* Dying drive(s)... tips?
@ 2011-04-16 15:07 John Robinson
0 siblings, 0 replies; only message in thread
From: John Robinson @ 2011-04-16 15:07 UTC (permalink / raw)
To: Linux RAID
When I posted in a previous thread ("Re: RAID6 data-check took almost 2
hours, clicking sounds, system unresponsive"), I decided to run long
SMART tests on all the drives in the array on my workgroup server.
One drive, a Samsung Spinpoint F1 1TB, which had been showing one
pending sector (SMART attribute 197) and 331 Reported_Uncorrect (SMART
attribute 187) failed its SMART test at 90% and LBA of first error
1953520763.
I've subsequently tested reading the disc with dd, and found I have 24
unreadable sectors at consecutive LBAs 1953520760 to 1953520783.
I wondered how my weekly RAID checks never found these errors. It turns
out my disc was partitioned by the old fdisk which had an out-by-one
error and didn't use the last cylinder; the partition making up my main
array ends at LBA 1953520064. That's really handy, it means the part of
the disc the array is on is probably OK. Attempting to overwrite the bad
LBAs fails, so presumably the drive has run out of spare sectors with
which to reallocate bad ones, even though it's reporting zero reallocated.
Now the real problem: another drive in my array is another Samsung
Spinpoint F1, as is the only spare drive I have, both have a lot of
hours on them and both have non-zero Reported_Uncorrect (57 and 78
respectively), but no reallocated, pending or offline sectors and no
errors logged. All three drives were from the same batch, though they've
been run in different machines at different times. The one still in the
array has already passed a long SMART self-test and is currently being
surface scanned with dd, but even if it passes, should I trust it or do
I need to replace it too? Similarly if the spare one passes a long SMART
self-test and a surface scan with dd, should I trust it?
Given that I have one definitely duff drive in my RAID6 array, how
should I go about replacing it? dd_rescue onto a fresh drive? Just pull
and replace?
Once I've replaced at least one drive I can get to RMA'ing the dying one
and think about replacing others...
Cheers,
John.
General info: Asus P5Q mobo with ICH10R, all six drives connected to
ICH10R in AHCI mode; CentOS 5.5, kernel 2.6.18-243.el5xen, mdadm
mdadm-2.6.9-3.el5, though I am happy to do anything with SystemRescueCD
with more recent kernel, mdadm etc.
smartctl output follows:
Firstly, /dev/sde, the bad Samsung in the array:
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: S1PVJ1CQ602163
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 Apr 16 15:44:55 2011 BST
==> 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 overall-health self-assessment test result: PASSED
General SMART Values:
Offline data collection status: (0x00) Offline data collection activity
was never started.
Auto Offline Data Collection:
Disabled.
Self-test execution status: ( 121) The previous self-test completed
having
the read element of the test
failed.
Total time to complete Offline
data collection: (11847) seconds.
Offline data collection
capabilities: (0x7b) SMART execute Offline immediate.
Auto Offline data collection
on/off support.
Suspend Offline collection upon new
command.
Offline surface scan supported.
Self-test supported.
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.
General Purpose Logging supported.
Short self-test routine
recommended polling time: ( 2) minutes.
Extended self-test routine
recommended polling time: ( 198) minutes.
Conveyance self-test routine
recommended polling time: ( 21) minutes.
SCT capabilities: (0x003f) SCT Status supported.
SCT Feature Control supported.
SCT Data Table supported.
