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안녕하세요?
이상한 증상이 발생해서 이렇게 문의드립니다.
타오나스B 모델에 CentOS 7을 올려서 NAS로 활용하고 있습니다.
기존 WD 8TB와 12TB 이렇게 2개를 장착해서 사용 중에
해뽐에 올라온 Seagate Exos X16 12TB 제품(제조사 리퍼)을 받아서 기존 WD 12TB를 빼고, 받은 Seagate 12TB를 장착하였습니다.
문제는 CentOS 7의 fdisk, mkfs.ext4 작업시에 에러가 발생합니다. (parted에서도 동일 에러 발생)
처음에는 리퍼 제품인 만큼 하드 자체 불량으로 추정하였습니다.
하지만, 동일한 Seagate 하드를 다른 PC(Windows 10 환경)에 물려서 Bad sector 등을 확인하면 너무나 깨끗합니다.
읽고/쓰기도 아무 문제가 없습니다.
그리고, 이 문제의 하드를 USB 외장 하드 케이스에 넣어서 에러가 발생하는 타오나스에 USB로 물리면,
fdisk, mkfs, READ/WRITE 모두 정상입니다.
타오나스B 모델이 네이티브 SATA가 아니라서 뭔가 Seagate와 호환성 문제가 발생하는 것 같습니다.
타오나스는 베이 구조적으로 HDD에 3.3V 전원이 인가되지 않습니다. 따라서 한때 WD 대용량에서 발생한 3.3V 문제도 아닙니다.
Seagate HDD를 베이에 직접 물렸을 때에 나오는 에러들입니다.
===
Feb 14 06:35:12 taonas kernel: ata6.00: exception Emask 0x0 SAct 0x0 SErr 0x400000 action 0x6 frozen
Feb 14 06:35:12 taonas kernel: ata6: SError: { Handshk }
Feb 14 06:35:12 taonas kernel: ata6.00: failed command: WRITE DMA
Feb 14 06:35:12 taonas kernel: ata6.00: cmd ca/00:a8:7a:16:0c/00:00:00:00:00/e0 tag 6 dma 86016 out#012 res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
Feb 14 06:35:12 taonas kernel: ata6.00: status: { DRDY }
Feb 14 06:35:12 taonas kernel: ata6: hard resetting link
Feb 14 06:35:12 taonas kernel: ata6: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
Feb 14 06:35:12 taonas kernel: ata6.00: configured for UDMA/33
Feb 14 06:35:12 taonas kernel: ata6.00: device reported invalid CHS sector 0
Feb 14 06:35:12 taonas kernel: ata6: EH complete
Feb 14 06:35:43 taonas kernel: ata6.00: exception Emask 0x0 SAct 0x0 SErr 0x400000 action 0x6 frozen
Feb 14 06:35:43 taonas kernel: ata6: SError: { Handshk }
Feb 14 06:35:43 taonas kernel: ata6.00: failed command: WRITE DMA
Feb 14 06:35:43 taonas kernel: ata6.00: cmd ca/00:a8:7a:16:0c/00:00:00:00:00/e0 tag 8 dma 86016 out#012 res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
Feb 14 06:35:43 taonas kernel: ata6.00: status: { DRDY }
Feb 14 06:35:43 taonas kernel: ata6: hard resetting link
Feb 14 06:35:44 taonas kernel: ata6: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
Feb 14 06:35:44 taonas kernel: ata6.00: configured for UDMA/33
Feb 14 06:35:44 taonas kernel: ata6.00: device reported invalid CHS sector 0
Feb 14 06:35:44 taonas kernel: ata6: EH complete
Feb 14 06:36:15 taonas kernel: ata6.00: exception Emask 0x0 SAct 0x0 SErr 0x400000 action 0x6 frozen
Feb 14 06:36:15 taonas kernel: ata6: SError: { Handshk }
Feb 14 06:36:15 taonas kernel: ata6.00: failed command: WRITE DMA
Feb 14 06:36:15 taonas kernel: ata6.00: cmd ca/00:a8:7a:16:0c/00:00:00:00:00/e0 tag 10 dma 86016 out#012 res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
Feb 14 06:36:15 taonas kernel: ata6.00: status: { DRDY }
Feb 14 06:36:15 taonas kernel: ata6: hard resetting link
Feb 14 06:36:15 taonas kernel: ata6: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
Feb 14 06:36:15 taonas kernel: ata6.00: configured for UDMA/33
Feb 14 06:36:15 taonas kernel: ata6.00: device reported invalid CHS sector 0
Feb 14 06:36:15 taonas kernel: ata6: EH complete
Feb 14 06:36:46 taonas kernel: ata6.00: exception Emask 0x0 SAct 0x0 SErr 0x400000 action 0x6 frozen
Feb 14 06:36:46 taonas kernel: ata6: SError: { Handshk }
Feb 14 06:36:46 taonas kernel: ata6.00: failed command: WRITE DMA
Feb 14 06:36:46 taonas kernel: ata6.00: cmd ca/00:a8:7a:16:0c/00:00:00:00:00/e0 tag 12 dma 86016 out#012 res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
Feb 14 06:36:46 taonas kernel: ata6.00: status: { DRDY }
Feb 14 06:36:46 taonas kernel: ata6: hard resetting link
Feb 14 06:36:46 taonas kernel: ata6: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
