Hard Drive temp?
 

On Sun, Aug 31, 2008 at 01:00:40AM +0300, Dotan Cohen wrote:

> sometimes gets much hotter, though. What temp is considered dangerous?

smartmontools show more infos, namely device in-spec ratings and such, as
set by manufacturer. Trip T is seldom found in SMART attributes, but it may
range from 50 to 60 degC for this kind of HDD, and usually HDD have.
SCSI HDD often are hard limited to 55.

eg

Device Model: Maxtor 6Y080L0
...
Vendor Specific SMART Attributes with Thresholds:
ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH ... RAW_VALUE
...
194 Temperature_Celsius 0x0032 253 253 000 ... 47

Device Model: HDS728080PLAT20
...
Vendor Specific SMART Attributes with Thresholds:
ID# ATTRIBUTE_NAME FLAG VALUE WORST THR ... RAW_VALUE
...
194 Temperature_Celsius 0x0002 122 122 000 ... 45 (Lifetime Min/Max 17/57)

so 1st one says nothing while the latter says it operated in 17..57 °C.
That's a desktop HDD; in a Toshiba I see ' 49 (Lifetime Min/Max 4/58)'

But no specs here, you need to lookup your HDD model datasheet onto vendor's
site - eg for above Hitachi's and Fujitsu's operative T range is: 5..55 °C
and SMART reported an out-of-range event(s), thus giving a clue for what's
the drive's trip T.

Note that's _ambient_ T limit, case T limit is higher (eg 60 for Fujitsu).


HTH
--
paolo


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Hard Drive temp?
 

On Sun, Aug 31, 2008 at 12:52:52AM +0200, Paolo wrote:

> and SMART reported an out-of-range event(s), thus giving a clue for what's
> the drive's trip T.

correcting myself: trip -> max-operating
'trip' T is - if set - hard limit at which the drive power off (like CPUs).

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paolo


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Hard Drive temp?
 

Although my particular drive does not list the recommended operating
temperatures like yours does, this line makes me worried:
190 Airflow_Temperature_Cel 0x0022 043 022 045 Old_age
Always FAILING_NOW 57 (6 157 59 51)

Here is the full output:

smartctl version 5.38 [i686-pc-linux-gnu] Copyright (C) 2002-8 Bruce Allen
Home page is http://smartmontools.sourceforge.net/

=== START OF INFORMATION SECTION ===
Model Family: Seagate Momentus 7200.1 series
Device Model: ST980825AS
Serial Number: 3MH0PJAL
Firmware Version: 8.04
User Capacity: 80,026,361,856 bytes
Device is: In smartctl database [for details use: -P show]
ATA Version is: 7
ATA Standard is: Exact ATA specification draft version not indicated
Local Time is: Sun Aug 31 12:07:49 2008 IDT
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
See vendor-specific Attribute list for marginal Attributes.

General SMART Values:
Offline data collection status: (0x82) Offline data collection activity
was completed without error.
Auto Offline Data Collection: Enabled.
Self-test execution status: ( 0) The previous self-test routine completed
without error or no self-test has ever
been run.
Total time to complete Offline
data collection: ( 426) seconds.
Offline data collection
capabilities: (0x5b) SMART execute Offline immediate.
Auto Offline data collection
on/off support.
Suspend Offline collection upon new
command.
Offline surface scan supported.
Self-test supported.
No Conveyance Self-test supported.
Selective Self-test supported.
SMART capabilities: (0x0003) Saves SMART data before entering
power-saving mode.
Supports SMART auto save timer.
Error logging capability: (0x01) Error logging supported.
No General Purpose Logging support.
Short self-test routine
recommended polling time: ( 1) minutes.
Extended self-test routine
recommended polling time: ( 84) minutes.
SCT capabilities: (0x0001) SCT Status supported.

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 0x000f 100 253 006 Pre-fail
Always - 0
3 Spin_Up_Time 0x0003 094 093 000 Pre-fail
Always - 0
4 Start_Stop_Count 0x0032 097 097 020 Old_age
Always - 3672
5 Reallocated_Sector_Ct 0x0033 100 100 036 Pre-fail
Always - 0
7 Seek_Error_Rate 0x000f 079 060 030 Pre-fail
Always - 84316527
9 Power_On_Hours 0x0032 093 093 000 Old_age
Always - 6135
10 Spin_Retry_Count 0x0013 100 099 034 Pre-fail
Always - 0
12 Power_Cycle_Count 0x0032 099 099 020 Old_age
Always - 2027
187 Reported_Uncorrect 0x0032 100 100 000 Old_age
Always - 0
189 High_Fly_Writes 0x003a 001 001 000 Old_age
Always - 2816
190 Airflow_Temperature_Cel 0x0022 043 022 045 Old_age
Always FAILING_NOW 57 (6 157 59 51)
192 Power-Off_Retract_Count 0x0032 099 099 000 Old_age
Always - 2019
193 Load_Cycle_Count 0x0032 001 001 000 Old_age
Always - 510408
194 Temperature_Celsius 0x0022 057 078 000 Old_age
Always - 57 (0 13 0 0)
195 Hardware_ECC_Recovered 0x001a 063 054 000 Old_age
Always - 154163894
197 Current_Pending_Sector 0x0012 100 100 000 Old_age
Always - 0
198 Offline_Uncorrectable 0x0010 100 100 000 Old_age
Offline - 0
199 UDMA_CRC_Error_Count 0x003e 200 200 000 Old_age
Always - 0
200 Multi_Zone_Error_Rate 0x0000 100 253 000 Old_age
Offline - 0
202 TA_Increase_Count 0x0032 100 253 000 Old_age
Always - 0

SMART Error Log Version: 1
No Errors Logged

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% 6011 -
# 2 Short offline Completed without error 00% 2468 -
# 3 Short offline Completed without error 00% 1899 -
# 4 Short offline Completed without error 00% 1112 -
# 5 Short offline Completed without error 00% 2 -
# 6 Short offline Completed without error 00% 0 -

SMART Selective self-test log data structure revision number 1
SPAN MIN_LBA MAX_LBA CURRENT_TEST_STATUS
1 0 0 Not_testing
2 0 0 Not_testing
3 0 0 Not_testing
4 0 0 Not_testing
5 0 0 Not_testing
Selective self-test flags (0x0):
After scanning selected spans, do NOT read-scan remainder of disk.
If Selective self-test is pending on power-up, resume after 0 minute delay.


--
Dotan Cohen

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