![]() If you do not have this installed use your package manager to install ‘nvme-cli’, you will also need ‘smartmontools’ If Selective self-test is pending on power-up, resume after 0 minute delay.It is a good idea to do regular checks of your server disks, however with a number of disk types now, Spinning HDD’s SSD’s and NVMe disks there are different ways to check them, this guide is intended to give you indications only it is not black and white between good and bad disks. SMART Selective self-test log data structure revision number 1 SPAN MIN_LBA MAX_LBA CURRENT_TEST_STATUSĢ56 0 65535 Read_scanning was never startedĪfter scanning selected spans, do NOT read-scan remainder of disk. SMART Extended Self-test Log Version: 1 ( 1 sectors ) No self-tests have been logged. SMART Extended Comprehensive Error Log Version: 1 ( 1 sectors ) No Errors Logged Comprehensive SMART error logĠx11 GPL R/O 1 SATA Phy Event Counters logĠx13 GPL R/O 1 SATA NCQ Send and Receive logĠx30 GPL,SL R/O 9 IDENTIFY DEVICE data logĠx80-0x9f GPL,SL R/W 16 Host vendor specific log General Purpose Log Directory Version 1 SMART Log Directory Version 1 Address Access R/W Size DescriptionĠx02 SL R/O 1 Comprehensive SMART error logĠx03 GPL R/O 1 Ext. SMART Attributes Data Structure revision number: 1 Vendor Specific SMART Attributes with Thresholds: ![]() SCT capabilities: (0x003d ) SCT Status supported. Recommended polling time: ( 85 ) minutes. SMART capabilities: (0x0003 ) Saves SMART data before enteringĮrror logging capability: (0x01 ) Error logging supported. Self-test execution status: ( 0 ) The previous self-test routine completedĬapabilities: (0x53 ) SMART execute Offline immediate.Īuto Offline data collection on/off support. Offline data collection status: (0x00 ) Offline data collection activity SMART support is: Available - device has SMART capability.ĪTA Security is: Disabled, frozen Wt Cache Reorder: Enabled = START OF READ SMART DATA SECTION = SMART overall-health self-assessment test result: PASSED TRIM Command: Available, deterministic, zeroedĪTA Version is: ACS-4 T13/BSR INCITS 529 revision 5 SATA Version is: SATA 3.3, 6.0 Gb/s (current: 6.0 Gb/s ) Local Time is: Sun Jul 31 16:11:23 2022 CEST User Capacity: 1,000,204,886,016 bytes Sector Size: 512 bytes logical/physical Smartctl 7.3 r5338 ( local build ) Copyright (C ) 2002-22, Bruce Allen, Christian Franke, = START OF INFORMATION SECTION = Model Family: Samsung based SSDs A sample output of smartctl of a Samsung EVO 870 that already had various issues looks like this: So it’s not really easy to figure out which values are the important ones. smartd (or smartctl CLI utility) doesn’t differentiate between critical and informational values. SMART (or smartd daemon which is the process normally used with Linux) provides over a hundred of values or attributes. Personally (and I think that’s true for quite some more people too) SMART values, which you might get via smartctl CLI utility e.g., are hard to interpret and the amount of information is a little bit overwhelming. data indicates a possible imminent drive failure, software running on the host system may notify the user so preventive action can be taken to prevent data loss, and the failing drive can be replaced and data integrity maintained. Its primary function is to detect and report various indicators of drive reliability with the intent of anticipating imminent hardware failures. (Self-Monitoring, Analysis and Reporting Technology often written as SMART) is a monitoring system included in computer hard disk drives (HDDs), solid-state drives (SSDs), and eMMC drives. if you have to monitor lots of computers and disks. You might already have heard of S.M.A.R.T esp. But of course it’s better to get informend when health values starting to get worse. In my last blog post Clone failing hard disk or partition with ddrescue I explained how to rescure all or parts of data that is stored on a hard disk that is about to die.
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