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Subject: RE: mounting the secondary flash partition
Date: Fri, 14 Mar 2008 14:39:17 -0700
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Thread-Topic: mounting the secondary flash partition
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From: "Eric Barrett" <eric.barrett@onstor.com>
To: "Andy Sharp" <andy.sharp@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>

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.
=20

-----Original Message-----
From: Andy Sharp=20
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.

>=20
> ________________________________
>=20
> From: Paul Hammer=20
> 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
>=20
>=20
> Are there any instances where 2efsck will run automatically?=20
> =20
> 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.
> =20
> Thanks,
> =20
> -Paul
>=20
> ________________________________
>=20
> 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
>=20
>=20
> 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.)
> =20
>=20
> ________________________________
>=20
> From: Larry Scheer=20
> 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
>=20
>=20
>=20
> John,=20
>=20
>    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.
>=20
> =20
>=20
> Andy might have more to say about it.
>=20
> =20
>=20
> Larry
>=20
> =20
>=20
> ________________________________
>=20
> From: John Keiffer=20
> Sent: Friday, March 14, 2008 8:27 AM
> To: Larry Scheer; dl-File System
> Cc: dl-QA
> Subject: mounting the secondary flash partition
>=20
> =20
>=20
> 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)?
>=20
> =20
>=20
> Mar 14 08:21:01 g6r10 kernel: kjournald starting.  Commit interval 5
> seconds
>=20
> Mar 14 08:21:01 g6r10 kernel: EXT3-fs warning: maximal mount count
> reached, running e2fsck is recommended
>=20
> Mar 14 08:21:01 g6r10 kernel: EXT3 FS on sda1, internal journal
>=20
> Mar 14 08:21:01 g6r10 kernel: EXT3-fs: mounted filesystem with ordered
> data mode.
>=20
> =20
>=20
> Thank you,
>=20
> John Keiffer
>=20
> =20
>=20
> =20
>=20
