On Fri, 03 Jun 2005 04:30:20 +1000, Grant Coady Cried: Read These Runes!:

> Nah, just for fun ) 'hdparm -b' -> get/set bus state? me puzzled?

Using a removable device tray for IDE devices it's recommended to turn the
bus off before powering off the tray and removing the device.

Example:

hdparm -b1 /dev/hdf

/dev/hdf:
setting bus state to 1 (on)
busstate = 1 (on)

And dmesg shows:

Probing IDE interface ide2...
hde: CREATIVE CD-RW RW1210E, ATAPI CD/DVD-ROM drive
hdf: WDC WD400BB-00CAA0, ATA DISK drive
ide: drives found on hot-added interface.
hde: attached ide-default driver.
hdf: attached ide-disk driver.
hdf: host protected area => 1
hdf: 78165360 sectors (40021 MB) w/2048KiB Cache, CHS=77545/16/63, UDMA(100

This process is part of a script I use for rsync'ing my working installation
to a removable drive.

Thorn
--
I brake for chezlogs!