mirror of
https://github.com/minio/minio.git
synced 2024-12-25 14:45:54 -05:00
bccf549463
This change brings a change which was done for the 'mc' package to allow for clean repo and have a cleaner github drop in experience.
446 lines
12 KiB
Go
446 lines
12 KiB
Go
/*
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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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package cmd
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import (
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"bytes"
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"testing"
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)
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// generates a valid format.json for XL backend.
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func genFormatXLValid() []*formatConfigV1 {
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jbod := make([]string, 8)
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formatConfigs := make([]*formatConfigV1, 8)
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for index := range jbod {
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jbod[index] = getUUID()
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}
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for index := range jbod {
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formatConfigs[index] = &formatConfigV1{
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Version: "1",
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Format: "xl",
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XL: &xlFormat{
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Version: "1",
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Disk: jbod[index],
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JBOD: jbod,
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},
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}
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}
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return formatConfigs
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}
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// generates a invalid format.json version for XL backend.
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func genFormatXLInvalidVersion() []*formatConfigV1 {
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jbod := make([]string, 8)
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formatConfigs := make([]*formatConfigV1, 8)
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for index := range jbod {
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jbod[index] = getUUID()
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}
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for index := range jbod {
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formatConfigs[index] = &formatConfigV1{
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Version: "1",
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Format: "xl",
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XL: &xlFormat{
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Version: "1",
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Disk: jbod[index],
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JBOD: jbod,
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},
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}
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}
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// Corrupt version numbers.
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formatConfigs[0].Version = "2"
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formatConfigs[3].Version = "-1"
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return formatConfigs
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}
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// generates a invalid format.json JBOD for XL backend.
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func genFormatXLInvalidJBOD() []*formatConfigV1 {
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jbod := make([]string, 8)
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formatConfigs := make([]*formatConfigV1, 8)
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for index := range jbod {
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jbod[index] = getUUID()
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}
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for index := range jbod {
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formatConfigs[index] = &formatConfigV1{
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Version: "1",
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Format: "xl",
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XL: &xlFormat{
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Version: "1",
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Disk: jbod[index],
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JBOD: jbod,
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},
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}
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}
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for index := range jbod {
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jbod[index] = getUUID()
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}
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// Corrupt JBOD entries on disk 6 and disk 8.
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formatConfigs[5].XL.JBOD = jbod
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formatConfigs[7].XL.JBOD = jbod
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return formatConfigs
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}
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// generates a invalid format.json Disk UUID for XL backend.
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func genFormatXLInvalidDisks() []*formatConfigV1 {
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jbod := make([]string, 8)
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formatConfigs := make([]*formatConfigV1, 8)
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for index := range jbod {
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jbod[index] = getUUID()
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}
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for index := range jbod {
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formatConfigs[index] = &formatConfigV1{
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Version: "1",
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Format: "xl",
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XL: &xlFormat{
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Version: "1",
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Disk: jbod[index],
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JBOD: jbod,
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},
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}
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}
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// Make disk 5 and disk 8 have inconsistent disk uuid's.
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formatConfigs[4].XL.Disk = getUUID()
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formatConfigs[7].XL.Disk = getUUID()
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return formatConfigs
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}
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// generates a invalid format.json Disk UUID in wrong order for XL backend.
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func genFormatXLInvalidDisksOrder() []*formatConfigV1 {
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jbod := make([]string, 8)
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formatConfigs := make([]*formatConfigV1, 8)
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for index := range jbod {
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jbod[index] = getUUID()
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}
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for index := range jbod {
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formatConfigs[index] = &formatConfigV1{
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Version: "1",
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Format: "xl",
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XL: &xlFormat{
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Version: "1",
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Disk: jbod[index],
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JBOD: jbod,
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},
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}
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}
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// Re order jbod for failure case.
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var jbod1 = make([]string, 8)
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for i, j := range jbod {
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jbod1[i] = j
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}
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jbod1[1], jbod1[2] = jbod[2], jbod[1]
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formatConfigs[2].XL.JBOD = jbod1
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return formatConfigs
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}
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func TestFormatXLHealFreshDisks(t *testing.T) {
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// Create an instance of xl backend.
