mirror of
https://github.com/AuxXxilium/arc-addons.git
synced 2024-11-23 21:50:52 +07:00
110 lines
3.4 KiB
Bash
Executable File
110 lines
3.4 KiB
Bash
Executable File
#!/usr/bin/env bash
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#
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# Copyright (C) 2023 AuxXxilium <https://github.com/AuxXxilium> and 007revad <https://github.com/007revad>
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#
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# This is free software, licensed under the MIT License.
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# See /LICENSE for more information.
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#
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script="Sequential I/O SSD caches"
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color=no
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# Check script is running as root
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if [[ $( whoami ) != "root" ]]; then
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echo -e "$script"
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echo -e "ERROR This script must be run as sudo or root!"
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exit 1
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fi
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# Save options used
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args=("$@")
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if [[ -z "$1" ]]; then
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kb="0"
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elif [[ "$1" == "true" ]]; then
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kb="0"
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elif [[ "$1" == "false" ]]; then
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kb="1024"
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fi
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# Show options used
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if [[ ${#args[@]} -gt "0" ]]; then
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echo "Using options: ${args[*]}"
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fi
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# Get list of volumes with caches
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cachelist=("$(sysctl dev | grep skip_seq_thresh_kb)")
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IFS=$'\n' caches=($(sort <<<"${cachelist[*]}")); unset IFS
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if [[ ${#caches[@]} -lt "1" ]]; then
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echo "No caches found!" && exit 1
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fi
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# Get caches' current setting
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for c in "${caches[@]}"; do
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volume="$(echo "$c" | cut -d"+" -f2 | cut -d"." -f1)"
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kbs="$(echo "$c" | cut -d"=" -f2 | awk '{print $1}')"
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volumes+=("${volume}|$kbs")
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sysctl_dev="$(echo "$c" | cut -d"." -f2 | awk '{print $1}')"
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sysctl_devs+=("$sysctl_dev")
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done
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# Show cache volumes and current setting
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if [[ ${#volumes[@]} -gt 0 ]]; then
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IFS="|" read -r cachevol setting <<< "${volumes}"
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cachevols=("$cachevol")
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fi
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for v in "${sysctl_devs[@]}"; do
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for c in "${cachevols[@]}"; do
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if [[ $v =~ "$c" ]]; then
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cachevol="$c"
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# Get cache's key name
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cacheval="$(sysctl dev | grep skip_seq_thresh_kb | grep "$cachevol")"
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key="$(echo "$cacheval" | cut -d"=" -f1 | cut -d" " -f1)"
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# Set new cache kb value
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val="$(synosetkeyvalue /etc/sysctl.conf "$key")"
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if [[ $val != "$kb" ]]; then
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synosetkeyvalue /etc/sysctl.conf "$key" "$kb"
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fi
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if echo "$v" | grep "$cachevol" >/dev/null; then
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echo "$kb" > "/proc/sys/dev/${v}/skip_seq_thresh_kb"
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fi
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# Check we set key value
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check="$(synogetkeyvalue /etc/sysctl.conf "$key")"
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if [[ "$check" == "0" ]]; then
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echo -e "Sequential I/O for $cachevol cache is ${Green}Enabled${Off} in /etc/sysctl.conf"
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elif [[ "$check" == "1024" ]]; then
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echo -e "Sequential I/O for $cachevol cache is ${Red}Disabled${Off} in /etc/sysctl.conf"
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elif [[ -z "$check" ]]; then
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echo -e "Sequential I/O for $cachevol cache is ${Red}not set${Off} in /etc/sysctl.conf"
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else
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echo -e "Sequential I/O for $cachevol cache is set to ${Cyan}$check${Off} in /etc/sysctl.conf"
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fi
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# Check we set proc/sys/dev
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val="$(cat /proc/sys/dev/"${v}"/skip_seq_thresh_kb)"
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if [[ "$val" == "0" ]]; then
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echo -e "Sequential I/O for $cachevol cache is ${Green}Enabled${Off} in /proc/sys/dev\n"
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elif [[ "$val" == "1024" ]]; then
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echo -e "Sequential I/O for $cachevol cache is ${Red}Disabled${Off} in /proc/sys/dev\n"
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elif [[ -z "$val" ]]; then
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echo -e "Sequential I/O for $cachevol cache is ${Red}not set${Off} in /proc/sys/dev\n"
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else
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echo -e "Sequential I/O for $cachevol cache is set to ${Cyan}$val${Off} in /proc/sys/dev\n"
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fi
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fi
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done
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done
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exit 0 |