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BTRFS Cache Drive shows as unformatted.

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I had a power outage today, and when I started my array back up and tried to use Plex, it started giving me errors saying it could not find the media. After another reboot, docker will not start, I checked and my cache drive shows as unformatted. I tried to mount it but i get an error that it "can't read the superblock".

 

Does anyone have any ideas on how to repair?

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I think it's a bad drive:

=== START OF INFORMATION SECTION ===

Model Family:    Seagate Barracuda 7200.14 (AF)

Device Model:    ST2000DM001-1CH164

Serial Number:    Z1E2C4S7

LU WWN Device Id: 5 000c50 04f347dfa

Firmware Version: CC24

User Capacity:    2,000,398,934,016 bytes [2.00 TB]

Sector Sizes:    512 bytes logical, 4096 bytes physical

Rotation Rate:    7200 rpm

Device is:        In smartctl database [for details use: -P show]

ATA Version is:  ATA8-ACS T13/1699-D revision 4

SATA Version is:  SATA 3.0, 6.0 Gb/s (current: 3.0 Gb/s)

Local Time is:    Sat Nov 15 21:46:21 2014 PST

 

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  106  099  006    Pre-fail  Always      -      192664887

  3 Spin_Up_Time            0x0003  097  096  000    Pre-fail  Always      -      0

  4 Start_Stop_Count        0x0032  100  100  020    Old_age  Always      -      173

  5 Reallocated_Sector_Ct  0x0033  100  100  010    Pre-fail  Always      -      0

  7 Seek_Error_Rate        0x000f  078  060  030    Pre-fail  Always      -      62779968

  9 Power_On_Hours          0x0032  083  083  000    Old_age  Always      -      15308

10 Spin_Retry_Count        0x0013  100  100  097    Pre-fail  Always      -      0

12 Power_Cycle_Count      0x0032  100  100  020    Old_age  Always      -      161

183 Runtime_Bad_Block      0x0032  100  100  000    Old_age  Always      -      0

184 End-to-End_Error        0x0032  100  100  099    Old_age  Always      -      0

187 Reported_Uncorrect      0x0032  082  082  000    Old_age  Always      -      18

188 Command_Timeout        0x0032  100  099  000    Old_age  Always      -      11 11 11

189 High_Fly_Writes        0x003a  020  020  000    Old_age  Always      -      80

190 Airflow_Temperature_Cel 0x0022  062  050  045    Old_age  Always      -      38 (Min/Max 33/38)

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      -      122

193 Load_Cycle_Count        0x0032  073  073  000    Old_age  Always      -      55197

194 Temperature_Celsius    0x0022  038  050  000    Old_age  Always      -      38 (0 19 0 0 0)

197 Current_Pending_Sector  0x0012  099  099  000    Old_age  Always      -      240

198 Offline_Uncorrectable  0x0010  099  099  000    Old_age  Offline      -      240

199 UDMA_CRC_Error_Count    0x003e  200  200  000    Old_age  Always      -      0

240 Head_Flying_Hours      0x0000  100  253  000    Old_age  Offline      -      12439h+25m+49.601s

241 Total_LBAs_Written      0x0000  100  253  000    Old_age  Offline      -      159658099917

242 Total_LBAs_Read        0x0000  100  253  000    Old_age  Offline      -      150667917197

 

 

Power outages can do weird things to drives. Good idea to invest in a ups to help prevent that kind of stuff from happening in that circumstance.

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