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mirror | TrueNAS Community 2 drive mirror READ performance (no ARC) beats 2x2 mirror? I've got two volumes on the same FreeNAS 11 box that use HDDs for data storage: -- #1 is a 2 drive mirror using 5 year old WD Se 4 TB HDDs (WD Se was the predecessor to WD Red Pro) -- #2 is a 2x2 mirror (like a RAID10) using brand new WD Gold 10 TB HDDs Both are set up the same way with
Protecting bathroom mirror from corroding around the edges If the mirror is two large to bake it out , we used isopropyl alcohol saturated and wiped clean several times then used a hair dryer and sealed this worked well for a huge bar mirror – Ed Beal Commented Dec 31, 2019 at 16:41
Adding additional drives to mirror existing pool? - TrueNAS I have a 9 10 1 system configured with two equivalent drives striped I have two additional drives of the same size and model that I would like to add My thought was to have a Raid 10 setup by striping the two new drives then mirroring to the pre-existing stripe What would I need to do to
drywall - Safely hang a mirror that does not have hooks - Home . . . I mounted a similar mirror to a wall by drilling symmetrically-spaced holes through the frame (about one per six inches of frame perimeter) and screwing the mirror directly to the drywall using appropriate-length black phosphate coarse thread drywall screws
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
[HOWTO]FreeNAS as a Ubuntu Debian patch server “apt-mirror” is a tool provided by linux community to mirror Debian Ubuntu archives This post focuses on ubuntu, but it should work with Debian,too What it does is downloading everything on the server that is related to your distro and store it at a local place
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
3 Drive Configuration | TrueNAS Community It will work You can create a pool with only a single 3-way mirror and at a later date add another 3-way mirror to the very same pool The pool will then extend according to the size of that new mirror Such a pool will be and remain safe and stable It is not ideal because at first, all your data will be on your first mirror
Why Raidz? | TrueNAS Community Assuming 18TB drives, in order to get the same space of a 12-wide RAIDZ3 VDEV while maintaining the same level of redundancy you would need 9 VDEVs in 4-way mirror, for a total of 36 drives: 12 vs 36 is a lot of money saved; moreover, such a greater number of drives actually means an increased probability of pool failure
electrical - LED Mirror and Dimmable Vanity on same Single Pole dimmer . . . I want to put a LED Mirror and Dimmable Vanity on same Single Pole dimmer switch Ideally the LED mirror would get full power while the dimmer switch controls the dimmable vanity LED lights I was thinking about using a current sensing relay that will know when the vanity LED lights turn on and then send full power to the LED mirror