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marcan42's profile
Hector Martin
Hector Martin
Hector Martin
@marcan42

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Hector Martin

@marcan42

If it ain't broke, I'll fix it! I'm porting Linux to Apple Silicon Macs at @AsahiLinux. http://patreon.com/marcan  | http://github.com/sponsors/marcan 

Tokyo, Japan
marcan.st
Joined May 2009

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    1. Hector Martin‏ @marcan42 8 Jun 2018
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      Whee, almost lost ~20% of the data on this filesystem two days before I intended to finally upgrade my offsite backup host to be able to back it up completely. Murphy is one hell of an asshole.

      2 replies 1 retweet 15 likes
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    2. Hector Martin‏ @marcan42 8 Jun 2018
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      Narrowly avoid disaster with the "re-create RAID array with the same parameters, assume clean, fsck and cross fingers" approach. I had some corrupted parity from a transient glitch doing major damage to the FS.

      1 reply 0 retweets 6 likes
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    3. Hector Martin‏ @marcan42 8 Jun 2018
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      I'm getting tired of RAID and traditional filesystems. Stuff doesn't scale. The backup host is going to be moving to Ceph (single-host Ceph, but hey, why not) and if that works out I might migrate my home NAS to that too.

      9 replies 0 retweets 9 likes
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    4. Matt "Mr. Asmus" Rasmussen‏ @mrasmus 8 Jun 2018
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      Replying to @marcan42

      Ceph’s a bit of a nightmare when it comes to perf degradation/recovery, depending on how you set things up. My company’s moving off of it after years of trying to get it stable and resilient. Different scale, though, and usage pattern; I’ve seen people have v good luck w/ it. GL.

      1 reply 0 retweets 0 likes
    5. Matt "Mr. Asmus" Rasmussen‏ @mrasmus 8 Jun 2018
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      Replying to @mrasmus @marcan42

      You planning on monolithic RBD’s, CephFS for multi-client, or something else?

      1 reply 0 retweets 0 likes
      Hector Martin‏ @marcan42 8 Jun 2018
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      Replying to @mrasmus

      Both RBDs and CephFS depending on performance and workload. Need to do a few tests. I already run two production Ceph clusters with RBD and raw librados clients, but this will be a more heterogeneous home setup.

      2:42 AM - 8 Jun 2018
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