawn <[email protected]> Closes #9649
* zfs-mount-generator: Fix escaping for /Richard Laager2020-02-131-1/+1
| | | | | | | | | The correct name for the mount unit for / is "-.mount", not ".mount". Reviewed-by: InsanePrawn <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Co-authored-by: Antonio Russo <[email protected]> Signed-off-by: Richard Laager <[email protected]> Closes #9970
* Suggest using visudo to editGerardwx2020-02-051-0/+1
| | | | | | | Suggest visudo which allows editing the sudoers file in a safe fashion. Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Gerardwx <[email protected]> Closes #9918
* Order zfs-import-*.service after multipathdRichard Laager2020-01-222-0/+2
| | | | | | | | | | | If someone is using both multipathd and ZFS, they are probably using them together. Ordering the zpool imports after multipathd is ready fixes import issues for multipath configurations. Tested-by: Mike Pastore <[email protected]> Reviewed-by: George Melikov <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Richard Laager <[email protected]> Closes #9863
* Avoid here-documents in systemd mount generatorlorenz2020-01-071-8/+14
| | | | | | | | | | | | | | | On some systems - openSUSE, for example - there is not yet a writeable temporary file system available, so bash bails out with an error, 'cannot create temp file for here-document: Read-only file system', on the here documents in zfs-mount-generator. The simple fix is to change these into a multi-line echo statement. Reviewed-by: Brian Behlendorf <[email protected]> Reviewed-By: Richard Laager <[email protected]> Reviewed-by: George Melikov <[email protected]> Signed-off-by: Lorenz Hüdepohl <[email protected]> Closes #9802
* Fix encryption logic in systemd mount generatorInsanePrawn2019-11-271-50/+57
| | | | | | | | | | | | Previously the generator would skip a dataset if it wasn't mountable by 'zfs mount -a' (legacy/none mountpoint, canmount off/noauto). This also skipped the generation of key-load units for such datasets, breaking the dependency handling for mountable child datasets. Reviewed-by: Antonio Russo <[email protected]> Reviewed-by: Richard Laager <[email protected]> Signed-off-by: InsanePrawn <[email protected]> Closes #9611
* Fix non-absolute path in systemd mount generatorInsanePrawn2019-11-271-1/+1
| | | | | | | | | | Systemd will ignore units that try to execute programs from non-absolute paths. Use hardcoded /bin/sh instead. Reviewed-by: Antonio Russo <[email protected]> Reviewed-by: Richard Laager <[email protected]> Signed-off-by: InsanePrawn <[email protected]> Closes #9611
* Fix small typo in systemd mount generatorInsanePrawn2019-11-271-1/+1
| | | | | | | Reviewed-by: Antonio Russo <[email protected]> Reviewed-by: Richard Laager <[email protected]> Signed-off-by: InsanePrawn <[email protected]> Closes #9611
* Skip loading already loaded keyWitaut Bajaryn2019-11-081-0/+2
| | | | | | | | | | | | | | | Don't ask for the password / try to load the key if the key for the encryptionroot is already loaded. The user might have loaded the key manually or by other means before the scripts get called. Reviewed-by: Brian Behlendorf <[email protected]> Reviewed-by: Tom Caputi <[email protected]> Reviewed-by: Richard Laager <[email protected]> Signed-off-by: Witaut Bajaryn <[email protected]> Closes #9495 Closes #9529
* Add a notice in /etc/defaults/zfs for systemd usersM. Zhou2019-11-061-0/+6
| | | | | | | | | Some systemd users may want to change configurations in /etc/defaults/zfs, but these settings won't affect systemd services. Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Mo Zhou <[email protected]> Closes #9544
