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Re: XFS mobile

To: Sidik Isani <isani@xxxxxxxxxxxxxxx>, linux-xfs@xxxxxxxxxxx
Subject: Re: XFS mobile
From: sparker@xxxxxxxxxxx (Steven G. Parker)
Date: Tue, 10 Jul 2001 13:57:20 -0600 (MDT)
In-reply-to: Sidik Isani <isani@xxxxxxxxxxxxxxx> "XFS mobile" (Jul 10, 9:35am)
References: <200107101935.JAA10379@xxxxxxxxxxxxxxxxxxxx>
Sender: owner-linux-xfs@xxxxxxxxxxx
I will second that.  XFS is wonderful on a laptop.  I have been too
lazy to make it work on th root partition, but I have a 16G home dir,
and it is mighty nice that I don't have to fsck the thing whenever
I run the battery out.  It drains a good percentage of the battery
just running fsck on ext2!

Again, good work guys.

Steve

On Jul 10,  9:35am, Sidik Isani wrote:
> Subject: XFS mobile
> Hello -
>
>   Not sure if SGI has much interest in this, but XFS is very impressive
>   on *laptops*.  The tricky part was getting root mounted with "noatime"
>   so the disk doesn't spin up all the time.  XFS didn't let me change
>   noatime,osyncisdsync after the initial mount.  And the kernel, even
>   with the normal initrd tricks, only supports flags for ro/rw.
>
>   Fortunately, the New Way using pivot_root provides a solution (but you
>   must NOT name the linuxrc "/linuxrc".)  The initial RAM disk contains
>   my fstab and a script which checks to see what type of root filesystem
>   is required, loads the modules (this works for NFS-root too) mounts
>   root with all desired options, calls pivot_root and continues booting.
>   All this actually works, and provided a test for these things:
>
>     - XFS as modules (CVS, and later linux-2.4.6-xfs-07052001.patch)
>     - "noatime" and "osyncisdsync" mount options
>     - running with zero swap space
>     - kgcc=2.95.3 (and "-O", not "-O2"), "586 w/o TSC" set for CPU type.
>     - gcc=3.0 for glibc-2.2.3 and everything else.
>
>   So ... not too much fun, because nothing broke.  Keep up the good
>   work and thanks for providing Linux with a great filesystem.
>
> Be seeing you,
>
> - Sidik
>-- End of excerpt from Sidik Isani



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