"Atributo de uso SMART: 194 Temperature_Celsius cambió de 146 a 150". Esto está en CentOS 6.6.
¿Qué significa esto realmente? ¿La unidad está realmente caliente o es quizás un error de software? La unidad es una unidad eSATA de 2TB y se siente fría al tacto y el servidor ubicado en un sótano es 70F.
# smartctl -A /dev/sdb
smartctl 5.43 2012-06-30 r3573 [x86_64-linux-2.6.32-504.16.2.el6.x86_64] (local build)
Copyright (C) 2002-12 by Bruce Allen, http://smartmontools.sourceforge.net
=== 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 0x000b 100 100 016 Pre-fail Always - 0
2 Throughput_Performance 0x0005 134 134 054 Pre-fail Offline - 89
3 Spin_Up_Time 0x0007 123 123 024 Pre-fail Always - 507 (Average 505)
4 Start_Stop_Count 0x0012 100 100 000 Old_age Always - 89
5 Reallocated_Sector_Ct 0x0033 100 100 005 Pre-fail Always - 0
7 Seek_Error_Rate 0x000b 100 100 067 Pre-fail Always - 0
8 Seek_Time_Performance 0x0005 135 135 020 Pre-fail Offline - 26
9 Power_On_Hours 0x0012 096 096 000 Old_age Always - 29541
10 Spin_Retry_Count 0x0013 100 100 060 Pre-fail Always - 0
12 Power_Cycle_Count 0x0032 100 100 000 Old_age Always - 71
192 Power-Off_Retract_Count 0x0032 100 100 000 Old_age Always - 205
193 Load_Cycle_Count 0x0012 100 100 000 Old_age Always - 205
**194 Temperature_Celsius 0x0002 150 150 000 Old_age Always - 40 (Min/Max 20/49)**
196 Reallocated_Event_Count 0x0032 100 100 000 Old_age Always - 0
197 Current_Pending_Sector 0x0022 100 100 000 Old_age Always - 0
198 Offline_Uncorrectable 0x0008 100 100 000 Old_age Offline - 0
199 UDMA_CRC_Error_Count 0x000a 200 200 000 Old_age Always - 9