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added raid 60

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This commit is contained in:
Rob Weber 2024-07-30 14:46:09 +00:00
parent 8bb3534b31
commit 26e0657ede
3 changed files with 28 additions and 5 deletions
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28
src/tools/raid-calculator/raid-calculator.service.ts
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@ -97,12 +97,12 @@ const raidCalculations = {
},
raid_50: {
about: 'RAID 50 stripes multiple RAID 5 arrays together (RAID 5 + RAID 0). Each RAID 5 set can sustain a single drive failure. More info: <a href="https://en.wikipedia.org/wiki/Nested_RAID_levels#RAID_50_(RAID_5+0)" target="_blank">Wikipedia</a>',
requirements: 'RAID 50 requires at least 6 disks total with 3 minimum per stripe. Stripes must contain an equal number of disks.',
requirements: 'RAID 50 requires at least 6 disks with 3 minimum per stripe. Stripes must contain an equal number of disks.',
validate(num, size, stripeSize) {
return num >= 6 && stripeSize >= 3 && num % stripeSize === 0;
},
capacity(num, size, stripeSize, unit) {
// RAID 5 per strip
// RAID 5 per stripe
const perStripe = ((stripeSize - 1) * size) * unit;
// sum each stripe
@ -113,8 +113,30 @@ const raidCalculations = {
return (1 - (1 / stripeSize)) * 100;
},
fault(num, size, unit) {
// one per mirror
// one per set
return '1 drive failure per RAID 5 set';
},
},
raid_60: {
about: 'RAID 60 stripes multiple RAID 6 arrays together (RAID 6 + RAID 0). Each RAID 6 set can sustain a two drive failures. More info: <a href="https://en.wikipedia.org/wiki/Nested_RAID_levels#RAID_60_(RAID_6+0)" target="_blank">Wikipedia</a>',
requirements: 'RAID 50 requires at least 8 disks with 4 minimum per stripe. Stripes must contain an equal number of disks.',
validate(num, size, stripeSize) {
return num >= 8 && stripeSize >= 4 && num % stripeSize === 0;
},
capacity(num, size, stripeSize, unit) {
// RAID 6 per stripe
const perStripe = ((stripeSize - 2) * size) * unit;
// sum each stripe
return perStripe * (num / stripeSize);
},
efficiency(num, stripeSize) {
// 1 - (2 / strips per stripe)
return (1 - (2 / stripeSize)) * 100;
},
fault(num, size, unit) {
// 2 per set
return '2 drive failures per RAID 6 set';
},
},
};