mirror of
https://github.com/vdsm/virtual-dsm.git
synced 2026-01-22 13:31:02 +08:00
87 lines
2.1 KiB
Bash
87 lines
2.1 KiB
Bash
#!/usr/bin/env bash
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set -Eeuo pipefail
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RAM_AVAIL=$(free -b | grep -m 1 Mem: | awk '{print $7}')
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if [[ "$RAM_CHECK" != [Nn]* && "${RAM_SIZE,,}" != "max" && "${RAM_SIZE,,}" != "half" ]]; then
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AVAIL_MEM=$(formatBytes "$RAM_AVAIL")
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if (( (RAM_WANTED + RAM_SPARE) > RAM_AVAIL )); then
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msg="Your configured RAM_SIZE of ${RAM_SIZE/G/ GB} is too high for the $AVAIL_MEM of memory available,"
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if [[ "${FS,,}" == "zfs" ]]; then
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info "$msg but since ZFS is active this will be ignored."
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else
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RAM_SIZE="max"
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warn "$msg it will automatically be adjusted to a lower amount."
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fi
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else
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if (( (RAM_WANTED + (RAM_SPARE * 3)) > RAM_AVAIL )); then
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msg="your configured RAM_SIZE of ${RAM_SIZE/G/ GB} is very close to the $AVAIL_MEM of memory available,"
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if [[ "${FS,,}" == "zfs" ]]; then
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info "$msg but since ZFS is active this will be ignored."
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else
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warn "$msg please consider a lower amount."
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fi
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fi
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fi
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fi
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if [[ "${RAM_SIZE,,}" == "half" ]]; then
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RAM_WANTED=$(( RAM_AVAIL / 2 ))
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RAM_WANTED=$(( RAM_WANTED / 1073741825 ))
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if (( "$RAM_WANTED" < 1 )); then
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RAM_WANTED=$(( RAM_AVAIL / 2 ))
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RAM_WANTED=$(( RAM_WANTED / 1048577 ))
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RAM_SIZE="${RAM_WANTED}M"
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else
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RAM_SIZE="${RAM_WANTED}G"
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fi
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fi
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if [[ "${RAM_SIZE,,}" == "max" ]]; then
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RAM_WANTED=$(( RAM_AVAIL - (RAM_SPARE * 3) ))
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RAM_WANTED=$(( RAM_WANTED / 1073741825 ))
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if (( "$RAM_WANTED" < 1 )); then
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RAM_WANTED=$(( RAM_AVAIL - (RAM_SPARE * 2) ))
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RAM_WANTED=$(( RAM_WANTED / 1073741825 ))
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if (( "$RAM_WANTED" < 1 )); then
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RAM_WANTED=$(( RAM_AVAIL - RAM_SPARE ))
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RAM_WANTED=$(( RAM_WANTED / 1073741825 ))
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if (( "$RAM_WANTED" < 1 )); then
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RAM_WANTED=$(( RAM_AVAIL - RAM_SPARE ))
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RAM_WANTED=$(( RAM_WANTED / 1048577 ))
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if (( "$RAM_WANTED" < 1 )); then
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RAM_WANTED=$(( RAM_AVAIL ))
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RAM_WANTED=$(( RAM_WANTED / 1048577 ))
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fi
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RAM_SIZE="${RAM_WANTED}M"
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else
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RAM_SIZE="${RAM_WANTED}G"
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fi
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else
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RAM_SIZE="${RAM_WANTED}G"
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fi
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else
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RAM_SIZE="${RAM_WANTED}G"
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fi
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fi
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return 0
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