// Maximum size of default bucket encryption configuration allowed
	maxBucketSSEConfigSize = 1 * humanize.MiByte

	// diskFillFraction is the fraction of a disk we allow to be filled.
	diskFillFraction = 0.99

	// diskReserveFraction is the fraction of a disk where we will fill other server pools first.
	// If all pools reach this, we will use all pools with regular placement.
	diskReserveFraction = 0.15

//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package disk

import (
	"errors"
	"fmt"
	"strconv"
	"syscall"
)

// fsType2StringMap - list of filesystems supported on linux
var fsType2StringMap = map[string]string{
	"1021994":  "TMPFS",
	"137d":     "EXT",
	"4244":     "HFS",
	"4d44":     "MSDOS",

		s.WriteString(KvSpaceSeparator)
	}
	return s.String()
}

// Merge environment values with on disk KVS, environment values overrides
// anything on the disk.
func Merge(cfgKVS map[string]KVS, envname string, defaultKVS KVS) map[string]KVS {
	newCfgKVS := make(map[string]KVS)
	for _, e := range env.List(envname) {
		tgt := strings.TrimPrefix(e, envname+Default)
		if tgt == envname {
			tgt = Default
		}

	req.Header.Set(xhttp.MinIOPeerCall, "true")

	resp, err := httpClient.Do(req)
	if err != nil {
		return err
	}
	xhttp.DrainBody(resp.Body)

	return nil
}

// connect to list of endpoints and load all Erasure disk formats, validate the formats are correct
// and are in quorum, if no formats are found attempt to initialize all of them for the first
// time. additionally make sure to close all the disks used in this attempt.

		return
	}
	a.Curr = globalReplicationPool.Get().ActiveWorkers()
	a.hist.Update(int64(a.Curr))
	a.Avg = float32(a.hist.Mean())
	a.Max = int(a.hist.Max())
}

func (a *ActiveWorkerStat) get() ActiveWorkerStat {
	w := ActiveWorkerStat{
		Curr: a.Curr,
		Avg:  a.Avg,
		Max:  a.Max,
	}
	return w
}

// QStat holds queue stats for replication
type QStat struct {
	Count float64 `json:"count"`

	if err != nil {
		t.Fatal(err)
	}

	disk := er.getDisks()[0]
	fileInfoPreHeal, err := disk.ReadVersion(t.Context(), "", bucket, object, "", ReadOptions{ReadData: false, Healing: true})
	if err != nil {
		t.Fatal(err)
	}

	// Remove the object - to simulate the case where the disk was down when the object
	// was created.
	err = removeAll(pathJoin(disk.String(), bucket, object))
	if err != nil {
		t.Fatal(err)

	return errInvalidArgument
}

// MakeVol - create a volume on a remote disk.
func (client *storageRESTClient) MakeVol(ctx context.Context, volume string) (err error) {
	return errInvalidArgument
}

// ListVols - List all volumes on a remote disk.
func (client *storageRESTClient) ListVols(ctx context.Context) (vols []VolInfo, err error) {
	return nil, errInvalidArgument
}

func (ahs *allHealState) getLocalHealingDisks() map[string]madmin.HealingDisk {
	ahs.RLock()
	defer ahs.RUnlock()
	dst := make(map[string]madmin.HealingDisk, len(ahs.healStatus))
	for _, v := range ahs.healStatus {
		dst[v.Endpoint] = v.toHealingDisk()
	}

	return dst
}

// getHealLocalDiskEndpoints() returns the list of disks that need
// to be healed but there is no healing routine in progress on them.

```
minio server http://server{1...4}/disk{1...4}
   --ftp="address=:8021" --ftp="passive-port-range=30000-40000" \
   --sftp="address=:8022" --sftp="ssh-private-key=/home/miniouser/.ssh/id_rsa"
...
...
```

Following example shows connecting via ftp client using `minioadmin` credentials, and list a bucket named `runner`:

```
ftp localhost -P 8021
Connected to localhost.

		}
		totalCap += disk.TotalSpace
		totalFree += disk.AvailableSpace

		diskStats[disk.PoolIndex].AvailableSpace += disk.AvailableSpace
		diskStats[disk.PoolIndex].TotalSpace += disk.TotalSpace
	}
	r.PercentFreeGoal = float64(totalFree) / float64(totalCap)

	now := time.Now()
	for idx := range z.serverPools {
		r.PoolStats[idx] = &rebalanceStats{
			Buckets:           make([]string, len(buckets)),