我只是尝试在我的硬盘上运行测试，但它不想完成自测。结果如下：
smartctl --attributes --log=selftest /dev/sda
smartctl 6.2 2013-07-26 r3841 [x86_64-linux-3.13.0-32-generic] (local build)
=== START OF READ SMART DATA SECTION ===
SMART Attributes Data Structure revision number: 16
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 200 200 051 Pre-fail Always - 697
3 Spin_Up_Time 0x0027 206 160 021 Pre-fail Always - 691
4 Start_Stop_Count 0x0032 074 074 000 Old_age Always - 26734
5 Reallocated_Sector_Ct 0x0033 200 200 140 Pre-fail …