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* Add `zfs allow` and `zfs unallow` supportBrian Behlendorf2016-06-0756-153/+298
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ZFS allows for specific permissions to be delegated to normal users with the `zfs allow` and `zfs unallow` commands. In addition, non- privileged users should be able to run all of the following commands: * zpool [list | iostat | status | get] * zfs [list | get] Historically this functionality was not available on Linux. In order to add it the secpolicy_* functions needed to be implemented and mapped to the equivalent Linux capability. Only then could the permissions on the `/dev/zfs` be relaxed and the internal ZFS permission checks used. Even with this change some limitations remain. Under Linux only the root user is allowed to modify the namespace (unless it's a private namespace). This means the mount, mountpoint, canmount, unmount, and remount delegations cannot be supported with the existing code. It may be possible to add this functionality in the future. This functionality was validated with the cli_user and delegation test cases from the ZFS Test Suite. These tests exhaustively verify each of the supported permissions which can be delegated and ensures only an authorized user can perform it. Two minor bug fixes were required for test-running.py. First, the Timer() object cannot be safely created in a `try:` block when there is an unconditional `finally` block which references it. Second, when running as a normal user also check for scripts using the both the .ksh and .sh suffixes. Finally, existing users who are simulating delegations by setting group permissions on the /dev/zfs device should revert that customization when updating to a version with this change. Signed-off-by: Brian Behlendorf <[email protected]> Signed-off-by: Tony Hutter <[email protected]> Closes #362 Closes #434 Closes #4100 Closes #4394 Closes #4410 Closes #4487
* OpenZFS 6531 - Provide mechanism to artificially limit disk performanceTony Hutter2016-05-264-15/+11
| | | | | | | | | | | | | | | | | | | Reviewed by: Paul Dagnelie <[email protected]> Reviewed by: Matthew Ahrens <[email protected]> Reviewed by: George Wilson <[email protected]> Approved by: Dan McDonald <[email protected]> Ported by: Tony Hutter <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> OpenZFS-issue: https://www.illumos.org/issues/6531 OpenZFS-commit: https://github.com/openzfs/openzfs/commit/97e8130 Porting notes: - Added new IO delay tracepoints, and moved common ZIO tracepoint macros to a new trace_common.h file. - Used zio_delay_taskq() in place of OpenZFS's timeout_generic() function. - Updated zinject man page - Updated zpool_scrub test files
* Add request size histograms (-r) to zpool iostat, minor man page fixTony Hutter2016-05-252-3/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add -r option to "zpool iostat" to print request size histograms for the leaf ZIOs. This includes histograms of individual ZIOs ("ind") and aggregate ZIOs ("agg"). These stats can be useful for seeing how well the ZFS IO aggregator is working. $ zpool iostat -r mypool sync_read sync_write async_read async_write scrub req_size ind agg ind agg ind agg ind agg ind agg ---------- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- 512 0 0 0 0 0 0 530 0 0 0 1K 0 0 260 0 0 0 116 246 0 0 2K 0 0 0 0 0 0 0 431 0 0 4K 0 0 0 0 0 0 3 107 0 0 8K 15 0 35 0 0 0 0 6 0 0 16K 0 0 0 0 0 0 0 39 0 0 32K 0 0 0 0 0 0 0 0 0 0 64K 20 0 40 0 0 0 0 0 0 0 128K 0 0 20 0 0 0 0 0 0 0 256K 0 0 0 0 0 0 0 0 0 0 512K 0 0 0 0 0 0 0 0 0 0 1M 0 0 0 0 0 0 0 0 0 0 2M 0 0 0 0 0 0 0 0 0 0 4M 0 0 0 0 0 0 155 19 0 0 8M 0 0 0 0 0 0 0 811 0 0 16M 0 0 0 0 0 0 0 68 0 0 -------------------------------------------------------------------------------- Also rename the stray "-G" in the man page to be "-w" for latency histograms. Signed-off-by: Tony Hutter <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Signed-off-by: Tim Chase <[email protected]> Closes #4659
* Consistently use parsable instead of parseableChrister Ekholm2016-05-231-1/+1
| | | | | | | | | This is a purely cosmetical change, to consistently prefer one of two (both acceptable) choises for the word parsable in documentation and code. I don't really care which to use, but acording to wiktionary https://en.wiktionary.org/wiki/parsable#English parsable is preferred. Signed-off-by: Brian Behlendorf <[email protected]> Closes #4682
* Add -lhHpw options to "zpool iostat" for avg latency, histograms, & queuesTony Hutter2016-05-126-7/+86
