------------------------------------------------------------------------ ZFS Subsystem Report Sat May 13 00:57:55 2017 ------------------------------------------------------------------------ System Information: Kernel Version: 1003000 (osreldate) Hardware Platform: amd64 Processor Architecture: amd64 ZFS Storage pool Version: 5000 ZFS Filesystem Version: 5 FreeBSD 10.3-RELEASE-p19 #0 r318183M: Thu May 11 23:59:27 MSK 2017 root 0:57 up 1 day, 45 mins, 5 users, load averages: 0,43 0,46 0,48 ------------------------------------------------------------------------ System Memory: 0.01% 31.30 MiB Active, 0.25% 644.25 MiB Inact 78.70% 196.26 GiB Wired, 0.00% 0 Cache 21.04% 52.46 GiB Free, 0.00% 0 Gap Real Installed: 256.00 GiB Real Available: 99.98% 255.95 GiB Real Managed: 97.43% 249.39 GiB Logical Total: 256.00 GiB Logical Used: 79.26% 202.91 GiB Logical Free: 20.74% 53.09 GiB Kernel Memory: 1.42 GiB Data: 99.10% 1.41 GiB Text: 0.90% 13.08 MiB Kernel Memory Map: 249.39 GiB Size: 76.96% 191.93 GiB Free: 23.04% 57.46 GiB ------------------------------------------------------------------------ ARC Summary: (HEALTHY) Memory Throttle Count: 0 ARC Misc: Deleted: 3.45m Recycle Misses: 0 Mutex Misses: 374 Evict Skips: 322 ARC Size: 77.30% 192.01 GiB Target Size: (Adaptive) 77.30% 192.00 GiB Min Size (Hard Limit): 77.30% 192.00 GiB Max Size (High Water): 1:1 248.39 GiB ARC Size Breakdown: Recently Used Cache Size: 40.59% 77.93 GiB Frequently Used Cache Size: 59.41% 114.08 GiB ARC Hash Breakdown: Elements Max: 3.55m Elements Current: 99.92% 3.54m Collisions: 495.17k Chain Max: 4 Chains: 173.37k ------------------------------------------------------------------------ ARC Efficiency: 58.22m Cache Hit Ratio: 32.26% 18.78m Cache Miss Ratio: 67.74% 39.44m Actual Hit Ratio: 32.16% 18.72m Data Demand Efficiency: 76.42% 19.20m CACHE HITS BY CACHE LIST: Most Recently Used: 55.31% 10.39m Most Frequently Used: 44.37% 8.34m Most Recently Used Ghost: 0.56% 105.38k Most Frequently Used Ghost: 0.65% 122.68k CACHE HITS BY DATA TYPE: Demand Data: 78.13% 14.68m Prefetch Data: 0.00% 0 Demand Metadata: 20.58% 3.87m Prefetch Metadata: 1.29% 243.00k CACHE MISSES BY DATA TYPE: Demand Data: 11.48% 4.53m Prefetch Data: 0.00% 0 Demand Metadata: 88.36% 34.85m Prefetch Metadata: 0.16% 62.51k ------------------------------------------------------------------------ L2 ARC Summary: (HEALTHY) Passed Headroom: 183.03k Tried Lock Failures: 18.82k IO In Progress: 0 Low Memory Aborts: 1 Free on Write: 474 Writes While Full: 16.19k R/W Clashes: 0 Bad Checksums: 0 IO Errors: 0 SPA Mismatch: 233.65m L2 ARC Size: (Adaptive) 1.68 TiB Header