Yea, those are specifically configured to only be accessed at boot time, all the cache writes, etc, go to another drive that tolerates regular reads/writes.
And I think even VMware, etc, are moving away from SD and going to M2, for reliability.
It makes sense to go with NVMe drives instead for a RAID NAS as it’s the same memory technology (and what mostly determines the price in all of them is the amount of memory) so the price per GB isn’t any higher (probably a bit lower as size is less of a constraint), the size is still quite small (it’s surprising just how small NVMe SSD drives are compared with the older SSD 2.5 inch SATA ones) and NVMe is a much faster interface than SD so that things is going to be way faster.
It think I saw some in AliExpress the other day, but for what I use my NAS, plain old HDs with no RAID for redundancy or speed are just fine.
Do people setup RAIDs with sd cards? There should be a super mini box for a sd card RAID
I doubt they would be reliable enough for a RAID array. It would be much better to use m.2 drives.
You probably don’t want it
https://www.youtube.com/watch?v=O2jKKFUnycA
https://www.youtube.com/watch?v=3frnBoqqI_Q
I tried to watch it but that guy is just way too boring to listen to
I know right? It’s like he and Linus(LTT) are at opposite ends of the spectrum. Long story short, it’s not worth it.
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Here is an alternative Piped link(s):
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https://www.piped.video/watch?v=3frnBoqqI_Q
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It wouldn’t be the best of ideas because the flash used for SD cards do not have the same kind of write endurance as other types of flash media.
More writes, more failures. SD cards work best when you write once and don’t delete it for a long time
I’ve seen them set up in servers a RAID 1 booting ESXi
Yea, those are specifically configured to only be accessed at boot time, all the cache writes, etc, go to another drive that tolerates regular reads/writes.
And I think even VMware, etc, are moving away from SD and going to M2, for reliability.
It makes sense to go with NVMe drives instead for a RAID NAS as it’s the same memory technology (and what mostly determines the price in all of them is the amount of memory) so the price per GB isn’t any higher (probably a bit lower as size is less of a constraint), the size is still quite small (it’s surprising just how small NVMe SSD drives are compared with the older SSD 2.5 inch SATA ones) and NVMe is a much faster interface than SD so that things is going to be way faster.
It think I saw some in AliExpress the other day, but for what I use my NAS, plain old HDs with no RAID for redundancy or speed are just fine.
SD is a poor choice (though could be an interesting solution in certain cases, maybe).
SSD and M2 can be used, if you get the right SSD, and ensure everything is setup properly.
Even SSD doesn’t guarantee a lower power consumption than 2.5" spinning disk drives - it depends on the drives and usage patterns (mostly the drives).
The self-hosting community discusses this quite a bit.
Sure. Look on aliexpress for “SD Raid” and you will find some for ~$15