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Update madmin package to return storage class parity (#5387)

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After the addition of Storage Class support, readQuorum
and writeQuorum are decided on a per object basis, instead
of deployment wide static quorums.

This PR updates madmin api to remove readQuorum/writeQuorum
and add Standard storage class and reduced redundancy storage
class parity as return values. Since these parity values are
used to decide the quorum for each object.

Fixes #5378
This commit is contained in:
Nitish Tiwari
2018-01-12 07:52:52 +05:30
committed by GitHub
parent cd22feecf8
commit 42633748db
7 changed files with 27 additions and 27 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
cmd/object-api-datatypes.go
View File

@@ -45,8 +45,8 @@ type StorageInfo struct {
// Following fields are only meaningful if BackendType is Erasure.
OnlineDisks int // Online disks during server startup.
OfflineDisks int // Offline disks during server startup.
standardSCParity int // Parity disks for currently configured Standard storage class.
rrSCParity int // Parity disks for currently configured Reduced Redundancy storage class.
StandardSCParity int // Parity disks for currently configured Standard storage class.
RRSCParity int // Parity disks for currently configured Reduced Redundancy storage class.
}
}

4
cmd/server-startup-msg.go
View File

@@ -197,7 +197,7 @@ func printStorageClassInfoMsg(storageInfo StorageInfo) {
func getStandardStorageClassInfoMsg(storageInfo StorageInfo) string {
var msg string
if maxDiskFailures := storageInfo.Backend.standardSCParity - storageInfo.Backend.OfflineDisks; maxDiskFailures >= 0 {
if maxDiskFailures := storageInfo.Backend.StandardSCParity - storageInfo.Backend.OfflineDisks; maxDiskFailures >= 0 {
msg += fmt.Sprintf("Objects with "+standardStorageClass+" class can withstand [%d] drive failure(s).\n", maxDiskFailures)
}
return msg
@@ -205,7 +205,7 @@ func getStandardStorageClassInfoMsg(storageInfo StorageInfo) string {
func getRRSStorageClassInfoMsg(storageInfo StorageInfo) string {
var msg string
if maxDiskFailures := storageInfo.Backend.rrSCParity - storageInfo.Backend.OfflineDisks; maxDiskFailures >= 0 {
if maxDiskFailures := storageInfo.Backend.RRSCParity - storageInfo.Backend.OfflineDisks; maxDiskFailures >= 0 {
msg += fmt.Sprintf("Objects with "+reducedRedundancyStorageClass+" class can withstand [%d] drive failure(s).\n", maxDiskFailures)
}
return msg

28
cmd/server-startup-msg_test.go
View File

@@ -38,8 +38,8 @@ func TestStorageInfoMsg(t *testing.T) {
Type BackendType
OnlineDisks int
OfflineDisks int
standardSCParity int
rrSCParity int
StandardSCParity int
RRSCParity int
}{Erasure, 7, 1, 4, 5},
}
@@ -169,8 +169,8 @@ func TestGetStandardStorageClassInfoMsg(t *testing.T) {
Type BackendType
OnlineDisks int
OfflineDisks int
standardSCParity int
rrSCParity int
StandardSCParity int
RRSCParity int
}{Erasure, 15, 1, 5, 3},
}, "Objects with " + standardStorageClass + " class can withstand [4] drive failure(s).\n"},
{"2", StorageInfo{
@@ -180,8 +180,8 @@ func TestGetStandardStorageClassInfoMsg(t *testing.T) {
Type BackendType
OnlineDisks int
OfflineDisks int
standardSCParity int
rrSCParity int
StandardSCParity int
RRSCParity int
}{Erasure, 10, 0, 5, 3},
}, "Objects with " + standardStorageClass + " class can withstand [5] drive failure(s).\n"},
{"3", StorageInfo{
@@ -191,8 +191,8 @@ func TestGetStandardStorageClassInfoMsg(t *testing.T) {
Type BackendType
OnlineDisks int
OfflineDisks int
standardSCParity int
rrSCParity int
StandardSCParity int
RRSCParity int
}{Erasure, 12, 3, 6, 2},
}, "Objects with " + standardStorageClass + " class can withstand [3] drive failure(s).\n"},
}
@@ -216,8 +216,8 @@ func TestGetRRSStorageClassInfoMsg(t *testing.T) {
Type BackendType
OnlineDisks int
OfflineDisks int
standardSCParity int
rrSCParity int
StandardSCParity int
RRSCParity int
}{Erasure, 15, 1, 5, 3},
}, "Objects with " + reducedRedundancyStorageClass + " class can withstand [2] drive failure(s).\n"},
{"2", StorageInfo{
@@ -227,8 +227,8 @@ func TestGetRRSStorageClassInfoMsg(t *testing.T) {
Type BackendType
OnlineDisks int
OfflineDisks int
standardSCParity int
rrSCParity int
StandardSCParity int
RRSCParity int
}{Erasure, 16, 0, 5, 3},
}, "Objects with " + reducedRedundancyStorageClass + " class can withstand [3] drive failure(s).\n"},
{"3", StorageInfo{
@@ -238,8 +238,8 @@ func TestGetRRSStorageClassInfoMsg(t *testing.T) {
Type BackendType
OnlineDisks int
OfflineDisks int
standardSCParity int
rrSCParity int
StandardSCParity int
RRSCParity int
}{Erasure, 12, 3, 6, 5},
}, "Objects with " + reducedRedundancyStorageClass + " class can withstand [2] drive failure(s).\n"},
}

4
cmd/xl-v1.go
View File

@@ -247,10 +247,10 @@ func getStorageInfo(disks []StorageAPI) StorageInfo {
storageInfo.Backend.OfflineDisks = offlineDisks
_, scParity := getRedundancyCount(standardStorageClass, len(disks))
storageInfo.Backend.standardSCParity = scParity
storageInfo.Backend.StandardSCParity = scParity
_, rrSCparity := getRedundancyCount(reducedRedundancyStorageClass, len(disks))
storageInfo.Backend.rrSCParity = rrSCparity
storageInfo.Backend.RRSCParity = rrSCparity
return storageInfo
}