[Bug 445154] Re: package backuppc 3.1.0-4ubuntu1.1 failed to install/upgrade: subprocess post-installation script returned error exit status 1

zeugmatis mark at syminet.com
Wed Mar 17 02:04:03 GMT 2010


It might be appropriate here to also note that backuppc now *requires* hardlinks from it's 
archive to /var/lib/backuppc/cpool in order for pooling to work (the main reason for using 
backuppc).  Previous versions of backuppc did not check if the creation of these hardlinks 
was successful, thus people could create per-machine symlinks in /var/lib/backuppc/pc 
which pointed to another filesystem, and it would "just work" (at the expense of those not 
pooling, thus wasting a LOT of disk space).  Recent versions do check to make sure 
pooling is working, and if symlinks have been used as described above, the machines 
symlinked to other filesystems will not backup, and start throwing the same error message 
as in this bug. 

You can use an external disk and/or different filesystem, but everything needs to live 
under /var/lib/backuppc.  If growing full is a concern, then you'll want to migrate everything
to a larger disk, or use a filesystem like LVM that will allow you to grow it into multiple 
disks (but can be risky) or move to a RAID setup that can provide both the ability to 
grow and redundancy.  

In short, don't use symlinks anywhere under /var/lib/backuppc unless they point to 
something on the same filesystem.

-- 
package backuppc 3.1.0-4ubuntu1.1 failed to install/upgrade: subprocess post-installation script returned error exit status 1
https://bugs.launchpad.net/bugs/445154
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