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cbe882298e
Slow disk response times can be indicative of a failing drive. ZFS currently tracks slow I/Os (slower than zio_slow_io_ms) and generates events (ereport.fs.zfs.delay). However, no action is taken by ZED, like is done for checksum or I/O errors. This change adds slow disk diagnosis to ZED which is opt-in using new VDEV properties: VDEV_PROP_SLOW_IO_N VDEV_PROP_SLOW_IO_T If multiple VDEVs in a pool are undergoing slow I/Os, then it skips the zpool_vdev_degrade(). Sponsored-By: OpenDrives Inc. Sponsored-By: Klara Inc. Reviewed-by: Tony Hutter <hutter2@llnl.gov> Reviewed-by: Allan Jude <allan@klarasystems.com> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Co-authored-by: Rob Wing <rob.wing@klarasystems.com> Signed-off-by: Don Brady <don.brady@klarasystems.com> Closes #15469
138 lines
6.0 KiB
C
138 lines
6.0 KiB
C
/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License (the "License").
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* You may not use this file except in compliance with the License.
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*
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* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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* or https://opensource.org/licenses/CDDL-1.0.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information: Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*/
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/*
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* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
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* Use is subject to license terms.
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*/
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/*
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* Copyright (c) 2020 by Delphix. All rights reserved.
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*/
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#ifndef _SYS_FM_FS_ZFS_H
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#define _SYS_FM_FS_ZFS_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define ZFS_ERROR_CLASS "fs.zfs"
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#define FM_EREPORT_ZFS_CHECKSUM "checksum"
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#define FM_EREPORT_ZFS_AUTHENTICATION "authentication"
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#define FM_EREPORT_ZFS_IO "io"
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#define FM_EREPORT_ZFS_DATA "data"
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#define FM_EREPORT_ZFS_DELAY "delay"
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#define FM_EREPORT_ZFS_DEADMAN "deadman"
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#define FM_EREPORT_ZFS_POOL "zpool"
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#define FM_EREPORT_ZFS_DEVICE_UNKNOWN "vdev.unknown"
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#define FM_EREPORT_ZFS_DEVICE_OPEN_FAILED "vdev.open_failed"
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#define FM_EREPORT_ZFS_DEVICE_CORRUPT_DATA "vdev.corrupt_data"
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#define FM_EREPORT_ZFS_DEVICE_NO_REPLICAS "vdev.no_replicas"
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#define FM_EREPORT_ZFS_DEVICE_BAD_GUID_SUM "vdev.bad_guid_sum"
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#define FM_EREPORT_ZFS_DEVICE_TOO_SMALL "vdev.too_small"
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#define FM_EREPORT_ZFS_DEVICE_BAD_LABEL "vdev.bad_label"
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#define FM_EREPORT_ZFS_DEVICE_BAD_ASHIFT "vdev.bad_ashift"
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#define FM_EREPORT_ZFS_IO_FAILURE "io_failure"
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#define FM_EREPORT_ZFS_PROBE_FAILURE "probe_failure"
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#define FM_EREPORT_ZFS_LOG_REPLAY "log_replay"
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#define FM_EREPORT_ZFS_CONFIG_CACHE_WRITE "config_cache_write"
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#define FM_EREPORT_PAYLOAD_ZFS_POOL "pool"
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#define FM_EREPORT_PAYLOAD_ZFS_POOL_FAILMODE "pool_failmode"
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#define FM_EREPORT_PAYLOAD_ZFS_POOL_GUID "pool_guid"
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#define FM_EREPORT_PAYLOAD_ZFS_POOL_CONTEXT "pool_context"
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#define FM_EREPORT_PAYLOAD_ZFS_POOL_STATE "pool_state"
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#define FM_EREPORT_PAYLOAD_ZFS_VDEV_GUID "vdev_guid"
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#define FM_EREPORT_PAYLOAD_ZFS_VDEV_TYPE "vdev_type"
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#define FM_EREPORT_PAYLOAD_ZFS_VDEV_PATH "vdev_path"
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#define FM_EREPORT_PAYLOAD_ZFS_VDEV_PHYSPATH "vdev_physpath"
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#define FM_EREPORT_PAYLOAD_ZFS_VDEV_ENC_SYSFS_PATH "vdev_enc_sysfs_path"
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#define FM_EREPORT_PAYLOAD_ZFS_VDEV_DEVID "vdev_devid"
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#define FM_EREPORT_PAYLOAD_ZFS_VDEV_FRU "vdev_fru"
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#define FM_EREPORT_PAYLOAD_ZFS_VDEV_STATE "vdev_state"
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#define FM_EREPORT_PAYLOAD_ZFS_VDEV_LASTSTATE "vdev_laststate"
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#define FM_EREPORT_PAYLOAD_ZFS_VDEV_ASHIFT "vdev_ashift"
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#define FM_EREPORT_PAYLOAD_ZFS_VDEV_COMP_TS "vdev_complete_ts"
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#define FM_EREPORT_PAYLOAD_ZFS_VDEV_DELTA_TS "vdev_delta_ts"
