gistfile1.txt

{
 "metadata": {
  "name": "fraus"
 },
 "nbformat": 3,
 "nbformat_minor": 0,
 "worksheets": [
  {
   "cells": [
    {
     "cell_type": "code",
     "collapsed": false,
     "input": "def tb_to_gib(size):\n    size_bytes = float(size)*1000**4\n    size_GiB = int(size_bytes/1024**3)\n    return size_GiB\n\ndef pool_size(pools):\n    rawpoolsize = float(0)\n    for disks in pools:\n        rawpoolsize = rawpoolsize + (disks[\"numdisks\"] * disks[\"size\"])\n    return tb_to_gib(rawpoolsize)\n\ndef whatfits(pool_size, volumes):\n    remaining = pool_size\n    for vol, size in volumes.iteritems():\n        size = size*1024\n        remaining = remaining - size\n        if remaining > 0:\n            print vol, size,\"GiB fits with\", remaining\n        else:\n            print vol, size, \"doesn't fit\", abs(remaining), \"GiB over\"\n        ",
     "language": "python",
     "metadata": {},
     "outputs": [],
     "prompt_number": 3
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": "volumes = {\"store\": 2.4, \"homes\": 340.0/1024,\"shared\": 8.90 }",
     "language": "python",
     "metadata": {},
     "outputs": [],
     "prompt_number": 4
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": "pool = [{\"numdisks\": 4, \"size\": 2}]\nreplication_factor = 2\nrawpoolsize = pool_size(pool)\n   \nprint \"total size =\", rawpoolsize\navailable = rawpoolsize/replication_factor\nprint 'available space', available, \"GiB\"\n\nwhatfits(available, volumes)",
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": "total size = 7450\navailable space 3725 GiB\nhomes 340.0 GiB fits with 3385.0\nstore 2457.6 GiB fits with 927.4\nshared 9113.6 doesn't fit 8186.2 GiB over\n"
      }
     ],
     "prompt_number": 5
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": "pool = [{\"numdisks\": 8, \"size\": 2},{\"numdisks\": 4, \"size\":1.5},{\"numdisks\": 4,\"size\": .750}]\nreplication_factor = 2\nrawpoolsize = pool_size(pool)\n   \nprint \"total size =\", rawpoolsize\navailable = rawpoolsize/replication_factor\nprint 'available space', available, \"GiB\"\n\nwhatfits(available, volumes)",
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": "total size = 23283\navailable space 11641 GiB\nhomes 340.0 GiB fits with 11301.0\nstore 2457.6 GiB fits with 8843.4\nshared 9113.6 doesn't fit 270.2 GiB over\n"
      }
     ],
     "prompt_number": 6
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": "pool = [{\"numdisks\": 15, \"size\": 2}]\nreplication_factor = 2\nrawpoolsize = pool_size(pool)\n   \nprint \"total size =\", rawpoolsize\navailable = rawpoolsize/replication_factor\nprint 'available space', available, \"GiB\"\n\nwhatfits(available, volumes)",
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": "total size = 27939\navailable space 13969 GiB\nhomes 340.0 GiB fits with 13629.0\nstore 2457.6 GiB fits with 11171.4\nshared 9113.6 GiB fits with 2057.8\n"
      }
     ],
     "prompt_number": 7
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": "",
     "language": "python",
     "metadata": {},
     "outputs": [],
     "prompt_number": 7
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": "",
     "language": "python",
     "metadata": {},
     "outputs": [],
     "prompt_number": 7
    }
   ],
   "metadata": {}
  }
 ]
}