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A few Fixes for ZFS Systems
Fixed syntax error: invalid arithmetic operator (error token is ".3T 17" Line 570 so rewrote the ZFSCHECK Caused by having 7.3T Free Space Actual output "hddpool zfs 7.8T 514G 7.3T 7% /hddpool" Line 270 Added ZFS as a option so we can display Disk Space. Tested on Debian 12, Ubuntu 24.04, and Proxmox 8.4.1
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1 changed files with 74 additions and 40 deletions
114
yabs.sh
114
yabs.sh
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@ -267,7 +267,7 @@ TOTAL_SWAP_RAW=$(free | grep Swap | awk '{ print $2 }')
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TOTAL_SWAP=$(format_size "$TOTAL_SWAP_RAW")
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echo -e "Swap : $TOTAL_SWAP"
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# total disk size is calculated by adding all partitions of the types listed below (after the -t flags)
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TOTAL_DISK_RAW=$(df -t simfs -t ext2 -t ext3 -t ext4 -t btrfs -t xfs -t vfat -t exfat -t ntfs -t swap --total 2>/dev/null | grep total | awk '{ print $2 }')
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TOTAL_DISK_RAW=$(df -t simfs -t ext2 -t ext3 -t ext4 -t zfs -t btrfs -t xfs -t vfat -t exfat -t ntfs -t swap --total 2>/dev/null | grep total | awk '{ print $2 }')
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TOTAL_DISK=$(format_size "$TOTAL_DISK_RAW")
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echo -e "Disk : $TOTAL_DISK"
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DISTRO=$(grep 'PRETTY_NAME' /etc/os-release | cut -d '"' -f 2 )
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@ -534,53 +534,87 @@ elif [[ -z "$SKIP_FIO" && "$AVAIL_SPACE" -lt 524288 && ("$ARCH" = "aarch64" || "
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elif [ -z "$SKIP_FIO" ]; then
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# Perform ZFS filesystem detection and determine if we have enough free space according to spa_asize_inflation
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ZFSCHECK="/sys/module/zfs/parameters/spa_asize_inflation"
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if [[ -f "$ZFSCHECK" ]];then
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mul_spa=$(( $(cat /sys/module/zfs/parameters/spa_asize_inflation) * 2 ))
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warning=0
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poss=()
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if [[ -f "$ZFSCHECK" ]]; then
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# Calculate mul_spa, which is assumed to be an integer (e.g., 2 * 2 = 4)
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mul_spa=$(( $(cat /sys/module/zfs/parameters/spa_asize_inflation) * 2 ))
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warning=0
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poss=()
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for pathls in $(df -Th | awk '{print $7}' | tail -n +2)
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do
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if [[ "${PWD##"$pathls"}" != "$PWD" ]]; then
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poss+=("$pathls")
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fi
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done
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# Find relevant filesystem paths that are parent directories or the current directory itself
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for pathls in $(df -Th | awk '{print $7}' | tail -n +2)
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do
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# Check if PWD starts with (is a subdirectory of or same as) pathls
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if [[ "${PWD}" == "${pathls}"* ]]; then
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poss+=("$pathls")
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fi
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done
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long=""
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m=-1
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for x in "${poss[@]}"
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do
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if [ "${#x}" -gt "$m" ];then
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m=${#x}
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long=$x
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fi
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done
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long=""
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m=-1 # Initialize max length to -1 to ensure the first valid path is picked
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# Select the longest matching path from the 'poss' array
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# This ensures we get the most specific mounted point for the current directory
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for x in "${poss[@]}"
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do
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if [ "${#x}" -gt "$m" ];then
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m=${#x}
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long=$x
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fi
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done
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size_b=$(df -Th | grep -w "$long" | grep -i zfs | awk '{print $5}' | tail -c -2 | head -c 1)
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free_space=$(df -Th | grep -w "$long" | grep -i zfs | awk '{print $5}' | head -c -2)
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# Proceed only if a relevant ZFS path was found
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if [[ -n "$long" ]]; then
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# Get the 'Avail' space directly for the detected path and explicitly for ZFS type
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# The 'Avail' column is the 4th field in `df -Th` output
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# Example: '7.3T', '104G', '17G'
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avail_space_with_unit=$(df -Th | grep -w "$long" | awk '$2 == "zfs" {print $4; exit}')
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if [[ $size_b == 'T' ]]; then
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free_space=$(awk "BEGIN {print int($free_space * 1024)}")
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size_b='G'
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fi
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# If a valid free space value was extracted
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if [[ -n "$avail_space_with_unit" ]]; then
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# Use bash regex to extract the numeric part and the unit
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# e.g., "7.3T" -> numeric_part="7.3", unit="T"
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if [[ "$avail_space_with_unit" =~ ^([0-9.]+\.?)([KMGT]?)$ ]]; then
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numeric_part="${BASH_REMATCH[1]}"
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unit="${BASH_REMATCH[2]}"
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# Convert unit to uppercase for consistent case statement matching
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unit=$(echo "$unit" | tr '[:lower:]' '[:upper:]')
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if [[ $(df -Th | grep -w "$long") == *"zfs"* ]];then
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# Convert all values to Gigabytes using 'bc -l' for accurate floating-point arithmetic
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free_space_gb=0
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case "$unit" in
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T) free_space_gb=$(echo "$numeric_part * 1024" | bc -l) ;;
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G) free_space_gb=$(echo "$numeric_part" | bc -l) ;;
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M) free_space_gb=$(echo "$numeric_part / 1024" | bc -l) ;;
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K) free_space_gb=$(echo "$numeric_part / (1024 * 1024)" | bc -l) ;;
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# If no unit or 'B' (bytes), assume bytes and convert to GB
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B|"") free_space_gb=$(echo "$numeric_part / (1024 * 1024 * 1024)" | bc -l) ;;
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*) free_space_gb=0 ;; # Fallback for unexpected units
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esac
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if [[ $size_b == 'G' ]]; then
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if ((free_space < mul_spa)); then
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warning=1
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fi
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else
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warning=1
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fi
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# Round the result to the nearest integer for comparison in bash's arithmetic context
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# printf "%.0f" ensures it's an integer string.
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free_space_gb_int=$(awk "BEGIN {printf \"%.0f\", $free_space_gb}")
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fi
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# Now, perform the arithmetic comparison with the integer free_space_gb_int
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if ((free_space_gb_int < mul_spa)); then
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warning=1
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fi
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else
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# Handle case where avail_space_with_unit doesn't match expected format
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echo "Warning: Could not parse free space format for $long: '$avail_space_with_unit'"
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# Potentially set warning=1 here if unparseable space is critical
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fi
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else
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echo "Warning: No ZFS entry found for path $long or could not extract available space."
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fi
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else
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echo "Note: No relevant filesystem path detected for current directory ($PWD)."
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fi
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if [[ $warning -eq 1 ]];then
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echo -en "\nWarning! You are running YABS on a ZFS Filesystem and your disk space is too low for the fio test. Your test results will be inaccurate. You need at least $mul_spa GB free in order to complete this test accurately. For more information, please see https://github.com/masonr/yet-another-bench-script/issues/13\n"
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fi
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fi
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# Display warning if conditions are met
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if [[ $warning -eq 1 ]];then
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echo -en "\nWarning! You are running YABS on a ZFS Filesystem and your disk space is too low for the fio test. Your test results will be inaccurate. You need at least $mul_spa GB free in order to complete this test accurately. For more information, please see https://github.com/masonr/yet-another-bench-script/issues/13\n"
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fi
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fi
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echo -en "\nPreparing system for disk tests..."
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# create temp directory to store disk write/read test files
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