10 More Discussions You Might Find Interesting
1. UNIX for Beginners Questions & Answers
mount -f nfs 1234:/export/ert /der/fr/ert
mount : /der/fr/ert: device busy
normally I will then do an
fuser filesystem
and kill the pids, which I did.
now if I do an fuser /der/fr/ert
I get the mount point and no pid
> fuser /der/fr/ert
/der/fr/ert:
but it... (1 Reply)
Discussion started by: goya
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2. HP-UX
Hi,
Unable to make tape backup, please help.
/opt/ignite/bin/make_tape_recovery -a /dev/rmt/?mn -I -v -m tar -x inc_entire=vg00
* Creating local directories for configuration files and archive.
======= 04/25/16 16:28:08 IST Started /opt/ignite/bin/make_tape_recovery.
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3. Solaris
The green cdrom light is blinking on our Sun Solaris server. I tried the eject command to eject cdrom:
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cdrom: No such file or directory
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No default media available
bash-2.05# eject cdrom0
cdrom0: No such file or directory
The message log file shows:
Oct 19... (6 Replies)
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4. Solaris
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5. UNIX for Dummies Questions & Answers
Hi,
I'm trying to do a sharity mount to mount a terastation network drive.
I'm getting a Device or resource busy message after my mount command. Please see output below...
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Device or resource busy.... (2 Replies)
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6. Solaris
Hi,
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7. HP-UX
Anyone have any idea why I cannot umount a directory even though fuser shows no process attached to it?
fuser -cu /data/oracle/GMPSHRDM/export
/data/oracle/GMPSHRDM/export:
umount /data/oracle/GMPSHRDM/export
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8. AIX
Now i have a prolem!
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or how can i eject my cdrom?
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9. Solaris
Hi I have placed a CD into the rom and now I can not eject it.
when i type in
eject cdrom i get the follwing error
root@ssdb0009 # eject cdrom
/vol/dev/rdsk/c0t6d0/dp_a0500_solaris_7_and_8_cd: Device busy
Therefore i try and eject it with the -f option (eject -f cdrom) I still get the... (4 Replies)
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10. UNIX for Dummies Questions & Answers
I'm trying to unmount a file system, but umount says the device is busy. A fuser -c /myfs tells me that nothing on this fs is in use. Any idea?
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EJECT(1) User Commands EJECT(1)
NAME
eject - eject removable media
SYNOPSIS
eject [options] device|mountpoint
DESCRIPTION
Eject allows removable media (typically a CD-ROM, floppy disk, tape, JAZ, ZIP or USB disk) to be ejected under software control. The com-
mand can also control some multi-disc CD-ROM changers, the auto-eject feature supported by some devices, and close the disc tray of some
CD-ROM drives.
The device corresponding to device or mountpoint is ejected. If no name is specified, the default name /dev/cdrom is used. The device may
be addressed by device name (e.g. 'sda'), device path (e.g. '/dev/sda'), UUID=<uuid> or LABEL=<label> tags.
There are four different methods of ejecting, depending on whether the device is a CD-ROM, SCSI device, removable floppy, or tape. By
default eject tries all four methods in order until it succeeds.
If device partition is specified, the whole-disk device is used. If the device or a device partition is currently mounted, it is unmounted
before ejecting.
OPTIONS
-a, --auto on|off
This option controls the auto-eject mode, supported by some devices. When enabled, the drive automatically ejects when the device
is closed.
-c, --changerslot slot
With this option a CD slot can be selected from an ATAPI/IDE CD-ROM changer. Linux 2.0 or higher is required to use this feature.
The CD-ROM drive can not be in use (mounted data CD or playing a music CD) for a change request to work. Please also note that the
first slot of the changer is referred to as 0, not 1.
-d, --default
List the default device name.
-f, --floppy
This option specifies that the drive should be ejected using a removable floppy disk eject command.
-F, --force
Force eject, don't check device type.
-h, --help
Print a help text and exit.