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Update the zfs module to collect statistics on average latencies, queue sizes, and keep an internal histogram of all IO latencies. Along with this, update "zpool iostat" with some new options to print out the stats: -l: Include average IO latencies stats: total_wait disk_wait syncq_wait asyncq_wait scrub read write read write read write read write wait ----- ----- ----- ----- ----- ----- ----- ----- ----- - 41ms - 2ms - 46ms - 4ms - - 5ms - 1ms - 1us - 4ms - - 5ms - 1ms - 1us - 4ms - - - - - - - - - - - 49ms - 2ms - 47ms - - - - - - - - - - - - - 2ms - 1ms - - - 1ms - ----- ----- ----- ----- ----- ----- ----- ----- ----- 1ms 1ms 1ms 413us 16us 25us - 5ms - 1ms 1ms 1ms 413us 16us 25us - 5ms - 2ms 1ms 2ms 412us 26us 25us - 5ms - - 1ms - 413us - 25us - 5ms - - 1ms - 460us - 29us - 5ms - 196us 1ms 196us 370us 7us 23us - 5ms - ----- ----- ----- ----- ----- ----- ----- ----- ----- -w: Print out latency histograms: sdb total disk sync_queue async_queue latency read write read write read write read write scrub ------- ------ ------ ------ ------ ------ ------ ------ ------ ------ 1ns 0 0 0 0 0 0 0 0 0 ... 33us 0 0 0 0 0 0 0 0 0 66us 0 0 107 2486 2 788 12 12 0 131us 2 797 359 4499 10 558 184 184 6 262us 22 801 264 1563 10 286 287 287 24 524us 87 575 71 52086 15 1063 136 136 92 1ms 152 1190 5 41292 4 1693 252 252 141 2ms 245 2018 0 50007 0 2322 371 371 220 4ms 189 7455 22 162957 0 3912 6726 6726 199 8ms 108 9461 0 102320 0 5775 2526 2526 86 17ms 23 11287 0 37142 0 8043 1813 1813 19 34ms 0 14725 0 24015 0 11732 3071 3071 0 67ms 0 23597 0 7914 0 18113 5025 5025 0 134ms 0 33798 0 254 0 25755 7326 7326 0 268ms 0 51780 0 12 0 41593 10002 10002 0 537ms 0 77808 0 0 0 64255 13120 13120 0 1s 0 105281 0 0 0 83805 20841 20841 0 2s 0 88248 0 0 0 73772 14006 14006 0 4s 0 47266 0 0 0 29783 17176 17176 0 9s 0 10460 0 0 0 4130 6295 6295 0 17s 0 0 0 0 0 0 0 0 0 34s 0 0 0 0 0 0 0 0 0 69s 0 0 0 0 0 0 0 0 0 137s 0 0 0 0 0 0 0 0 0 ------------------------------------------------------------------------------- -h: Help -H: Scripted mode. Do not display headers, and separate fields by a single tab instead of arbitrary space. -q: Include current number of entries in sync & async read/write queues, and scrub queue: syncq_read syncq_write asyncq_read asyncq_write scrubq_read pend activ pend activ pend activ pend activ pend activ ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- 0 0 0 0 78 29 0 0 0 0 0 0 0 0 78 29 0 0 0 0 0 0 0 0 0 0 0 0 0 0 - - - - - - - - - - 0 0 0 0 0 0 0 0 0 0 - - - - - - - - - - 0 0 0 0 0 0 0 0 0 0 ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- 0 0 227 394 0 19 0 0 0 0 0 0 227 394 0 19 0 0 0 0 0 0 108 98 0 19 0 0 0 0 0 0 19 98 0 0 0 0 0 0 0 0 78 98 0 0 0 0 0 0 0 0 19 88 0 0 0 0 0 0 ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- -p: Display numbers in parseable (exact) values. Also, update iostat syntax to allow the user to specify specific vdevs to show statistics for. The three options for choosing pools/vdevs are: Display a list of pools: zpool iostat ... [pool ...] Display a list of vdevs from a specific pool: zpool iostat ... [pool vdev ...] Display a list of vdevs from any pools: zpool iostat ... [vdev ...] Lastly, allow zpool command "interval" value to be floating point: zpool iostat -v 0.5 Signed-off-by: Tony Hutter <[email protected] Signed-off-by: Brian Behlendorf <[email protected]> Closes #4433
* Per-vdev ZAP tests must use $ZPOOL and $ZDBBrian Behlendorf2016-05-068-29/+29
| | | | | | | | | | Commit e0ab3ab introduced new per-vdev ZAP tests which should have used the $ZPOOL and $ZDB variabled. The tests passed the automated testing since both utilities but when running in-tree all of the new tests fail. Signed-off-by: Don Brady <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #4515
* OpenZFS 6736 - ZFS per-vdev ZAPsJoe Stein2016-05-0213-0/+584
| | | | | | | | | | | | | | | | | 6736 ZFS per-vdev ZAPs Reviewed by: Matthew Ahrens <[email protected]> Reviewed by: John Kennedy <[email protected]> Reviewed by: George Wilson <[email protected]> Reviewed by: Don Brady <[email protected]> Reviewed by: Dan McDonald <[email protected]> References: https://www.illumos.org/issues/6736 https://github.com/openzfs/openzfs/commit/215198a Ported-by: Don Brady <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #4515
* Fix zfs_copies_001_pos/zfs_copies_004_negBrian Behlendorf2016-04-272-0/+5
| | | | | | | | Call block_device_wait when creating/destroying volumes in order to make the operations synchronous as expected by the test cases. Signed-off-by: Brian Behlendorf <[email protected]> Closes #4560
