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* OpenZFS 7431 - ZFS Channel ProgramsChris Williamson2018-02-081-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | Authored by: Chris Williamson <[email protected]> Reviewed by: Matthew Ahrens <[email protected]> Reviewed by: George Wilson <[email protected]> Reviewed by: John Kennedy <[email protected]> Reviewed by: Dan Kimmel <[email protected]> Approved by: Garrett D'Amore <[email protected]> Ported-by: Don Brady <[email protected]> Ported-by: John Kennedy <[email protected]> OpenZFS-issue: https://www.illumos.org/issues/7431 OpenZFS-commit: https://github.com/openzfs/openzfs/commit/dfc11533 Porting Notes: * The CLI long option arguments for '-t' and '-m' don't parse on linux * Switched from kmem_alloc to vmem_alloc in zcp_lua_alloc * Lua implementation is built as its own module (zlua.ko) * Lua headers consumed directly by zfs code moved to 'include/sys/lua/' * There is no native setjmp/longjump available in stock Linux kernel. Brought over implementations from illumos and FreeBSD * The get_temporary_prop() was adapted due to VFS platform differences * Use of inline functions in lua parser to reduce stack usage per C call * Skip some ZFS Test Suite ZCP tests on sparc64 to avoid stack overflow
* remove pools without a bootfs from BOOTFS variableMatthew Thode2018-01-302-2/+2
| | | | | | | | Use the same method used in zfs-load-key. Reviewed-by: Brian Behlendorf <[email protected]> Reviewed-by: Llewelyn Trahaearn <[email protected]> Signed-off-by: Matthew Thode <[email protected]> Closes #7089
* Run zfs load-key if needed in dracutMatthew Thode2018-01-182-0/+2
| | | | | | | | | | | | | | | | 'zfs load-key -a' will only be called if needed. If a dataset not needed for boot does not have its key loaded (home directories for example) boot can still continue. zfs:AUTO was not working via dracut, so we still need the generator script to do its thing. Reviewed-by: Richard Yao <[email protected]> Reviewed-by: Manuel Amador (Rudd-O) <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Reviewed-by: loli10K <[email protected]> Signed-off-by: Matthew Thode <[email protected]> Closes #6982 Closes #7004
* Cleanup systemd dependenciesAntonio Russo2017-11-087-7/+4
| | | | | | | | | | Some redundancy is present in the systemd dependencies, as noticed in PR#6764. Existing setups might rely on these quirks, so these cleanups have been moved to the development branch. Reviewed-by: Brian Behlendorf <[email protected]> Reviewed-by: George Melikov <[email protected]> Signed-off-by: Antonio Russo <[email protected]> Closes #6822
* systemd zfs-import.target and documentationAntonio Russo2017-10-305-6/+13
| | | | | | | | | | | | | | | | | zfs-import-{cache,scan}.service must complete before any mounting of filesystems can occur. To simplify this dependency, create a target that is reached After (in the systemd sense) the pool is imported. Additionally, recommend that legacy zfs mounts use the option x-systemd.requires=zfs-import.target to codify this requirement. Reviewed-by: Fabian Grünbichler <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Reviewed-by: Giuseppe Di Natale <[email protected]> Signed-off-by: Antonio Russo <[email protected]> Closes #6764
* vdev_id: extension for new scsi topologySimon Guest2017-09-272-1/+11
| | | | | | | | | | On systems with SCSI rather than SAS disk topology, this change enables the vdev_id script to match against the block device path, and therefore create a vdev alias in /dev/disk/by-vdev. Reviewed-by: Tony Hutter <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Simon Guest <[email protected]> Closes #6592
* Add man page reference to systemd unitsFabian-Gruenbichler2017-09-054-0/+4
| | | | | | | Reviewed-by: George Melikov <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Reviewed-by: Giuseppe Di Natale <[email protected]> Signed-off-by: Fabian Grünbichler <[email protected]> Closes #6599
* Disable mount(8) canonical paths in do_mount()LOLi2017-08-211-1/+0
| | | | | | | | | | | | | | | By default the mount(8) command, as invoked by 'zfs mount', will try to resolve any path parameter in its canonical form: this could lead to mount failures when the cwd contains a symlink having the same name of the dataset being mounted. Fix this by explicitly disabling mount(8) path canonicalization. Reviewed-by: George Melikov <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: loli10K <[email protected]> Closes #1791 Closes #6429 Closes #6437
