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tudasbazis:linux:zfs:nyomozas
Különbségek
A kiválasztott változat és az aktuális verzió közötti különbségek a következők.
| Előző változat mindkét oldalon Előző változat | |||
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tudasbazis:linux:zfs:nyomozas [2021.12.15 09:52] tia |
tudasbazis:linux:zfs:nyomozas [2024.07.29 12:11] (aktuális) tia |
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|---|---|---|---|
| Sor 1: | Sor 1: | ||
| + | ====== ZFS Nyomozás ====== | ||
| + | ===== Pool állapotának lekérdezése ===== | ||
| + | * <code bash> | ||
| + | zpool status -stvD | ||
| + | </code><code> | ||
| + | pool: backup_pool | ||
| + | state: ONLINE | ||
| + | scan: none requested | ||
| + | config: | ||
| + | |||
| + | NAME STATE READ WRITE CKSUM SLOW | ||
| + | backup_pool ONLINE 0 0 0 - | ||
| + | mirror-0 ONLINE 0 0 0 - | ||
| + | ata-WDC_WD60EZAZ-00SF3B0_WD-WX22D51FH5N3-part1 ONLINE 0 0 0 0 (untrimmed) | ||
| + | ata-WDC_WD60EZAZ-00SF3B0_WD-WX42D611KJ3K-part1 ONLINE 0 0 0 0 (untrimmed) | ||
| + | logs | ||
| + | mirror-1 ONLINE 0 0 0 - | ||
| + | nvme-Samsung_SSD_970_EVO_Plus_250GB_S4EUNX0R937831T-part4 ONLINE 0 0 0 0 (untrimmed) | ||
| + | nvme-Samsung_SSD_970_EVO_Plus_250GB_S4EUNX0R937938H-part4 ONLINE 0 0 0 0 (untrimmed) | ||
| + | cache | ||
| + | nvme-Samsung_SSD_970_EVO_Plus_250GB_S4EUNX0R937831T-part3 ONLINE 0 0 0 0 (untrimmed) | ||
| + | nvme-Samsung_SSD_970_EVO_Plus_250GB_S4EUNX0R937938H-part3 ONLINE 0 0 0 0 (untrimmed) | ||
| + | |||
| + | errors: No known data errors | ||
| + | |||
| + | pool: data_pool | ||
| + | state: ONLINE | ||
| + | scan: scrub repaired 0B in 0 days 00:40:26 with 0 errors on Sun Dec 12 01:04:27 2021 | ||
| + | config: | ||
| + | |||
| + | NAME STATE READ WRITE CKSUM SLOW | ||
| + | data_pool ONLINE 0 0 0 - | ||
| + | mirror-0 ONLINE 0 0 0 - | ||
| + | ata-WDC_WD1005FBYZ-01YCBB2_WD-WMC6M0D0NFEE-part1 ONLINE 0 0 0 0 (trim unsupported) | ||
| + | ata-WDC_WD1005FBYZ-01YCBB2_WD-WMC6N0L2TXDR-part1 ONLINE 0 0 0 0 (trim unsupported) | ||
| + | logs | ||
| + | mirror-1 ONLINE 0 0 0 - | ||
| + | nvme-Samsung_SSD_970_EVO_Plus_250GB_S4EUNX0R937831T-part2 ONLINE 0 0 0 0 (untrimmed) | ||
| + | nvme-Samsung_SSD_970_EVO_Plus_250GB_S4EUNX0R937938H-part2 ONLINE 0 0 0 0 (untrimmed) | ||
| + | cache | ||
| + | nvme-Samsung_SSD_970_EVO_Plus_250GB_S4EUNX0R937831T-part1 ONLINE 0 0 0 0 (untrimmed) | ||
| + | nvme-Samsung_SSD_970_EVO_Plus_250GB_S4EUNX0R937938H-part1 ONLINE 0 0 0 0 (untrimmed) | ||
| + | |||
| + | errors: No known data errors | ||
| + | </code> | ||
| + | |||
| + | |||
| + | ===== Cachek állapotának lekérdezése ===== | ||
| + | * Minden olvasási cache infó: <code bash> | ||
| + | arc_summary | ||
| + | </code> | ||
| + | * Olvasási L1 cache (RAM): <code bash> | ||
| + | arc_summary -s arc | ||
| + | </code><code> | ||
| + | ------------------------------------------------------------------------ | ||
| + | ZFS Subsystem Report Wed Dec 15 09:48:44 2021 | ||
| + | Linux 5.4.0-91-generic 0.8.3-1ubuntu12.13 | ||
