Re: backuppc calculate wrong pool size

Jamie Burchell via BackupPC-users wrote at about 23:31:12 +0100 on Wednesday, July 8, 2026:
 > Hi
 > 
 > I needed to identify backups with missing pool files in the past. This one
 > liner worked for me in Linux (substitute a0 and the full hash with your
 > details):
 > 
 > # Find a "missing pool file"
 > # a0 is the first two letters of the hash of the file we are looking for:
 > "a06340ddb577fd02a04bda2998a8d246"
 > find ./pc -name "poolCnt.1.a0" -exec sh -c 'for f; do
 > /usr/share/BackupPC/bin/BackupPC_poolCntPrint "$f" | grep -q
 > "a06340ddb577fd02a04bda2998a8d246" && echo "Match: $f"; done' sh {} +
 > 

You can do this *much* faster if your backup is very large by 
first finding matching hosts then matching backups:
(Here is some sample code - likely to have some stupid errors in it :)
)

POOL_FILE="a06340ddb577fd02a04bda2998a8d246"
printf -v POOL_DIR "%x%x" $(( 0x${hash:0:1} & 0xe )) $(( 0x${hash:1:1} & 0xe ))

for h in $(\ls "./pc/*/refCnt/poolCnt.1.$POOL_DIR"); do
	if /usr/share/BackupPC/bin/BackupPC_poolCntPrint "$h" | grep -q "$POOL_FILE"; then
	    echo "Matching host: $h"
		for n in $(\ls "./pc/$h/$n/refCnt/poolCnt.1.$POOL_DIR"); do
			if /usr/share/BackupPC/bin/BackupPC_poolCntPrint "$n" | grep -q "$POOL_FILE"; then
	    	echo "  Matching backup: $h"
		done
done


You can stop after the first match or continue to find all matching...


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