Btrfs raid 1 performance

Btrfs Raid 1 Performance, 16 جمادى الأولى 1444 بعد الهجرة. 10 جمادى الأولى 1431 بعد الهجرة 2 ربيع الأول 1448 بعد الهجرة 14 ربيع الآخر 1447 بعد الهجرة Pretty annoying if you're trying to write software that can read from a BTRFS array as fast as possible. I thought with raid1 it was first Unfortunately, the typical raid1 read performance benefits are similarly only seen with multiple reads - BTRFS reading from RAID1 12 محرم 1448 بعد الهجرة 9 ربيع الأول 1448 بعد الهجرة RAID1 on Btrfs means two copies on different devices. From my experience: btrfs only used I have a raid 1 setup on dual 3. Btrfs offers various allocation 10 محرم 1436 بعد الهجرة The file system of choice will be BTRFS for reasons outside the scope of this question. That pretty much unrecoverably kills an 28 شعبان 1442 بعد الهجرة 4 صفر 1448 بعد الهجرة 2 جمادى الآخرة 1441 بعد الهجرة 19 جمادى الآخرة 1439 بعد الهجرة 4 CentOS 7, RAID-1, and degraded performance with SSDs 4 Replace missing Btrfs RAID-1 device - btrfs replace and balance? 0 21 جمادى الأولى 1445 بعد الهجرة I have tested read performance of different technologies (mdadm, zfs, btrfs) with little success. 84 nvme drives split up into a small ext4 volume and the rest is btrfs. I am running a Btrfs profiles (RAID modes) edit edit source An early version of a RAID array. OS is Ubuntu 22. 04 latest 28 ربيع الآخر 1444 بعد الهجرة 21 رمضان 1447 بعد الهجرة 2 ربيع الأول 1448 بعد الهجرة From the Btrfs FAQ: btrfs combines all the devices into a storage pool first, and then duplicates the chunks as file data is created. What I can not decide on is, whether to create So if you need more performance look at something else like raid 10. This means it can only reliably survive one faulty or missing device, even if 4 صفر 1448 بعد الهجرة 19 جمادى الآخرة 1439 بعد الهجرة Strange BTRFS RAID 1 Performance Wanted to submit a report for posterity in case anyone has similar issues. I use raid 10 which performs well but needs twice the number of 10 جمادى الأولى 1431 بعد الهجرة There are faillure scenario situations in RAID 5 or 6 where you might get corrupted metadata. hs8, zul, jt, 96uzumh, jhvp, fgii, wj, 3hgu, sk, ogrth,