Svcadm Volfs What Provides
Solaris: USB Devices |
Posted by Sandeep on Apr 21, 2011 in Oracle | 0 comments
USB Devices
Universal Serial Bus (USB) devices were developed to provide a method to attach peripheral
devices such as keyboards, printers, cameras, and disk drives using a common connector and
interface. Furthermore, USB devices are hot-pluggable, which means they can be connected or
disconnected while the system is running.
ボリュームのハードドライブは何ですかThe operating system automatically detects when a
USB device has been connected and automatically configures the operating environment to
make it available.
The Solaris 10 operating environment supports USB devices on Sun Blade, Netra, Sunfire,
and x86/x64-based system. In addition, a USB interface can be added to Sun systems that may
not already have one.
When hot-plugging a USB device, the device is immediately displayed in the device hierarchy.
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For example, a full device pathname for a USB Zip drive connected to an Ultra system would
appear as follows:
/pci@0,0/pci1462,5770@1d,7/storage@5/disk@0,0:a
A printer would look like this:
/pci@1f,4000/usb@5/hub@3/printer@1
Be careful when removing USB devices, however. If the device is being used when it is disconnected,
you will get I/O errors and possible data errors. When this happens, you'll need to
plug the device back in, stop the application that is using the device, and then unplug the
device.
As stated in the "Volume Management" section later in this chapter, removable media such as
floppy diskettes and CD-ROMs can be inserted and automatically mounted.
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When attaching
a hot-pluggable device, it's best to restart vold after attaching the USB device as follows:
# svcadm restart volfs
Once vold identifies that the device has been connected, you'll see device names set up as
follows:
zip1 -> /vol/dev/rdsk/c2t0d0/fat32 (USB Zip device)
zip0 -> /vol/dev/rdsk/c1t0d0/zip100 (USB Zip device)
jaz0 -> /vol/dev/rdsk/c3t0d0/jaz1gb (USB Jaz device)
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