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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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22
cmd/erasure-server-pool.go
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@@ -61,6 +61,22 @@ func (z *erasureServerPools) SinglePool() bool {
// Initialize new pool of erasure sets.
func newErasureServerPools(ctx context.Context, endpointServerPools EndpointServerPools) (ObjectLayer, error) {
if endpointServerPools.NEndpoints() == 1 {
ep := endpointServerPools[0]
storageDisks, format, err := waitForFormatErasure(true, ep.Endpoints, 1, ep.SetCount, ep.DrivesPerSet, "", "")
if err != nil {
return nil, err
}
objLayer, err := newErasureSingle(ctx, storageDisks[0], format)
if err != nil {
return nil, err
}
globalLocalDrives = storageDisks
return objLayer, nil
}
var (
deploymentID string
distributionAlgo string
@@ -320,7 +336,7 @@ func (z *erasureServerPools) getServerPoolsAvailableSpace(ctx context.Context, b
nSets[index] = pool.setCount
g.Go(func() error {
// Get the set where it would be placed.
storageInfos[index] = getDiskInfos(ctx, pool.getHashedSet(object).getDisks())
storageInfos[index] = getDiskInfos(ctx, pool.getHashedSet(object).getDisks()...)
return nil
}, index)
}
@@ -933,7 +949,7 @@ func (z *erasureServerPools) PutObject(ctx context.Context, bucket string, objec
object = encodeDirObject(object)
if z.SinglePool() {
if !isMinioMetaBucketName(bucket) && !hasSpaceFor(getDiskInfos(ctx, z.serverPools[0].getHashedSet(object).getDisks()), data.Size()) {
if !isMinioMetaBucketName(bucket) && !hasSpaceFor(getDiskInfos(ctx, z.serverPools[0].getHashedSet(object).getDisks()...), data.Size()) {
return ObjectInfo{}, toObjectErr(errDiskFull)
}
return z.serverPools[0].PutObject(ctx, bucket, object, data, opts)
@@ -1325,7 +1341,7 @@ func (z *erasureServerPools) NewMultipartUpload(ctx context.Context, bucket, obj
}
if z.SinglePool() {
if !isMinioMetaBucketName(bucket) && !hasSpaceFor(getDiskInfos(ctx, z.serverPools[0].getHashedSet(object).getDisks()), -1) {
if !isMinioMetaBucketName(bucket) && !hasSpaceFor(getDiskInfos(ctx, z.serverPools[0].getHashedSet(object).getDisks()...), -1) {
return "", toObjectErr(errDiskFull)
}
return z.serverPools[0].NewMultipartUpload(ctx, bucket, object, opts)