From: Al Boldi <a1426z@gawab.com>
To: "Ed L. Cashin" <ecashin@coraid.com>
Subject: Re: [PATCH 2.6.15-git9a] aoe [1/1]: do not stop retransmit timer when device goes down
Date: Fri, 27 Jan 2006 19:12:52 +0300
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Ed L. Cashin wrote:
> On Thu, Jan 26, 2006 at 01:04:37AM +0300, Al Boldi wrote:
> > Ed L. Cashin wrote:
> > > This patch is a bugfix that follows and depends on the
> > > eight aoe driver patches sent January 19th.
> >
> > Will they also fix this?
> > Or is this an md bug?
>
> No, this patch fixes a bug that would cause an AoE device to be
> totally unusable, so I think mdadm or mkraid would get an error that
> the device was not available before it tried to make a new md device.
>
> > It only happens with aoe.
>
> It looks like in setting up the raid, sysfs_create_link probably has
> this going off:
>
>         BUG_ON(!kobj || !kobj->dentry || !name);
>
> > Also, why is aoe slower than nbd?
>
> It wasn't when I tried it.  The userland vblade is slow.  Maybe that's
> affecting your results?

Why is the userland vblade server slower than the userland nbd-server?

Thanks!

--
Al

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