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 099 098 051 Pre-fail
Always - 635
3 Spin_Up_Time 0x0007 069 069 011 Pre-fail
Always - 10070
4 Start_Stop_Count 0x0032 100 100 000 Old_age
Always - 75
5 Reallocated_Sector_Ct 0x0033 100 100 010 Pre-fail
Always - 0
7 Seek_Error_Rate 0x000f 100 100 051 Pre-fail
Always - 0
8 Seek_Time_Performance 0x0025 100 100 015 Pre-fail
Offline - 9881
9 Power_On_Hours 0x0032 098 098 000 Old_age
Always - 12285
10 Spin_Retry_Count 0x0033 100 100 051 Pre-fail
Always - 0
11 Calibration_Retry_Count 0x0012 100 100 000 Old_age
Always - 3
12 Power_Cycle_Count 0x0032 100 100 000 Old_age
Always - 67
13 Read_Soft_Error_Rate 0x000e 099 099 000 Old_age
Always - 383
183 Unknown_Attribute 0x0032 100 100 000 Old_age Always
- 0
184 Unknown_Attribute 0x0033 100 100 099 Pre-fail Always
- 0
187 Reported_Uncorrect 0x0032 100 100 000 Old_age Always
- 709
188 Unknown_Attribute 0x0032 100 100 000 Old_age Always
- 0
190 Airflow_Temperature_Cel 0x0022 074 061 000 Old_age Always
- 26 (Lifetime Min/Max 18/28)
194 Temperature_Celsius 0x0022 074 060 000 Old_age Always
- 26 (Lifetime Min/Max 18/29)
195 Hardware_ECC_Recovered 0x001a 100 100 000 Old_age Always
- 462505759
196 Reallocated_Event_Count 0x0032 100 100 000 Old_age Always
- 0
197 Current_Pending_Sector 0x0012 100 100 000 Old_age Always
- 4
198 Offline_Uncorrectable 0x0030 100 100 000 Old_age
Offline - 1
199 UDMA_CRC_Error_Count 0x003e 100 100 000 Old_age Always
- 0
200 Multi_Zone_Error_Rate 0x000a 100 100 000 Old_age Always
- 0
201 Soft_Read_Error_Rate 0x000a 095 094 000 Old_age Always
- 475
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% 12245
1953520763
# 2 Extended offline Aborted by host 00% 6704
-
# 3 Extended offline Aborted by host 00% 6691
-
# 4 Short offline Aborted by host 00% 6688
-
# 5 Extended offline Aborted by host 90% 6515
-
# 6 Short offline Aborted by host 20% 6515
-
# 7 Short offline Aborted by host 20% 931
-
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.
-------------------------------------------------------------------------
Now the "good" Samsung, /dev/sdb:
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: S1PVJ1CQ602162
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 Apr 16 15:45:54 2011 BST
==> 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 overall-health self-assessment test result: PASSED
General SMART Values:
Offline data collection status: (0x00) Offline data collection activity
was never started.
Auto Offline Data Collection:
Disabled.
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: (12159) seconds.
Offline data collection
capabilities: (0x7b) SMART execute Offline immediate.
Auto Offline data collection
on/off support.
Suspend Offline collection upon new
command.
Offline surface scan supported.
Self-test supported.
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.
General Purpose Logging supported.
Short self-test routine
recommended polling time: ( 2) minutes.
Extended self-test routine
recommended polling time: ( 203) minutes.
Conveyance self-test routine
recommended polling time: ( 22) minutes.
SCT capabilities: (0x003f) SCT Status supported.
SCT Feature Control supported.
SCT Data Table supported.
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 100 099 051 Pre-fail
Always - 10
3 Spin_Up_Time 0x0007 067 067 011 Pre-fail
Always - 10550
4 Start_Stop_Count 0x0032 100 100 000 Old_age
Always - 66
5 Reallocated_Sector_Ct 0x0033 100 100 010 Pre-fail
Always - 0
7 Seek_Error_Rate 0x000f 100 100 051 Pre-fail
Always - 0
8 Seek_Time_Performance 0x0025 100 100 015 Pre-fail
Offline - 9901
9 Power_On_Hours 0x0032 097 097 000 Old_age
Always - 13978
10 Spin_Retry_Count 0x0033 100 100 051 Pre-fail
Always - 0
11 Calibration_Retry_Count 0x0012 100 100 000 Old_age
Always - 3
12 Power_Cycle_Count 0x0032 100 100 000 Old_age
Always - 66
13 Read_Soft_Error_Rate 0x000e 100 099 000 Old_age
Always - 9
183 Unknown_Attribute 0x0032 100 100 000 Old_age Always
- 0
184 Unknown_Attribute 0x0033 100 100 099 Pre-fail Always
- 0
187 Reported_Uncorrect 0x0032 100 100 000 Old_age Always
- 57
188 Unknown_Attribute 0x0032 100 100 000 Old_age Always
- 0
190 Airflow_Temperature_Cel 0x0022 071 069 000 Old_age Always
- 29 (Lifetime Min/Max 16/31)
194 Temperature_Celsius 0x0022 069 068 000 Old_age Always
- 31 (Lifetime Min/Max 16/33)
195 Hardware_ECC_Recovered 0x001a 100 100 000 Old_age Always
- 559643952
196 Reallocated_Event_Count 0x0032 100 100 000 Old_age Always
- 0
197 Current_Pending_Sector 0x0012 100 100 000 Old_age Always
- 0
198 Offline_Uncorrectable 0x0030 100 100 000 Old_age
Offline - 0
199 UDMA_CRC_Error_Count 0x003e 100 100 000 Old_age Always
- 0
200 Multi_Zone_Error_Rate 0x000a 100 100 000 Old_age Always
- 0
201 Soft_Read_Error_Rate 0x000a 100 100 000 Old_age Always
- 0
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 without error 00% 13942
-
# 2 Extended offline Aborted by host 00% 6517
-
# 3 Short offline Aborted by host 00% 6514
-
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.