Size: 0.01% 253.34 MiB L2 ARC Evicts: Lock Retries: 8 Upon Reading: 0 L2 ARC Breakdown: 39.43m Hit Ratio: 1.28% 502.89k Miss Ratio: 98.72% 38.93m Feeds: 103.36k L2 ARC Buffer: Bytes Scanned: 86.33 TiB Buffer Iterations: 103.36k List Iterations: 409.45k NULL List Iterations: 2 L2 ARC Writes: Writes Sent: 100.00% 51.88k ------------------------------------------------------------------------ ------------------------------------------------------------------------ VDEV cache is disabled ------------------------------------------------------------------------ ZFS Tunables (sysctl): kern.maxusers 16717 vm.kmem_size 267777855488 vm.kmem_size_scale 1 vm.kmem_size_min 0 vm.kmem_size_max 1319413950874 vfs.zfs.trim.max_interval 1 vfs.zfs.trim.timeout 30 vfs.zfs.trim.txg_delay 32 vfs.zfs.trim.enabled 0 vfs.zfs.vol.unmap_enabled 1 vfs.zfs.vol.mode 1 vfs.zfs.version.zpl 5 vfs.zfs.version.spa 5000 vfs.zfs.version.acl 1 vfs.zfs.version.ioctl 5 vfs.zfs.debug 0 vfs.zfs.super_owner 0 vfs.zfs.sync_pass_rewrite 2 vfs.zfs.sync_pass_dont_compress 5 vfs.zfs.sync_pass_deferred_free 2 vfs.zfs.zio.exclude_metadata 0 vfs.zfs.zio.use_uma 1 vfs.zfs.cache_flush_disable 0 vfs.zfs.zil_replay_disable 0 vfs.zfs.min_auto_ashift 12 vfs.zfs.max_auto_ashift 13 vfs.zfs.vdev.trim_max_pending 10000 vfs.zfs.vdev.bio_delete_disable 0 vfs.zfs.vdev.bio_flush_disable 0 vfs.zfs.vdev.write_gap_limit 4096 vfs.zfs.vdev.read_gap_limit 32768 vfs.zfs.vdev.aggregation_limit 131072 vfs.zfs.vdev.trim_max_active 64 vfs.zfs.vdev.trim_min_active 1 vfs.zfs.vdev.scrub_max_active 2 vfs.zfs.vdev.scrub_min_active 1 vfs.zfs.vdev.async_write_max_active 10 vfs.zfs.vdev.async_write_min_active 1 vfs.zfs.vdev.async_read_max_active 3 vfs.zfs.vdev.async_read_min_active 1 vfs.zfs.vdev.sync_write_max_active 10 vfs.zfs.vdev.sync_write_min_active 10 vfs.zfs.vdev.sync_read_max_active 10 vfs.zfs.vdev.sync_read_min_active 10 vfs.zfs.vdev.max_active 1000 vfs.zfs.vdev.async_write_active_max_dirty_percent60 vfs.zfs.vdev.async_write_active_min_dirty_percent30 vfs.zfs.vdev.mirror.non_rotating_seek_inc1 vfs.zfs.vdev.mirror.non_rotating_inc 0 vfs.zfs.vdev.mirror.rotating_seek_offset1048576 vfs.zfs.vdev.mirror.rotating_seek_inc 5 vfs.zfs.vdev.mirror.rotating_inc 0 vfs.zfs.vdev.trim_on_init 1 vfs.zfs.vdev.cache.bshift 16 vfs.zfs.vdev.cache.size 0 vfs.zfs.vdev.cache.max 16384 vfs.zfs.vdev.metaslabs_per_vdev 200 vfs.zfs.txg.timeout 10 vfs.zfs.space_map_blksz 4096 vfs.zfs.spa_slop_shift 5 vfs.zfs.spa_asize_inflation 24 vfs.zfs.deadman_enabled 1 vfs.zfs.deadman_checktime_ms 5000 vfs.zfs.deadman_synctime_ms 1000000 vfs.zfs.recover 0 vfs.zfs.spa_load_verify_data 1 