From: Oleg Drokin <green@namesys.com>
To: Luis Gregorio Muniz Rodriguez <kreator@dei.inf.uc3m.es>
Cc: reiserfs-list@namesys.com
Subject: Re: How to use external journal?
Date: Mon, 23 Dec 2002 19:19:16 +0300 [thread overview]
Message-ID: <20021223191916.B1645@namesys.com> (raw)
In-Reply-To: <20021223155704.GC18464@dei.inf.uc3m.es>
Hello!
On Mon, Dec 23, 2002 at 04:57:04PM +0100, Luis Gregorio Muniz Rodriguez wrote:
> I have recently discovered that the journal can be placed on an external
> device (i.e, `mkreiserfs --journal-device <FILE>'), but I haven't found
> any doc about it.
If you do not use 2.5 kernels, you need to apply separate patch to your tree.
> I'm currently using ReiserFS on top of LVM partitions, and I am
> wondering if I can use the same shared journal device for a number of
> small partitions.
No, you cannot.
> Note that I'm not trying to move all the journals to the same device
> (this should be easy using `--journal-device' and `--journal-offset',
> isn't it?). Rather, I try to share the same 32Mb journal between small
> filesystems and/or filesystems with infrequent writes (such as </usr>,
> </usr/local>, </var/www>, and so on).
> Is that possible? And convenient?
This is not possible.
But you can divide these "shared" 32M into four separate parts
and use these with --journal-offset.
Bye,
Oleg
prev parent reply other threads:[~2002-12-23 16:19 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-12-23 15:57 How to use external journal? Luis Gregorio Muniz Rodriguez
2002-12-23 16:19 ` Oleg Drokin [this message]
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