* Use /sbin/openrc-run for openrc init scriptsBtbN2017-08-161-1/+1
| | | | | | | | Using /sbin/runscript is deprecated and throws a QA warning when still used in init scripts. Reviewed-by: bunder2015 <[email protected]> Signed-off-by: BtbN <[email protected]> Closes #6519
* zpool iostat/status -c improvementsGiuseppe Di Natale2017-06-053-2/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Users can now provide their own scripts to be run with 'zpool iostat/status -c'. User scripts should be placed in ~/.zpool.d to be included in zpool's default search path. Provide a script which can be used with 'zpool iostat|status -c' that will return the type of device (hdd, sdd, file). Provide a script to get various values from smartctl when using 'zpool iostat/status -c'. Allow users to define the ZPOOL_SCRIPTS_PATH environment variable which can be used to override the default 'zpool iostat/status -c' search path. Allow the ZPOOL_SCRIPTS_ENABLED environment variable to enable or disable 'zpool status/iostat -c' functionality. Use the new smart script to provide the serial command. Install /etc/sudoers.d/zfs file which contains the sudoer rule for smartctl as a sample. Allow 'zpool iostat/status -c' tests to run in tree. Reviewed-by: Tony Hutter <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Giuseppe Di Natale <[email protected]> Closes #6121 Closes #6153
* OpenZFS 7793 - ztest fails assertion in dmu_tx_willuse_spaceBrian Behlendorf2017-03-071-4/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Reviewed by: Steve Gonczi <[email protected]> Reviewed by: George Wilson <[email protected]> Reviewed by: Pavel Zakharov <[email protected]> Ported-by: Brian Behlendorf <[email protected]> Background information: This assertion about tx_space_* verifies that we are not dirtying more stuff than we thought we would. We “need” to know how much we will dirty so that we can check if we should fail this transaction with ENOSPC/EDQUOT, in dmu_tx_assign(). While the transaction is open (i.e. between dmu_tx_assign() and dmu_tx_commit() — typically less than a millisecond), we call dbuf_dirty() on the exact blocks that will be modified. Once this happens, the temporary accounting in tx_space_* is unnecessary, because we know exactly what blocks are newly dirtied; we call dnode_willuse_space() to track this more exact accounting. The fundamental problem causing this bug is that dmu_tx_hold_*() relies on the current state in the DMU (e.g. dn_nlevels) to predict how much will be dirtied by this transaction, but this state can change before we actually perform the transaction (i.e. call dbuf_dirty()). This bug will be fixed by removing the assertion that the tx_space_* accounting is perfectly accurate (i.e. we never dirty more than was predicted by dmu_tx_hold_*()). By removing the requirement that this accounting be perfectly accurate, we can also vastly simplify it, e.g. removing most of the logic in dmu_tx_count_*(). The new tx space accounting will be very approximate, and may be more or less than what is actually dirtied. It will still be used to determine if this transaction will put us over quota. Transactions that are marked by dmu_tx_mark_netfree() will be excepted from this check. We won’t make an attempt to determine how much space will be freed by the transaction — this was rarely accurate enough to determine if a transaction should be permitted when we are over quota, which is why dmu_tx_mark_netfree() was introduced in 2014. We also won’t attempt to give “credit” when overwriting existing blocks, if those blocks may be freed. This allows us to remove the do_free_accounting logic in dbuf_dirty(), and associated routines. This logic attempted to predict what will be on disk when this txg syncs, to know if the overwritten block will be freed (i.e. exists, and has no snapshots). OpenZFS-issue: https://www.illumos.org/issues/7793 OpenZFS-commit: https://github.com/openzfs/openzfs/commit/3704e0a Upstream bugs: DLPX-32883a Closes #5804 Porting notes: - DNODE_SIZE replaced with DNODE_MIN_SIZE in dmu_tx_count_dnode(), Using the default dnode size would be slightly better. - DEBUG_DMU_TX wrappers and configure option removed. - Resolved _by_dnode() conflicts these changes have not yet been applied to OpenZFS.
