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Is anyone getting the full speed with these SSDs? Benchmark is showing half speed, which can by explained by corresponding error messages in e.g. dmesg log: [Tue Aug 6 21:54:52 2024] ata14.00: exception Emask 0x10 SAct 0x100000 SErr 0x400100 action 0x6 frozen [Tue Aug 6 21:54:52 2024] ata14.00: irq_stat 0x08000000, interface fatal error [Tue Aug 6 21:54:52 2024] ata14: SError: { UnrecovData Handshk } [Tue Aug 6 21:54:52 2024] ata14.00: failed command: WRITE FPDMA QUEUED [Tue Aug 6 21:54:52 2024] ata14.00: cmd 61/00:a0:00:88:13/02:00:00:00:00/40 tag 20 ncq 262144 out res 40/00:a0:00:88:13/00:00:00:00:00/40 Emask 0x10 (ATA bus error) [Tue Aug 6 21:54:52 2024] ata14.00: status: { DRDY } [Tue Aug 6 21:54:52 2024] ata14: hard resetting link [Tue Aug 6 21:54:52 2024] ata9.00: configured for UDMA/133 [Tue Aug 6 21:54:52 2024] ata9: EH complete [Tue Aug 6 21:54:53 2024] ata14: SATA link up 6.0 Gbps (SStatus 133 SControl 300) [Tue Aug 6 21:54:53 2024] ata14.00: supports DRM functions and may not be fully accessible [Tue Aug 6 21:54:53 2024] ata14.00: disabling queued TRIM support [Tue Aug 6 21:54:53 2024] ata14.00: supports DRM functions and may not be fully accessible [Tue Aug 6 21:54:53 2024] ata14.00: disabling queued TRIM support [Tue Aug 6 21:54:53 2024] ata14.00: configured for UDMA/133 [Tue Aug 6 21:54:53 2024] ata14: EH complete [Tue Aug 6 21:54:53 2024] ata14.00: Enabling discard_zeroes_data [Tue Aug 6 21:54:53 2024] ata14.00: supports DRM functions and may not be fully accessible [Tue Aug 6 21:54:53 2024] ata14.00: disabling queued TRIM support [Tue Aug 6 21:54:53 2024] ata14.00: supports DRM functions and may not be fully accessible [Tue Aug 6 21:54:53 2024] ata14.00: disabling queued TRIM support [Tue Aug 6 21:54:53 2024] ata14.00: configured for UDMA/133 [Tue Aug 6 21:54:53 2024] ata14: EH complete [Tue Aug 6 21:54:53 2024] ata14.00: Enabling discard_zeroes_data [Tue Aug 6 21:54:53 2024] ata14: limiting SATA link speed to 3.0 Gbps [Tue Aug 6 21:54:53 2024] ata14.00: exception Emask 0x10 SAct 0x200 SErr 0x400100 action 0x6 frozen [Tue Aug 6 21:54:53 2024] ata14.00: irq_stat 0x08000000, interface fatal error [Tue Aug 6 21:54:53 2024] ata14: SError: { UnrecovData Handshk } [Tue Aug 6 21:54:53 2024] ata14.00: failed command: WRITE FPDMA QUEUED [Tue Aug 6 21:54:53 2024] ata14.00: cmd 61/50:48:b8:3e:20/03:00:00:00:00/40 tag 9 ncq 434176 out res 40/00:48:b8:3e:20/00:00:00:00:00/40 Emask 0x10 (ATA bus error) [Tue Aug 6 21:54:53 2024] ata14.00: status: { DRDY } [Tue Aug 6 21:54:53 2024] ata14: hard resetting link [Tue Aug 6 21:54:53 2024] ata14: SATA link up 3.0 Gbps (SStatus 123 SControl 320) [Tue Aug 6 21:54:53 2024] ata14.00: supports DRM functions and may not be fully accessible [Tue Aug 6 21:54:53 2024] ata14.00: disabling queued TRIM support [Tue Aug 6 21:54:53 2024] ata14.00: supports DRM functions and may not be fully accessible [Tue Aug 6 21:54:53 2024] ata14.00: disabling queued TRIM support [Tue Aug 6 21:54:53 2024] ata14.00: configured for UDMA/133 [Tue Aug 6 21:54:53 2024] ata14: EH complete [Tue Aug 6 21:54:53 2024] ata14.00: Enabling discard_zeroes_data This seems to be a known issue and patches are out, but only with kernel 5.15+. I'm running DSM 7.0.1-42218 Update 2 (which seems to have kernel 4.14) on Proxmox 7.1, on an intel Nuc10iFNH. The SATA contoller has been passed through the DSM VM. root@ds918p:~# uname -a Linux ds918p 4.4.180+ #42218 SMP Mon Oct 18 19:17:56 CST 2021 x86_64 GNU/Linux synology_apollolake_918+ How are others getting the full SATA 6 Gbps link and hence full performance with these disks?

vends des disques durs 5 pouces SATA3 quantité : 4 x 3TO Western Digital green WD30EZRX Etat neuf, d'un même NAS N54L, reformaté sous Linux CD live gtparted en GPT vierge, (en Raid5 protégé : 8.11 To disponible après formatage Raid 5), dont un redondant pour la sécurité des données en Raid 5 à titre d'information 200 euros hors frais de port France, Outre-mer (+ frais), bien emballé via UPS Express +40 euros ou Colissimo + 30 euros avec garantie de transport, Très peu servi aucune donné à recupérer cause type Raid5 + redondant + codage SHA512, reformaté avec le DSM 5-2 5967 update 7, le plus stable à mon sens, (30 heures de reformatage bit à bit de parité et reformatage via Linux CD Live par Gparted, aucunes erreurs trouvés, SMART ok, hors garantie, je peux vous fournir un scan des disques durs via Crystal Info, ils ont très peu servi qu'à titre de sauvegardes secondaires, envoyez moi un e-mail via : lrdx34@gmail.com pour en savoir plus, c'est au plus offrant, l'offre est aussi en vente sur Ebay, vous pourrez consultez des photos bien qu'il s'agisse du NAS, merci à vous