Feb 14 06:36:46 taonas kernel: ata6.00: configured for UDMA/33
Feb 14 06:36:46 taonas kernel: ata6.00: device reported invalid CHS sector 0
Feb 14 06:36:46 taonas kernel: ata6: EH complete
Feb 14 06:37:17 taonas kernel: ata6.00: exception Emask 0x0 SAct 0x0 SErr 0x400000 action 0x6 frozen
Feb 14 06:37:17 taonas kernel: ata6: SError: { Handshk }
Feb 14 06:37:17 taonas kernel: ata6.00: failed command: WRITE DMA
Feb 14 06:37:17 taonas kernel: ata6.00: cmd ca/00:a8:7a:16:0c/00:00:00:00:00/e0 tag 14 dma 86016 out#012 res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
Feb 14 06:37:17 taonas kernel: ata6.00: status: { DRDY }
Feb 14 06:37:17 taonas kernel: ata6: hard resetting link
Feb 14 06:37:17 taonas kernel: ata6: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
Feb 14 06:37:17 taonas kernel: ata6.00: configured for UDMA/33
Feb 14 06:37:17 taonas kernel: ata6.00: device reported invalid CHS sector 0
Feb 14 06:37:17 taonas kernel: ata6: EH complete
Feb 14 06:37:48 taonas kernel: ata6.00: exception Emask 0x0 SAct 0x0 SErr 0x400000 action 0x6 frozen
Feb 14 06:37:48 taonas kernel: ata6: SError: { Handshk }
Feb 14 06:37:48 taonas kernel: ata6.00: failed command: WRITE DMA
Feb 14 06:37:48 taonas kernel: ata6.00: cmd ca/00:a8:7a:16:0c/00:00:00:00:00/e0 tag 16 dma 86016 out#012 res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
Feb 14 06:37:48 taonas kernel: ata6.00: status: { DRDY }
Feb 14 06:37:48 taonas kernel: ata6: hard resetting link
Feb 14 06:37:48 taonas kernel: ata6: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
Feb 14 06:37:49 taonas kernel: ata6.00: configured for UDMA/33
Feb 14 06:37:49 taonas kernel: ata6.00: device reported invalid CHS sector 0
Feb 14 06:37:49 taonas kernel: sd 5:0:0:0: [sdc] tag#16 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE cmd_age=377s
Feb 14 06:37:49 taonas kernel: sd 5:0:0:0: [sdc] tag#16 Sense Key : Illegal Request [current] [descriptor]
Feb 14 06:37:49 taonas kernel: sd 5:0:0:0: [sdc] tag#16 Add. Sense: Unaligned write command
Feb 14 06:37:49 taonas kernel: sd 5:0:0:0: [sdc] tag#16 CDB: Write(16) 8a 00 00 00 00 00 00 0c 16 7a 00 00 00 a8 00 00
Feb 14 06:37:49 taonas kernel: blk_update_request: I/O error, dev sdc, sector 792186
Feb 14 06:37:49 taonas kernel: buffer_io_error: 158 callbacks suppressed
Feb 14 06:37:49 taonas kernel: Buffer I/O error on dev sdc1, logical block 792152, lost async page write
Feb 14 06:37:49 taonas kernel: Buffer I/O error on dev sdc1, logical block 792153, lost async page write
Feb 14 06:37:49 taonas kernel: Buffer I/O error on dev sdc1, logical block 792154, lost async page write
Feb 14 06:37:49 taonas kernel: Buffer I/O error on dev sdc1, logical block 792155, lost async page write
Feb 14 06:37:49 taonas kernel: Buffer I/O error on dev sdc1, logical block 792156, lost async page write
Feb 14 06:37:49 taonas kernel: Buffer I/O error on dev sdc1, logical block 792157, lost async page write
Feb 14 06:37:49 taonas kernel: Buffer I/O error on dev sdc1, logical block 792158, lost async page write
Feb 14 06:37:49 taonas kernel: Buffer I/O error on dev sdc1, logical block 792159, lost async page write
Feb 14 06:37:49 taonas kernel: Buffer I/O error on dev sdc1, logical block 792160, lost async page write
Feb 14 06:37:49 taonas kernel: Buffer I/O error on dev sdc1, logical block 792161, lost async page write
===
혹시 이 문제를 해결할 방법이 있을까요?
작은 Tip이라도 아시면 좀 알려주십시오.
감사합니다. ^^ | 
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아작
arpl로 dsm 7.0 쉽게 올리는데..... 그걸로 한번 테스트 해보세요.
리눅스가 자유도가 높고, 제가 더 익숙해서 그냥 CentOS를 사용하고 있습니다.
DSM을 USB 메모리에 담아서 부팅해봐야겠네요.