Scott Beamer wrote:
On 07/04/2009 02:41 AM, Michael Schwendt wrote:
On Sat, 4 Jul 2009 07:57:46 +0000 (UTC), Scott wrote:
For a number of weeks now I've been getting this notification (only when
in Fedora 11 & running GNOME) that "one or more disks are failing".
What do you get for "smartctl --all /dev/sda"? Perhaps a non-zero and
growing number of reallocated sectors?
Uhhh....
To avoid munging by mailer, this would have been a nice attach. Just a thought.
Actually, I got (106 lines of) all this:
$ sudo smartctl --all /dev/sda
smartctl version 5.38 [x86_64-redhat-linux-gnu] Copyright (C) 2002-8
Bruce Allen
Home page is http://smartmontools.sourceforge.net/
=== START OF INFORMATION SECTION ===
Device Model: SAMSUNG HD103UJ
Serial Number: S13PJ1MQ606788
Firmware Version: 1AA01112
User Capacity: 1,000,204,886,016 bytes
Device is: In smartctl database [for details use: -P show]
ATA Version is: 8
ATA Standard is: ATA-8-ACS revision 3b
Local Time is: Sat Jul 4 02:46:25 2009 MST
==> WARNING: May need -F samsung or -F samsung2 enabled; see manual for
details.
SMART support is: Available - device has SMART capability.
SMART support is: Enabled
=== 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 0x000f 100 064 051 Pre-fail Always
- 8
3 Spin_Up_Time 0x0007 077 077 011 Pre-fail Always
- 7820
4 Start_Stop_Count 0x0032 099 099 000 Old_age Always
- 536
5 Reallocated_Sector_Ct 0x0033 100 100 010 Pre-fail Always
- 4
That's reasonable, if it isn't growing. But any bad spots are reallocated by
testing before you get the drive, so the original count has been zero on my
Seagate and WD drives. Don't have anything else spinning to check over the long
holiday.
7 Seek_Error_Rate 0x000f 100 100 051 Pre-fail Always
- 0
8 Seek_Time_Performance 0x0025 100 100 015 Pre-fail
Offline - 10567
9 Power_On_Hours 0x0032 099 099 000 Old_age Always
- 6202
10 Spin_Retry_Count 0x0033 100 100 051 Pre-fail Always
- 0
11 Calibration_Retry_Count 0x0012 100 100 000 Old_age Always
- 0
12 Power_Cycle_Count 0x0032 099 099 000 Old_age Always
- 524
Looks like about twice a day, not uncommon. I don't totally trust POH (#9) as it
is sometimes lower than my uptime. I suspect Seagate is reporting in days, yours
looks right if the drive is eight months old.
13 Read_Soft_Error_Rate 0x000e 100 066 000 Old_age Always
- 8
187 Reported_Uncorrect 0x0032 100 100 000 Old_age Always
- 2767
188 Unknown_Attribute 0x0032 100 100 000 Old_age Always
- 0
190 Airflow_Temperature_Cel 0x0022 071 068 000 Old_age Always
- 29 (Lifetime Min/Max 20/29)
194 Temperature_Celsius 0x0022 071 066 000 Old_age Always
- 29 (Lifetime Min/Max 20/32)
195 Hardware_ECC_Recovered 0x001a 100 100 000 Old_age Always
- 9633546
That is really a lot, typically my three year old drives are showing single
digits, often zero.
196 Reallocated_Event_Count 0x0032 100 100 000 Old_age Always
- 0
197 Current_Pending_Sector 0x0012 100 100 000 Old_age Always
- 2
SMART Error Log Version: 1
No Errors Logged
SMART Self-test log structure revision number 0
Warning: ATA Specification requires self-test log structure revision
number = 1
Num Test_Description Status Remaining
LifeTime(hours) LBA_of_first_error
# 1 Extended offline Completed: read failure 90% 6201
1818207693
# 2 Short offline Aborted by host 20% 6201
-
# 3 Conveyance offline Aborted by host 90% 6201
-
# 4 Extended offline Aborted by host 90% 4469
-
# 5 Extended offline Aborted by host 90% 4469
-
SMART Selective Self-Test Log Data Structure Revision Number (0) should be 1
SMART Selective self-test log data structure revision number 0
Warning: ATA Specification requires 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.
I confess I would not use that drive for anything critical, too much ECC for my
taste. Google wrote a paper on matching SMART to failures, and concluded that it
wasn't helpful in general. Errors somewhat predicted bad performance, but many
drive fail hard without warning.
In looking at my own numbers I just scheduled a drive for redeploy, I have a
favorable money to time ratio at the moment. ;-)
--
Bill Davidsen <davidsen@xxxxxxx>
"We have more to fear from the bungling of the incompetent than from
the machinations of the wicked." - from Slashdot
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