* Fix ZPL miswrite of default POSIX ACLNed Bass2016-04-183-2/+64
| | | | | | | | | | | | Commit 4967a3e introduced a typo that caused the ZPL to store the intended default ACL as an access ACL. Due to caching this problem may not become visible until the filesystem is remounted or the inode is evicted from the cache. Fix the typo and add a regression test. Signed-off-by: Ned Bass <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Signed-off-by: Chunwei Chen <[email protected]> Closes #4520
* remove sanity check in replacement testJinshan Xiong2016-04-133-9/+0
| | | | | | | | | | | | | In replacement test, it spawns a process to truncate a file background and make sure that the process exists 1 second later. However, the process may have finished its work and exited therefore it has the chance to report a false alarm. This patch just removed those sanity check. Signed-off-by: Jinshan Xiong <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #4516
* Make zfs test easier to run in local installJinshan Xiong2016-04-122-21/+15
| | | | | | | | | | | | | | When ZFS is installed by 'make install', programs will be installed into '/usr/local'. ZFS test scripts can't locate programs 'zpool' that caused tests failure. Fix typo in help message. Add sanity check to for ksh and generate a useful error message. Signed-off-by: Jinshan Xiong <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #4495
* Add zfs-tests for relatimeChunwei Chen2016-04-054-2/+75
| | | | | | | | | | Add atime_003_pos to test relatime=on, we do check_atime_updated twice, the first time should success and the second time should fail. We also modify atime_001_pos to do check_atime_updated twice and both times should succeed. Signed-off-by: Chunwei Chen <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #4482
* Only build devname2devid when libudev headers are availableBrian Behlendorf2016-03-311-0/+2
| | | | | | | | | Accidentally introduced by commit 39fc0cb. The devname2devid utility which depends on libudev must only be built when libudev headers are available. This is accomplished through an AM_CONDITIONAL. Signed-off-by: Brian Behlendorf <[email protected]> Issue #4416
* Add support for devid and phys_path keys in vdev disk labelsDon Brady2016-03-312-55/+94
| | | | | | | | | | | | | | | | | | | | | | | | | | | This is foundational work for ZED. Updates a leaf vdev's persistent device strings on Linux platform * only applies for a dedicated leaf vdev (aka whole disk) * updated during pool create|add|attach|import * used for matching device matching during auto-{online,expand,replace} * stored in a leaf disk config label (i.e. alongside 'path' NVP) * can opt-out using env var ZFS_VDEV_DEVID_OPT_OUT=YES Some examples: path: '/dev/sdb1' devid: 'scsi-350000394a8ca4fbc-part1' phys_path: 'pci-0000:04:00.0-sas-0x50000394a8ca4fbf-lun-0' path: '/dev/mapper/mpatha' devid: 'dm-uuid-mpath-35000c5006304de3f' Signed-off-by: Don Brady <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #2856 Closes #3978 Closes #4416
* Expand EDQUOT variableAndriy Gapon2016-03-311-3/+3
| | | | | | | | | | Results in failures with ksh version 93v- 2014-06-25. This appears to not be an issue with ksh version 93u+ 2012-08-01. The expanded versions works correctly for both. Signed-off-by: Andriy Gapon <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #4452
* Fix zpool_scrub_* test casesBrian Behlendorf2016-03-304-4/+24
| | | | | | | | | | | | | The zpool_scrub_002, zpool_scrub_003, zpool_scrub_004 test cases fail reliably when running against small pools or fast storage. This occurs because the scrub/resilver operation completes before subsequent commands can be run. A one second delay has been added to 10% of zio's in order to ensure the scrub/resilver operation will run for at least several seconds. Signed-off-by: Brian Behlendorf <[email protected]> Closes #4450
* write_dirs: set_partition expects zero-based partition indecesAndriy Gapon2016-03-251-1/+4
| | | | | | | | ... despite partition names based 1-based. Signed-off-by: Andriy Gapon <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #4446
* zfs_copies: do_vol_test must wait for deviceBrian Behlendorf2016-03-251-0/+2
| | | | | | | Occasionally zfs_copies_* tests which rely on do_vol_test() will fail because udev hasn't yet created the minor device. Wait for it. Signed-off-by: Brian Behlendorf <[email protected]>
* Fix zdb -e and zhack thread_init()Brian Behlendorf2016-03-211-16/+14
