Craig Barratt wrote:
Erik Meitner writes:
Craig Barratt wrote:
Erik Meitner writes:
Hi. We are running BackupPC V2.11(Debian 2.1.1-2sarge1). The BackupPc
pool is on a 600 GB ext3 partition. For one of our users who has a
fairly deep directory structure we get a lot of "unable to link" errors
(see end of message). The files in the pool are not at the hard link
limit yet:
# ls -l|sort -n -k 2 | tail
-rw-r----- 25795 backuppc backuppc 22 Jan 7 20:24 fsostrsh.fpt
-rw-r----- 25795 backuppc backuppc 22 Jan 7 20:24 fsostrs.fpt
-rw-r----- 25795 backuppc backuppc 22 Jan 7 20:24 fsosordh.fpt
-rw-r----- 25795 backuppc backuppc 22 Jan 7 20:24 fsosord.fpt
-rw-r----- 25795 backuppc backuppc 22 Jan 7 20:24 fprempy.fpt
-rw-r----- 25795 backuppc backuppc 22 Jan 7 20:24 fprchck.fpt
-rw-r----- 25795 backuppc backuppc 22 Jan 7 20:24 fposrmk.fpt
-rw-r----- 25795 backuppc backuppc 22 Jan 7 20:24 fpoptrsh.fpt
-rw-r----- 25795 backuppc backuppc 22 Jan 7 20:24 fpoptrs.fpt
-rw-r----- 25795 backuppc backuppc 22 Jan 7 20:24 fpopordh.fpt
Is this a problem with the files being 14 levels deep?
The path names don't look too long. As you point out, the
per-file hardlink limit is not an issue - 22 links is way
less than the typical limit of 32000.
Is your file system out of inodes? Use df -i to check.
Craig
Oops. Mixed up the hard links and file size. Hard links are at 25795.
Still below 32000 though.
Inodes are ok too:
[EMAIL PROTECTED]:~$ df -i /bigvol/
Filesystem Inodes IUsed IFree IUse% Mounted on
/dev/sda7 72181152 1804806 70376346 3% /bigvol
Ah, yes. The hardlink limit likely is the problem. The 25795 value
probably is after the previous backup is expired/removed. It is
likely that you get to 32000 during the new backup before the
old backup is expired.
In CVS 3.0 there is a fix for this problem: if the hardlink limit
is reached it creates a new pool file. In 2.x it misses certain
cases where this is needed, hence the error.
Craig
So this just means that the pool is not as efficient as it could be, not
that there is data loss, correct?
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