2 description "Master role applied to katla"
10 :comment => "RAID array mounted on /store/arrays/slow",
13 :serial => "3600605b005a0609019290f178be8de77",
15 "queue/scheduler" => "deadline",
16 "queue/nr_requests" => "975",
17 "queue/rq_affinity" => "2"
21 :comment => "RAID array mounted on /store/arrays/fast",
24 :serial => "3600605b005a0726019d062ae23b426fd",
26 "queue/scheduler" => "deadline",
27 "queue/nr_requests" => "975",
28 "queue/rq_affinity" => "2"
32 :comment => "First disk of RAID array mounted on /store/arrays/ssd",
35 :serial => "INTEL_SSDSC2BA400G3_BTTV3141041E400HGN",
37 "queue/scheduler" => "noop"
41 :comment => "Second disk of RAID array mounted on /store/arrays/ssd",
44 :serial => "INTEL_SSDSC2BA400G3_BTTV3141044Q400HGN",
46 "queue/scheduler" => "noop"
53 :interface => "bond0",
56 :address => "10.0.32.40",
58 :slaves => %w(eth0 eth1)
66 :shared_buffers => "64GB",
68 :maintenance_work_mem => "1GB",
69 :effective_cache_size => "180GB"
75 :comment => "Disable IPv6 auto-configuration on internal interface",
77 "net.ipv6.conf.bond0.autoconf" => "0",
78 "net.ipv6.conf.bond0.accept_ra" => "0"
82 :comment => "Increase shared memory for postgres",
84 "kernel.shmmax" => 66 * 1024 * 1024 * 1024,
85 "kernel.shmall" => 66 * 1024 * 1024 * 1024 / 4096