On Tue, Nov 10, 2020, 8:47 AM Matti Pulkkinen <mkj...@utu.fi> wrote: > Samuel Sieb kirjoitti 7.11.2020 klo 0.11: > > In the custom partitioning, if you try to create a btrfs file system and > > have multiple disk selected, it gives you some raid options. I believe > > "single" creates one filesystem across both drives. > I was able to find an explanation that "single" more or less means data > is written to whichever device has the most free space left, and only to > that device. >
Yeah, it allocates block groups to the device with most free space. It is possible to convert between profiles. And each block group type can have its own profile. Single is the mkfs and Anaconda default. > > The current recommendation is to not use any RAID options with btrfs > right now. Use > > mdraid underneath instead. > > > Could you elaborate on why this is? Is there a way to select which type > of RAID to use in Anaconda? > Device type menu shows: btrfs, lvm, raid and standard. And raid means mdadm raid Custom partitioning keeps these devices types separate. But Advanced-Custom lets you do most anything, It's a set of tradeoffs. In my case, I don't need unattended/automatic degraded boot. But i do want full integrity checking and self healing. > The docs seem a little broken. The internal links don't work and I > > think some point to sections that don't exist. > > I noticed that too, but I thought it was just something wrong with my > browser. Is it broken for 32 and 31? Our just 33? -- Chris Murphy
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