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Date: Fri, 14 Mar 2008 14:42:55 -0700
From: Andrew Sharp <andy.sharp@onstor.com>
To: "Eric Barrett" <eric.barrett@onstor.com>
Cc: "Paul Hammer" <paul.hammer@onstor.com>, "Larry Scheer"
 <larry.scheer@onstor.com>, "John Keiffer" <john.keiffer@onstor.com>,
 "dl-File System" <dl-fs@onstor.com>, "dl-QA" <dl-qa@onstor.com>
Subject: Re: mounting the secondary flash partition
Message-ID: <20080314144255.418de60e@ripper.onstor.net>
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On Fri, 14 Mar 2008 14:39:17 -0700 "Eric Barrett"
<eric.barrett@onstor.com> wrote:

> Journaling?  What is this newfangled contraption?  I'm not sure we can
> trust something so unproven.  We'd be better off with FAT16 or
> something with more field runtime.

That's funny.  But not necessarily wrong ~:^)

> -----Original Message-----
> From: Andy Sharp 
> Sent: Friday, March 14, 2008 2:34 PM
> To: Eric Barrett
> Cc: Paul Hammer; Larry Scheer; John Keiffer; dl-File System; dl-QA
> Subject: Re: mounting the secondary flash partition
> 
> On Fri, 14 Mar 2008 11:46:32 -0700 "Eric Barrett"
> <eric.barrett@onstor.com> wrote:
> 
> > I would think it will run automatically any time there's an
> > unexpected SSC reboot -- either a Linux kernel oops or a power
> > failure.
> 
> Nope.  We're using ext3, it is journaled, and fsck should normally
> never be run.
> 
> > 
> > ________________________________
> > 
> > From: Paul Hammer 
> > Sent: Friday, March 14, 2008 11:05 AM
> > To: Eric Barrett; Larry Scheer; John Keiffer; dl-File System; Andy
> > Sharp Cc: dl-QA
> > Subject: RE: mounting the secondary flash partition
> > 
> > 
> > Are there any instances where 2efsck will run automatically? 
> >  
> > Want to know if we think we are going to see the same type of
> > failures in the field that we see today when on the bobcat flash
> > fsck blows away files.
> >  
> > Thanks,
> >  
> > -Paul
> > 
> > ________________________________
> > 
> > From: Eric Barrett
> > Sent: Fri 3/14/2008 10:58 AM
> > To: Larry Scheer; John Keiffer; dl-File System; Andy Sharp
> > Cc: dl-QA
> > Subject: RE: mounting the secondary flash partition
> > 
> > 
> > We should fix this before Cougar ships, maybe with the tune2fs
> > command Raj linked.  We have lots of Linux-savvy customers and they
> > will see this when they poke around, and open support cases on it.
> > ("How do I run e2fsck on the flash?"  "Why aren't you fscking your
> > flash regularly?"  Etc.)
> >  
> > 
> > ________________________________
> > 
> > From: Larry Scheer 
> > Sent: Friday, March 14, 2008 10:55 AM
> > To: John Keiffer; dl-File System; Andy Sharp
> > Cc: dl-QA
> > Subject: RE: mounting the secondary flash partition
> > 
> > 
> > 
> > John, 
> > 
> >    This is just the behavior of the ext3 file system used in Linux.
> > After a certain number of reboots this message appears. It is ok to
> > ignore this message.
> > 
> >  
> > 
> > Andy might have more to say about it.
> > 
> >  
> > 
> > Larry
> > 
> >  
> > 
> > ________________________________
> > 
> > From: John Keiffer 
> > Sent: Friday, March 14, 2008 8:27 AM
> > To: Larry Scheer; dl-File System
> > Cc: dl-QA
> > Subject: mounting the secondary flash partition
> > 
> >  
> > 
> > I notice the following 4 lines when I mount the secondary flash's
> > root partition. Are these normal and expected (the second one seems
> > the most concerning)?
> > 
> >  
> > 
> > Mar 14 08:21:01 g6r10 kernel: kjournald starting.  Commit interval 5
> > seconds
> > 
> > Mar 14 08:21:01 g6r10 kernel: EXT3-fs warning: maximal mount count
> > reached, running e2fsck is recommended
> > 
> > Mar 14 08:21:01 g6r10 kernel: EXT3 FS on sda1, internal journal
> > 
> > Mar 14 08:21:01 g6r10 kernel: EXT3-fs: mounted filesystem with
> > ordered data mode.
> > 
> >  
> > 
> > Thank you,
> > 
> > John Keiffer
> > 
> >  
> > 
> >  
> > 
