Robin Lee Powell wrote at about 15:40:04 -0800 on Monday, December 6, 2010:
 > This is *fascinating*.
 > 
 > >From the actually-fixing-stuff part of the run, I get:
 > 
 >   ERROR: 
 > "tm50-s00292__nfs/68/f%2f/fshared/fthepoint/fsite_images/f0042/f4097/fMULTI_medium.jpg"
 >  - Too many links if added to "59c43b51dbdd9031ba54971e359cdcec"
 > 
 > to which I say "lolwut?" and investigate.
 > 
 > $ ls -li /backups/cpool/5/9/c/59c43b51dbdd9031ba54971e359cdcec*
 > 2159521202 -rw-r----- 31999 backuppc backuppc 76046 Oct  7 08:29 
 > /backups/cpool/5/9/c/59c43b51dbdd9031ba54971e359cdcec
 > 2670969865 -rw-r----- 31999 backuppc backuppc 76046 Oct 16 15:15 
 > /backups/cpool/5/9/c/59c43b51dbdd9031ba54971e359cdcec_0
 >   79561977 -rw-r----- 31999 backuppc backuppc 76046 Oct 22 22:07 
 > /backups/cpool/5/9/c/59c43b51dbdd9031ba54971e359cdcec_1
 >  156369809 -rw-r----- 31999 backuppc backuppc 76046 Oct 31 09:06 
 > /backups/cpool/5/9/c/59c43b51dbdd9031ba54971e359cdcec_2
 > 3389777838 -rw-r----- 31999 backuppc backuppc 76046 Nov  7 09:10 
 > /backups/cpool/5/9/c/59c43b51dbdd9031ba54971e359cdcec_3
 >  106188559 -rw-r----- 31999 backuppc backuppc 76046 Nov 13 15:10 
 > /backups/cpool/5/9/c/59c43b51dbdd9031ba54971e359cdcec_4
 >  247044591 -rw-r----- 31999 backuppc backuppc 76046 Nov 19 17:20 
 > /backups/cpool/5/9/c/59c43b51dbdd9031ba54971e359cdcec_5
 >  293083240 -rw-r----- 31999 backuppc backuppc 76046 Nov 26 06:14 
 > /backups/cpool/5/9/c/59c43b51dbdd9031ba54971e359cdcec_6
 >  513555136 -rw-r----- 31999 backuppc backuppc 76046 Dec  1 19:37 
 > /backups/cpool/5/9/c/59c43b51dbdd9031ba54971e359cdcec_7
 >   52908307 -rw-r-----  7767 backuppc backuppc 76046 Dec  4 10:37 
 > /backups/cpool/5/9/c/59c43b51dbdd9031ba54971e359cdcec_8
 > $ ls -li 
 > /backups/pc/tm50-s00292__nfs/68/f%2f/fshared/fthepoint/fsite_images/f0042/f4097/fMULTI_medium.jpg
 >             374791856 -rw-r----- 1 backuppc backuppc 76046 Dec  4 08:03 
 > /backups/pc/tm50-s00292__nfs/68/f%2f/fshared/fthepoint/fsite_images/f0042/f4097/fMULTI_medium.jpg
 > 
 > That's a bunch of files with *thirty two thousand* hard links.
 > Apparently that's a limit of some kind.  BackupPC handles this by
 > adding new copies, a hack that BackupPC_fixLinks is apparently
 > unaware of.

BackupPC_fixLinks does know about the limit and in fact is careful not
to exceed it (using the same hack) when it combines/rewrites links.
Other than that, I'm not sure where you think BackupPC_fixLinks needs
to be aware of it?

To be fair, since I don't have any systems with that many hard links,
I have not tested that use case so perhaps my code is missing
something (I haven't looked through the logic of how BackupPC_fixLinks
traverses chains in a while so maybe there is something there that
needs to be adjusted for your use case but again since I haven't
encountered it I probably have not given it enough thought)

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