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* Isolate code specific to Linux in cmd/Ryan Moeller2019-11-111-0/+2
| | | | | | | | | | | | | Use sys.platform to choose the correct implementation of functions and values of variables for the platform being run on. Reword some comments to avoid describing implementation details in the wrong places. Reviewed-by: Kjeld Schouten <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Reviewed-by: Jorgen Lundman <[email protected]> Signed-off-by: Ryan Moeller <[email protected]> Closes #9561
* New service that waits on zvol links to be createdPavel Zakharov2019-07-171-1/+1
| | | | | | | | | | | | | | | | 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
* Make Python detection optional and more portableRyan Moeller2019-06-041-2/+7
| | | | | | | | | | | | | | | | | | | | | Previously, --without-python would cause ./configure to fail. Now it is able to proceed, and the Python scripts will not be built. Use portable parameter expansion matching instead of nonstandard substring matching to detect the Python version. This test is duplicated in several places, so define a function for it. Don't assume the full path to binaries, since different platforms do install things in different places. Use AC_CHECK_PROGS instead. When building without Python, also build without pyzfs. Sponsored by: iXsystems, Inc. Reviewed-by: Brian Behlendorf <[email protected]> Reviewed-by: Richard Laager <[email protected]> Reviewed-by: Eli Schwartz <[email protected]> Signed-off-by: Ryan Moeller <[email protected]> Closes #8809 Closes #8731
* Retire legacy test infrastructureBrian Behlendorf2017-08-151-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Removed zpios kmod, utility, headers and man page. * Removed unused scripts zpios-profile/*, zpios-test/*, zpool-config/*, smb.sh, zpios-sanity.sh, zpios-survey.sh, zpios.sh, and zpool-create.sh. * Removed zfs-script-config.sh.in. When building 'make' generates a common.sh with in-tree path information from the common.sh.in template. This file and sourced by the test scripts and used for in-tree testing, it is not included in the packages. When building packages 'make install' uses the same template to create a new common.sh which is appropriate for the packaging. * Removed unused functions/variables from scripts/common.sh.in. Only minimal path information and configuration environment variables remain. * Removed unused scripts from scripts/ directory. * Remaining shell scripts in the scripts directory updated to cleanly pass shellcheck and added to checked scripts. * Renamed tests/test-runner/cmd/ to tests/test-runner/bin/ to match install location name. * Removed last traces of the --enable-debug-dmu-tx configure options which was retired some time ago. Reviewed-by: Giuseppe Di Natale <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #6509
* Add zgenhostid utility scriptOlaf Faaland2017-07-251-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Turning the multihost property on requires that a hostid be set to allow ZFS to determine when a foreign system is attemping to import a pool. The error message instructing the user to set a hostid refers to genhostid(1). Genhostid(1) is not available on SUSE Linux. This commit adds a script modeled after genhostid(1) for those users. Zgenhostid checks for an /etc/hostid file; if it does not exist, it creates one and stores a value. If the user has provided a hostid as an argument, that value is used. Otherwise, a random hostid is generated and stored. This differs from the CENTOS 6/7 versions of genhostid, which overwrite the /etc/hostid file even though their manpages state otherwise. A man page for zgenhostid is added. The one for genhostid is in (1), but I put zgenhostid in (8) because I believe it's more appropriate. The mmp tests are modified to use zgenhostid to set the hostid instead of using the spl_hostid module parameter. zgenhostid will not replace an existing /etc/hostid file, so new mmp_clear_hostid calls are required. Reviewed-by: Giuseppe Di Natale <[email protected]> Reviewed-by: Andreas Dilger <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Olaf Faaland <[email protected]> Closes #6358 Closes #6379
* SIMD implementation of vdev_raidz generate and reconstruct routinesGvozden Neskovic2016-06-211-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is a new implementation of RAIDZ1/2/3 routines using x86_64 scalar, SSE, and AVX2 instruction sets. Included are 3 parity generation routines (P, PQ, and PQR) and 7 reconstruction routines, for all RAIDZ level. On module load, a quick benchmark of supported routines will select the fastest for each operation and they will be used at runtime. Original implementation is still present and can be selected via module parameter. Patch contains: - specialized gen/rec routines for all RAIDZ levels, - new scalar raidz implementation (unrolled), - two x86_64 SIMD implementations (SSE and AVX2 instructions sets), - fastest routines selected on module load (benchmark). - cmd/raidz_test - verify and benchmark all implementations - added raidz_test to the ZFS Test Suite New zfs module parameters: - zfs_vdev_raidz_impl (str): selects the implementation to use. On module load, the parameter will only accept first 3 options, and the other implementations can be set once module is finished loading. Possible values for this option are: "fastest" - use the fastest math available "original" - use the original raidz code "scalar" - new scalar impl "sse" - new SSE impl if available "avx2" - new AVX2 impl if available See contents of `/sys/module/zfs/parameters/zfs_vdev_raidz_impl` to get the list of supported values. If an implementation is not supported on the system, it will not be shown. Currently selected option is enclosed in `[]`. Signed-off-by: Gvozden Neskovic <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #4328
