Re: state or future of LFS?

["David Lord" <netbsd%lordynet.org@localhost>]

On 10 Apr 2009 at 14:18, Niels Dettenbach wrote:

> Dear List readers and netbsd devels,
> 
> 
> what is the current usability state of the LFS (Log-structured File System)? 
> 
> Is it ready for productional use or still to understand as under development? 
> Is there any active roadmap? 
> 
> Did someone have practical experiences (stability, performance, handling...) 
> with LFS within productive environments? Are there any other interesting 
> alternatives under NetBSD? 
> 
> Did someone played or worked with other filesystem alternatives for large 
> hard 
> disks (i.e. some cluster FS's a.o.) then the default FFS with interesting 
> results?
> 
> I'm using NetBSD 4.0 and 4.99.73 (and sometimes other *BSD's) for different 
> productive internet servers (i.e. email servers) - under xen and wo - on SAS 
> based disk RAID's (10 and 5)  and my idea is to use / switch over to a LSF 
> for my larger email-storages. 
> 
> My main target's are:
>  - fast recovery (i.e. after a crash / power disruption)
>  - fast file access (i.e. mail space under cyrus imap)
>  - minimized data losses after crash or medium failures
> 
> There are different infos about the roadmap and the current state of LFS 
> around in the net - like here:
>       ftp://ftp.netbsd.org/pub/NetBSD/NetBSD-4.0/CHANGES-4.0
>       http://en.wikipedia.org/wiki/Log-structured_File_System_(BSD)
> or here
>       http://wiki.netbsd.se/How_to_install_a_server_with_a_root_lfs_partition
> 
> many thanks for any hint o tip in this issue and - for you all here -
> have a nice easter-weekend,

Only a home user but I had problems, I believe now fixed, with
cleaner processes eventually using 100% cpu.

I'm currently with 5.0RC? and WAPBL on several systems that
have all recovered ok after pulling plug in various ways.

The problems I had with with LFS on a couple of systems didn't
show until after 12 months though.

David

> 
> 
> Niels.
> 
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>   Niels Dettenbach
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