vfs.zfs.spa_load_verify_metadata 1 vfs.zfs.spa_load_verify_maxinflight 10000 vfs.zfs.check_hostid 1 vfs.zfs.mg_fragmentation_threshold 85 vfs.zfs.mg_noalloc_threshold 0 vfs.zfs.condense_pct 200 vfs.zfs.metaslab.bias_enabled 1 vfs.zfs.metaslab.lba_weighting_enabled 1 vfs.zfs.metaslab.fragmentation_factor_enabled1 vfs.zfs.metaslab.preload_enabled 1 vfs.zfs.metaslab.preload_limit 3 vfs.zfs.metaslab.unload_delay 8 vfs.zfs.metaslab.load_pct 50 vfs.zfs.metaslab.min_alloc_size 33554432 vfs.zfs.metaslab.df_free_pct 4 vfs.zfs.metaslab.df_alloc_threshold 131072 vfs.zfs.metaslab.debug_unload 0 vfs.zfs.metaslab.debug_load 0 vfs.zfs.metaslab.fragmentation_threshold70 vfs.zfs.metaslab.gang_bang 16777217 vfs.zfs.free_bpobj_enabled 1 vfs.zfs.free_max_blocks -1 vfs.zfs.no_scrub_prefetch 0 vfs.zfs.no_scrub_io 0 vfs.zfs.resilver_min_time_ms 3000 vfs.zfs.free_min_time_ms 1000 vfs.zfs.scan_min_time_ms 1000 vfs.zfs.scan_idle 50 vfs.zfs.scrub_delay 4 vfs.zfs.resilver_delay 2 vfs.zfs.top_maxinflight 288 vfs.zfs.zfetch.array_rd_sz 1048576 vfs.zfs.zfetch.max_distance 8388608 vfs.zfs.zfetch.min_sec_reap 2 vfs.zfs.zfetch.max_streams 24 vfs.zfs.prefetch_disable 1 vfs.zfs.delay_scale 500000 vfs.zfs.delay_min_dirty_percent 60 vfs.zfs.dirty_data_sync 67108864 vfs.zfs.dirty_data_max_percent 10 vfs.zfs.dirty_data_max_max 4294967296 vfs.zfs.dirty_data_max 4294967296 vfs.zfs.max_recordsize 1048576 vfs.zfs.mdcomp_disable 0 vfs.zfs.nopwrite_enabled 1 vfs.zfs.dedup.prefetch 1 vfs.zfs.arc_reap_delay_min 200 vfs.zfs.arc_cache_reapings_skipped 4975 vfs.zfs.l2c_only_size 0 vfs.zfs.mfu_ghost_data_lsize 77168122368 vfs.zfs.mfu_ghost_metadata_lsize 0 vfs.zfs.mfu_ghost_size 77168122368 vfs.zfs.mfu_data_lsize 127637515776 vfs.zfs.mfu_metadata_lsize 505489408 vfs.zfs.mfu_size 128384509440 vfs.zfs.mru_ghost_data_lsize 128990006784 vfs.zfs.mru_ghost_metadata_lsize 0 vfs.zfs.mru_ghost_size 128990006784 vfs.zfs.mru_data_lsize 75566127616 vfs.zfs.mru_metadata_lsize 638375424 vfs.zfs.mru_size 76592855040 vfs.zfs.anon_data_lsize 0 vfs.zfs.anon_metadata_lsize 0 vfs.zfs.anon_size 5431808 vfs.zfs.l2arc_norw 1 vfs.zfs.l2arc_feed_again 1 vfs.zfs.l2arc_noprefetch 0 vfs.zfs.l2arc_feed_min_ms 200 vfs.zfs.l2arc_feed_secs 1 vfs.zfs.l2arc_headroom 4 vfs.zfs.l2arc_write_boost 174063616 vfs.zfs.l2arc_write_max 87031808 vfs.zfs.arc_meta_limit 66676028416 vfs.zfs.arc_free_target 922966 vfs.zfs.arc_wakeup_delay 500 vfs.zfs.arc_wakeup_pager 1025517 vfs.zfs.dynamic_write_buffer 1 vfs.zfs.arc_shrink_shift 7 vfs.zfs.arc_average_blocksize 8192 vfs.zfs.arc_min 206158430208 vfs.zfs.arc_max 266704113664 ------------------------------------------------------------------------