-i, --manualeject on|off
This option controls locking of the hardware eject button. When enabled, the drive will not be ejected when the button is pressed.
This is useful when you are carrying a laptop in a bag or case and don't want it to eject if the button is inadvertently pressed.
-p, --proc
This option allow you to use /proc/mounts instead /etc/mtab. It also passes the -n option to umount(1).
-q, --tape
This option specifies that the drive should be ejected using a tape drive offline command.
-m, --no-unmount
The option tells eject to not try to unmount at all.
-M, --no-partitions-unmount
The option tells eject to not try to unmount another partitions on partitioned devices. If another partition is mounted the program
will not attempt to eject the media. It will attempt to unmount only mountpoint or mounted device given on eject command line.
-n, --noop
With this option the selected device is displayed but no action is performed.
-t, --trayclose
With this option the drive is given a CD-ROM tray close command. Not all devices support this command.
-T, --traytoggle
With this option the drive is given a CD-ROM tray close command if it's opened, and a CD-ROM tray eject command if it's closed. Not
all devices support this command, because it uses the above CD-ROM tray close command.
-r, --cdrom
This option specifies that the drive should be ejected using a CDROM eject command.
-s, --scsi
This option specifies that the drive should be ejected using SCSI commands.
-v, --verbose
Run in verbose mode; more information is displayed about what the command is doing.
-V, --version
Display program version and exit.
-x, --cdspeed <speed>
With this option the drive is given a CD-ROM select speed command. The speed argument is a number indicating the desired speed
(e.g. 8 for 8X speed), or 0 for maximum data rate. Not all devices support this command and you can only specify speeds that the
drive is capable of. Every time the media is changed this option is cleared. This option can be used alone, or with the -t and -c
options.
-X, --listspeed
With this option the CD-ROM drive will be probed to detect the available speeds. The output is a list of speeds which can be used
as an argument of the -x option. This only works with Linux 2.6.13 or higher, on previous versions solely the maximum speed will be
reported. Also note that some drive may not correctly report the speed and therefore this option does not work with them.
EXIT STATUS
Returns 0 if operation was successful, 1 if operation failed or command syntax was not valid.
NOTES
Eject only works with devices that support one or more of the four methods of ejecting. This includes most CD-ROM drives (IDE, SCSI, and
proprietary), some SCSI tape drives, JAZ drives, ZIP drives (parallel port, SCSI, and IDE versions), and LS120 removable floppies. Users
have also reported success with floppy drives on Sun SPARC and Apple Macintosh systems. If eject does not work, it is most likely a limi-
tation of the kernel driver for the device and not the eject program itself.
The -r, -s, -f, and -q options allow controlling which methods are used to eject. More than one method can be specified. If none of these
options are specified, it tries all four (this works fine in most cases).
Eject may not always be able to determine if the device is mounted (e.g. if it has several names). If the device name is a symbolic link,
eject will follow the link and use the device that it points to.
If eject determines that the device can have multiple partitions, it will attempt to unmount all mounted partitions of the device before
ejecting (see --no-partitions-unmount). If an unmount fails, the program will not attempt to eject the media.
You can eject an audio CD. Some CD-ROM drives will refuse to open the tray if the drive is empty. Some devices do not support the tray
close command.
If the auto-eject feature is enabled, then the drive will always be ejected after running this command. Not all Linux kernel CD-ROM driv-
ers support the auto-eject mode. There is no way to find out the state of the auto-eject mode.
You need appropriate privileges to access the device files. Running as root is required to eject some devices (e.g. SCSI devices).
AUTHORS
Jeff Tranter <tranter@pobox.com> - original author.
Karel Zak <kzak@redhat.com> and Michal Luscon <mluscon@redhat.com> - util-linux version.
SEE ALSO
lsblk(8), findmnt(8), mount(8), umount(8)
AVAILABILITY
The eject command is part of the util-linux package and is available from Linux Kernel Archive <ftp://ftp.kernel.org/pub/linux/utils/util-
linux/>.
Linux April 2012 EJECT(1)