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#define FM_EREPORT_PAYLOAD_ZFS_VDEV_SPARE_PATHS "vdev_spare_paths"
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#define FM_EREPORT_PAYLOAD_ZFS_VDEV_SPARE_GUIDS "vdev_spare_guids"
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#define FM_EREPORT_PAYLOAD_ZFS_VDEV_READ_ERRORS "vdev_read_errors"
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#define FM_EREPORT_PAYLOAD_ZFS_VDEV_WRITE_ERRORS "vdev_write_errors"
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#define FM_EREPORT_PAYLOAD_ZFS_VDEV_CKSUM_ERRORS "vdev_cksum_errors"
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#define FM_EREPORT_PAYLOAD_ZFS_VDEV_CKSUM_N "vdev_cksum_n"
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#define FM_EREPORT_PAYLOAD_ZFS_VDEV_CKSUM_T "vdev_cksum_t"
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#define FM_EREPORT_PAYLOAD_ZFS_VDEV_IO_N "vdev_io_n"
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#define FM_EREPORT_PAYLOAD_ZFS_VDEV_IO_T "vdev_io_t"
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#define FM_EREPORT_PAYLOAD_ZFS_VDEV_SLOW_IO_N "vdev_slow_io_n"
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#define FM_EREPORT_PAYLOAD_ZFS_VDEV_SLOW_IO_T "vdev_slow_io_t"
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#define FM_EREPORT_PAYLOAD_ZFS_VDEV_DELAYS "vdev_delays"
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#define FM_EREPORT_PAYLOAD_ZFS_PARENT_GUID "parent_guid"
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#define FM_EREPORT_PAYLOAD_ZFS_PARENT_TYPE "parent_type"
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#define FM_EREPORT_PAYLOAD_ZFS_PARENT_PATH "parent_path"
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#define FM_EREPORT_PAYLOAD_ZFS_PARENT_DEVID "parent_devid"
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#define FM_EREPORT_PAYLOAD_ZFS_ZIO_OBJSET "zio_objset"
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#define FM_EREPORT_PAYLOAD_ZFS_ZIO_OBJECT "zio_object"
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#define FM_EREPORT_PAYLOAD_ZFS_ZIO_LEVEL "zio_level"
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#define FM_EREPORT_PAYLOAD_ZFS_ZIO_BLKID "zio_blkid"
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#define FM_EREPORT_PAYLOAD_ZFS_ZIO_ERR "zio_err"
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#define FM_EREPORT_PAYLOAD_ZFS_ZIO_OFFSET "zio_offset"
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#define FM_EREPORT_PAYLOAD_ZFS_ZIO_SIZE "zio_size"
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#define FM_EREPORT_PAYLOAD_ZFS_ZIO_FLAGS "zio_flags"
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#define FM_EREPORT_PAYLOAD_ZFS_ZIO_STAGE "zio_stage"
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#define FM_EREPORT_PAYLOAD_ZFS_ZIO_PRIORITY "zio_priority"
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#define FM_EREPORT_PAYLOAD_ZFS_ZIO_PIPELINE "zio_pipeline"
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#define FM_EREPORT_PAYLOAD_ZFS_ZIO_DELAY "zio_delay"
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#define FM_EREPORT_PAYLOAD_ZFS_ZIO_TIMESTAMP "zio_timestamp"
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#define FM_EREPORT_PAYLOAD_ZFS_ZIO_DELTA "zio_delta"
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#define FM_EREPORT_PAYLOAD_ZFS_PREV_STATE "prev_state"
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#define FM_EREPORT_PAYLOAD_ZFS_CKSUM_ALGO "cksum_algorithm"
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#define FM_EREPORT_PAYLOAD_ZFS_CKSUM_BYTESWAP "cksum_byteswap"
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#define FM_EREPORT_PAYLOAD_ZFS_BAD_OFFSET_RANGES "bad_ranges"
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#define FM_EREPORT_PAYLOAD_ZFS_BAD_RANGE_MIN_GAP "bad_ranges_min_gap"
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#define FM_EREPORT_PAYLOAD_ZFS_BAD_RANGE_SETS "bad_range_sets"
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#define FM_EREPORT_PAYLOAD_ZFS_BAD_RANGE_CLEARS "bad_range_clears"
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#define FM_EREPORT_PAYLOAD_ZFS_BAD_SET_BITS "bad_set_bits"
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#define FM_EREPORT_PAYLOAD_ZFS_BAD_CLEARED_BITS "bad_cleared_bits"
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#define FM_EREPORT_PAYLOAD_ZFS_SNAPSHOT_NAME "snapshot_name"
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#define FM_EREPORT_PAYLOAD_ZFS_DEVICE_NAME "device_name"
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#define FM_EREPORT_PAYLOAD_ZFS_RAW_DEVICE_NAME "raw_name"
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#define FM_EREPORT_PAYLOAD_ZFS_VOLUME "volume"
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#define FM_EREPORT_FAILMODE_WAIT "wait"
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#define FM_EREPORT_FAILMODE_CONTINUE "continue"
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#define FM_EREPORT_FAILMODE_PANIC "panic"
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#define FM_RESOURCE_REMOVED "removed"
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#define FM_RESOURCE_AUTOREPLACE "autoreplace"
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#define FM_RESOURCE_STATECHANGE "statechange"
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#define FM_RESOURCE_ZFS_SNAPSHOT_MOUNT "snapshot_mount"
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#define FM_RESOURCE_ZFS_SNAPSHOT_UNMOUNT "snapshot_unmount"
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#define FM_RESOURCE_ZVOL_CREATE_SYMLINK "zvol_create"
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#define FM_RESOURCE_ZVOL_REMOVE_SYMLINK "zvol_remove"
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#ifdef __cplusplus
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}
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#endif
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#endif /* _SYS_FM_FS_ZFS_H */
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