2016-06-27 04:48:02 +02:00
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/*
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* Minio Cloud Storage, (C) 2016 Minio, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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2016-08-19 01:23:42 +02:00
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package cmd
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2016-06-27 04:48:02 +02:00
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2016-06-29 12:13:44 +02:00
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import (
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"os"
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"path/filepath"
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2016-10-17 23:31:33 +02:00
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"reflect"
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2016-06-29 12:13:44 +02:00
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"testing"
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2016-10-17 23:31:33 +02:00
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"github.com/minio/minio/pkg/disk"
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2016-06-29 12:13:44 +02:00
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)
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2016-06-27 04:48:02 +02:00
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// TestStorageInfo - tests storage info.
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func TestStorageInfo(t *testing.T) {
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2016-08-31 04:22:27 +02:00
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objLayer, fsDirs, err := prepareXL()
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2016-06-27 04:48:02 +02:00
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if err != nil {
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t.Fatalf("Unable to initialize 'XL' object layer.")
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}
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// Remove all dirs.
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for _, dir := range fsDirs {
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defer removeAll(dir)
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}
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// Get storage info first attempt.
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disks16Info := objLayer.StorageInfo()
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// This test assumes homogenity between all disks,
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// i.e if we loose one disk the effective storage
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// usage values is assumed to decrease. If we have
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// heterogenous environment this is not true all the time.
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if disks16Info.Free <= 0 {
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t.Fatalf("Diskinfo total free values should be greater 0")
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}
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if disks16Info.Total <= 0 {
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t.Fatalf("Diskinfo total values should be greater 0")
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}
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2016-09-15 08:53:42 +02:00
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2016-10-27 12:30:52 +02:00
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endpoints, err := parseStorageEndpoints(fsDirs)
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2016-10-18 21:49:24 +02:00
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if err != nil {
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t.Fatalf("Unexpected error %s", err)
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}
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2016-10-27 12:30:52 +02:00
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ignoredEndpoints, err := parseStorageEndpoints(fsDirs[:4])
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2016-10-18 21:49:24 +02:00
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if err != nil {
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t.Fatalf("Unexpected error %s", err)
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}
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storageDisks, err := initStorageDisks(endpoints, ignoredEndpoints)
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2016-10-05 21:48:07 +02:00
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if err != nil {
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t.Fatal("Unexpected error: ", err)
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}
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objLayer, err = newXLObjects(storageDisks)
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2016-09-15 08:53:42 +02:00
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if err != nil {
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2016-10-27 12:30:52 +02:00
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t.Fatalf("Unable to initialize 'XL' object layer with ignored disks %s. error %s", fsDirs[:4], err)
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2016-09-15 08:53:42 +02:00
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}
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// Get storage info first attempt.
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disks16Info = objLayer.StorageInfo()
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// This test assumes homogenity between all disks,
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// i.e if we loose one disk the effective storage
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// usage values is assumed to decrease. If we have
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// heterogenous environment this is not true all the time.
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if disks16Info.Free <= 0 {
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t.Fatalf("Diskinfo total free values should be greater 0")
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}
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if disks16Info.Total <= 0 {
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t.Fatalf("Diskinfo total values should be greater 0")
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}
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2016-06-27 04:48:02 +02:00
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}
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2016-06-29 12:13:44 +02:00
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2016-10-17 23:31:33 +02:00
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// Sort valid disks info.
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func TestSortingValidDisks(t *testing.T) {
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testCases := []struct {
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disksInfo []disk.Info
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validDisksInfo []disk.Info
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}{
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// One of the disks is offline.
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{
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disksInfo: []disk.Info{
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{Total: 150, Free: 10},
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{Total: 0, Free: 0},
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{Total: 200, Free: 10},
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{Total: 100, Free: 10},
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},
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validDisksInfo: []disk.Info{
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{Total: 100, Free: 10},
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{Total: 150, Free: 10},
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{Total: 200, Free: 10},
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},
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},
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// All disks are online.
