Similar to this poster - My cloud EX2 ultra - second drive Appears bad - my drive 2 appears in my dashboard as “bad.”
Not sure if it is actually bad or if it’s just reading that way. Also can’t find any guidance in the help docs on how to tell. Looking for any info or pointers.
And my RAID is listed as healthy.
Also, if it is actually bad, can it be swapped out or do I need to buy a whole new my Cloud to ensure that if one drive dies I have a backup.
Thanks,
A.
Abstracted some stuff for security but this is what I got from running smartctl -a /dev/sda via ssh
It’s a 2-disk, 12 TB unit. Not sure if the User Capacity listed below means it’s only testing one drive or this is expressing total usable space.
== BEGIN OUTPUT ==
BusyBox v1.30.1 (2020-09-04 02:41:28 UTC) built-in shell (ash)
Enter ‘help’ for a list of built-in commands.
root@[my_server] ~ # smartctl -a /dev/sda
smartctl 6.6 2017-11-05 r4594 [armv7l-linux-4.14.22-armada-18.09.3] (local build)
Copyright (C) 2002-17, Bruce Allen, Christian Franke, www.smartmontools.org
=== START OF INFORMATION SECTION ===
Device Model: WDC WD60EFAX-68SHWN0
Serial Number: [my_serial_number]
LU WWN Device Id: [my_device_id]
Firmware Version: 82.00A82
User Capacity: 6,001,175,126,016 bytes [6.00 TB]
Sector Sizes: 512 bytes logical, 4096 bytes physical
Rotation Rate: 5400 rpm
Form Factor: 3.5 inches
Device is: Not in smartctl database [for details use: -P showall]
ATA Version is: ACS-3 T13/2161-D revision 5
SATA Version is: SATA 3.1, 6.0 Gb/s (current: 6.0 Gb/s)
Local Time is: Fri Oct 15 07:52:08 2021 EDT
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: (38940) 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: ( 127) minutes.
Conveyance self-test routine
recommended polling time: ( 2) minutes.
SCT capabilities: (0x303d) SCT Status supported.
SCT Error Recovery Control 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 0x002f 200 200 051 Pre-fail Always - 0
3 Spin_Up_Time 0x0027 239 229 021 Pre-fail Always - 3041
4 Start_Stop_Count 0x0032 083 083 000 Old_age Always - 17228
5 Reallocated_Sector_Ct 0x0033 200 200 140 Pre-fail Always - 0
7 Seek_Error_Rate 0x002e 200 200 000 Old_age Always - 0
9 Power_On_Hours 0x0032 079 079 000 Old_age Always - 15478
10 Spin_Retry_Count 0x0032 100 100 000 Old_age Always - 0
11 Calibration_Retry_Count 0x0032 100 253 000 Old_age Always - 0
12 Power_Cycle_Count 0x0032 100 100 000 Old_age Always - 28
192 Power-Off_Retract_Count 0x0032 200 200 000 Old_age Always - 23
193 Load_Cycle_Count 0x0032 195 195 000 Old_age Always - 17204
194 Temperature_Celsius 0x0022 102 097 000 Old_age Always - 48
196 Reallocated_Event_Count 0x0032 200 200 000 Old_age Always - 0
197 Current_Pending_Sector 0x0032 200 200 000 Old_age Always - 0
198 Offline_Uncorrectable 0x0030 100 253 000 Old_age Offline - 0
199 UDMA_CRC_Error_Count 0x0032 200 200 000 Old_age Always - 0
200 Multi_Zone_Error_Rate 0x0008 100 253 000 Old_age Offline - 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
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.
root@[my_server] ~ #
WD60EFAX WD Red hard drives use SMR (Shingled Magnetic Recording) technology which is NOT suitable for use with RAID arrays.
Is there an application for which SMR drives are suitable?
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