* Workaround to avoid a race when /var/lib is a persistent datasetDidier Roche2019-10-021-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If /var/lib is a dataset not under <pool>/ROOT/<root_dataset>, as proposed in the ubuntu root on zfs upstream guide (https://github.com/zfsonlinux/zfs/wiki/Ubuntu-18.04-Root-on-ZFS), we end up with a race where some services, like systemd-random-seed are writing under /var/lib, while zfs-mount is called. zfs mount will then potentially fail because of /var/lib isn't empty and so, can't be mounted. Order those 2 units for now (more may be needed) as we can't declare virtually a provide mount point to match "RequiresMountsFor=/var/lib/systemd/random-seed" from systemd-random-seed.service. The optional generator for zfs 0.8 fixes it, but it's not enabled by default nor necessarily required. Example: - rpool/ROOT/ubuntu (mountpoint = /) - rpool/var/ (mountpoint = /var) - rpool/var/lib (mountpoint = /var/lib) Both zfs-mount.service and systemd-random-seed.service are starting After=systemd-remount-fs.service. zfs-mount.service should be done before local-fs.target while systemd-random-seed.service should finish before sysinit.target (which is a later target). Ideally, we would have a way for zfs mount -a unit to declare all paths or move systemd-random-seed after local-fs.target. Reviewed-by: Antonio Russo <[email protected]> Reviewed-by: Richard Laager <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Didier Roche <[email protected]> Closes #9360
* Fix typos in etc/Andrea Gelmini2019-08-303-5/+5
| | | | | | | Reviewed-by: Ryan Moeller <[email protected]> Reviewed-by: Richard Laager <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Andrea Gelmini <[email protected]> Closes #9236
* etc/init.d/zfs-functions.in: remove arch warningGeorgy Yakovlev2019-08-291-7/+0
| | | | | | | | Remove the x86_64 warning, it's no longer the case that this is the only supported architecture. Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Georgy Yakovlev <[email protected]> Closes: #9177
* Restore :: in Makefile.amRyan Moeller2019-08-264-0/+4
| | | | | | | | | | | | The double-colon looked like a typo, but it's actually an obscure feature. Rules with :: may appear multiple times and are run independently of one another in the order they appear. The use of :: for distclean-local was conventional, not accidental. Add comments to indicate the intentional use of double-colon rules. Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Ryan Moeller <[email protected]> Closes #9210
* Fix install error introduced by #9089 (#9205)Brian Behlendorf2019-08-221-1/+1
|\ | | | | Signed-off-by: Paul Dagnelie <[email protected]>
| * Fix install error introduced by #9089Paul Dagnelie2019-08-221-1/+1
| | | | | | | | Signed-off-by: Paul Dagnelie <[email protected]>
* | zfs-mount-genrator: dependencies should be space-separatedyshui2019-08-221-1/+1
|/ | | | | | Reviewed-by: Antonio Russo <[email protected]> Reviewed-by: Richard Laager <[email protected]> Signed-off-by: Yuxuan Shui <[email protected]> Closes #9174
* Document ZFS_DKMS_ENABLE_DEBUGINFO in userland configurationMauricio Faria de Oliveira2019-08-221-0/+4
| | | | | | | | | | | | Document the ZFS_DKMS_ENABLE_DEBUGINFO option in the userland configuration file, as done with the other ZFS_DKMS_* options. It has been introduced with commit e45c1734a665 ("dkms: Enable debuginfo option to be set with zfs sysconfig file") but isn't mentioned anywhere other than the 'dkms.conf' file (generated). Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Mauricio Faria de Oliveira <[email protected]> Closes #9191
* zfs-functions.in: in_mtab() always returns 1Alexey Smirnoff2019-08-201-2/+5
| | | | | | | | | | | $fs used with the wrong sed command where should be $mntpnt instead to match a variable exported by read_mtab() The fix is mostly to reuse the sed command found in read_mtab() Reviewed-by: Brian Behlendorf <[email protected]> Reviewed-by: Michael Niewöhner <[email protected]> Signed-off-by: Alexey Smirnoff <[email protected]> Closes #9168
