Re: 3Ware delayed device mounting errors with newer 9500 series adapters

[Jeffrey V. Merkey]

adam radford wrote:

> Jeff,
>
> Can you reproduce with 2.6.18.1?  ES4 contains a custom 3ware driver.

We don't use kernels later than 2.6.15 in our shipping releases since 
they have
some issues with stability. 

> Also, you have included no error output with this email whatsoever.  Can
> you go to a virtual console during your ES4 install, run 'dmesg', and 
> see if
> the errors are in there, or if they are a part of the ES4 anaconda 
> installer?

dmesg produces no output since the errors are reflected from init.

Errors are typical of an unmounted volume.  i.e. 

"cannot touch /var/lock/subsys/<service> (dozens of these)
Starting System logger (hangs for 15 minutes) 

So no logs .....

> /dev/sdb, etc. having delayed appearances sounds like it is udev related.

No, I do not believe so.

> Are you running the latest firmware?  Do your controllers older than 
> 60 days
> have different firmware?

This is the right question.  I will collect the various versions this 
occurs on and post them here.

> I will try to reproduce this.

Pretty easy to do.

Jeff

> -Adam
>
> On 10/21/06, Andrew Morton <akpm@xxxxxxxx> wrote:
>
> > On Sat, 21 Oct 2006 11:03:10 -0600
> > "Jeffrey V. Merkey" <jmerkey@xxxxxxxxxxxxxxxxxxxxx> wrote:
> >
> > >
> > > Adam,
> > >
> > > We have been getting 3Ware 9500 series adapters in the past 60 days
> > > which exhibit a delayed behavior during mounting of FS from
> > > /etc/fstab.   The adapters older than this do not exhibit this 
> > behavior.
> > >
> > > During bootup, if the driver is compiled as a module rather than in
> > > kernel, mount points such as /var in fstab fail to detect the devices
> > > until the system fully boots, at which point the /dev/sdb etc. devices
> > > showup.  It happens on both ATA cabled drives and drives
> > > cabled with multi-lane controller backplanes.
> > >
> > > The problem is easy to reproduce.  Install ES4, point the /var 
> > directory
> > > during install to one of the array devices in disk druid, and after
> > > the install completes, /var/ will not mount during bootup and all 
> > sorts
> > > of errors stream off the screen.  I can reproduce the problem
> > > with several systems in our labs and upon investigating the adapter
> > > revisions, I find that adapters ordered in the past 60 days exhibit
> > > the problem.   Compiling the driver in kernel gets around the problem,
> > > indicating its timing related.
> > >
> >
> > cc's added.
> > -
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