* Install arc_summary.pyTurbo Fredriksson2015-03-031-0/+1
| | | | | | | | | Add the arc_summary Makefile to the build system so the script is properly included in the distribution tarball and installed. Signed-off-by: Turbo Fredriksson <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #3147
* Initial implementation of zed (ZFS Event Daemon)Chris Dunlap2014-04-021-1/+1
| | | | | | | | | | | | | | | | | | | | | | | zed monitors ZFS events. When a zevent is posted, zed will run any scripts that have been enabled for the corresponding zevent class. Multiple scripts may be invoked for a given zevent. The zevent nvpairs are passed to the scripts as environment variables. Events are processed synchronously by the single thread, and there is no maximum timeout for script execution. Consequently, a misbehaving script can delay (or forever block) the processing of subsequent zevents. Plans are to address this in future commits. Initial scripts have been developed to log events to syslog and send email in response to checksum/data/io errors and resilver.finish/scrub.finish events. By default, email will only be sent if the ZED_EMAIL variable is configured in zed.rc (which is serving as a config file of sorts until a proper configuration file is implemented). Signed-off-by: Chris Dunlap <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Issue #2
* Add dbufstat.py commandBrian Behlendorf2013-10-251-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | The dbufstat.py command was added to provide a conveniant way to easily determine what ZFS is caching. The script consumes the raw /proc/spl/kstat/zfs/dbufs kstat data can consolidates it in to a more human readable form. This was designed primarily as a tool to aid developers but it may also be useful for advanced users who want more visibility in to what the ARC is caching. When run without options dbufstat.py will default to showing a list of all objects with at least one buffer present in the cache. The total cache space consumed by that object will be printed on the right along with the object type. Similar to the arcstats.py command the -x option may used to display additional fields. Two other modes of operation are also supported by dbufstat.py and the expectation is additional display modes may be added as needed. The -t option will summerize the total number of bytes cached for each object type, and the -b option will show every dbuf currently cached. The script was designed to be consistent with arcstat.py and includes most of the same options and funcationality. Signed-off-by: Prakash Surya <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]>
* Modified arcstat.py to run on linuxChrist Schlacta2013-06-181-1/+1
| | | | | | | | | * Modified kstat_update() to read arcstats from proc. * Fix shebang. * Added Makefile.am entries for arcstat.py Signed-off-by: Brian Behlendorf <[email protected]> Closes #1506
* Retire zpool_id infrastructureBrian Behlendorf2013-01-291-1/+1
| | | | | | | | | | | | | | | | | | | In the interest of maintaining only one udev helper to give vdevs user friendly names, the zpool_id and zpool_layout infrastructure is being retired. They are superseded by vdev_id which incorporates all the previous functionality. Documentation for the new vdev_id(8) helper and its configuration file, vdev_id.conf(5), can be found in their respective man pages. Several useful example files are installed under /etc/zfs/. /etc/zfs/vdev_id.conf.alias.example /etc/zfs/vdev_id.conf.multipath.example /etc/zfs/vdev_id.conf.sas_direct.example /etc/zfs/vdev_id.conf.sas_switch.example Signed-off-by: Brian Behlendorf <[email protected]> Closes #981
* Add /sbin/fsck.zfs helperBrian Behlendorf2013-01-091-2/+2
| | | | | | | | | | A fsck helper to accomidate distributions that expect to be able to execute a fsck on all filesystem types. Currently this script does nothing but it could be extended to act as a compatibility wrapper for 'zpool scrub'. Signed-off-by: Brian Behlendorf <[email protected]> Closes #964
* Illumos #2619 and #2747Christopher Siden2013-01-081-1/+1
| | | | | | | | | | | | | | | | | | | | | | 2619 asynchronous destruction of ZFS file systems 2747 SPA versioning with zfs feature flags Reviewed by: Matt Ahrens <[email protected]> Reviewed by: George Wilson <[email protected]> Reviewed by: Richard Lowe <[email protected]> Reviewed by: Dan Kruchinin <[email protected]> Approved by: Eric Schrock <[email protected]> References: illumos/illumos-gate@53089ab7c84db6fb76c16ca50076c147cda11757 illumos/illumos-gate@ad135b5d644628e791c3188a6ecbd9c257961ef8 illumos changeset: 13700:2889e2596bd6 https://www.illumos.org/issues/2619 https://www.illumos.org/issues/2747 NOTE: The grub specific changes were not ported. This change must be made to the Linux grub packages. Ported-by: Brian Behlendorf <[email protected]>
* Add zstreamdump(8) command to examine ZFS send streams.Martin Matuska2012-09-021-1/+1
| | | | | | | | Obtained from: illumos-gate revision 11935:538c866aaac6 Source: ssh://[email protected]/illumos-gate Signed-off-by: Brian Behlendorf <[email protected]> Closes #905
