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The original was posted on /r/homelab by /u/Lastb0isct on 2023-08-08 18:43:29+00:00.


I am running RHEL8 + OpenZFS on my system and have quite a few WD 8TB drives that are above 40k hours on them. Should I prepare myself for some failures soon & pre-emptively get them replaced or should they be fine? These are in a RAIDZ2

-----------------------------------------------
| Dev  | Model                 | Temp | Hours |
| sdv  | OOS8000G              | 36   | 281   |
| sdag | OOS14000G             | 36   | 537   |
| sdaj | CT4000MX500SSD1       | 37   | 1244  |
| sda  | OOS14000G             | 39   | 2508  |
| sdaf | OOS14000G             | 34   | 2514  |
| sdb  | OOS14000G             | 38   | 2533  |
| sdc  | OOS14000G             | 37   | 2556  |
| sdai | OOS14000G             | 36   | 2579  |
| sdah | OOS14000G             | 36   | 2604  |
| sdae | OOS14000G             | 36   | 2666  |
| sdad | OOS14000G             | 37   | 2691  |
| sdk  | ST18000NM000J-2TV103  | 37   | 5596  |
| sdj  | ST18000NM000J-2TV103  | 39   | 5670  |
| sds  | WDC WD80EDAZ-11TA3A0  | 37   | 8467  |
| sdf  | WDC WD161KRYZ-01AGBB0 | 40   | 12340 |
| sdg  | WDC WD161KRYZ-01AGBB0 | 36   | 12340 |
| sdi  | WDC WD140EDGZ-11B1PA0 | 40   | 15121 |
| sdh  | WDC WD140EDGZ-11B1PA0 | 39   | 15140 |
| sdw  | WDC WD80EDAZ-11TA3A0  | 38   | 21877 |
| sde  | WDC WD120EMFZ-11A6JA0 | 39   | 26296 |
| sdd  | WDC WD120EMFZ-11A6JA0 | 40   | 26297 |
| sdm  | WDC WD80EMAZ-00WJTA0  | 32   | 29810 |
| sdab | WDC WD80EMAZ-00M9AA0  | 37   | 30020 |
| sdac | HGST HUS728T8TALE6L4  | 38   | 30536 |
| sdl  | HUH728080ALE601       | 33   | 30608 |
| sdt  | WDC WD80EMAZ-00M9AA0  | 36   | 35106 |
| sdq  | WDC WD80EMAZ-00M9AA0  | 36   | 35127 |
| sdo  | WDC WD80EZAZ-11TDBA0  | 33   | 43225 |
| sdp  | WDC WD80EMAZ-00WJTA0  | 33   | 44012 |
| sdu  | WDC WD80EMAZ-00WJTA0  | 35   | 45729 |
| sdaa | WDC WD80EMAZ-00WJTA0  | 35   | 45748 |
| sdx  | WDC WD80EMAZ-00WJTA0  | 34   | 45769 |
| sdy  | WDC WD80EMAZ-00WJTA0  | 34   | 45786 |
| sdn  | WDC WD80EMAZ-00WJTA0  | 33   | 45787 |
| sdz  | WDC WD80EMAZ-00WJTA0  | 36   | 47898 |
| sdr  | WDC WD80EMAZ-00WJTA0  | 35   | 47947 |