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mirror | TrueNAS Community SOLVED Drive backup using mirroring: how to restore? Hello! My setup is the following: 1 vdev with 3 HDDs, all 3 mirror of each other (so 3 x 3TB HDD, total available space = 3TB) 2 Drives are just going to spin all the time, mirror of each other, that's the redundancy The 3rd drive, I'll plug it in once every now and then (say: once per
Performance: RAIDz1 vs mirroring | TrueNAS Community For a personal computer (Unix) I have to decide between mirroring 2 SSDs or RAIDz1 3 SSDs After some reading, I found places that say mirroring is faster than RAIDz1 This doesn't make any sense to me Yes, RAIDz1 has to compute the parity info for the third disk But, CPU times (for
3 Drive Configuration | TrueNAS Community The drive prices for 16TB drives (specifically Exos) are pretty decent compared to 10TB I think, thus why I want 16TB Are there any downsides to a 3 way mirror? Would it allow two out of the three drives fail without incident? Also if you know any documentation on it that would help a lot Also with RAIDZ, adding drives to a pool later requires resilvering, does a mirror 3 way mirror require
Correct method for converting disks to mirrors in TruenasSCALE I’ve changed the pool setup on my Truenas Scale box from Spinning to Flash The main pool will consist of 2x Optane 900p 280GB mirrored for Metadata and 6x Samsung QVO 8TB configured as 3 mirrors Given the cost of the drives I’ve started out with single disks in each of the vdevs with the
Protecting bathroom mirror from corroding around the edges In my bathroom I have a beautiful illuminated LED mirror It's now 10 years since I originally installed it - and over time, the edges have become de-silvered as the backing coat has corroded and p
How to set up 2-way and 3-way mirrors. | TrueNAS Community A "3-way" mirror would have three columns and two rows, and would consist of two mirrors, of three disks each, striped together If you wanted to keep the same level of redundancy, this would be correct But there's nothing inherent in ZFS that would keep you from striping a two-disk mirror with a pair of three-disk mirrors, or vice versa
SOLVED - Help understanding Mirrored vdevs in relation to pools With a 2x 2-way mirror and a cold spare the only risk would be if a second disk failed before I could replace the first one, which is a risk I'm willing to live with Plus I think 2tb is enough for now, and I can always rebuild the pool later with more mirrored vdevs if I need more space
Reword pool Extend to Attach a Mirror to be consistent . . . - TrueNAS It may not be deliberate, but we do plan to support RAIDZ expansion in 2024 in this case adding a drive to a VDEV is an "extension" Makes even more sense to distinguish the 2 features! Make the "Extend" button actually extend a RAIDZ pool and a separate "Attach" button attach a mirror, as per under the hood CLI terminology
Why Raidz? | TrueNAS Community Everywhere, everybody in every blog post looks telling that mirror vdev Is Better than raidz vdev If that's Always the truth, why do Raidz even exists? What are the pros of using raidz over mirror ( with same number of redundant disks)