secure erase drive errors

[jd1008]

during secure erase, I am seeing these continuous rolling errors
in /var/log/messages

   Jun 23 16:00:37 localhost kernel: ata6.00: error: { ABRT }
Jun 23 16:00:37 localhost kernel: ata6.00: configured for UDMA/100
Jun 23 16:00:37 localhost kernel: ata6: EH complete
Jun 23 16:00:37 localhost kernel: ata6.00: exception Emask 0x0 SAct 0x0 
SErr 0x0 action 0x0
Jun 23 16:00:37 localhost kernel: ata6.00: irq_stat 0x00060002, device 
error via D2H FIS
Jun 23 16:00:37 localhost kernel: ata6.00: failed command: WRITE DMA EXT
Jun 23 16:00:37 localhost kernel: ata6.00: cmd 
35/00:00:b0:b5:47/00:04:02:00:00/e0 tag 0 dma 524288 out
          res 51/04:00:b0:b5:47/00:04:02:00:00/e0 Emask 0x1 (device error)
Jun 23 16:00:37 localhost kernel: ata6.00: status: { DRDY ERR }
Jun 23 16:00:37 localhost kernel: ata6.00: error: { ABRT }
Jun 23 16:00:37 localhost kernel: ata6.00: configured for UDMA/100
Jun 23 16:00:37 localhost kernel: sd 6:0:0:0: [sdc]
Jun 23 16:00:37 localhost kernel: Result: hostbyte=DID_OK 
driverbyte=DRIVER_SENSE
Jun 23 16:00:37 localhost kernel: sd 6:0:0:0: [sdc]
Jun 23 16:00:37 localhost kernel: Sense Key : Aborted Command [current] 
[descriptor]
Jun 23 16:00:37 localhost kernel: Descriptor sense data with sense 
descriptors (in hex):
Jun 23 16:00:37 localhost kernel:        72 0b 00 00 00 00 00 0c 00 0a 
80 00 00 00 00 00
Jun 23 16:00:37 localhost kernel:        02 47 b5 b0
Jun 23 16:00:37 localhost kernel: sd 6:0:0:0: [sdc]
Jun 23 16:00:37 localhost kernel: Add. Sense: No additional sense 
information
Jun 23 16:00:37 localhost kernel: sd 6:0:0:0: [sdc] CDB:
Jun 23 16:00:37 localhost kernel: Write(10): 2a 00 02 47 b5 b0 00 04 00 00
Jun 23 16:00:37 localhost kernel: end_request: I/O error, dev sdc, 
sector 38254000
Jun 23 16:00:37 localhost kernel: ata6: EH complete
Jun 23 16:00:37 localhost kernel: ata6.00: exception Emask 0x0 SAct 0x0 
SErr 0x0 action 0x0
Jun 23 16:00:37 localhost kernel: ata6.00: irq_stat 0x00060002, device 
error via D2H FIS
Jun 23 16:00:37 localhost kernel: ata6.00: failed command: WRITE DMA EXT
Jun 23 16:00:37 localhost kernel: ata6.00: cmd 
35/00:00:b0:b9:47/00:04:02:00:00/e0 tag 0 dma 524288 out
          res 51/04:00:b0:b9:47/00:04:02:00:00/e0 Emask 0x1 (device error)
Jun 23 16:00:37 localhost kernel: ata6.00: status: { DRDY ERR }
Jun 23 16:00:37 localhost kernel: ata6.00: error: { ABRT }


So, then, the drive is DeD dead ????