Re: Invalid optimal transfer size 33553920 accepted when physical_block_size 512

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Can you send me the output of:
# dmesg | grep "sd 2:0:0:0"

and

# sg_inq /dev/sdc

Thanks!

Relevant section from dmesg:

    [11987.820542] scsi host6: uas
[11987.821278] scsi 6:0:0:0: Direct-Access     Seagate  Backup+ Hub BK   D781 PQ: 0 ANSI: 6
[11987.822003] sd 6:0:0:0: Attached scsi generic sg3 type 0
[11987.822117] sd 6:0:0:0: [sdc] Spinning up disk...
[11988.874931] .............ready
[12001.355881] sd 6:0:0:0: [sdc] 15628053167 512-byte logical blocks: (8.00 TB/7.28 TiB)
[12001.388502] sd 6:0:0:0: [sdc] Write Protect is off
[12001.388511] sd 6:0:0:0: [sdc] Mode Sense: 4f 00 00 00
[12001.388843] sd 6:0:0:0: [sdc] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[12001.389144] sd 6:0:0:0: [sdc] Optimal transfer size 33553920 bytes
[12001.475091] sd 6:0:0:0: [sdc] Attached SCSI disk

# sg_inq /dev/sdc
standard INQUIRY:
  PQual=0  Device_type=0  RMB=0  LU_CONG=0 version=0x06  [SPC-4]
  [AERC=0]  [TrmTsk=0]  NormACA=0  HiSUP=0 Resp_data_format=2
  SCCS=0  ACC=0  TPGS=0  3PC=0  Protect=0 [BQue=0]
  EncServ=0  MultiP=0  [MChngr=0] [ACKREQQ=0]  Addr16=0
  [RelAdr=0]  WBus16=0  Sync=0  [Linked=0] [TranDis=0]  CmdQue=1
  [SPI: Clocking=0x0  QAS=0  IUS=0]
    length=76 (0x4c)   Peripheral device type: disk
Vendor identification: Seagate
Product identification: Backup+ Hub BK
Product revision level: D781
Unit serial number: NA9Q19AM

Hope this helps




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