From: Milan Broz <mbroz@redhat.com>
To: LVM general discussion and development <linux-lvm@redhat.com>
Subject: Re: [linux-lvm] LVM skips /dev/hde3 because sysfs tells it not to use it
Date: Thu, 05 Feb 2009 22:24:30 +0100 [thread overview]
Message-ID: <498B590E.3020901@redhat.com> (raw)
In-Reply-To: <jwvfxisobi2.fsf-monnier+gmane.linux.lvm.general@gnu.org>
Stefan Monnier wrote:
> I had to disable sysfs_scan before pvcreate accepted to use /dev/hde3 on
> a little MIPS box.
>
> How does LVM decide whether sysfs tells it to use a block device or not?
> And why would /dev/hde (an internal IDE drive) be presented by sysfs as
> "not to be used by LVM"?
It should be possible to use the device unless there is some filter set.
Run the command with debug on (add -vvvv) and you will see which filter disabled
the device and why.
I guess you can also hit this "known" problem with
old lvm toolset (<2.02.29) and new kernel with new sysfs layout.
*If* it is this situation you can fix it using one of the following
1) disable sysfs scan
2) upgrade lvm
3) switch CONFIG_SYSFS_DEPRECATED_V2 kernel config on and recompile kernel
Milan
--
mbroz@redhat.com
next prev parent reply other threads:[~2009-02-05 21:24 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-05 20:51 [linux-lvm] LVM skips /dev/hde3 because sysfs tells it not to use it Stefan Monnier
2009-02-05 21:16 ` Alasdair G Kergon
2009-02-05 21:24 ` Milan Broz [this message]
2009-02-06 15:25 ` [linux-lvm] " Stefan Monnier
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