* Fix zfs-mount.service failure on bootBrian Behlendorf2017-02-081-0/+1
| | | | | | | | | | | | | | | | | | | | The mount(8) command will helpfully try to resolve any device name which is passed in. It does this by applying some simple heuristics before passing it along to the registered mount helper. Normally this fine. However, one of these heuristics is to prepend the current working directory to the passed device name. If that resulting directory name exists mount(8) will perform the mount(2) system call and never invoke the helper utility. Since the cwd for systemd when running as the system instance is the root directory the default mount points created by zfs(8) can cause a mount failure. This change avoids the issue by explicitly setting the cwd to a different path when performing the mount. Signed-off-by: Brian Behlendorf <[email protected]> Closes #5719
* Fix zfs-share systemd unit fileLOLi2017-01-131-1/+1
| | | | | | | | Use the system /bin directory rather than the package install @bindir@. This allows --prefix=/usr/local to work as intended. Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: loli10K <[email protected]> Closes #5559
* Fix spellingka72017-01-032-5/+5
| | | | | | | | | Reviewed-by: Brian Behlendorf <[email protected] Reviewed-by: Giuseppe Di Natale <[email protected]>> Reviewed-by: George Melikov <[email protected]> Reviewed-by: Haakan T Johansson <[email protected]> Closes #5547 Closes #5543
* Change /etc/mtab to /proc/self/mountsslashdd2016-09-202-3/+3
| | | | | | | | | | | Fix misleading error message: "The /dev/zfs device is missing and must be created.", if /etc/mtab is missing. Reviewed-by: Richard Laager <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Eric Desrochers <[email protected]> Closes #4680 Closes #5029
* Set proper dependency for string replacement targetsChunwei Chen2016-08-023-13/+6
| | | | | | | | | A lot of string replacement target don't have dependency or incorrect dependency. We setup proper dependency by pattern rules. Signed-off-by: Chunwei Chen <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #4908
* Systemd configuration fixesBrian Behlendorf2016-05-278-11/+29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Disable zfs-import-scan.service by default. This ensures that pools will not be automatically imported unless they appear in the cache file. When this service is explicitly enabled pools will be imported with the "cachefile=none" property set. This prevents the creation of, or update to, an existing cache file. $ systemctl list-unit-files | grep zfs zfs-import-cache.service enabled zfs-import-scan.service disabled zfs-mount.service enabled zfs-share.service enabled zfs-zed.service enabled zfs.target enabled * Change services to dynamic from static by adding an [Install] section and adding 'WantedBy' tags in favor of 'Requires' tags. This allows for easier customization of the boot behavior. * Start the zfs-import-cache.service after the root pivot so the cache file is available in the standard location. * Start the zfs-mount.service after the systemd-remount-fs.service to ensure the root fs is writeable and the ZFS filesystems can create their mount points. * Change the default behavior to only load the ZFS kernel modules in zfs-import-*.service or when blkid(8) detects a pool. Users who wish to unconditionally load the kernel modules must uncomment the list of modules in /lib/modules-load.d/zfs.conf. Reviewed-by: Richard Laager <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #4325 Closes #4496 Closes #4658 Closes #4699
* A collection of dracut fixesManuel Amador (Rudd-O)2016-05-122-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | - In older systems without sysroot.mount, import before dracut-mount, and re-enable old dracut mount hook - rootflags MUST be present even if the administrator neglected to specify it explicitly - Check that mount.zfs exists in sbindir - Remove awk and head as (now unused) requirements, add grep, and install the right mount.zfs - Eliminate one use of grep in Dracut - Use a more accurate grepping statement to identify zfsutil in rootflags - Ensure that pooldev is nonempty - Properly handle /dev/sd* devices and more - Use new -P to get list of zpool devices - Bail out of the generator when zfs:AUTO is on the root command line - Ignore errors from systemctl trying to load sysroot.mount, we only care about the output - Determine which one is the correct initqueuedir at run time. - Add a compatibility getargbool for our detection / setup script. - Update dracut .gitignore files Signed-off-by: <Matthew Thode [email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #4558 Closes #4562
