Post AACMEHEbMeUwzAgagK by qwertystop@wandering.shop
(DIR) More posts by qwertystop@wandering.shop
(DIR) Post #AABwtH0eVYmBLv379U by Rasp@raru.re
2021-08-10T19:25:25Z
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PSA: RAID IS NOT A BACKUP.
(DIR) Post #AAC3rzBE0lxfReKNI8 by Paradox@busshi.moe
2021-08-10T20:43:40Z
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@Rasp It's been a minute since I studied raid in class.It's similar to a backup, no? For servers. If one drive fails, another drive is available for the same data.
(DIR) Post #AACCr7r3AnfZe9YW7E by Rasp@raru.re
2021-08-10T22:24:06Z
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@Paradox yes and no. it can help you recover data in the event of a drive failure but you absolutely should never rely on it as a backup solution.
(DIR) Post #AACEfytoKSNAavf1LU by Paradox@busshi.moe
2021-08-10T22:44:45Z
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@Rasp Hm. What's the best solution then?Is the issue with live drives? Is a dormant drive better?
(DIR) Post #AACMEHEbMeUwzAgagK by qwertystop@wandering.shop
2021-08-11T00:09:21Z
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@Paradox @Rasp The problems are that A: Software problems causing corrupted data to be written over clean older versions will do so on all disks with no chance for recovery, and B: many sources of physical damage (house fire, falling object, large spill, burglar) will break all the drives at once.It's security against drives failing due to natural wear, and nothing else. And if two drives are of similar age, odds are good that one fails soon after the other.
(DIR) Post #AACN2Wj82QnNVtvSEa by qwertystop@wandering.shop
2021-08-11T00:11:26Z
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@Paradox @Rasp Periodic backup to a dormant but onsite drive (e.g. a USB backup drive that's updated with a fresh snapshot daily) handles A, especially if it also keeps historical versions. Anything offsite handles both A and B.