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After a power outage I had a BTRFS: open_ctree failed. Nothing helped I had to reformat + restore from my backup :-)
Now I'm thinking about two options, which is better:
a) two partition, each with one BTRFS
My guess: If one of the FS is in status synced/flushed, the chances are high, that at least one is ok after a power outage.
b) two BTRFS subvolumes on one partition
My question: does a major failure on one subvolume during a power outage can affect the other BTRFS subvolume?
Thanks very much!
Last edited by ua4000 (2018-03-05 19:58:41)
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did you try btrfsck --init-extent-tree?
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Thanks for your answer, ugjka, yes I tried this too.
The incident is already solved - I did a restore from a backup.
The current topic is therefore more a overhaul question, what system setup is robuster.
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