13 drives: Difference between revisions
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What's the best setup for 13 drives? I don't need high performance (this will be mostly for archiving media), but very much do not want to lose my data. The drives are 18TB, and [[ZFS]] will be used exclusively. | What's the best setup for 13 drives? I don't need high performance (this will be mostly for archiving media), but very much do not want to lose my data. The drives are 18TB, and [[ZFS]] will be used exclusively. | ||
<b>MinFail</b>: This many failures will kill the array in the worst case.<br> | |||
<b>MaxTol</b>: This many failures can be tolerated in the best case. | |||
{| class="wikitable" | {| class="wikitable" | ||
! Name !! Setup !! Availability !! | ! Name !! Setup !! Availability !! MaxTol !! MinFail !! Max Rebuild !! Perf | ||
|- | |- | ||
| raid3z | | raid3z | ||
| Line 8: | Line 11: | ||
| 76.9% (10) | | 76.9% (10) | ||
| 3 | | 3 | ||
| 4 | |||
| 100% + fail | | 100% + fail | ||
| | | | ||
| Line 15: | Line 19: | ||
| 69.2% (9) | | 69.2% (9) | ||
| 3 | | 3 | ||
| 4 | |||
| 92.3% | | 92.3% | ||
| | | | ||
| Line 22: | Line 27: | ||
| 84.6% (11) | | 84.6% (11) | ||
| 2 | | 2 | ||
| 3 | |||
| 84.6% + fail | | 84.6% + fail | ||
| | | | ||
| Line 29: | Line 35: | ||
| 76.9% (10) | | 76.9% (10) | ||
| 2 | | 2 | ||
| 3 | |||
| 76.9% | | 76.9% | ||
| | | | ||
| Line 36: | Line 43: | ||
| 61.5% (8) | | 61.5% (8) | ||
| 2 + 2 | | 2 + 2 | ||
| 3 | |||
| 30.8% | | 30.8% | ||
| | | | ||
| Line 43: | Line 51: | ||
| 76.9% (10) | | 76.9% (10) | ||
| 1 + 1 | | 1 + 1 | ||
| 2 | |||
| 46.2% | | 46.2% | ||
| | | | ||
| Line 50: | Line 59: | ||
| 61.5% (8) | | 61.5% (8) | ||
| 1 + 1 + 1 + 1 | | 1 + 1 + 1 + 1 | ||
| 2 | |||
| 25% | | 25% | ||
| | | | ||
| Line 57: | Line 67: | ||
| 30.8% (4) | | 30.8% (4) | ||
| 6 + 2 | | 6 + 2 | ||
| 6 | |||
| 46.2% | | 46.2% | ||
| | | | ||
| Line 64: | Line 75: | ||
| 38.5% (5) | | 38.5% (5) | ||
| 6 + 1 | | 6 + 1 | ||
| 4 | |||
| 46.2% | | 46.2% | ||
| | | | ||
|} | |} | ||
14 disks might be more attractive; I work that out [[Schwarzgerat_III|over here]]. | |||
14 disks might be more attractive | |||
| | |||