* Add vdev_id for JBOD-friendly udev aliasesNed A. Bass2012-06-011-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | vdev_id parses the file /etc/zfs/vdev_id.conf to map a physical path in a storage topology to a channel name. The channel name is combined with a disk enclosure slot number to create an alias that reflects the physical location of the drive. This is particularly helpful when it comes to tasks like replacing failed drives. Slot numbers may also be re-mapped in case the default numbering is unsatisfactory. The drive aliases will be created as symbolic links in /dev/disk/by-vdev. The only currently supported topologies are sas_direct and sas_switch: o sas_direct - a channel is uniquely identified by a PCI slot and a HBA port o sas_switch - a channel is uniquely identified by a SAS switch port A multipath mode is supported in which dm-mpath devices are handled by examining the first running component disk, as reported by 'multipath -l'. In multipath mode the configuration file should contain a channel definition with the same name for each path to a given enclosure. vdev_id can replace the existing zpool_id script on systems where the storage topology conforms to sas_direct or sas_switch. The script could be extended to support other topologies as well. The advantage of vdev_id is that it is driven by a single static input file that can be shared across multiple nodes having a common storage toplogy. zpool_id, on the other hand, requires a unique /etc/zfs/zdev.conf per node and a separate slot-mapping file. However, zpool_id provides the flexibility of using any device names that show up in /dev/disk/by-path, so it may still be needed on some systems. vdev_id's functionality subsumes that of the sas_switch_id script, and it is unlikely that anyone is using it, so sas_switch_id is removed. Finally, /dev/disk/by-vdev is added to the list of directories that 'zpool import' will scan. Signed-off-by: Brian Behlendorf <[email protected]> Closes #713
* Multipath device manageability improvementsNed A. Bass2011-06-231-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Update udev helper scripts to deal with device-mapper devices created by multipathd. These enhancements are targeted at a particular storage network topology under evaluation at LLNL consisting of two SAS switches providing redundant connectivity between multiple server nodes and disk enclosures. The key to making these systems manageable is to create shortnames for each disk that conveys its physical location in a drawer. In a direct-attached topology we infer a disk's enclosure from the PCI bus number and HBA port number in the by-path name provided by udev. In a switched topology, however, multiple drawers are accessed via a single HBA port. We therefore resort to assigning drawer identifiers based on which switch port a drive's enclosure is connected to. This information is available from sysfs. Add options to zpool_layout to generate an /etc/zfs/zdev.conf using symbolic links in /dev/disk/by-id of the form <label>-<UUID>-switch-port:<X>-slot:<Y>. <label> is a string that depends on the subsystem that created the link and defaults to "dm-uuid-mpath" (this prefix is used by multipathd). <UUID> is a unique identifier for the disk typically obtained from the scsi_id program, and <X> and <Y> denote the switch port and disk slot numbers, respectively. Add a callout script sas_switch_id for use by multipathd to help create symlinks of the form described above. Update zpool_id and the udev zpool rules file to handle both multipath devices and conventional drives.
* Fix mount helperBrian Behlendorf2011-03-091-1/+2
| | | | | | | | | | | | | | | | | Several issues related to strange mount/umount behavior were reported and this commit should address most of them. The original idea was to put in place a zfs mount helper (mount.zfs). This helper is used to enforce 'legacy' mount behavior, and perform any extra mount argument processing (selinux, zfsutil, etc). This helper wasn't ready for the 0.6.0-rc1 release but with this change it's functional but needs to extensively tested. This change addresses the following open issues. Closes #101 Closes #107 Closes #113 Closes #115 Closes #119
* Use udev to create /dev/zvol/[dataset_name] linksFajar A. Nugraha2011-02-251-1/+1
| | | | | | | | | | | | | | | | | This commit allows zvols with names longer than 32 characters, which fixes issue on https://github.com/behlendorf/zfs/issues/#issue/102. Changes include: - use /dev/zd* device names for zvol, where * is the device minor (include/sys/fs/zfs.h, module/zfs/zvol.c). - add BLKZNAME ioctl to get dataset name from userland (include/sys/fs/zfs.h, module/zfs/zvol.c, cmd/zvol_id). - add udev rule to create /dev/zvol/[dataset_name] and the legacy /dev/[dataset_name] symlink. For partitions on zvol, it will create /dev/zvol/[dataset_name]-part* (etc/udev/rules.d/60-zvol.rules, cmd/zvol_id). Signed-off-by: Brian Behlendorf <[email protected]>
* Add linux zpios supportBrian Behlendorf2010-08-311-1/+1
| | | | | | Linux kernel implementation of PIOS test app. Signed-off-by: Brian Behlendorf <[email protected]>
* Add build systemBrian Behlendorf2010-08-311-0/+1
Add autoconf style build infrastructure to the ZFS tree. This includes autogen.sh, configure.ac, m4 macros, some scripts/*, and makefiles for all the core ZFS components.