| + | Machine: server (x86_64) 0.8.3-1ubuntu12.13 | ||
| + | |||
| + | ARC status: HEALTHY | ||
| + | Memory throttle count: 0 | ||
| + | |||
| + | ARC size (current): 99.0 % 9.2 GiB | ||
| + | Target size (adaptive): 100.0 % 9.3 GiB | ||
| + | Min size (hard limit): 20.0 % 1.9 GiB | ||
| + | Max size (high water): 5:1 9.3 GiB | ||
| + | Most Frequently Used (MFU) cache size: 3.9 % 346.4 MiB | ||
| + | Most Recently Used (MRU) cache size: 96.1 % 8.4 GiB | ||
| + | Metadata cache size (hard limit): 75.0 % 7.0 GiB | ||
| + | Metadata cache size (current): 9.8 % 702.1 MiB | ||
| + | Dnode cache size (hard limit): 10.0 % 715.3 MiB | ||
| + | Dnode cache size (current): 17.4 % 124.6 MiB | ||
| + | |||
| + | ARC hash breakdown: | ||
| + | Elements max: 1.5M | ||
| + | Elements current: 92.1 % 1.4M | ||
| + | Collisions: 3.1M | ||
| + | Chain max: 6 | ||
| + | Chains: 182.2k | ||
| + | |||
| + | ARC misc: | ||
| + | Deleted: 10.6M | ||
| + | Mutex misses: 253 | ||
| + | Eviction skips: 32.2k | ||
| + | </code> | ||
| + | * Olvasási L2 cache (disk) <code bash> | ||
| + | arc_summary -s l2arc | ||
| + | </code><code> | ||
| + | ------------------------------------------------------------------------ | ||
| + | ZFS Subsystem Report Wed Dec 15 09:48:57 2021 | ||
| + | Linux 5.4.0-91-generic 0.8.3-1ubuntu12.13 | ||
| + | Machine: server (x86_64) 0.8.3-1ubuntu12.13 | ||
| + | |||
| + | L2ARC status: HEALTHY | ||
| + | Low memory aborts: 0 | ||
| + | Free on write: 2.9k | ||
| + | R/W clashes: 0 | ||
| + | Bad checksums: 0 | ||
| + | I/O errors: 0 | ||
| + | |||
| + | L2ARC size (adaptive): 154.0 GiB | ||
| + | Compressed: 79.2 % 121.9 GiB | ||
| + | Header size: 0.1 % 109.0 MiB | ||
| + | |||
| + | L2ARC breakdown: 3.6M | ||
| + | Hit ratio: 4.2 % 151.2k | ||
| + | Miss ratio: 95.8 % 3.4M | ||
| + | Feeds: 46.8k | ||
| + | |||
| + | L2ARC writes: | ||
| + | Writes sent: 100 % 23.2 KiB | ||
| + | |||
| + | L2ARC evicts: | ||
| + | Lock retries: 11 | ||
| + | Upon reading: 0 | ||
| + | </code> | ||
| + | * Olvasás cache-elésének sikeressége: <code bash> | ||
| + | arc_summary -s archits | ||
| + | </code><code> | ||
| + | ------------------------------------------------------------------------ | ||
| + | ZFS Subsystem Report Wed Dec 15 09:49:07 2021 | ||
| + | Linux 5.4.0-91-generic 0.8.3-1ubuntu12.13 | ||
| + | Machine: server (x86_64) 0.8.3-1ubuntu12.13 | ||
| + | |||
| + | ARC total accesses (hits + misses): 47.4M | ||
| + | Cache hit ratio: 92.5 % 43.8M | ||
| + | Cache miss ratio: 7.5 % 3.6M | ||
| + | Actual hit ratio (MFU + MRU hits): 92.3 % 43.7M | ||
| + | Data demand efficiency: 77.5 % 3.9M | ||
| + | Data prefetch efficiency: 1.9 % 2.4M | ||
| + | |||
| + | Cache hits by cache type: | ||
| + | Most frequently used (MFU): 87.7 % 38.4M | ||
| + | Most recently used (MRU): 12.0 % 5.3M | ||
| + | Most frequently used (MFU) ghost: 0.3 % 134.7k | ||
| + | Most recently used (MRU) ghost: 0.2 % 78.4k | ||
| + | |||
| + | Cache hits by data type: | ||
| + | Demand data: 6.9 % 3.0M | ||
