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Add naughty disk to simulate disk errors (#2645)

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This commit is contained in:
Anis Elleuch
2016-09-09 20:53:09 +01:00
committed by Harshavardhana
parent 400e9309f1
commit 421cccb1d7
4 changed files with 350 additions and 150 deletions
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31
cmd/xl-v1-object_test.go
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@@ -59,7 +59,6 @@ func TestRepeatPutObjectPart(t *testing.T) {
if err != nil {
t.Fatal(err)
}
}
func TestXLDeleteObjectBasic(t *testing.T) {
@@ -130,7 +129,7 @@ func TestXLDeleteObjectDiskNotFound(t *testing.T) {
// for a 16 disk setup, quorum is 9. To simulate disks not found yet
// quorum is available, we remove disks leaving quorum disks behind.
for i := range xl.storageDisks[:7] {
xl.storageDisks[i] = newFaultyDisk(xl.storageDisks[i].(*posix), 0)
xl.storageDisks[i] = newNaughtyDisk(xl.storageDisks[i].(*posix), nil, errFaultyDisk)
}
err = obj.DeleteObject(bucket, object)
if err != nil {
@@ -144,8 +143,8 @@ func TestXLDeleteObjectDiskNotFound(t *testing.T) {
}
// Remove one more disk to 'lose' quorum, by setting it to nil.
xl.storageDisks[7] = &faultyDisk{}
xl.storageDisks[8] = &faultyDisk{}
xl.storageDisks[7] = nil
xl.storageDisks[8] = nil
err = obj.DeleteObject(bucket, object)
if err != toObjectErr(errXLWriteQuorum, bucket, object) {
t.Errorf("Expected deleteObject to fail with %v, but failed with %v", toObjectErr(errXLWriteQuorum, bucket, object), err)
@@ -180,15 +179,19 @@ func TestGetObjectNoQuorum(t *testing.T) {
xl.objCacheEnabled = false
// Make 9 disks offline, which leaves less than quorum number of disks
// in a 16 disk XL setup. The original disks are 'replaced' with
// faultyDisks that fail after 'f' successful StorageAPI method
// naughtyDisks that fail after 'f' successful StorageAPI method
// invocations, where f - [0,2)
for f := 0; f < 2; f++ {
diskErrors := make(map[int]error)
for i := 0; i <= f; i++ {
diskErrors[i] = nil
}
for i := range xl.storageDisks[:9] {
switch diskType := xl.storageDisks[i].(type) {
case *posix:
xl.storageDisks[i] = newFaultyDisk(diskType, f)
case *faultyDisk:
xl.storageDisks[i] = newFaultyDisk(diskType.disk, f)
xl.storageDisks[i] = newNaughtyDisk(diskType, diskErrors, errFaultyDisk)
case *naughtyDisk:
xl.storageDisks[i] = newNaughtyDisk(diskType.disk, diskErrors, errFaultyDisk)
}
}
// Fetch object from store.
@@ -226,15 +229,19 @@ func TestPutObjectNoQuorum(t *testing.T) {
// Make 9 disks offline, which leaves less than quorum number of disks
// in a 16 disk XL setup. The original disks are 'replaced' with
// faultyDisks that fail after 'f' successful StorageAPI method
// naughtyDisks that fail after 'f' successful StorageAPI method
// invocations, where f - [0,3)
for f := 0; f < 3; f++ {
diskErrors := make(map[int]error)
for i := 0; i <= f; i++ {
diskErrors[i] = nil
}
for i := range xl.storageDisks[:9] {
switch diskType := xl.storageDisks[i].(type) {
case *posix:
xl.storageDisks[i] = newFaultyDisk(diskType, f)
case *faultyDisk:
xl.storageDisks[i] = newFaultyDisk(diskType.disk, f)
xl.storageDisks[i] = newNaughtyDisk(diskType, diskErrors, errFaultyDisk)
case *naughtyDisk:
xl.storageDisks[i] = newNaughtyDisk(diskType.disk, diskErrors, errFaultyDisk)
}
}
// Upload new content to same object "object"