-------------------------------------------------------------------------
And the spare Samsung, /dev/sdf:
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: S1PVJ1CQ602164
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 Apr 16 15:46:41 2011 BST
==> 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 overall-health self-assessment test result: PASSED
General SMART Values:
Offline data collection status: (0x00) Offline data collection activity
was never started.
Auto Offline Data Collection:
Disabled.
Self-test execution status: ( 244) Self-test routine in progress...
40% of test remaining.
Total time to complete Offline
data collection: (11854) seconds.
Offline data collection
capabilities: (0x7b) SMART execute Offline immediate.
Auto Offline data collection
on/off support.
Suspend Offline collection upon new
command.
Offline surface scan supported.
Self-test supported.
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.
General Purpose Logging supported.
Short self-test routine
recommended polling time: ( 2) minutes.
Extended self-test routine
recommended polling time: ( 198) minutes.
Conveyance self-test routine
recommended polling time: ( 21) minutes.
SCT capabilities: (0x003f) SCT Status supported.
SCT Feature Control supported.
SCT Data Table supported.
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 100 098 051 Pre-fail
Always - 0
3 Spin_Up_Time 0x0007 076 076 011 Pre-fail
Always - 8040
4 Start_Stop_Count 0x0032 100 100 000 Old_age
Always - 49
5 Reallocated_Sector_Ct 0x0033 100 100 010 Pre-fail
Always - 0
7 Seek_Error_Rate 0x000f 100 100 051 Pre-fail
Always - 0
8 Seek_Time_Performance 0x0025 100 100 015 Pre-fail
Offline - 10888
9 Power_On_Hours 0x0032 098 098 000 Old_age
Always - 9967
10 Spin_Retry_Count 0x0033 100 100 051 Pre-fail
Always - 0
11 Calibration_Retry_Count 0x0012 100 100 000 Old_age
Always - 2
12 Power_Cycle_Count 0x0032 100 100 000 Old_age
Always - 49
13 Read_Soft_Error_Rate 0x000e 100 098 000 Old_age
Always - 0
183 Unknown_Attribute 0x0032 100 100 000 Old_age Always
- 0
184 Unknown_Attribute 0x0033 100 100 099 Pre-fail Always
- 0
187 Reported_Uncorrect 0x0032 100 100 000 Old_age Always
- 78
188 Unknown_Attribute 0x0032 100 100 000 Old_age Always
- 0
190 Airflow_Temperature_Cel 0x0022 071 059 000 Old_age Always
- 29 (Lifetime Min/Max 15/29)
194 Temperature_Celsius 0x0022 065 059 000 Old_age Always
- 35 (Lifetime Min/Max 15/35)
195 Hardware_ECC_Recovered 0x001a 100 100 000 Old_age Always
- 1434
196 Reallocated_Event_Count 0x0032 100 100 000 Old_age Always
- 0
197 Current_Pending_Sector 0x0012 100 100 000 Old_age Always
- 0
198 Offline_Uncorrectable 0x0030 100 100 000 Old_age
Offline - 0
199 UDMA_CRC_Error_Count 0x003e 100 100 000 Old_age Always
- 0
200 Multi_Zone_Error_Rate 0x000a 100 100 000 Old_age Always
- 0
201 Soft_Read_Error_Rate 0x000a 100 100 000 Old_age Always
- 0
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 Self-test routine in progress 40% 9967
-
# 2 Extended offline Aborted by host 00% 6702
-
# 3 Extended offline Aborted by host 00% 6689
-
# 4 Short offline Aborted by host 00% 6686
-
# 5 Extended offline Aborted by host 90% 6513
-
# 6 Short offline Aborted by host 20% 6513
-
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.