| + | Demand prefetch data: 0.1 % 45.3k | ||
| + | Demand metadata: 92.6 % 40.6M | ||
| + | Demand prefetch metadata: 0.4 % 167.1k | ||
| + | |||
| + | Cache misses by data type: | ||
| + | Demand data: 24.8 % 882.0k | ||
| + | Demand prefetch data: 66.5 % 2.4M | ||
| + | Demand metadata: 6.5 % 231.8k | ||
| + | Demand prefetch metadata: 2.2 % 79.3k | ||
| + | </code> | ||
| + | |||
| + | |||
| + | ===== OI Stat ===== | ||
| + | * Pillanatnyi IO állapot: <code bash> | ||
| + | zpool iostat -vly 1 | ||
| + | </code><code> | ||
| + | capacity operations bandwidth total_wait disk_wait syncq_wait asyncq_wait scrub trim | ||
| + | pool alloc free read write read write read write read write read write read write wait wait | ||
| + | ------------------------------------------------------------- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- | ||
| + | backup_pool 893G 4.58T 0 0 0 0 - - - - - - - - - - | ||
| + | mirror 893G 4.58T 0 0 0 0 - - - - - - - - - - | ||
| + | ata-WDC_WD60EZAZ-00SF3B0_WD-WX22D51FH5N3-part1 - - 0 0 0 0 - - - - - - - - - - | ||
| + | ata-WDC_WD60EZAZ-00SF3B0_WD-WX42D611KJ3K-part1 - - 0 0 0 0 - - - - - - - - - - | ||
| + | logs - - - - - - - - - - - - - - - - | ||
| + | mirror 896K 9.50G 0 0 0 0 - - - - - - - - - - | ||
| + | nvme-Samsung_SSD_970_EVO_Plus_250GB_S4EUNX0R937831T-part4 - - 0 0 0 0 - - - - - - - - - - | ||
| + | nvme-Samsung_SSD_970_EVO_Plus_250GB_S4EUNX0R937938H-part4 - - 0 0 0 0 - - - - - - - - - - | ||
| + | cache - - - - - - - - - - - - - - - - | ||
| + | nvme-Samsung_SSD_970_EVO_Plus_250GB_S4EUNX0R937831T-part3 18.7G 1.31G 0 0 0 0 - - - - - - - - - - | ||
| + | nvme-Samsung_SSD_970_EVO_Plus_250GB_S4EUNX0R937938H-part3 18.6G 1.37G 0 0 0 0 - - - - - - - - - - | ||
| + | ------------------------------------------------------------- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- | ||
| + | data_pool 329G 599G 0 0 0 0 - - - - - - - - - - | ||
| + | mirror 329G 599G 0 0 0 0 - - - - - - - - - - | ||
| + | ata-WDC_WD1005FBYZ-01YCBB2_WD-WMC6M0D0NFEE-part1 - - 0 0 0 0 - - - - - - - - - - | ||
| + | ata-WDC_WD1005FBYZ-01YCBB2_WD-WMC6N0L2TXDR-part1 - - 0 0 0 0 - - - - - - - - - - | ||
| + | logs - - - - - - - - - - - - - - - - | ||
| + | mirror 196K 19.5G 0 0 0 0 - - - - - - - - - - | ||
| + | nvme-Samsung_SSD_970_EVO_Plus_250GB_S4EUNX0R937831T-part2 - - 0 0 0 0 - - - - - - - - - - | ||
| + | nvme-Samsung_SSD_970_EVO_Plus_250GB_S4EUNX0R937938H-part2 - - 0 0 0 0 - - - - - - - - - - | ||
| + | cache - - - - - - - - - - - - - - - - | ||
| + | nvme-Samsung_SSD_970_EVO_Plus_250GB_S4EUNX0R937831T-part1 41.8G 58.2G 0 0 0 0 - - - - - - - - - - | ||
| + | nvme-Samsung_SSD_970_EVO_Plus_250GB_S4EUNX0R937938H-part1 42.9G 57.1G 0 0 0 0 - - - - - - - - - - | ||
| + | ------------------------------------------------------------- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- | ||
| + | </code> | ||
tudasbazis/linux/zfs/nyomozas.txt · Utolsó módosítás: 2024.07.29 12:11 szerkesztette: tia
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