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 Post subject: Mysterious capacity loss on a 1TB seagate hard drive
PostPosted: February 5th, 2020, 23:41 
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Joined: February 5th, 2020, 23:19
Posts: 4
Location: lsttt
I have a seagate st1000lm035 originally from my xbox one x. Last month my xbox couldn't reboot after an system update, it seems that there was something wrong with the hard disk or the file system, so I fixed it by replacing the hard drive.
I connectted the removed hard drive to my pc and I found everything normal except the capacity. About 30GB was perfectly gone, I tried many msdos, windows or linux hdd recovery tools, but none can detect the lost capacity.
So how could this happen? Any ideas?

Quote:
smartctl 6.6 2016-05-31 r4324 [x86_64-linux-4.15.0-30deepin-generic] (local build)
Copyright (C) 2002-16, Bruce Allen, Christian Franke, www.smartmontools.org

=== START OF INFORMATION SECTION ===
Device Model: ST1000LM035-1RK172
Serial Number: WDEMF4TZ
LU WWN Device Id: 5 000c50 0ab8ceb17
Firmware Version: SDM3
User Capacity: 970,199,064,576 bytes [970 GB]
Sector Sizes: 512 bytes logical, 4096 bytes physical
Rotation Rate: 5400 rpm
Form Factor: 2.5 inches
Device is: Not in smartctl database [for details use: -P showall]
ATA Version is: ACS-3 T13/2161-D revision 3b
SATA Version is: SATA 3.1, 6.0 Gb/s (current: 3.0 Gb/s)
Local Time is: Thu Feb 6 11:14:17 2020 CST
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: (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: ( 0) seconds.
Offline data collection
capabilities: (0x71) SMART execute Offline immediate.
No Auto Offline data collection support.
Suspend Offline collection upon new
command.
No 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: ( 1) minutes.
Extended self-test routine
recommended polling time: ( 156) minutes.
Conveyance self-test routine
recommended polling time: ( 2) minutes.
SCT capabilities: (0x3035) SCT Status supported.
SCT Feature Control supported.
SCT Data Table 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 080 064 006 Pre-fail Always - 99359574
3 Spin_Up_Time 0x0003 099 099 000 Pre-fail Always - 0
4 Start_Stop_Count 0x0032 100 100 020 Old_age Always - 648
5 Reallocated_Sector_Ct 0x0033 100 100 036 Pre-fail Always - 0
7 Seek_Error_Rate 0x000f 071 060 045 Pre-fail Always - 11572779
9 Power_On_Hours 0x0032 100 100 000 Old_age Always - 447 (176 187 0)
10 Spin_Retry_Count 0x0013 100 100 097 Pre-fail Always - 0
12 Power_Cycle_Count 0x0032 100 100 020 Old_age Always - 607
184 End-to-End_Error 0x0032 099 099 099 Old_age Always FAILING_NOW 1
187 Reported_Uncorrect 0x0032 100 100 000 Old_age Always - 0
188 Command_Timeout 0x0032 100 096 000 Old_age Always - 24
189 High_Fly_Writes 0x003a 100 100 000 Old_age Always - 0
190 Airflow_Temperature_Cel 0x0022 074 053 040 Old_age Always - 26 (Min/Max 26/27)
191 G-Sense_Error_Rate 0x0032 100 100 000 Old_age Always - 0
192 Power-Off_Retract_Count 0x0032 100 100 000 Old_age Always - 9
193 Load_Cycle_Count 0x0032 099 099 000 Old_age Always - 2185
194 Temperature_Celsius 0x0022 026 047 000 Old_age Always - 26 (0 11 0 0 0)
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 200 178 000 Old_age Always - 11311
240 Head_Flying_Hours 0x0000 100 253 000 Old_age Offline - 386 (50 41 0)
241 Total_LBAs_Written 0x0000 100 253 000 Old_age Offline - 2500235327
242 Total_LBAs_Read 0x0000 100 253 000 Old_age Offline - 8662531049
254 Free_Fall_Sensor 0x0032 100 100 000 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 Aborted by host 90% 446 -
# 2 Short offline Completed without error 00% 446 -
# 3 Short offline Completed without error 00% 446 -
# 4 Extended offline Aborted by host 90% 419 -
# 5 Short offline Completed without error 00% 419 -
# 6 Short offline Completed without error 00% 369 -

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.



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 Post subject: Re: Mysterious capacity loss on a 1TB seagate hard drive
PostPosted: February 6th, 2020, 13:32 
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Joined: September 8th, 2009, 18:21
Posts: 12171
Location: Australia
The drive could have a HPA (Host Protected Area). You can remove the HPA with tools such as HDAT2, hdparm, Seatools for DOS, HDD Capacity Restore Tool.

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 Post subject: Re: Mysterious capacity loss on a 1TB seagate hard drive
PostPosted: February 7th, 2020, 0:23 
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Joined: February 5th, 2020, 23:19
Posts: 4
Location: lsttt
fzabkar wrote:
The drive could have a HPA (Host Protected Area). You can remove the HPA with tools such as HDAT2, hdparm, Seatools for DOS, HDD Capacity Restore Tool.

I also thought it was a problem with hpa, but I tried HDD Capacity Restore and seatools for dos, did not work.


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 Post subject: Re: Mysterious capacity loss on a 1TB seagate hard drive
PostPosted: February 7th, 2020, 21:13 
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Joined: September 8th, 2009, 18:21
Posts: 12171
Location: Australia
The HPA feature set may be hidden by a DCO. If so, then HDAT2 should be able to work around this.

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 Post subject: Re: Mysterious capacity loss on a 1TB seagate hard drive
PostPosted: February 8th, 2020, 6:03 
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Joined: February 5th, 2020, 23:19
Posts: 4
Location: lsttt
fzabkar wrote:
The HPA feature set may be hidden by a DCO. If so, then HDAT2 should be able to work around this.

Thank yor for the reply. I tried hdat2 and victoria but both of them did not show the right capacity of the hard drive.
I have some screenshots of hdat2, could you see anything wrong with these parameters?


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 Post subject: Re: Mysterious capacity loss on a 1TB seagate hard drive
PostPosted: February 8th, 2020, 15:38 
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Joined: September 8th, 2009, 18:21
Posts: 12171
Location: Australia
Q2: How to bypass a Security and/or DCO frozen state?
https://www.hdat2.com/hdat2_faq.html#q2

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 Post subject: Re: Mysterious capacity loss on a 1TB seagate hard drive
PostPosted: February 9th, 2020, 0:09 
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Joined: February 5th, 2020, 23:19
Posts: 4
Location: lsttt
fzabkar wrote:
Q2: How to bypass a Security and/or DCO frozen state?
https://www.hdat2.com/hdat2_faq.html#q2


I bypased the frozen. But hdat did not detect a dco hidden area.


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