Hello,

I have a daily backup script on my linux mint laptop to a share on unraid (excerpt below if helpful) that works by creating a hard-link to the previous days backup. My understanding here is that by doing this each unique file is only stored once and then just a series of hard-links which don't take up additional space is used.

However, on unraid dashboard the disk usages graphs seem to look at apparent/logical size and not actual size. I confirmed this by deleting some older backups. Is there a way to change this reporting behavior?

# Where to store today's backup

DEST="$DESTBASE/$(date +%Y-%m-%d)"

# Where to find yesterday's backup

YESTERDAY="$DESTBASE/$(date -d yesterday +%Y-%m-%d)/"

# Use yesterday's backup as the incremental base if it exists

if [ -d "$YESTERDAY" ]

then

OPTS="--link-dest $YESTERDAY"

fi

# Run the rsync

rsync -av $OPTS "$SOURCE" "$DEST"

20 hours ago, darwinsbeard said:

on unraid dashboard the disk usages graphs seem to look at apparent/logical size and not actual size.

It should report the actual size, compare with df -h

You might want to verify your hardlinks are working using something like "czkawka" from the CA app store