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obj, fsDirs, err := getXLObjectLayer()
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if err != nil {
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t.Fatal(err)
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}
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xl := obj.(xlObjects)
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err = obj.MakeBucket("bucket")
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if err != nil {
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t.Fatal(err)
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}
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bucket := "bucket"
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object := "object"
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_, err = obj.PutObject(bucket, object, int64(len("abcd")), bytes.NewReader([]byte("abcd")), nil)
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if err != nil {
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t.Fatal(err)
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}
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/* // Now, remove two format files.. Load them and reorder
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if err = xl.storageDisks[3].DeleteFile(".minio.sys", "format.json"); err != nil {
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t.Fatal(err)
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}
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if err = xl.storageDisks[11].DeleteFile(".minio.sys", "format.json"); err != nil {
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t.Fatal(err)
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} */
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// Remove the content of export dir 10 but preserve .minio.sys because it is automatically
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// created when minio starts
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for i := 3; i <= 5; i++ {
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if err = xl.storageDisks[i].DeleteFile(".minio.sys", "format.json"); err != nil {
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t.Fatal(err)
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}
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if err = xl.storageDisks[i].DeleteFile(".minio.sys", "tmp"); err != nil {
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t.Fatal(err)
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}
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if err = xl.storageDisks[i].DeleteFile(bucket, object+"/xl.json"); err != nil {
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t.Fatal(err)
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}
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if err = xl.storageDisks[i].DeleteFile(bucket, object+"/part.1"); err != nil {
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t.Fatal(err)
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}
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if err = xl.storageDisks[i].DeleteVol(bucket); err != nil {
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t.Fatal(err)
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}
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}
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permutedStorageDisks := []StorageAPI{xl.storageDisks[1], xl.storageDisks[4],
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xl.storageDisks[2], xl.storageDisks[8], xl.storageDisks[6], xl.storageDisks[7],
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xl.storageDisks[0], xl.storageDisks[15], xl.storageDisks[13], xl.storageDisks[14],
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xl.storageDisks[3], xl.storageDisks[10], xl.storageDisks[12], xl.storageDisks[9],
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xl.storageDisks[5], xl.storageDisks[11]}
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// Start healing disks
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err = healFormatXLFreshDisks(permutedStorageDisks)
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if err != nil {
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t.Fatal("healing corrupted disk failed: ", err)
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}
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// Load again XL format.json to validate it
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_, err = loadFormatXL(permutedStorageDisks)
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if err != nil {
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t.Fatal("loading healed disk failed: ", err)
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}
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// Clean all
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removeRoots(fsDirs)
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}
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// Simulate XL disks creation, delete some format.json and remove the content of
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// a given disk to test healing a corrupted disk
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func TestFormatXLHealCorruptedDisks(t *testing.T) {
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// Create an instance of xl backend.
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obj, fsDirs, err := getXLObjectLayer()
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if err != nil {
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t.Fatal(err)
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}
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xl := obj.(xlObjects)
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err = obj.MakeBucket("bucket")
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if err != nil {
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t.Fatal(err)
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}
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bucket := "bucket"
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object := "object"
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_, err = obj.PutObject(bucket, object, int64(len("abcd")), bytes.NewReader([]byte("abcd")), nil)
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if err != nil {
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t.Fatal(err)
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}
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// Now, remove two format files.. Load them and reorder
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if err = xl.storageDisks[3].DeleteFile(".minio.sys", "format.json"); err != nil {
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t.Fatal(err)
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}
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if err = xl.storageDisks[11].DeleteFile(".minio.sys", "format.json"); err != nil {
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t.Fatal(err)
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}
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// Remove the content of export dir 10 but preserve .minio.sys because it is automatically
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// created when minio starts
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if err = xl.storageDisks[10].DeleteFile(".minio.sys", "format.json"); err != nil {
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t.Fatal(err)
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}
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if err = xl.storageDisks[10].DeleteFile(".minio.sys", "tmp"); err != nil {
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t.Fatal(err)
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}
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if err = xl.storageDisks[10].DeleteFile(bucket, object+"/xl.json"); err != nil {
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t.Fatal(err)
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}
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if err = xl.storageDisks[10].DeleteFile(bucket, object+"/part.1"); err != nil {
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t.Fatal(err)
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}
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if err = xl.storageDisks[10].DeleteVol(bucket); err != nil {
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t.Fatal(err)
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}
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permutedStorageDisks := []StorageAPI{xl.storageDisks[1], xl.storageDisks[4],
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xl.storageDisks[2], xl.storageDisks[8], xl.storageDisks[6], xl.storageDisks[7],
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xl.storageDisks[0], xl.storageDisks[15], xl.storageDisks[13], xl.storageDisks[14],
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xl.storageDisks[3], xl.storageDisks[10], xl.storageDisks[12], xl.storageDisks[9],
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xl.storageDisks[5], xl.storageDisks[11]}
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// Start healing disks
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err = healFormatXLCorruptedDisks(permutedStorageDisks)
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if err != nil {
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t.Fatal("healing corrupted disk failed: ", err)
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}
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// Load again XL format.json to validate it
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_, err = loadFormatXL(permutedStorageDisks)
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if err != nil {
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t.Fatal("loading healed disk failed: ", err)
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}
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// Clean all
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removeRoots(fsDirs)
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}
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// Test on ReorderByInspection by simulating creating disks and removing
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// some of format.json
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func TestFormatXLReorderByInspection(t *testing.T) {
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// Create an instance of xl backend.
