On Sat, May 17, 2003 at 11:45:08AM +0200, Herman Kuster wrote: > Thanks for your reply, but i think i found the error in my system. My root > fs is also lvm based and to mount this my system uses a initrd. This initrd > doesn't have the ieee1394 modules so at that time the firewire harddisk is > not visible to the system. I've tried to make a new initrd image containing > both the lvm and ieee1394 modules, but this also doesn't work since the > ieee1394 modules take quite a long time to initialise. The ieee1394 modules > are loaded before the lvm, but the harddisk becomes available long after the > lvm modules have loaded. But since the mountpoint for the external harddisk > is not critical i now have made a 'quick-and-dirty' hack to the rc.sysinit: > just before the lvm lines (again, because the initrd also does this) i do a > pvdisplay /dev/sda, then all works well. in this case it could be an option to put the ieee1394 and the sd_mod stuff into the kernel (not using modules for those), which should result in the device being present before any initrd is mounted ... best, Herbert > Bye, > > Herman > > -----Original Message----- > From: linux-lvm-admin@sistina.com [mailto:linux-lvm-admin@sistina.com] On > Behalf Of Herbert Poetzl > Sent: Saturday, May 17, 2003 11:00 AM > To: linux-lvm@sistina.com > Subject: Re: lvm on a firewire harddisk > > > On Sat, May 17, 2003 at 08:43:35AM +0200, Herman Kuster wrote: > > Hi, > > > > I've got the following problem: > > I've a firewire harddisk (maxtor 5000xt), this disk works fine and is > > available as /dev/sda in my system. > > On this disk i have created one single pv (on /dev/sda, no partitioning) > > I have put this pv into a vg, and in this volume group i have created one > > lv. > > All seems to be working fine until the time comes when my computer > restarts. > > On a boot somehow the lvm system forgets the pv on de firewire harddisk > and > > only shows (on a pvscan for example) the pv/vg/lv's on my normal harddisks > > (/dev/hda and /dev/hdb). By the time the lvm system starts up i'm sure the > > ieee1394 system is up and running (i modified my rc.sysinit file so the > > ieee1394 system is startup before lvm). > > Even when i am logged in as a user the lvm system still doesn't know the > pv > > on my firewire harddisk. But after I do a 'pvdisplay /dev/sda' the pv is > > shown correctly and now the lvm system knows about the pv (it shows up in > > pvscan and the vg/lv become available etc.). Does anyone know why my > system > > behaves as it does (btw i'm using a redhat 9.0 clean install), is this > some > > kind of bug in the lvm system, am i doing something wrong, please help. > > My guess is, that either the lack of partitioning > prohibits the correct detection of your lvm > volume, or some drivers (eg. sd_mod) are not > present at pvscan time, which get automagically > loaded when you explicitely access /dev/sda ... > > HTH, > Herbert > > > Thanks, > > > > Herman > > > > > > > > _______________________________________________ > > linux-lvm mailing list > > linux-lvm@sistina.com > > http://lists.sistina.com/mailman/listinfo/linux-lvm > > read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/ > > _______________________________________________ > linux-lvm mailing list > linux-lvm@sistina.com > http://lists.sistina.com/mailman/listinfo/linux-lvm > read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/ > > > > _______________________________________________ > linux-lvm mailing list > linux-lvm@sistina.com > http://lists.sistina.com/mailman/listinfo/linux-lvm > read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/ _______________________________________________ linux-lvm mailing list linux-lvm@sistina.com http://lists.sistina.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
