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implementation of raid calculator with levels 0, 1, 5, 6, and 10

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Rob Weber 2024-07-28 20:25:09 +00:00
parent 76a19d218d
commit 37cfd0a105
7 changed files with 247 additions and 7 deletions
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107
src/tools/raid-calculator/raid-calculator.vue Normal file
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<script setup lang="ts">
import { isNotThrowing } from '@/utils/boolean';
import { raidCalculations } from './raid-calculator.service';
const diskTotal = ref(2);
const diskSize = ref(100);
const diskUnit = ref(Math.pow(10, 9));
const raidType = ref('raid_0');
const raidInfo = computed(() => raidCalculations[raidType.value].about);
const raidRequirements = computed(() => raidCalculations[raidType.value].requirements);
const inputsValid = computed(() => validateSetup());
const calculatedCapacity = computed(() => {
// make sure values exist
if(diskTotal.value === undefined || diskSize.value === undefined)
{
return '';
}
return formatBytes(raidCalculations[raidType.value].capacity(diskTotal.value, diskSize.value, diskUnit.value));
});
const calculatedFaultTolerance = computed(() => {
// make sure values exist
if(diskTotal.value === undefined || diskSize.value === undefined)
{
return '';
}
return raidCalculations[raidType.value].fault(diskTotal.value, diskSize.value, diskUnit.value);
});
function validateSetup(){
// validate the selected RAID type against parameters
return raidCalculations[raidType.value].validate(diskTotal.value, diskSize.value);
}
// similar to the utility function but uses base 10 instead of base 2
function formatBytes(bytes: number, decimals = 2) {
if (bytes === 0) {
return '0 Bytes';
}
const k = Math.pow(10, 3);
const sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'];
const i = Math.floor(Math.log(bytes) / Math.log(k));
return `${Number.parseFloat((bytes / k ** i).toFixed(decimals))} ${sizes[i]}`;
}
</script>
<template>
<div>
<c-card>
<n-form-item label="Number of disks" label-placement="left" label-width="150" mb-2>
<n-input-number v-model:value="diskTotal" max="10000" min="2" placeholder="Number of disks (ex: 2)" w-full />
</n-form-item>
<n-form-item label="Disk size" label-placement="left" label-width="150" mb-2>
<n-input-number v-model:value="diskSize" max="10000" min="1" placeholder="Disk size (ex: 100)" w-full />
<div flex items-baseline gap-2>
<c-select
v-model:value="diskUnit"
min-w-130px
:options="[
{ label: 'MB', value: Math.pow(10, 6) },
{ label: 'GB', value: Math.pow(10, 9) },
{ label: 'TB', value: Math.pow(10, 12) },
{ label: 'PB', value: Math.pow(10, 15) },
]"
/>
</div>
</n-form-item>
<n-form-item label="RAID Type" label-placement="left" label-width="150" mb-2>
<c-select
v-model:value="raidType"
w-full
:options="[
{ label: 'RAID 0 (stripe)', value: 'raid_0' },
{ label: 'RAID 1 (mirror)', value: 'raid_1' },
{ label: 'RAID 5 (parity)', value: 'raid_5' },
{ label: 'RAID 6 (double parity)', value: 'raid_6' },
{ label: 'RAID 10 (mirror + stripe)', value: 'raid_10' },
]"
/>
</n-form-item>
<p class="raidError" v-if="!inputsValid">{{ raidRequirements }}</p>
<p v-else v-html="raidInfo"></p>
</c-card>
<c-card title="Results">
<n-statistic label="Capacity" mb-2 v-if="inputsValid">
{{ calculatedCapacity }}
</n-statistic>
<n-statistic label="Fault Tolerance" mb-2 v-if="inputsValid">
{{ calculatedFaultTolerance }}
</n-statistic>
</c-card>
</div>
</template>
<style lang="less" scoped>
.raidError {
color: rgb(208, 48, 80)
}
</style>