-------------------------------------------------------------------------
Log from attempting to overwrite bad sectors on /dev/sde:
Apr 16 14:59:34 beast kernel: ata7.00: exception Emask 0x0 SAct 0x1 SErr
0x0 action 0x0
Apr 16 14:59:34 beast kernel: ata7.00: irq_stat 0x40000008
Apr 16 14:59:34 beast kernel: ata7.00: cmd
60/08:00:78:5c:70/00:00:74:00:00/40 tag 0 ncq 4096 in
Apr 16 14:59:34 beast kernel: res
41/40:00:7b:5c:70/00:00:74:00:00/40 Emask 0x409 (medi
a error) <F>
Apr 16 14:59:34 beast kernel: ata7.00: status: { DRDY ERR }
Apr 16 14:59:34 beast kernel: ata7.00: error: { UNC }
Apr 16 14:59:34 beast kernel: ata7.00: configured for UDMA/133
Apr 16 14:59:34 beast kernel: ata7: EH complete
Apr 16 14:59:36 beast kernel: ata7.00: exception Emask 0x0 SAct 0x1 SErr
0x0 action 0x0
Apr 16 14:59:36 beast kernel: ata7.00: irq_stat 0x40000008
Apr 16 14:59:36 beast kernel: ata7.00: cmd
60/08:00:78:5c:70/00:00:74:00:00/40 tag 0 ncq 4096 in
Apr 16 14:59:36 beast kernel: res
41/40:00:7b:5c:70/00:00:74:00:00/40 Emask 0x409 (media error) <F>
Apr 16 14:59:36 beast kernel: ata7.00: status: { DRDY ERR }
Apr 16 14:59:43 beast kernel: ata7.00: error: { UNC }
Apr 16 14:59:43 beast kernel: ata7.00: configured for UDMA/133
Apr 16 14:59:43 beast kernel: ata7: EH complete
Apr 16 14:59:44 beast kernel: ata7.00: exception Emask 0x0 SAct 0x1 SErr
0x0 action 0x0
Apr 16 14:59:44 beast kernel: ata7.00: irq_stat 0x40000008
Apr 16 14:59:44 beast kernel: ata7.00: cmd
60/08:00:78:5c:70/00:00:74:00:00/40 tag 0 ncq 4096 in
Apr 16 14:59:44 beast kernel: res
41/40:00:7b:5c:70/00:00:74:00:00/40 Emask 0x409 (media error) <F>
Apr 16 14:59:44 beast kernel: ata7.00: status: { DRDY ERR }
Apr 16 14:59:44 beast kernel: ata7.00: error: { UNC }
Apr 16 14:59:44 beast kernel: ata7.00: configured for UDMA/133
Apr 16 14:59:44 beast kernel: ata7: EH complete
Apr 16 14:59:44 beast kernel: ata7.00: exception Emask 0x0 SAct 0x1 SErr
0x0 action 0x0
Apr 16 14:59:44 beast kernel: ata7.00: irq_stat 0x40000008
Apr 16 14:59:44 beast kernel: ata7.00: cmd
60/08:00:78:5c:70/00:00:74:00:00/40 tag 0 ncq 4096 in
Apr 16 14:59:44 beast kernel: res
41/40:00:7b:5c:70/00:00:74:00:00/40 Emask 0x409 (media error) <F>
Apr 16 14:59:44 beast kernel: ata7.00: status: { DRDY ERR }
Apr 16 14:59:44 beast kernel: ata7.00: error: { UNC }
Apr 16 14:59:44 beast kernel: ata7.00: configured for UDMA/133
Apr 16 14:59:44 beast kernel: ata7: EH complete
Apr 16 14:59:44 beast kernel: ata7.00: exception Emask 0x0 SAct 0x1 SErr
0x0 action 0x0
Apr 16 14:59:44 beast kernel: ata7.00: irq_stat 0x40000008
Apr 16 14:59:44 beast kernel: ata7.00: cmd
60/08:00:78:5c:70/00:00:74:00:00/40 tag 0 ncq 4096 in
Apr 16 14:59:44 beast kernel: res
