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NixOS System Operations

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About system administration for running NixOS systems in production. Declaratively manage your operations. | Room recommendations: #networking:nixos.org160 Servers

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2 Apr 2024
@elvishjerricco:matrix.orgElvishJerriccoyea good idea07:26:58
@K900:matrix.orgK900 broke the homeserverNope still clean07:26:58
@elvishjerricco:matrix.orgElvishJerriccoSeems like there's two options to me. 1) Trust it because you have other tools (nix) saying there's nothing wrong. 2) Nuke it because wow is it scary07:28:23
@K900:matrix.orgK900 broke the homeserverYeah I think I'm moving it to bcachefs07:29:01
@elvishjerricco:matrix.orgElvishJerriccoI'm excited for bcachefs to get more testing but I cannot recommend it if you find this incident concerning07:29:35
@elvishjerricco:matrix.orgElvishJerriccobcachefs is early enough that I would find an incident much like this very unsurprising07:29:50
@K900:matrix.orgK900 broke the homeserverI trust bcachefs to at least log things properly07:30:24
@raitobezarius:matrix.orgraitobezariusBcachefs log07:33:10
@raitobezarius:matrix.orgraitobezariusBut we rely on fsck for fuckup avoidance07:33:30
@K900:matrix.orgK900 broke the homeserverOK I have a problem07:33:36
@raitobezarius:matrix.orgraitobezariusThough new powerful repair code is landing07:33:49
@K900:matrix.orgK900 broke the homeserverHetzner doesn't have any images I can find that can actually run bcachefs07:33:49
@K900:matrix.orgK900 broke the homeserver
In reply to @raitobezarius:matrix.org
But we rely on fsck for fuckup avoidance
Thing is, I don't expect this to fuck up
07:34:08
@raitobezarius:matrix.orgraitobezariusWe can send you a backdoor 07:34:09
@K900:matrix.orgK900 broke the homeserverIF the hardware is actually bad07:34:14
@K900:matrix.orgK900 broke the homeserverWhich is possible but unlikely07:34:19
@K900:matrix.orgK900 broke the homeserverI'll just show the logs to the Hetzner people and they'll fix it07:34:31
@K900:matrix.orgK900 broke the homeserver But I don't expect anything really weird to happen 07:34:51
@elvishjerricco:matrix.orgElvishJerricco
In reply to @raitobezarius:matrix.org
But we rely on fsck for fuckup avoidance
can you remind me the purpose of fsck in bcachefs? ZFS claims to not need it because it does CoW transactions and should never need repair outside of hardware failure.
07:34:53
@raitobezarius:matrix.orgraitobezariusI need to run memory faulted bcachefs for fun07:34:53
@K900:matrix.orgK900 broke the homeserverOK for real though07:37:49
@K900:matrix.orgK900 broke the homeserverHow are you supposed to install this07:37:55
@K900:matrix.orgK900 broke the homeserverIf there's no image that can install it07:38:01
@hexa:lossy.networkhexais this cloud or dedi?07:38:16
@K900:matrix.orgK900 broke the homeserverCloud07:38:19
@hexa:lossy.networkhexaask for a custom image07:38:23
@hexa:lossy.networkhexaand link the new kernel one07:38:28
@K900:matrix.orgK900 broke the homeserverActually07:38:35
@K900:matrix.orgK900 broke the homeserverI have a better idea07:38:37
@K900:matrix.orgK900 broke the homeserverWhich is to say a much worse idea07:38:41

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