From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <3780FC76.FB361567@msede.com> Date: Mon, 05 Jul 1999 20:41:58 +0200 From: Michael Marxmeier MIME-Version: 1.0 Subject: Re: [linux-lvm] another invalid i/o ... error References: <199907052021.QAA09282@gate.penguinpowered.com> Content-Transfer-Encoding: 7bit Sender: owner-linux-lvm Errors-To: owner-linux-lvm List-Id: Content-Type: text/plain; charset="us-ascii" To: root@gate.penguinpowered.com Cc: galtons@thegeek.org, linux-lvm@msede.com Hello Simon. [snip] > But running vgscan results in the oft-reported error: > [root@gate 0.6]# vgscan > vgscan -- invalid i/o protocol version > > So, Here's the end of an strace vgscan, note the open of "di2", whatever > that is. After scratching my head for a few days, I made a device file > in the current directory (mknod di2 c 109 0) and re-ran vgscan -- got > another odd error. Strange. Please run a vgscan -d and send me the output. This will provide a function trace of the operations so it should be obvious (with the strace) where it fails. In addition please send me the complete strace (w/o creating the "di2") and i'll have a look at it. Hope that helps Michael -- Michael Marxmeier Marxmeier Software GmbH E-Mail: mike@msede.com Besenbruchstrasse 9 Voice : +49 202 2431440 42285 Wuppertal, Germany Fax : +49 202 2431420 http://www.msede.com/