Skip site navigation (1)Skip section navigation (2)
Date:      Wed, 19 Aug 2020 13:31:07 +0200
From:      Christoph Kukulies <kuku@kukulies.org>
To:        Ruben via freebsd-questions <freebsd-questions@freebsd.org>
Subject:   Correct way to disconnect/eject an USB hard disk ?
Message-ID:  <C6B11926-65BE-4A05-B421-9F3E9C9AACF6@kukulies.org>

Next in thread | Raw E-Mail | Index | Archive | Help

--Apple-Mail=_90A54F2C-0535-4228-8191-630B1A4365AB
Content-Transfer-Encoding: quoted-printable
Content-Type: text/plain;
	charset=utf-8

I had this /dev/da4 external USB drive connected to the system and had =
mounted
/dev/da4s3 to /mnt.

After unmounting, are there any other measures to cleanly disconnect the =
device?

I found that someone wrote to use

camcontrol eject <dev>

This is my picture:

dev/da0	/dev/da3	/dev/da4s2	/dev/da5
/dev/da1	/dev/da4	/dev/da4s3	/dev/da5p1
/dev/da2	/dev/da4s1	/dev/da4s4	/dev/da5p2
# camcontrol devlist
<KINGSTON SA400S37240G SBFKB1D1>   at scbus0 target 0 lun 0 (ada0,pass0)
<WDC WD10EADS-22M2B0 01.00A01>     at scbus1 target 0 lun 0 (ada1,pass1)
<Samsung SSD 840 EVO 120GB EXT0AB0Q>  at scbus2 target 0 lun 0 =
(ada2,pass2)
<SAMSUNG HD502HJ 1AJ100E4>         at scbus3 target 0 lun 0 (ada3,pass3)
<HL-DT-ST DVDRAM GH24NSD5 LV00>    at scbus4 target 0 lun 0 (cd0,pass4)
<CREATIVE CD5230E 1.01>            at scbus6 target 1 lun 0 (cd1,pass5)
<HD0 SCSI2SD 4.2>                  at scbus7 target 0 lun 0 (da0,pass6)
<HD1 SCSI2SD 4.2>                  at scbus7 target 1 lun 0 (da1,pass7)
<HD2 SCSI2SD 4.2>                  at scbus7 target 2 lun 0 (da2,pass8)
<HD3 SCSI2SD 4.2>                  at scbus7 target 3 lun 0 (da3,pass9)
<WDC WD30 EFRX-68EUZN0 0107>       at scbus8 target 0 lun 0 (da4,pass10)
<WDC WD30 EZRX-00MMMB0 0107>       at scbus8 target 0 lun 1 (da5,pass11)
# camcontrol eject da4
Error received from stop unit command

?
=E2=80=94
Christoph


--Apple-Mail=_90A54F2C-0535-4228-8191-630B1A4365AB
Content-Disposition: attachment;
	filename=smime.p7s
Content-Type: application/pkcs7-signature;
	name=smime.p7s
Content-Transfer-Encoding: base64
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--Apple-Mail=_90A54F2C-0535-4228-8191-630B1A4365AB--



Want to link to this message? Use this URL: <http://docs.FreeBSD.org/cgi/mid.cgi?C6B11926-65BE-4A05-B421-9F3E9C9AACF6>