* initramfs: fixes for (debian) initramfsMichael Niewöhner2019-08-161-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * contrib/initramfs: include /etc/default/zfs and /etc/zfs/zfs-functions At least debian needs /etc/default/zfs and /etc/zfs/zfs-functions for its initramfs. Include both in build when initramfs is configured. * contrib/initramfs: include 60-zvol.rules and zvol_id Include 60-zvol.rules and zvol_id and set udev as predependency instead of debians zdev. This makes debians additional zdev hook unneeded. * Correct initconfdir substitution for some distros Not every Linux distro is using @sysconfdir@/default but @initconfdir@ which is already determined by configure. Let's use it. * systemd: prevent possible conflict between systemd and sysvinit Systemd will not load a sysvinit service if a unit exists with the same name. This prevents conflicts between sysvinit and systemd. In ZFS there is one sysvinit service that does not have a systemd service but a target counterpart, zfs-import.target. Usually it does not make any sense to install both but it is possisble. Let's prevent any conflict by masking zfs-import.service by default. This does not harm even if init.d/zfs-import does not exist. Reviewed-by: Chris Wedgwood <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Tested-by: Alex Ingram <[email protected]> Tested-by: Dreamcat4 <[email protected]> Signed-off-by: Michael Niewöhner <[email protected]> Closes #7904 Closes #9089
* Race between zfs-share and zfs-mount servicesGeorge Wilson2019-07-281-0/+1
| | | | | | | | | | | | | | | | | | When a system boots the zfs-mount.service and the zfs-share.service can start simultaneously. What may be unclear is that sharing a filesystem will first mount the filesystem if it's not already mounted. This means that both service can race to mount the same fileystem. This race can result in a SEGFAULT or EBUSY conditions. This change explicitly defines the start ordering between the two services such that the zfs-mount.service is solely responsible for mounting filesystems eliminating the race between "zfs mount -a" and "zfs share -a" commands. Reviewed-by: Sebastien Roy <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: George Wilson <[email protected]> Closes #9083
* New service that waits on zvol links to be createdPavel Zakharov2019-07-174-0/+25
| | | | | | | | | | | | | | | | The zfs-volume-wait.service scans existing zvols and waits for their links under /dev to be created. Any service that depends on zvol links to be there should add a dependency on zfs-volumes.target. By default, this target is not enabled. Reviewed-by: Fabian Grünbichler <[email protected]> Reviewed-by: Antonio Russo <[email protected]> Reviewed-by: Richard Laager <[email protected]> Reviewed-by: loli10K <[email protected]> Reviewed-by: John Gallagher <[email protected]> Reviewed-by: George Wilson <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Pavel Zakharov <[email protected]> Closes #8975
* systemd encryption key supportAntonio Russo2019-07-151-2/+52
| | | | | | | | | | | | | | | | | | | | | | Modify zfs-mount-generator to produce a dependency on new zfs-import-key-*.service units, dynamically created at boot to call zfs load-key for the encryption root, before attempting to mount any encrypted datasets. These units are created by zfs-mount-generator, and RequiresMountsFor on the keyfile, if present, or call systemd-ask-password if a passphrase is requested. This patch includes suggestions from @Fabian-Gruenbichler, @ryanjaeb and @rlaager, as well an adaptation of @rlaager's script to retry on incorrect password entry. Reviewed-by: Richard Laager <[email protected]> Reviewed-by: Fabian Grünbichler <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Antonio Russo <[email protected]> Closes #8750 Closes #8848
* Fix zfs-mount-generator for datasets with spacesAntonio Russo2019-05-071-6/+11
| | | | | | | | | | | | | | | | Alternative implementation of @rlaager's original modification of zfs-mount-generator fix, with @chrisrd's comments. Set IFS to be only the tab character, matching our `-H` call in `zfs list`, allowing spaces to appear in dataset names (and mountpoints). Also adds comments explaining our rationale. Reviewed-by: Chris Dunlop <[email protected]> Reviewed-by: Richard Laager <[email protected]> Reviewed-by: George Melikov <[email protected]> Signed-off-by: Antonio Russo <[email protected]> Closes #8708 Closes #8718
