Re: [BackupPC-users] Migrating to bigger storage

[Diaz R. E. <ed...@pk...>]

I allways move my pools using super complex procedure
stop backuppc
cp -a 
start backuppc

:-D


On Thu, 21 Dec 2006 09:25:31 -0500 (EST), Stephen Joyce wrote
> I've had good results moving storage pools between RAID devices (for 
> maintenance) using xfsdump and xfsrestore. I'd recommend that you 
> investigate the dump/restore commands for your filesystem (I've learned to 
> avoid ext for anything over ~1TB but YMMV).
> 
> For locally attached devices, the rates were competitive with all other 
> methods I tried. You can use dump/restore commands over the net from 
> one server to another, but beware of the overhead of your transfer protocol 
> (if you're using a ssh tunnel choose your cipher wisely to reduce 
> overhead).
> 
> Hope this helps.
> 
> Cheers, Stephen
> --
> Stephen Joyce
> Systems Administrator                                            P A N I C
> Physics & Astronomy Department                         Physics & Astronomy
> University of North Carolina at Chapel Hill         Network Infrastructure
> voice: (919) 962-7214                                        and Computing
> fax: (919) 962-0480                               http://www.panic.unc.edu
> 
> (3)  With sufficient thrust, pigs fly just fine. However, this is
>       not necessarily a good idea. It is hard to be sure where they
>       are going to land, and it could be dangerous sitting under them
>       as they fly overhead.
>            -- RFC 1925 - Fundamental truths of networking
> 
> On Thu, 21 Dec 2006, Mike Sauer wrote:
> 
> > I've has success using PAX to copy ~72GB of data.
> >
> > pax -r -w /old/path /new/path
> >
> > It took quite a while, far longer than DD would have, but personally
> > prefer copying on a file level to a device level. The tail end copy
> > process in an intense IO seek for to match hard lines.
> >
> >
> >
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> > -- 
> >
> >
> 
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