mirrors/it-tools
1
0
Fork 0
mirror of https://github.com/CorentinTh/it-tools.git synced 2025-05-04 21:37:11 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

added space efficiency info

Browse source
This commit is contained in:
Rob Weber 2024-07-29 20:30:31 +00:00
parent b476b6808e
commit cb23cdf343
2 changed files with 33 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

20
src/tools/raid-calculator/raid-calculator.service.ts
View file

@ -11,6 +11,10 @@ const raidCalculations = {
// total disks * size
return (num * size) * unit;
},
efficiency(num) {
// uses 100% of space
return 100;
},
fault(num, size, unit) {
return 'None';
},
@ -25,6 +29,10 @@ const raidCalculations = {
// total size is size of a single drive
return size * unit;
},
efficiency(num) {
// 1/N
return (1 / num) * 100;
},
fault(num, size, unit) {
// FT = total - 1
return `${num - 1} drive failures`;
@ -40,6 +48,10 @@ const raidCalculations = {
// (N-1) * S (one drive for parity)
return ((num - 1) * size) * unit;
},
efficiency(num) {
// 1 - (1/N)
return (1 - (1 / num)) * 100;
},
fault(num, size, unit) {
// always 1 failure
return '1 drive failure';
@ -55,6 +67,10 @@ const raidCalculations = {
// (N-2) * S (2 parity)
return ((num - 2) * size) * unit;
},
efficiency(num) {
// 1 - (2/N)
return (1 - (2 / num)) * 100;
},
fault(num, size, unit) {
// always 2 drive failures
return '2 drive failures';
@ -70,6 +86,10 @@ const raidCalculations = {
// Total disks (stripe)/2 (mirror)
return ((num * size) / 2) * unit;
},
efficiency(num) {
// 1/2 (1/strips per stripe, 2 in this case)
return 50;
},
fault(num, size, unit) {
// one per mirror
return '1 drive failure per mirrored set';