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obj, fsDirs, err := getXLObjectLayer()
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if err != nil {
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t.Fatal(err)
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}
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xl := obj.(xlObjects)
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err = obj.MakeBucket("bucket")
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if err != nil {
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t.Fatal(err)
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}
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bucket := "bucket"
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object := "object"
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_, err = obj.PutObject(bucket, object, int64(len("abcd")), bytes.NewReader([]byte("abcd")), nil)
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if err != nil {
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t.Fatal(err)
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}
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// Now, remove two format files.. Load them and reorder
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if err = xl.storageDisks[3].DeleteFile(".minio.sys", "format.json"); err != nil {
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t.Fatal(err)
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}
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if err = xl.storageDisks[5].DeleteFile(".minio.sys", "format.json"); err != nil {
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t.Fatal(err)
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}
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permutedStorageDisks := []StorageAPI{xl.storageDisks[1], xl.storageDisks[4],
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xl.storageDisks[2], xl.storageDisks[8], xl.storageDisks[6], xl.storageDisks[7],
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xl.storageDisks[0], xl.storageDisks[15], xl.storageDisks[13], xl.storageDisks[14],
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xl.storageDisks[3], xl.storageDisks[10], xl.storageDisks[12], xl.storageDisks[9],
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xl.storageDisks[5], xl.storageDisks[11]}
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permutedFormatConfigs, _ := loadAllFormats(permutedStorageDisks)
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orderedDisks, err := reorderDisks(permutedStorageDisks, permutedFormatConfigs)
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if err != nil {
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t.Fatal("error reordering disks\n")
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}
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orderedDisks, err = reorderDisksByInspection(orderedDisks, permutedStorageDisks, permutedFormatConfigs)
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if err != nil {
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t.Fatal("failed to reorder disk by inspection")
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}
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// Check disks reordering
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for i := 0; i <= 15; i++ {
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if orderedDisks[i] == nil && i != 3 && i != 5 {
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t.Fatal("should not be nil")
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}
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if orderedDisks[i] != nil && orderedDisks[i] != xl.storageDisks[i] {
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t.Fatal("Disks were not ordered correctly.")
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}
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}
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removeRoots(fsDirs)
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}
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// Wrapper for calling FormatXL tests - currently validates
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// - valid format
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// - unrecognized version number
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// - invalid JBOD
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// - invalid Disk uuid
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func TestFormatXL(t *testing.T) {
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formatInputCases := [][]*formatConfigV1{
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genFormatXLValid(),
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genFormatXLInvalidVersion(),
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genFormatXLInvalidJBOD(),
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genFormatXLInvalidDisks(),
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genFormatXLInvalidDisksOrder(),
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}
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testCases := []struct {
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formatConfigs []*formatConfigV1
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shouldPass bool
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}{
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{
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formatConfigs: formatInputCases[0],
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shouldPass: true,
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},
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{
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formatConfigs: formatInputCases[1],
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shouldPass: false,
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},
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{
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formatConfigs: formatInputCases[2],
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shouldPass: false,
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},
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{
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formatConfigs: formatInputCases[3],
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shouldPass: false,
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},
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{
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formatConfigs: formatInputCases[4],
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shouldPass: false,
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},
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}
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for i, testCase := range testCases {
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err := checkFormatXL(testCase.formatConfigs)
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if err != nil && testCase.shouldPass {
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t.Errorf("Test %d: Expected to pass but failed with %s", i+1, err)
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}
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if err == nil && !testCase.shouldPass {
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t.Errorf("Test %d: Expected to fail but passed instead", i+1)
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}
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}
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}
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// Tests uuid order verification function.
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func TestSavedUUIDOrder(t *testing.T) {
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uuidTestCases := make([]struct {
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uuid string
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shouldPass bool
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}, 8)
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jbod := make([]string, 8)
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formatConfigs := make([]*formatConfigV1, 8)
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for index := range jbod {
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jbod[index] = getUUID()
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uuidTestCases[index].uuid = jbod[index]
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uuidTestCases[index].shouldPass = true
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}
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for index := range jbod {
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formatConfigs[index] = &formatConfigV1{
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Version: "1",
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Format: "xl",
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XL: &xlFormat{
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Version: "1",
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Disk: jbod[index],
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JBOD: jbod,
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},
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}
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}
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// Re order jbod for failure case.
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var jbod1 = make([]string, 8)
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for i, j := range jbod {
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jbod1[i] = j
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}
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jbod1[1], jbod1[2] = jbod[2], jbod[1]
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formatConfigs[2].XL.JBOD = jbod1
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uuidTestCases[1].shouldPass = false
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uuidTestCases[2].shouldPass = false
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for i, testCase := range uuidTestCases {
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// Is uuid present on all JBOD ?.
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if testCase.shouldPass != isSavedUUIDInOrder(testCase.uuid, formatConfigs) {
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t.Errorf("Test %d: Expected to pass but failed", i+1)
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}
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}
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}
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