* Move dracut specifics to dracut moduleMichael Niewöhner2019-04-022-2/+0
| | | | | | | | | | | | Dracut depends on the environment variable BOOTFS to be set after pool import. This dracut specific systemd ExecStartPost command should not be called for any non-dracut systems, so let's move it to a static systemd unit that. Reviewed-by: Manuel Amador (Rudd-O) <[email protected]> Reviewed-by: Matthew Thode <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Michael Niewöhner <[email protected]> Closes #8510
* Fix systemd-import servicesMichael Niewöhner2019-03-292-2/+2
| | | | | | | | | | | | | | | | On debian, systemd complains about missing /bin/awk because it actually is located at /usr/bin/awk. It is not a good idea to hardcode binary paths because different linux distros use different paths. According to systemd's man page it is absolutely safe to miss paths for binaries located at standard locations (/bin, /sbin, /usr/bin, ...). Further, replace this more or less complicated awk command by grep. Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Michael Niewöhner <[email protected]> Issue #8510
* Remove hard dependency on bashMichael Niewöhner2019-03-292-2/+2
| | | | | | | | | | zfs-import-* services have a hard dependency on bash while not everyone has bash installed. At this point /bin/sh is sufficient, so use that. Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Michael Niewöhner <[email protected]> Issue #8510
* zfs-import: should be before swapHenrik Riomar2019-03-141-0/+1
| | | | | | | | zfs-import must be done before swap in order for swap on zvol to work Reviewed-by: Kash Pande <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Henrik Riomar <[email protected]> Closes #8502
* Remove zfs-zed hard dep from zfs-share init scriptberen122019-02-281-2/+2
| | | | | | Reviewed-by: Brian Behlendorf <[email protected]> Reviewed-by: bunder2015 <[email protected]> Signed-off-by: Chris Zubrzycki <[email protected]> Closes #8447
* ZFS mounted NFSv3 shares fail lock reclaimsDon Brady2019-02-151-0/+1
| | | | | | | | | | ZFS NFS shares mounted on a client with NFSv3 and with open locks will fail to reclaim those locks after a server reboot. Reviewed-by: Brian Behlendorf <[email protected]> Reviewed-by: George Wilson <[email protected]> Reviewed-by: George Melikov <[email protected]> Signed-off-by: Don Brady <[email protected]> Closes #8398
* Add enclosure_symlinks option to vdev_idTony Hutter2018-12-141-0/+3
| | | | | | | | | | | | | | | | Add an 'enclosure_symlinks' option to vdev_id.conf. This creates consistently named symlinks to the enclosure devices (/dev/sg*) based off the configuration in vdev_id.conf. The enclosure symlinks show up in /dev/by-enclosure/<prefix>-<channel><num>. The links make it make it easy to run sg_ses on a particular enclosure device. The enclosure links are created in addition to the normal /dev/disk/by-vdev links. 'enclosure_symlinks' is only valid in sas_direct configurations. Reviewed-by: Brian Behlendorf <[email protected]> Reviewed-by: Simon Guest <[email protected]> Signed-off-by: Tony Hutter <[email protected]> Closes #8194
* zfs-functions.in: is_mounted() always returns 1TerraTech2018-12-041-2/+7
| | | | | | | | | | | | | | The 'while read line; ...; done' loop is run in a piped subshell therefore the 'return 0' would not cause a return from the is_mounted() function. In all cases, this function will always return 1. The fix is to 'return 1' from the subshell on a successful match (no match == return 0), and then negating the final return value. Reviewed-by: George Melikov <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: TerraTech <[email protected]> Closes #8151
* Minor documentation, logging, and testing typosAntonio Russo2018-06-071-9/+9
| | | | | | | | | This patch collects some minor inconsistencies and typos in the documentation, logging and testing infrastructure. Reviewed-by: George Melikov <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Antonio Russo <[email protected]> Closes #7608
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