On Thu, 13 Nov 2014 08:45:02 +0000
"Pavelka, Tomas" <[email protected]> wrote:
> What version of the lvm RPM are you running? We have run into a
or what version of RHEL6 are you installing? Looking into the history
of the lvm2 package it might have been already fixed in one of the
latest updates.
Dan
> problem on a CentOS 6 installation where LVM would not put online
> disks that were read only. The bug started at a version that I
> unfortunately forgot and was fixed in a newer version that I forgot
> as well. But I managed to find one of the versions that was wrong,
> which was lvm2-2.02.87-6. At that time we were on CentOS and did not
> have support contract with Red Hat so we just rolled a custom RPM
> with a patch which I was able to find:
>
> --- ./lib/device/dev-io.c.orig 2012-08-31 03:45:14.000000000 -0400
> +++ ./lib/device/dev-io.c 2012-08-31 03:46:22.000000000 -0400
> @@ -282,7 +282,7 @@ static int _dev_read_ahead_dev(struct de
> return 1;
> }
>
> - if (!dev_open(dev))
> + if (!dev_open_readonly(dev))
> return_0;
>
> if (ioctl(dev->fd, BLKRAGET, &read_ahead_long) < 0) {
>
> The project where we needed this got cancelled so I have not followed
> up whether Red Hat fixed it or not, but this should give you some
> leads.
>
> HTH,
> Tomas
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