From mboxrd@z Thu Jan  1 00:00:00 1970
From: Chris Mason <mason@suse.com>
Subject: Re: [PATCH] new data logging and quota patches available
Date: 09 Mar 2003 12:24:07 -0500
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To: Manuel Krause <manuel.krause@mb.tu-ilmenau.de>
Cc: reiserfs-list <reiserfs-list@namesys.com>

On Sun, 2003-03-09 at 12:07, Manuel Krause wrote:

> 
> My procedure is the following:
> 
> ->
> mkreiserfs partition2 (second drive)
> 
> copy dataset from used partition1 to partition2
>   (identical, yes)
> 
> mkreiserfs partition1 (first drive)
> 
> time (copy dataset from partition2 to partition1
>                          + umount partitions 1 and 2)
> 
> <-
> 
> In fact that are two dumb scripts from years ago - one for the first 
> direction and one for the second. The time command line is the following:
>   time sh -c "cp -ax /mnt/alpha/. /mnt/beta/ ; umount /mnt/alpha ; 
> umount /mnt/beta"
> 
> And again I may have forgotten to mention that I always mount my 
> partitions with "notail":
>   mount -t reiserfs -o noatime,notail,data=ordered /dev/hd... /mnt/...
> 
> Does this information make it more understandable?

Very much, thanks.  Thanks to some work Jeff recently did, my current
thought is the slow down is related to the block allocator, and the
search_by_reada patch.  Jeff and I are working up numbers to see if this
is right, more details on monday.

-chris