// prepareAdminErasureTestBed - helper function that setups a single-node
// Erasure backend for admin-handler tests.
func prepareAdminErasureTestBed(ctx context.Context) (*adminErasureTestBed, error) {
	ctx, cancel := context.WithCancel(ctx)

	// reset global variables to start afresh.
	resetTestGlobals()

	// Set globalIsErasure to indicate that the setup uses an erasure
	// code backend.
	globalIsErasure = true

	var buf bytes.Buffer

	}

	baseTestCases := []TestSuiteCommon{
		// Init and run test on ErasureSD backend with signature v4.
		{serverType: "ErasureSD", signer: signerV4},
		// Init and run test on ErasureSD backend, with tls enabled.
		{serverType: "ErasureSD", signer: signerV4, secure: true},
		// Init and run test on Erasure backend.
		{serverType: "Erasure", signer: signerV4},
		// Init and run test on ErasureSet backend.

	local DATA_DRIVE=-1
	local FILE=$1
	local DIR=$2
	# Check for existence of file in erasure set 1
	docker exec resiliency-minio1-1 /bin/sh -c "stat /data1/test-bucket/$DIR/$FILE/xl.meta" >/dev/null 2>&1
	STATUS=$?
	if [ $STATUS -eq 0 ]; then
		DATA_DRIVE=1
	fi

	if [ $DATA_DRIVE -eq -1 ]; then
		# Check for existence of file in erasure set 2

			}
		}

		if serverDebugLog {
			console.Debugf(color.Green("healDrive:")+" healing bucket %s content on %s erasure set\n",
				bucket, humanize.Ordinal(er.setIndex+1))
		}

		disks, _, healing := er.getOnlineDisksWithHealingAndInfo(true)
		if len(disks) == healing {
			// All drives in this erasure set were reformatted for some reasons, abort healing and mark it as successful

minio server --address :9003 /data/tenant3
```

![Example-1](https://github.com/minio/minio/blob/master/docs/screenshots/Example-1.jpg?raw=true)

### 1.2 Host Multiple Tenants on Multiple Drives (Erasure Code)

Use the following commands to host 3 tenants on multiple drives:

```sh
minio server --address :9001 /disk{1...4}/data/tenant1
minio server --address :9002 /disk{1...4}/data/tenant2

// Code generated by "stringer -type=decomMetric -trimprefix=decomMetric erasure-server-pool-decom.go"; DO NOT EDIT.

package cmd

import "strconv"

func _() {
	// An "invalid array index" compiler error signifies that the constant values have changed.
	// Re-run the stringer command to generate them again.
	var x [1]struct{}
	_ = x[decomMetricDecommissionBucket-0]
	_ = x[decomMetricDecommissionObject-1]
	_ = x[decomMetricDecommissionRemoveObject-2]

// Code generated by "stringer -type=rebalanceMetric -trimprefix=rebalanceMetric erasure-server-pool-rebalance.go"; DO NOT EDIT.

package cmd

import "strconv"

func _() {
	// An "invalid array index" compiler error signifies that the constant values have changed.
	// Re-run the stringer command to generate them again.
	var x [1]struct{}
	_ = x[rebalanceMetricRebalanceBuckets-0]
	_ = x[rebalanceMetricRebalanceBucket-1]

}

func (fi FileInfo) shardSize() int64 {
	return ceilFrac(fi.Erasure.BlockSize, int64(fi.Erasure.DataBlocks))
}

// ShardFileSize - returns final erasure size from original size.
func (fi FileInfo) ShardFileSize(totalLength int64) int64 {
	if totalLength == 0 {
		return 0
	}
	if totalLength == -1 {
		return -1
	}
	numShards := totalLength / fi.Erasure.BlockSize
	lastBlockSize := totalLength % fi.Erasure.BlockSize

```
mc mb -l myminio/veeambackup
```

> Object locking requires erasure coding enabled on the minio server. For more information see <https://docs.min.io/community/minio-object-store/operations/concepts/erasure-coding.html>.

### Add MinIO as an object store for Veeam