41/40:00:7b:5c:70/00:00:74:00:00/40 Emask 0x409 (media error) <F>
Apr 16 14:59:44 beast kernel: ata7.00: status: { DRDY ERR }
Apr 16 14:59:44 beast kernel: ata7.00: error: { UNC }
Apr 16 14:59:44 beast kernel: ata7.00: configured for UDMA/133
Apr 16 14:59:44 beast kernel: ata7: EH complete
Apr 16 14:59:44 beast kernel: ata7.00: exception Emask 0x0 SAct 0x1 SErr
0x0 action 0x0
Apr 16 14:59:44 beast kernel: ata7.00: irq_stat 0x40000008
Apr 16 14:59:44 beast kernel: ata7.00: cmd
60/08:00:78:5c:70/00:00:74:00:00/40 tag 0 ncq 4096 in
Apr 16 14:59:44 beast kernel: res
41/40:00:7b:5c:70/00:00:74:00:00/40 Emask 0x409 (media error) <F>
Apr 16 14:59:44 beast kernel: ata7.00: status: { DRDY ERR }
Apr 16 14:59:44 beast kernel: ata7.00: error: { UNC }
Apr 16 14:59:44 beast kernel: ata7.00: configured for UDMA/133
Apr 16 14:59:44 beast kernel: sd 6:0:0:0: SCSI error: return code =
0x08000002
Apr 16 14:59:44 beast kernel: sde: Current [descriptor]: sense key:
Medium Error
Apr 16 14:59:44 beast kernel: Add. Sense: Unrecovered read error -
auto reallocate failed
Apr 16 14:59:44 beast kernel:
Apr 16 14:59:44 beast kernel: Descriptor sense data with sense
descriptors (in hex):
Apr 16 14:59:44 beast kernel: 72 03 11 04 00 00 00 0c 00 0a 80
00 00 00 00 00
Apr 16 14:59:44 beast kernel: 74 70 5c 7b
Apr 16 14:59:44 beast kernel: end_request: I/O error, dev sde, sector
1953520763
Apr 16 14:59:44 beast kernel: ata7: EH complete
Apr 16 14:59:44 beast kernel: SCSI device sde: 1953525168 512-byte hdwr
sectors (1000205 MB)
Apr 16 14:59:44 beast kernel: sde: Write Protect is off
Apr 16 14:59:44 beast kernel: SCSI device sde: drive cache: write back
Apr 16 14:59:44 beast kernel: SCSI device sde: 1953525168 512-byte hdwr
sectors (1000205 MB)
Apr 16 14:59:44 beast kernel: sde: Write Protect is off
Apr 16 14:59:44 beast kernel: SCSI device sde: drive cache: write back
-------------------------------------------------------------------------
And just for completeness, array status from mdadm -D:
/dev/md1:
Version : 0.90
Creation Time : Mon Jul 28 15:49:09 2008
Raid Level : raid6
Array Size : 2929966080 (2794.23 GiB 3000.29 GB)
Used Dev Size : 976655360 (931.41 GiB 1000.10 GB)
Raid Devices : 5
Total Devices : 5
Preferred Minor : 1
Persistence : Superblock is persistent
Intent Bitmap : Internal
Update Time : Sat Apr 16 16:05:42 2011
State : active
Active Devices : 5
Working Devices : 5
Failed Devices : 0
Spare Devices : 0
Chunk Size : 512K
UUID : d8c57a89:166ee722:23adec48:1574b5fc
Events : 0.1332600
Number Major Minor RaidDevice State
0 8 2 0 active sync /dev/sda2
1 8 18 1 active sync /dev/sdb2
2 8 34 2 active sync /dev/sdc2
3 8 50 3 active sync /dev/sdd2
4 8 66 4 active sync /dev/sde2
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