doc:appunti:hardware:raspberrypi_nas_smart_hard_disk
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doc:appunti:hardware:raspberrypi_nas_smart_hard_disk [2021/03/11 10:39] – [smartctl] niccolo | doc:appunti:hardware:raspberrypi_nas_smart_hard_disk [2021/04/16 17:18] – [hdparm] niccolo | ||
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====== Raspberry Pi NAS: Hard disk management ====== | ====== Raspberry Pi NAS: Hard disk management ====== | ||
+ | |||
+ | This page is about configuring the **hard disk power management** on a Raspberry Pi, to be used as NAS and mediacenter. The hard disk is connected via a **[[raspberrypi_nas_x835_sata_board|SupTronics X835 shield]]**. See the main index at **[[raspberrypi_nas]]**. | ||
There are two tools to manage SATA disks in GNU/Linux. **smartctl** is designed to interact with the **[[wp> | There are two tools to manage SATA disks in GNU/Linux. **smartctl** is designed to interact with the **[[wp> | ||
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# Disable DEVICESCAN, which does not work in our environment. | # Disable DEVICESCAN, which does not work in our environment. | ||
#DEVICESCAN -d removable -n standby -m root -M exec / | #DEVICESCAN -d removable -n standby -m root -M exec / | ||
- | |||
- | # Send an email test to < | ||
- | /dev/sda -d sat -m root@localhost -M test | ||
# Use the suggedested subset of checks, instead of the ' | # Use the suggedested subset of checks, instead of the ' | ||
+ | # NOTICE: We are running smartd with option --interval=3600 instead of the | ||
+ | # 1800 default, i.e. device polling occurs every 1 our instead of 30 minutes. | ||
+ | # The number of skipped checks (option -n) must be multipled by that value | ||
+ | # to obtain the maximum time that checks will be skipped: | ||
+ | # 336 * 3600 seconds = 14 days. | ||
/dev/sda -d sat \ | /dev/sda -d sat \ | ||
-H \ # Check the health with the SMART RETURN STATUS command | -H \ # Check the health with the SMART RETURN STATUS command | ||
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-W 0,50,60 \ # Temperature (SMART att. 194): WARN=50 (log), CRIT=60 (mail) | -W 0,50,60 \ # Temperature (SMART att. 194): WARN=50 (log), CRIT=60 (mail) | ||
-s S/ | -s S/ | ||
+ | -s O/ | ||
-m root@localhost \ # Send a warning email on failures and errors | -m root@localhost \ # Send a warning email on failures and errors | ||
-M daily \ # Repeat email warnings daily | -M daily \ # Repeat email warnings daily | ||
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* **Long Self-Test**: | * **Long Self-Test**: | ||
* **Conveyance Test** (ATA only): a few minutes to check for damages incurred during transporting of the device. It requires a few minutes to complete. | * **Conveyance Test** (ATA only): a few minutes to check for damages incurred during transporting of the device. It requires a few minutes to complete. | ||
- | * **Offline Immediate | + | * **Offline Immediate |
If you want to display the log e.g. of self-test executed, run: | If you want to display the log e.g. of self-test executed, run: | ||
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</ | </ | ||
- | Regardless of the APM level, we can set the hard disk **Standby timer** (spindown) after 30 minutes of inactivity. See **man hdparm** for explanation of the number following the **%%-S%%** option (it seems that there is not way to know the timeout once you have set it): | + | Regardless of the APM level, we can set the hard disk **Standby timer** (spindown) after 30 minutes of inactivity. See **man hdparm** for explanation of the number following the **%%-S%%** option (the granularity of the timer up to 20 minutes is 5 seconds, above that threshold |
< | < | ||
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# It is advisable to disable write cache in this case. | # It is advisable to disable write cache in this case. | ||
# See man hdparm(8), -S and -W options. | # See man hdparm(8), -S and -W options. | ||
+ | # The granularity of the spindown_time up to 20 minutes is 5 | ||
+ | # seconds, above that threshold it is 30 minutes. | ||
/dev/sda { | /dev/sda { | ||
write_cache = off | write_cache = off | ||
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* **[[https:// | * **[[https:// | ||
+ | * **[[https:// | ||
+ | * **[[https:// | ||
+ | * **[[https:// | ||
doc/appunti/hardware/raspberrypi_nas_smart_hard_disk.txt · Last modified: 2022/01/07 15:04 by niccolo