How to Configure Hard Drive Monitoring Attributes245

Hard drive monitoring is an important part of any server management strategy. By monitoring the health of your hard drives, you can identify potential problems early and take steps to prevent data loss. Several different attributes can be monitored for each hard drive, including its temperature, read/write error rate, and seek time. In this article, we will discuss how to configure hard drive monitoring attributes in a Linux environment.

Prerequisites

Before you can configure hard drive monitoring attributes, you must have the following:* A Linux server
* A user account with root privileges
* A hard drive that you want to monitor

Configure Hard Drive Monitoring Attributes

To configure hard drive monitoring attributes, follow these steps:1. Log in to your Linux server as root.
2. Open the file /etc/ in a text editor.
3. Find the line that says:
```
DEVICESCAN -d satada
```
4. Change the "-d satada" to "-d your_device_type". For example, if you have a SATA hard drive, you would change it to "-d sata".
5. Save and close the file.
6. Start the smartd service by running the following command:
```
service smartd start
```
7. Test the smartd service by running the following command:
```
smartctl -i /dev/sda
```
You should see output similar to the following:
```
smartctl 6.2 2013-07-26 r3841 [x86_64-linux-3.8.11] (local build)
Copyright (C) 2002-13, Bruce Allen, Christian Franke,
=== START OF INFORMATION SECTION ===
Model Family: Seagate Barracuda 7200.11
Device Model: ST33000651AS
Serial Number: S123456789ABCDEF
LU WWN Device Id: 5 0000c5 0007e8 123456
Firmware Version: CC49
User Capacity: 3000,598,930,432 bytes [3,001 GB]
Sector Size: 512 bytes logical/physical
Rotation Rate: 7200 rpm
Form Factor: 3.5 inches
Device is: In smartctl database [for details use: -P showall]
ATA Version is: ATA8-ACS T13/1699-D revision 4
ATA Standard is: Exact ATA specification: scsi2 = yes
Local Time is: Sun Jan 18 19:58:23 2015 IST
SMART support is: Available - device has SMART capability.
SMART support is: Enabled
=== START OF READ SMART DATA SECTION ===
SMART overall-health self-assessment test result: PASSED
SMART Attributes Data Structure revision number: 10
Vendor Specific SMART Attributes with Thresholds:
ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE
1 Raw_Read_Error_Rate 0x002f 100 253 051 Pre-fail Always - 0
3 Spin_Up_Time 0x0027 105 249 021 Pre-fail Always - 3553
4 Start_Stop_Count 0x0032 100 253 000 Old_age Always - 154
5 Reallocated_Sector_Ct 0x0033 100 253 010 Pre-fail Always - 0
7 Seek_Error_Rate 0x002e 100 253 000 Old_age Always - 0
9 Power_On_Hours 0x0032 100 253 000 Old_age Always - 2952
10 Spin_Retry_Count 0x0034 100 253 021 Old_age Always - 0
12 Power_Cycle_Count 0x0034 100 253 000 Old_age Always - 154
168 End-to-End_Error 0x0030 100 253 000 Old_age Always - 0
171 Available_Reserve_Space 0x0036 100 253 000 Old_age Always - 30
172 Current_Pending_Sector 0x0032 100 253 000 Old_age Always - 0
173 Uncorrectable_Sector_Ct 0x0035 100 253 010 Pre-fail Always - 0
174 Total_Uncorrectable 0x0032 100 253 000 Old_age Always - 0
183 Runtime_Bad_Block 0x0032 100 253 000 Old_age Always - 0
184 End-to-End_Error_Count 0x0030 100 253 000 Old_age Always - 0
187 Reported_Uncorrect 0x0032 100 253 000 Old_age Always - 0
188 Command_Timeout 0x0032 100 253 000 Old_age Always - 0
189 High_Fly_Writes 0x003a 100 253 000 Old_age Always - 0
190 Airflow_Temperature_Cel 0x0022 100 253 045 Old_age Always - 34
191 Load_Cycle_Count 0x0032 100 253 000 Old_age Always - 154
192 Temperature_Celsius 0x0022 100 253 000 Old_age Always - 29
193 Hardware_ECC_Recovered 0x0032 100 253 000 Old_age Always - 0
194 Reallocated_Event_Count 0x0032 100 253 000 Old_age Always - 0
195 Current_Pending_Sector 0x0032 100 253 000 Old_age Always - 0
197 Offline_Uncorrectable 0x0030 100 253 000 Old_age Always - 0
198 UDMA_CRC_Error_Count 0x003a 100 253 000 Old_age Always - 0
199 Multi_Zone_Error_Rate 0x0008 100 253 000 Old_age Offline - 0
240 Head_Flying_Hours 0x0032 100 253 000 Old_age Always - 31414
241 Total_LBAs_Written 0x0032 100 253 000 Old_age Always - 547245740
242 Total_LBAs_Read 0x0032 100 253 000 Old_age Always - 244410313
SMART Extended Comprehensive Error Log contains 1 entries:
No Errors Logged
SMART Error Log Version: 1
ATA Error Count: 7
ATA Error Count Limit: 0x00000000
Usage: smartctl -i /dev/hda -a
```
8. The output of the smartctl -i command will show you the current values of the hard drive monitoring attributes. You can use this information to identify potential problems with your hard drive.