* Add support for alpine linuxCarlo Landmeter2016-03-085-5/+5
| | | | | | | | | Both Alpine Linux and Gentoo use OpenRC so we share its logic Signed-off-by: Carlo Landmeter <[email protected]> Signed-off-by: Richard Yao <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #4386
* Add nfs-kernel-server for DebianGrischa Zengel2016-02-251-2/+2
| | | | | | | | | | Debian based systems use nfs-kernel-server as the service name. List both nfs-server.service and nfs-kernel-server.service so this service will work on multiple distributions. Signed-off-by: Grischa Zengel <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #4350
* zfs-import: Perform verbatim import using cache fileJames Lee2015-10-132-64/+57
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This change modifies the import service to use the default cache file to perform a verbatim import of pools at boot. This fixes code that searches all devices and imported all visible pools. Using the cache file is in keeping with the way ZFS has always worked, how Solaris, Illumos, FreeBSD, and systemd performs imports, and is how it is written in the man page (zpool(1M,8)): All pools in this cache are automatically imported when the system boots. Importantly, the cache contains important information for importing multipath devices, and helps control which pools get imported in more dynamic environments like SANs, which may have thousands of visible and constantly changing pools, which the ZFS_POOL_EXCEPTIONS variable is not equipped to handle. Verbatim imports prevent rogue pools from being automatically imported and mounted where they shouldn't be. The change also stops the service from exporting pools at shutdown. Exporting pools is only meant to be performed explicitly by the administrator of the system. The old behavior of searching and importing all visible pools is preserved and can be switched on by heeding the warning and toggling the ZPOOL_IMPORT_ALL_VISIBLE variable in /etc/default/zfs. Signed-off-by: James Lee <[email protected]> Signed-off-by: Richard Yao <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #3777 Closes #3526
* Rename 'zed.service' to 'zfs-zed.service'Turbo Fredriksson2015-10-023-3/+6
| | | | | | | | | | | | | | | For consistency all systemd unit files and init scripts now share the same names. This prevents an issue where the zed is started twice on systems where both the systemd and sysv infrastructure is installed concurrently. For backward compatibility a 'zed' alias has been added. This allows the user to interact with the service using either the name 'zed' or 'zfs-zed'. Signed-off-by: Turbo Fredriksson <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Issue #3837
* Init script fixesTurbo Fredriksson2015-09-296-49/+72
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Fix regression - "OVERLAY_MOUNTS" should have been "DO_OVERLAY_MOUNTS". * Fix update-rc.d commands in postinst. Thanx to subzero79@GitHub. * Fix make sure a filesystem exists before trying to mount in mount_fs() * Fix local variable usage. * Fix to read_mtab(): * Strip control characters (space - \040) from /proc/mounts GLOBALY, not just first occurrence. * Don't replace unprintable characters ([/-. ]) for use in the variable name with underscore. No need, just remove them all together. * Add check_boolean() to check if a user configure option is set ('yes', 'Yes', 'YES' or any combination there of) OR '1'. Anything else is considered 'unset'. * Add a ZFS_POOL_IMPORT to the default config. * This is a semi colon separated list of pools to import ONLY. * This is intended for systems which have _a lot_ of pools (from a SAN for example) and it would be to many to put in the ZFS_POOL_EXCEPTIONS variable.. * Add a config option "ZPOOL_IMPORT_OPTS" for adding additional options to "zpool import". * Add documentation and the chance of overriding the ZPOOL_CACHE variable in the config file. * Remove "sort" from find_pools() and setup_snapshot_booting(). Sometimes not available, and not really necessary. Signed-off-by: Turbo Fredriksson <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Signed-off-by: Ned Bass <[email protected]> Issue #3816
* Fixed --signal typoyuina8222015-09-221-1/+1
| | | | | | Signed-off-by: Richard Yao <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Issue #3773
* Add extra_started_commands because reload function is not defaultyuina8222015-09-221-0/+2
