From: Philipp Reisner <philipp.reisner@linbit.com>
To: Chris Boot <bootc@bootc.net>
Cc: Lars Ellenberg <lars.ellenberg@linbit.com>, linux-kernel@vger.kernel.org
Subject: Re: drbd: kernels 3.7 => 3.8 broken userspace compatibility
Date: Mon, 06 May 2013 11:34:58 +0200 [thread overview]
Message-ID: <1719169.QMPV9M3OpB@fat-tyre> (raw)
In-Reply-To: <518770DC.10608@bootc.net>
Am Montag, 6. Mai 2013, 09:59:08 schrieb Chris Boot:
> Hi all,
>
> I upgraded from a 3.7.x kernel to a 3.8.x kernel on a test machine
> running DRBD, and found myself unable to bring up my DRBD devices. I'm
> using the 8.3.13 userspace tools as shipped in Debian Wheezy, which work
> fine on the 3.7 kernel, but they appear to hang when using the 3.8
> kernel and cannot set up the device.
>
> The 3.8 kernel appears to introduce drbd 8.4.2 rather than the 8.3.13
> available in 3.7.
>
[...]
> Even if the kernel did require new userspace tools, should there not be
> some better mechanism to notify the user they must upgrade them before
> things will work? At the moment all I see without strace is:
>
> # drbdadm attach r0
> DRBD module version: 8.4.2
> userland version: 8.3.13
> you should upgrade your drbd tools!
^^^^
This message is a clear hint, isn't it?
See also https://lkml.org/lkml/2012/11/9/103
Fitting user space tools are available since 2011. The new tools
can deal with both interfaces.
Best,
Phil
prev parent reply other threads:[~2013-05-06 9:45 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-06 8:59 drbd: kernels 3.7 => 3.8 broken userspace compatibility Chris Boot
2013-05-06 9:34 ` Philipp Reisner [this message]
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