Jim Leonard wrote at about 22:18:07 -0500 on Tuesday, September 1, 2009:
 > Jeffrey J. Kosowsky wrote:
 > >  > I read the docs before setting it up and it was very obvious to me that 
 > >  > planning was required.  Then again, I've been doing this for a while. 
 > >  > But it *was* in the documentation, if not in-your-face explicit.
 > > 
 > > OK - can you show me where in the documentation it mentions the issue
 > > with copying/moving BackupPC data and hence the recommendation for
 > > using a separate fs just for BackupPC? I certainly wouldn't have
 > > intuited this issue from a generic mention about careful "planning".
 > 
 > Well, I installed the beta.  In said documentation, it clearly states: 
 > "BackupPC uses hardlinks to pool files common to different backups. 
 > Therefore BackupPC's data store (/vault/backstor) must point to a single 
 > file system that supports hardlinks. You cannot split this file system 
 > with multiple mount points or using symbolic links to point a 
 > sub-directory to a different file system (it is ok to use a single 
 > symbolic link at the top-level directory (/vault/backstor) to point the 
 > entire data store somewhere else). You can of course use any kind of 
 > RAID system or logical volume manager that combines the capacity of 
 > multiple disks into a single, larger, file system. Such approaches have 
 > the advantage that the file system can be expanded without having to 
 > copy it."
 > 
 > So forget what I said about reading between the lines -- it was lines 
 > themselves :)

Oh really - please show me again which line talks about it being
difficult to move/copy/backup the BackupPC database? Or did you forget
to copy/paste that part? 

All that the above says is that it needs to be on a single filesystem
which we all now. It says LVM/RAID "have the advantage that the file
system can be expanded without having to copy it" but nothing about it
warning that it is *hard* to copy which is the WHOLE POINT of this
silly argument. The statement about LVM/RAID is generic and would be
true about any program that needs all its files on a single
filesystem. However, nowhere does it even *hint* that copying is
hard.

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