| | | | | | Signed-off-by: Richard Yao <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Issue #3773
* Force create /run/sendsigs.omit.d link when starting zedSenH2015-09-081-1/+1
| | | | | | | | | | | | | | Resolve the following error when restarting the zed by force creating the /run/sendsigs.omit.d/zed link. sudo /etc/init.d/zfs-zed restart * Stopping ZFS Event Daemon [ OK ] * Starting ZFS Event Daemon ln: failed to create symbolic link `/run/sendsigs.omit.d/zed': File exists Signed-off-by: SenH <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #3747
* Reorder zfs-* services to allow /var on separate datasetJames Lee2015-09-025-46/+45
| | | | | | | | | | | | | | | | | | | | | | | | | ZED depends on /var. When /var is a separate dataset, it must be mounted before starting ZED. This change moves the zfs-zed service from starting first, to starting after zfs-mount, but before zfs-share. As discussed in issue #3513, ZED does not need to start first in order to consume events made during the zfs-import and zfs-mount services. The events will be queued and can be handled later in the boot process. ZED may, however, handle sharing in the future, so it should be started before the zfs-share service. This commit also stops the zfs-import service from writing temp files to /var/tmp on shutdown and it corrects the return code for the OpenRC service. Other OpenRC-specific changes noted in issue #3513 were reitereated in issue #3715 and committed in da619f3. Signed-off-by: James Lee <[email protected]> Signed-off-by: Richard Yao <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #3513
* Some OpenRC dependency logic belongs in mountRichard Yao2015-08-302-10/+12
| | | | | | | | | The dependencies for handling / on ZFS belong in the mount script, not the zed script. Signed-off-by: Richard Yao <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #3715
* Fix some minor issues with the SYSV init and initramfs scripts.Turbo Fredriksson2015-07-245-14/+18
| | | | | | | | | | | | | | | | | | | | | This is some minor fixes to commits 2cac7f5f11756663525a5d4604d9f0a3202d4024 and 2a34db1bdbcecf5019c4a59f2a44c92fe82010f2. * Make sure to alien'ate the new initramfs rpm package as well! The rpm package is build correctly, but alien isn't run on it to create the deb. * Before copying file from COPY_FILE_LIST, make sure the DESTDIR/dir exists. * Include /lib/udev/vdev_id file in the initrd. * Because the initrd needs to use '/sbin/modprobe' instead of 'modprobe', we need to use this in load_module() as well. * Make sure that load_module() can be used more globaly, instead of calling '/sbin/modprobe' all over the place. * Make sure that check_module_loaded() have a parameter - module to check. Signed-off-by: Turbo Fredriksson <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #3626
* Support parallel build trees (VPATH builds)Turbo Fredriksson2015-07-173-12/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Build products from an out of tree build should be written relative to the build directory. Sources should be referred to by their locations in the source directory. This is accomplished by adding the 'src' and 'obj' variables for the module Makefile.am, using relative paths to reference source files, and by setting VPATH when source files are not co-located with the Makefile. This enables the following: $ mkdir build $ cd build $ ../configure \ --with-spl=$HOME/src/git/spl/ \ --with-spl-obj=$HOME/src/git/spl/build $ make -s This change also has the advantage of resolving the following warning which is generated by modern versions of automake. Makefile.am:00: warning: source file 'xxx' is in a subdirectory, Makefile.am:00: but option 'subdir-objects' is disabled Signed-off-by: Turbo Fredriksson <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #1082
* Add /dev/mapper to the list of possible sources for pool devices.Turbo Fredriksson2015-06-291-0/+9
| | | | | | | | This is especially needed when using LUKS backed pools. Signed-off-by: Turbo Fredriksson <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #3536
* Additional SYSV init script fixes (3).Turbo Fredriksson2015-06-252-54/+22
