Unable to mount USB Flash memory created on CentOS

James B. Byrne byrnejb at harte-lyne.ca
Fri Jul 28 20:32:28 UTC 2017


I inserted one of the other usb sticks that were involved with the
initial incident and see this:

ugen3.2: <Verbatim> at usbus3
umass0: <Verbatim STORE N GO, class 0/0, rev 2.00/1.10, addr 2> on usbus3
umass0:  SCSI over Bulk-Only; quirks = 0xc100
umass0:5:0: Attached to scbus5
da0 at umass-sim0 bus 0 scbus5 target 0 lun 0
da0: <Verbatim STORE N GO 5.00> Removable Direct Access SCSI device
da0: Serial Number 078610A01958
da0: 40.000MB/s transfers
da0: 1911MB (3913728 512 byte sectors)
da0: quirks=0x2<NO_6_BYTE>



Looking at /var/log/messages I see this:

# tail /var/log/messages
Jul 28 16:14:46 vhost04 kernel: ugen3.2: <Verbatim> at usbus3
Jul 28 16:14:46 vhost04 kernel: umass0: <Verbatim STORE N GO, class
0/0, rev 2.00/1.10, addr 2> on usbus3
Jul 28 16:14:46 vhost04 kernel: umass0:  SCSI over Bulk-Only; quirks =
0xc100
Jul 28 16:14:46 vhost04 kernel: umass0:5:0: Attached to scbus5
Jul 28 16:14:46 vhost04 kernel: da0 at umass-sim0 bus 0 scbus5 target
0 lun 0
Jul 28 16:14:46 vhost04 kernel: da0: <Verbatim STORE N GO 5.00>
Removable Direct Access SCSI device
Jul 28 16:14:46 vhost04 kernel: da0: Serial Number 078610A01958
Jul 28 16:14:46 vhost04 kernel: da0: 40.000MB/s transfers
Jul 28 16:14:46 vhost04 kernel: da0: 1911MB (3913728 512 byte sectors)
Jul 28 16:14:46 vhost04 kernel: da0: quirks=0x2<NO_6_BYTE>


But this does not mount either.  However, the message is different:

Cannot mount volume
Unable to mount the volume 'CA_HLL_2016'.

Mount: /dev/ext2fs/CA_HLL_2016: Operation not supported by device


gpart list da0
Geom name: da0
modified: false
state: OK
fwheads: 255
fwsectors: 63
last: 3913727
first: 1
entries: 4
scheme: MBR
Providers:
1. Name: da0s1
   Mediasize: 2003522560 (1.9G)
   Sectorsize: 512
   Stripesize: 0
   Stripeoffset: 31744
   Mode: r0w0e0
   rawtype: 131
   length: 2003522560
   offset: 31744
   type: linux-data
   index: 1
   end: 3913191
   start: 62
Consumers:
1. Name: da0
   Mediasize: 2003828736 (1.9G)
   Sectorsize: 512
   Mode: r0w0e0



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James B. Byrne                mailto:ByrneJB at Harte-Lyne.ca
Harte & Lyne Limited          http://www.harte-lyne.ca
9 Brockley Drive              vox: +1 905 561 1241
Hamilton, Ontario             fax: +1 905 561 0757
Canada  L8E 3C3



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