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nas4free: ~# smartctl -a /dev/da4 smartctl 7.0 2018-12-30 r4883 [FreeBSD 11.2-RELEASE-p9 amd64] (local build) Copyright (C) 2002-18, Bruce Allen, Christian Franke, www.smartmontools.org === START OF INFORMATION SECTION === Vendor: SEAGATE Product: ST10000NM0096 Revision: E002 Compliance: SPC-4 User Capacity: 10,000,831,348,736 bytes [10.0 TB] Logical block size: 512 bytes Physical block size: 4096 bytes LU is fully provisioned Rotation Rate: 7200 rpm Form Factor: 3.5 inches Logical Unit id: 0x5000c500b6ec483f Serial number: ZA27C5GR0000C8444XXX Device type: disk Transport protocol: SAS (SPL-3) Local Time is: Fri Jun 14 12:18:49 2019 CEST SMART support is: Available - device has SMART capability. SMART support is: Enabled Temperature Warning: Enabled === START OF READ SMART DATA SECTION === SMART Health Status: OK Grown defects during certification <not available> Total blocks reassigned during format <not available> Total new blocks reassigned <not available> Power on minutes since format <not available> Current Drive Temperature: 30 C Drive Trip Temperature: 60 C Manufactured in week 44 of year 2018 Specified cycle count over device lifetime: 10000 Accumulated start-stop cycles: 48 Specified load-unload count over device lifetime: 300000 Accumulated load-unload cycles: 51 Elements in grown defect list: 0 Vendor (Seagate Cache) information Blocks sent to initiator = 27744 Blocks received from initiator = 3295040 Blocks read from cache and sent to initiator = 5770 Number of read and write commands whose size <= segment size = 2497 Number of read and write commands whose size > segment size = 134 Vendor (Seagate/Hitachi) factory information number of hours powered up = 0.52 number of minutes until next internal SMART test = 41 Error counter log: Errors Corrected by Total Correction Gigabytes Total ECC rereads/ errors algorithm processed uncorrected fast | delayed rewrites corrected invocations [10^9 bytes] errors read: 3556 0 0 3556 0 0.014 0 write: 0 0 0 0 0 1.713 0 Non-medium error count: 3 [GLTSD (Global Logging Target Save Disable) set. Enable Save with '-S on'] No Self-tests have been logged