| | | | | | | | | | | | | | | | | | * In read_mtab(), fix problems (!?) in the mounts file. It will record 'rpool 1' as 'rpool\0401' instead of 'rpool\00401' which seems to be the correct (at least as far as 'printf' is concerned). Use this using the external 'echo' command (and not the one built in to the shell) because the internal one would interpret the backslash code (incorrectly), giving us a  instead. * Remove reregister_mounts() - no longer needed. * For Gentoo, the zfs_log_failure_msg() should use eend(), not eerror() (which requires an error message, which we don't have). Signed-off-by: Turbo Fredriksson <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #3488 Closes #3509 Closes #3514
* Revert "Additional SYSV init script fixes."Turbo Fredriksson2015-06-251-10/+7
| | | | | | | | | | | This reverts commit 036391c980c1e6504352b770eb385806a951b1cb. Because #3509 came just after this commit was accepted and is related to the original problem the commit was supposed to fix, we need to solve the problem in another way. Signed-off-by: Turbo Fredriksson <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]>
* Additional SYSV init script fixes.Turbo Fredriksson2015-06-171-7/+10
| | | | | | | | | | | | | | | | | | | | Use the 'mount' command instead of /proc/mounts to get a list of matching filesystems. This because /proc/mounts reports a pool with a space 'rpool 1' as 'rpool\0401'. The space is encoded as 3-digit octal which is legal. However 'printf "%b"', which we use to filter out other illegal characters (such as slash, space etc) can't properly interpret this because it expects 4-digit octal. We get a  instead of the space we expected. The correct value should have been 'rpool\00401' (note the additional leading zero). So use 'mount', which interprets all backslash-escapes correctly, instead. Signed-off-by: Turbo Fredriksson [email protected] Signed-off-by: Brian Behlendorf <[email protected]> Closes #3488
* SYSV init script fixes.Turbo Fredriksson2015-06-054-17/+35
| | | | | | | | | | | | | | | | | | | | | * Change the order of the function library check/load. Redhat based system _can_ have a /lib/lsb/init-functions file (from the redhat-lsb-core package), but it's only partially what we can use. Instead, look for that file last, giving the script a chance to catch the 'real' distribution file. * Filter out dashes and dots in dataset name in read_mtab(). * Get rid of 'awk' entirely. This is usually in /usr, which might not be availible. * Get rid of the 'find /dev/disk/by-*' (find is on /usr, which might not be availible). Instead use echo in a for loop. * Rebuild scripts if any of the *.in files changed. * Move the sed part that filters out duplicates inside the check fo valid variable. Signed-off-by: Turbo Fredriksson [email protected] Signed-off-by: Brian Behlendorf <[email protected]> Closes #3463 Closes #3457
* Base init scripts for SYSV systemsTurbo Fredriksson2015-05-2814-786/+1443
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Based on the init scripts included with Debian GNU/Linux, then take code from the already existing ones, trying to merge them into one set of scripts that will work for 'everyone' for better maintainability. * Add configurable variables to control the workings of the init scripts: * ZFS_INITRD_PRE_MOUNTROOT_SLEEP Set a sleep time before we load the module (used primarily by initrd scripts to allow for slower media (such as USB devices etc) to be availible before we load the zfs module). * ZFS_INITRD_POST_MODPROBE_SLEEP Set a timed sleep in the initrd to after the load of the zfs module. * ZFS_INITRD_ADDITIONAL_DATASETS To allow for mounting additional datasets in the initrd. Primarily used in initrd scripts to allow for when filesystem needed to boot (such as /usr, /opt, /var etc) isn't directly under the root dataset. * ZFS_POOL_EXCEPTIONS Exclude pools from being imported (in the initrd and/or init scripts). * ZFS_DKMS_ENABLE_DEBUG, ZFS_DKMS_ENABLE_DEBUG_DMU_TX, ZFS_DKMS_DISABLE_STRIP Set to control how dkms should build the dkms packages. * ZPOOL_IMPORT_PATH Set path(s) where "zpool import" should import pools from. This was previously the job of "USE_DISK_BY_ID" (which is still used for backwards compatibility) but was renamed to allow for better control of import path(s). * If old USE_DISK_BY_ID is set, but not new ZPOOL_IMPORT_PATH, then we set ZPOOL_IMPORT_PATH to sane defaults just to be on the safe side. * ZED_ARGS To allow for local options to zed without having to change the init script. * The import function, do_import(), imports pools by name instead of '-a' for better control of pools to import and from where. * If USE_DISK_BY_ID is set (for backwards compatibility), but isn't 'yes' then ignore it. * If pool(s) isn't found with a simple "zpool import" (seen it happen), try looking for them in /dev/disk/by-id (if it exists). Any duplicates (pools found with both commands) is filtered out. * IF we have found extra pool(s) this way, we must force USE_DISK_BY_ID so that the first, simple "zpool import $pool" is able to find it. * Fallback on importing the pool using the cache file (if it exists) only if 'simple' import (either with ZPOOL_IMPORT_PATH or the 'built in' defaults) didn't work. * The export function, do_export(), will export all pools imported, EXCEPT the root pool (if there is one). * ZED script from the Debian GNU/Linux packages added. * Refreshed ZED init script from behlendorf@5e7a660 to be portable so it may be used on both LSB and Redhat style systems. * If there is no pool(s) imported and zed successfully shut down, we will unload the zfs modules. * The function library file for the ZoL init script is installed as /etc/init.d/zfs-functions. * The four init scripts, the /etc/{defaults,sysconfig,conf.d}/zfs config file as well as the common function library is tagged as '%config(noreplace)' in the rpm rules file to make sure they are not replaced automatically if locally modifed. * Pitfals and workarounds: * If we're running from init, remove stale /etc/dfs/sharetab before importing pools in the zfs-import init script. * On Debian GNU/Linux, there's a 'sendsigs' script that will kill basically everything quite early in the shutdown phase and zed is/should be stopped much later than that. We don't want zed to be among the ones killed, so add the zed pid to list of pids for 'sendsigs' to ignore. * CentOS uses echo_success() and echo_failure() to print out status of command. These in turn uses "echo -n \0xx[etc]" to move cursor and choose colour etc. This doesn't work with the modified IFS variable we need to use in zfs-import for some reason, so work around that when we define zfs_log_{end,failure}_msg() for RedHat and derivative distributions. * All scripts passes ShellCheck (with one false positive in do_mount()). Signed-off-by: Turbo Fredriksson [email protected] Signed-off-by: Brian Behlendorf <[email protected]> Reviewed by: Richard Yao <[email protected]> Reviewed by: Chris Dunlap <[email protected]> Closes #2974 Closes #2107
* Use ExecStartPre to load zfs modulesBrian Behlendorf2015-05-262-2/+4
| | | | | | | | | | | | | Commit 87abfcb broke the systemd import service by treating the ExecStart line as if it were a shell command that could be executed. This isn't the way systemd works and the correct way to handle this case is with ExecStartPre. This patch updates the zfs import service files accordingly, Signed-off-by: Brian Behlendorf <[email protected]> Signed-off-by: Steven Noonan <[email protected]> Signed-off-by: Chris Siebenmann <[email protected]> Closes #3440
* Wait in libzfs_init() for the /dev/zfs deviceBrian Behlendorf2015-05-222-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | While module loading itself is synchronous the creation of the /dev/zfs device is not. This is because /dev/zfs is typically created by a udev rule after the module is registered and presented to user space through sysfs. This small window between module loading and device creation can result in spurious failures of libzfs_init(). This patch closes that race by extending libzfs_init() so it can detect that the modules are loaded and only if required wait for the /dev/zfs device to be created. This allows scripts to reliably use the following shell construct without the need for additional error handling. $ /sbin/modprobe zfs && /sbin/zpool import -a To minimize the potential time waiting in libzfs_init() a strategy similar to adaptive mutexes is employed. The function will busy-wait for up to 10ms based on the expectation that the modules were just loaded and therefore the /dev/zfs will be created imminently. If it takes longer than this it will fall back to polling for up to 10 seconds. This behavior can be customized to some degree by setting the following new environment variables. This functionality is provided for backwards compatibility with existing scripts which depend on the module auto-load behavior. By default module auto-loading is now disabled. * ZFS_MODULE_LOADING="YES|yes|ON|on" - Attempt to load modules. * ZFS_MODULE_TIMEOUT="<seconds>" - Seconds to wait for /dev/zfs The zfs-import-* systemd service files have been updated to call '/sbin/modprobe zfs' so they no longer rely on the legacy auto-loading behavior. Signed-off-by: Brian Behlendorf <[email protected]> Signed-off-by: Chris Dunlap <[email protected]> Signed-off-by: Richard Yao <[email protected]> Closes #2556
