2009/6/26 Bhasker C V <bhas...@unixindia.com>: > Hi, > > I think this question has been asked many times but could not google out > easily on the threads. > > Suppose I have a dead/rejected SCSI USB device how do I reset it so that > I can use the device name again. > > I use crypto LVM and usually have /dev/mapper/XXX devices which are PVs. > These are lvchange'd and used. If for some reason my USB device gets > disconnected, lvm on the other hand has lots of problem re-scanning the PVs > and pvscan/vgsdcan/lvscan simply fails sometimes. Is it possible > that I can reset this state so that I can re-connect the USB device and > it can take the same device name (say sda). What I do not mean by this is I > do not want to recover any data from the dead device. All I want is > to use/salvage the dvice names.
The only way I know to fix such issues is to reboot. I would be surprised if this was the only way to repair such issues in linux land being that there are usually 20 ways to do the same task and Unix-like people have such disdain for rebooting! Thinking about it now, I suppose you might try rmmod the device module. This makes it difficult if your root (or any other) partition are also using the same driver. Adrian -- 24x7x365 != 24x7x52 Stupid or bad maths? <erno> hm. I've lost a machine.. literally _lost_. it responds to ping, it works completely, I just can't figure out where in my apartment it is. -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