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{
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disksInfo: []disk.Info{
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{Total: 150, Free: 10},
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{Total: 200, Free: 10},
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{Total: 100, Free: 10},
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{Total: 115, Free: 10},
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},
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validDisksInfo: []disk.Info{
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{Total: 100, Free: 10},
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{Total: 115, Free: 10},
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{Total: 150, Free: 10},
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{Total: 200, Free: 10},
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},
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},
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}
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for i, testCase := range testCases {
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validDisksInfo := sortValidDisksInfo(testCase.disksInfo)
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if !reflect.DeepEqual(validDisksInfo, testCase.validDisksInfo) {
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t.Errorf("Test %d: Expected %#v, Got %#v", i+1, testCase.validDisksInfo, validDisksInfo)
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}
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}
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}
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2016-06-29 12:13:44 +02:00
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// TestNewXL - tests initialization of all input disks
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// and constructs a valid `XL` object
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func TestNewXL(t *testing.T) {
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var nDisks = 16 // Maximum disks.
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var erasureDisks []string
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for i := 0; i < nDisks; i++ {
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// Do not attempt to create this path, the test validates
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// so that newFSObjects initializes non existing paths
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// and successfully returns initialized object layer.
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disk := filepath.Join(os.TempDir(), "minio-"+nextSuffix())
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erasureDisks = append(erasureDisks, disk)
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defer removeAll(disk)
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}
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2016-08-26 09:11:53 +02:00
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// No disks input.
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2016-10-05 21:48:07 +02:00
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_, err := newXLObjects(nil)
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2016-08-26 09:11:53 +02:00
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if err != errInvalidArgument {
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t.Fatalf("Unable to initialize erasure, %s", err)
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}
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2016-10-27 12:30:52 +02:00
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endpoints, err := parseStorageEndpoints(erasureDisks)
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2016-10-18 21:49:24 +02:00
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if err != nil {
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t.Fatalf("Unable to initialize erasure, %s", err)
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}
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storageDisks, err := initStorageDisks(endpoints, nil)
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2016-10-05 21:48:07 +02:00
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if err != nil {
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t.Fatal("Unexpected error: ", err)
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}
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2016-10-27 12:30:52 +02:00
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err = waitForFormatDisks(true, endpoints[0], nil)
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if err != errInvalidArgument {
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t.Fatalf("Expecting error, got %s", err)
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}
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err = waitForFormatDisks(true, nil, storageDisks)
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2016-10-05 21:48:07 +02:00
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if err != errInvalidArgument {
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t.Fatalf("Expecting error, got %s", err)
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}
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2016-06-29 12:13:44 +02:00
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// Initializes all erasure disks
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2016-10-27 12:30:52 +02:00
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err = waitForFormatDisks(true, endpoints[0], storageDisks)
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2016-08-31 04:22:27 +02:00
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if err != nil {
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t.Fatalf("Unable to format disks for erasure, %s", err)
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}
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2016-10-05 21:48:07 +02:00
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_, err = newXLObjects(storageDisks)
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2016-08-26 09:11:53 +02:00
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if err != nil {
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t.Fatalf("Unable to initialize erasure, %s", err)
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}
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2016-10-27 12:30:52 +02:00
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endpoints, err = parseStorageEndpoints(erasureDisks)
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2016-10-18 21:49:24 +02:00
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if err != nil {
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t.Fatalf("Unable to initialize erasure, %s", err)
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}
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2016-10-27 12:30:52 +02:00
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ignoredEndpoints, err := parseStorageEndpoints(erasureDisks[:2])
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2016-10-18 21:49:24 +02:00
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if err != nil {
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t.Fatalf("Unable to initialize erasure, %s", err)
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}
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storageDisks, err = initStorageDisks(endpoints, ignoredEndpoints)
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2016-10-05 21:48:07 +02:00
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if err != nil {
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t.Fatal("Unexpected error: ", err)
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}
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2016-08-26 09:11:53 +02:00
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// Initializes all erasure disks, ignoring first two.
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2016-10-05 21:48:07 +02:00
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_, err = newXLObjects(storageDisks)
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2016-06-29 12:13:44 +02:00
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if err != nil {
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t.Fatalf("Unable to initialize erasure, %s", err)
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}
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}
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