* Rebuild init scripts on source file updatesDHE2015-04-141-1/+1
| | | | | | | | | | The resulting script is not removed by 'make clean' or rebuilt when the source files are changed. Users with long standing git trees may find their init script is out of date. Signed-off-by: DHE <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #3273
* Actually source /etc/sysconfig/zfs instead of /etc/default/zfsHajo Möller2015-03-091-1/+1
| | | | | | Signed-off-by: Hajo M<C3><B6>ller <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #3162
* Add ZED to zfs.redhat.in scriptChris Dunlap2015-03-052-0/+7
| | | | | | | | This commit updates the zfs.redhat.in script to start/stop ZED. Signed-off-by: Chris Dunlap <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Issue #3153
* Replace zfs.redhat.in with zfs.lsb.in init scriptBrian Behlendorf2015-03-041-104/+73
| | | | | | | | | | | | | | | | | | | | | | | | | This commit replaces the zfs.redhat.in init script with a slightly modified version of the existing zfs.lsb.in init script. This was done to minimize the functional differences between platforms. The lsb version of the script was choosen because it's heavily tested and provides the most functionality. Changes made for RHEL systems: * Configuration: /etc/default/zfs -> /etc/sysconfig/zfs * LSB functions: /lib/lsb/init-functions -> /etc/rc.d/init.d/functions * Logging: log_begin_msg/log_end_msg -> action Features in LSB which are now in RHEL: * USE_DISK_BY_ID=0 - Use the by-id names * VERBOSE_MOUNT=0 - Verbose mounts by default * DO_OVERLAY_MOUNTS=0 - Overlay mounts by default * MOUNT_EXTRA_OPTIONS=0 - Generic extra options Existing RHEL features which were removed: * Automatically mounting FSs on ZVOLs listed in /etc/fstab Signed-off-by: Brian Behlendorf <[email protected]> Issue #3153
* Improve systemd script to not leave stale sharetabDan Swartzendruber2014-12-181-0/+1
| | | | | | | | | | The systemd script zfs-share.service does 'zfs share -a' to share any required datasets. Unfortunately, /etc/dfs/sharetab is stale from the previous boot. Delete it before we share. Signed-off-by: Dan Swartzendruber <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #2883
* Fix systemd config for zfs-share.serviceDan Swartzendruber2014-11-191-0/+2
| | | | | | | | | | The zfs-share.service rule needs to be modified to ensure that it does not execute before zfs-mount.service. Signed-off-by: Dan Swartzendruber <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Signed-off-by: Ralf Ertzinger <[email protected]> Closes #2893
* Import zfs pools after cryptsetupalteriks2014-09-042-0/+2
| | | | | | | | | | The zfs-import-cache.service and zfs-import-scan.service should should be started after cryptsetup to ensure all LUKS devices have been opened. Signed-off-by: alteriks <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #1474
* Change startup mode of ZEDRalf Ertzinger2014-09-021-5/+1
| | | | | | | | | | | | Change the startup mode of ZED to non-forking. While systemd can track processes that detach from the terminal just fine, running processes in non-forking mode is the preferred mode of operation. Also remove user/group definitions as root/root is the default. Signed-off-by: Chris Dunlap <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #2252
* Do not export pool to prevent cache from been removedDerek Dai2014-06-051-7/+0
| | | | | | | Signed-off-by: Derek Dai <[email protected]> Signed-off-by: Turbo Fredriksson <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #2353
* Remove SELinux enforcing check from init scriptsBrian Behlendorf2014-05-023-20/+0
| | | | | | | | | | | | | | The default SELinux policy for RHEL and Fedora has been updated to include ZFS in the list of filesystems which support xattrs. Therefore, there's no longer a need to detect this in the init scripts. References: https://bugzilla.redhat.com/show_bug.cgi?id=811532 https://bugzilla.redhat.com/show_bug.cgi?id=816543 Signed-off-by: Brian Behlendorf <[email protected]> Closes #2166
* Allow specifying '-o <opts>' in defaults/init script.Turbo Fredriksson2014-04-041-1/+2
| | | | | | Signed-off-by: Turbo Fredriksson <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Issue #2103
* Support using overlay mounts in defaults/init script.Turbo Fredriksson2014-04-041-1/+6
| | | | | | Signed-off-by: Turbo Fredriksson <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Issue #2103
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