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Disk異常例 (smartctl, CrystalDiskInfo)

Last updated at Posted at 2016-09-05

smartmontools インストール

sudo apt install -y smartmontools
sudo yum install -y smartmontools

smartctl で RAW_VALUE確認

セルフテスト実施
sudo /usr/sbin/smartctl -t short /dev/sdb
# 2分待ってから以下。
sudo /usr/sbin/smartctl -A -l selftest /dev/sdb
# sudo /usr/sbin/smartctl -a /dev/sda | egrep "^ID|^  5|^197|^#"
ID# ATTRIBUTE_NAME          FLAG     VALUE WORST THRESH TYPE      UPDATED  WHEN_FAILED RAW_VALUE
  5 Reallocated_Sector_Ct   0x0033   100   100   036    Pre-fail  Always       -       9
197 Current_Pending_Sector  0x0012   100   100   000    Old_age   Always       -       0
# 1  Short offline       Completed without error       00%     50626         -
16進数を10進数に変換
echo "obase=10; ibase=16; AF5" | bc

SMARTが無効になっている場合、有効

SMART support is: Disabled
SMART Disabled. Use option -s with argument 'on' to enable it.

# /usr/sbin/smartctl -s on /dev/sda
smartctl 6.4 2015-06-04 r4109 [x86_64-linux-3.18.7-200.fc21.x86_64] (local build)
Copyright (C) 2002-15, Bruce Allen, Christian Franke, www.smartmontools.org

=== START OF ENABLE/DISABLE COMMANDS SECTION ===
SMART Enabled.

注意 の次は 異常

  • 生の値(16進)を気にすること。

ng.PNG

5.PNG
52.PNG
53.PNG
54.PNG

c5.PNG

不良セクタ

正常時
SMART Self-test log structure revision number 1
Num  Test_Description    Status                  Remaining  LifeTime(hours)  LBA_of_first_error
# 1  Short offline       Completed without error       00%     50626         -
異常時
SMART Self-test log structure revision number 1
Num  Test_Description    Status                  Remaining  LifeTime(hours)  LBA_of_first_error
# 1  Short offline       Completed: read failure       90%     11982         1717550205
# 2  Short offline       Completed: read failure       90%     11982         1717574320
shortテスト中
# 1  Short offline       Self-test routine in progress 30%     35538         -

Raidカード

Raidカードの PERC S100/S300 はlinuxのドライバがない

参考

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