Comments on: NAS RAID Levels Explained: Choosing The Right Level To Protect Your NAS Data https://www.backblaze.com/blog/nas-raid-levels-explained-choosing-the-right-level-to-protect-your-nas-data/ Cloud Storage & Cloud Backup Thu, 22 Jun 2023 16:25:01 +0000 hourly 1 https://wordpress.org/?v=6.4.3 By: Henrik Staun Poulsen https://www.backblaze.com/blog/nas-raid-levels-explained-choosing-the-right-level-to-protect-your-nas-data/#comment-330011 Wed, 21 Jun 2023 15:47:11 +0000 https://www.backblaze.com/blog/?p=109048#comment-330011 1 day to discover that a disk has failed, order a new one, get it shipped and installed.
Isn’t that a bit optimistic?
Most of the shops I’ve worked with has taken a week or a month, or even longer.

]]> By: Pat Patterson https://www.backblaze.com/blog/nas-raid-levels-explained-choosing-the-right-level-to-protect-your-nas-data/#comment-330012 Wed, 21 Jun 2023 12:51:31 +0000 https://www.backblaze.com/blog/?p=109048#comment-330012 In reply to Henrik Staun Poulsen.

1 day is definitely a best-case scenario, and assumes you have a spare on hand. I personally have a 4-drive Synology NAS with a 3-drive RAID array and a spare, so it can be swapped in instantly. The calculations here are intended as a starting point to illustrate some of the trade-offs. Things get much more complicated when the rebuild time is variable!

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