| | | | | | | | | | | | | | | | | This issue was caused by calling `thread_init()` and `thread_fini()` multiple times resulting in `kthread_key` being invalid. To resolve the issue the explicit calls to `thread_init()` and `thread_fini()` required by the `zpool` command have been moved in to the command. Consumers such as `zdb` and `zhack` perform the same initialized through `kernel_init()` and `kernel_fini()`. Resolving this issue allows multiple additional test cases to be enabled. Signed-off-by: Brian Behlendorf <[email protected]> Signed-off-by: Signed-off-by: Chunwei Chen <[email protected]> Signed-off-by: Tim Chase <[email protected]> Closes #4331
* Disable zpool_add_004_pos test caseBrian Behlendorf2016-03-171-1/+1
| | | | | | | This test case add a zvol to as a vdev to an existing pool. This use case is currently known to be racy. Signed-off-by: Brian Behlendorf <[email protected]>
* Add the ZFS Test SuiteBrian Behlendorf2016-03-161228-0/+88729
Add the ZFS Test Suite and test-runner framework from illumos. This is a continuation of the work done by Turbo Fredriksson to port the ZFS Test Suite to Linux. While this work was originally conceived as a stand alone project integrating it directly with the ZoL source tree has several advantages: * Allows the ZFS Test Suite to be packaged in zfs-test package. * Facilitates easy integration with the CI testing. * Users can locally run the ZFS Test Suite to validate ZFS. This testing should ONLY be done on a dedicated test system because the ZFS Test Suite in its current form is destructive. * Allows the ZFS Test Suite to be run directly in the ZoL source tree enabled developers to iterate quickly during development. * Developers can easily add/modify tests in the framework as features are added or functionality is changed. The tests will then always be in sync with the implementation. Full documentation for how to run the ZFS Test Suite is available in the tests/README.md file. Warning: This test suite is designed to be run on a dedicated test system. It will make modifications to the system including, but not limited to, the following. * Adding new users * Adding new groups * Modifying the following /proc files: * /proc/sys/kernel/core_pattern * /proc/sys/kernel/core_uses_pid * Creating directories under / Notes: * Not all of the test cases are expected to pass and by default these test cases are disabled. The failures are primarily due to assumption made for illumos which are invalid under Linux. * When updating these test cases it should be done in as generic a way as possible so the patch can be submitted back upstream. Most existing library functions have been updated to be Linux aware, and the following functions and variables have been added. * Functions: * is_linux - Used to wrap a Linux specific section. * block_device_wait - Waits for block devices to be added to /dev/. * Variables: Linux Illumos * ZVOL_DEVDIR "/dev/zvol" "/dev/zvol/dsk" * ZVOL_RDEVDIR "/dev/zvol" "/dev/zvol/rdsk" * DEV_DSKDIR "/dev" "/dev/dsk" * DEV_RDSKDIR "/dev" "/dev/rdsk" * NEWFS_DEFAULT_FS "ext2" "ufs" * Many of the disabled test cases fail because 'zfs/zpool destroy' returns EBUSY. This is largely causes by the asynchronous nature of device handling on Linux and is expected, the impacted test cases will need to be updated to handle this. * There are several test cases which have been disabled because they can trigger a deadlock. A primary example of this is to recursively create zpools within zpools. These tests have been disabled until the root issue can be addressed. * Illumos specific utilities such as (mkfile) should be added to the tests/zfs-tests/cmd/ directory. Custom programs required by the test scripts can also be added here. * SELinux should be either is permissive mode or disabled when running the tests. The test cases should be updated to conform to a standard policy. * Redundant test functionality has been removed (zfault.sh). * Existing test scripts (zconfig.sh) should be migrated to use the framework for consistency and ease of testing. * The DISKS environment variable currently only supports loopback devices because of how the ZFS Test Suite expects partitions to be named (p1, p2, etc). Support must be added to generate the correct partition name based on the device location and name. * The ZFS Test Suite is part of the illumos code base at: https://github.com/illumos/illumos-gate/tree/master/usr/src/test Original-patch-by: Turbo Fredriksson <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Signed-off-by: Olaf Faaland <[email protected]> Closes #6 Closes #1534
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