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feat: Single drive XL implementation (#14970)

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Main motivation is move towards a common backend format
for all different types of modes in MinIO, allowing for
a simpler code and predictable behavior across all features.

This PR also brings features such as versioning, replication,
transitioning to single drive setups.
This commit is contained in:
Harshavardhana
2022-05-30 10:58:37 -07:00
committed by GitHub
parent 5792be71fa
commit f1abb92f0c
62 changed files with 4288 additions and 270 deletions
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52
cmd/server-main.go
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@@ -222,6 +222,7 @@ func serverHandleCmdArgs(ctx *cli.Context) {
if globalIsDistErasure {
globalIsErasure = true
}
globalIsErasureSD = (setupType == ErasureSDSetupType)
}
func serverHandleEnvVars() {
@@ -232,13 +233,11 @@ func serverHandleEnvVars() {
var globalHealStateLK sync.RWMutex
func initAllSubsystems() {
if globalIsErasure {
globalHealStateLK.Lock()
// New global heal state
globalAllHealState = newHealState(true)
globalBackgroundHealState = newHealState(false)
globalHealStateLK.Unlock()
}
globalHealStateLK.Lock()
// New global heal state
globalAllHealState = newHealState(true)
globalBackgroundHealState = newHealState(false)
globalHealStateLK.Unlock()
// Create new notification system and initialize notification peer targets
globalNotificationSys = NewNotificationSys(globalEndpoints)
@@ -527,11 +526,8 @@ func serverMain(ctx *cli.Context) {
xhttp.SetMinIOVersion(Version)
// Enable background operations for erasure coding
if globalIsErasure {
initAutoHeal(GlobalContext, newObject)
initHealMRF(GlobalContext, newObject)
}
initAutoHeal(GlobalContext, newObject)
initHealMRF(GlobalContext, newObject)
initBackgroundExpiry(GlobalContext, newObject)
if globalActiveCred.Equal(auth.DefaultCredentials) {
@@ -579,21 +575,19 @@ func serverMain(ctx *cli.Context) {
// Background all other operations such as initializing bucket metadata etc.
go func() {
// Initialize transition tier configuration manager
if globalIsErasure {
initBackgroundReplication(GlobalContext, newObject)
initBackgroundTransition(GlobalContext, newObject)
initBackgroundReplication(GlobalContext, newObject)
initBackgroundTransition(GlobalContext, newObject)
go func() {
if err := globalTierConfigMgr.Init(GlobalContext, newObject); err != nil {
logger.LogIf(GlobalContext, err)
}
go func() {
if err := globalTierConfigMgr.Init(GlobalContext, newObject); err != nil {
logger.LogIf(GlobalContext, err)
}
globalTierJournal, err = initTierDeletionJournal(GlobalContext)
if err != nil {
logger.FatalIf(err, "Unable to initialize remote tier pending deletes journal")
}
}()
}
globalTierJournal, err = initTierDeletionJournal(GlobalContext)
if err != nil {
logger.FatalIf(err, "Unable to initialize remote tier pending deletes journal")
}
}()
// Initialize site replication manager.
globalSiteReplicationSys.Init(GlobalContext, newObject)
@@ -664,7 +658,13 @@ func newObjectLayer(ctx context.Context, endpointServerPools EndpointServerPools
// For FS only, directly use the disk.
if endpointServerPools.NEndpoints() == 1 {
// Initialize new FS object layer.
return NewFSObjectLayer(endpointServerPools[0].Endpoints[0].Path)
newObject, err = NewFSObjectLayer(endpointServerPools[0].Endpoints[0].Path)
if err == nil {
return newObject, nil
}
if err != nil && err != errFreshDisk {
return newObject, err
}
}
return newErasureServerPools(ctx, endpointServerPools)