## Upgrading MinIO

Upgrades require zero downtime in MinIO, all upgrades are non-disruptive, all transactions on MinIO are atomic. So upgrading all the servers simultaneously is the recommended way to upgrade MinIO.

import (
	"github.com/minio/minio/internal/bucket/replication"
	"github.com/tinylib/msgp/msgp"
)

// MarshalMsg implements msgp.Marshaler
func (z BackendType) MarshalMsg(b []byte) (o []byte, err error) {
	o = msgp.Require(b, z.Msgsize())
	o = msgp.AppendInt(o, int(z))
	return
}

// UnmarshalMsg implements msgp.Unmarshaler
func (z *BackendType) UnmarshalMsg(bts []byte) (o []byte, err error) {
	{
		var zb0001 int

		err = msgp.WrapError(err, "LastUpdate")
		return
	}
	return
}

// MarshalMsg implements msgp.Marshaler
func (z *BucketReplicationResyncStatus) MarshalMsg(b []byte) (o []byte, err error) {
	o = msgp.Require(b, z.Msgsize())
	// map header, size 4
	// string "v"
	o = append(o, 0x84, 0xa1, 0x76)
	o = msgp.AppendInt(o, z.Version)
	// string "brs"
	o = append(o, 0xa3, 0x62, 0x72, 0x73)

// Code generated by github.com/tinylib/msgp DO NOT EDIT.

import (
	"github.com/tinylib/msgp/msgp"
)

// MarshalMsg implements msgp.Marshaler
func (z BucketOptions) MarshalMsg(b []byte) (o []byte, err error) {
	o = msgp.Require(b, z.Msgsize())
	// map header, size 2
	// string "Deleted"
	o = append(o, 0x82, 0xa7, 0x44, 0x65, 0x6c, 0x65, 0x74, 0x65, 0x64)
	o = msgp.AppendBool(o, z.Deleted)
	// string "Cached"

			err = msgp.WrapError(err, "Rules", za0001)
			return
		}
	}
	return
}

// MarshalMsg implements msgp.Marshaler
func (z *BatchJobExpire) MarshalMsg(b []byte) (o []byte, err error) {
	o = msgp.Require(b, z.Msgsize())
	// map header, size 6
	// string "APIVersion"
	o = append(o, 0x86, 0xaa, 0x41, 0x50, 0x49, 0x56, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e)
	o = msgp.AppendString(o, z.APIVersion)
	// string "Bucket"

		err = msgp.WrapError(err, "Context")
		return
	}
	return
}

// MarshalMsg implements msgp.Marshaler
func (z BatchJobKeyRotateEncryption) MarshalMsg(b []byte) (o []byte, err error) {
	o = msgp.Require(b, z.Msgsize())
	// map header, size 3
	// string "Type"
	o = append(o, 0x83, 0xa4, 0x54, 0x79, 0x70, 0x65)
	o = msgp.AppendString(o, string(z.Type))
	// string "Key"
	o = append(o, 0xa3, 0x4b, 0x65, 0x79)

			err = msgp.WrapError(err, "MinioEnv", za0002)
			return
		}
	}
	return
}

// MarshalMsg implements msgp.Marshaler
func (z *ServerSystemConfig) MarshalMsg(b []byte) (o []byte, err error) {
	o = msgp.Require(b, z.Msgsize())
	// map header, size 3
	// string "NEndpoints"
	o = append(o, 0x83, 0xaa, 0x4e, 0x45, 0x6e, 0x64, 0x70, 0x6f, 0x69, 0x6e, 0x74, 0x73)
	o = msgp.AppendInt(o, z.NEndpoints)
	// string "CmdLines"

			err = msgp.WrapError(err, "Expire")
			return
		}
	}
	return
}

// MarshalMsg implements msgp.Marshaler
func (z *BatchJobRequest) MarshalMsg(b []byte) (o []byte, err error) {
	o = msgp.Require(b, z.Msgsize())
	// map header, size 6
	// string "ID"
	o = append(o, 0x86, 0xa2, 0x49, 0x44)
	o = msgp.AppendString(o, z.ID)
	// string "User"
	o = append(o, 0xa4, 0x55, 0x73, 0x65, 0x72)

	if err != nil {
		err = msgp.WrapError(err)
		return
	}
	return
}

// MarshalMsg implements msgp.Marshaler
func (z rebalSaveOpts) MarshalMsg(b []byte) (o []byte, err error) {
	o = msgp.Require(b, z.Msgsize())
	o = msgp.AppendUint8(o, uint8(z))
	return
}

// UnmarshalMsg implements msgp.Unmarshaler
func (z *rebalSaveOpts) UnmarshalMsg(bts []byte) (o []byte, err error) {
	{
		var zb0001 uint8

	if err != nil {
		err = msgp.WrapError(err, "Quorum")
		return
	}
	return
}

// MarshalMsg implements msgp.Marshaler
func (z *LockArgs) MarshalMsg(b []byte) (o []byte, err error) {
	o = msgp.Require(b, z.Msgsize())
	// map header, size 5
	// string "UID"
	o = append(o, 0x85, 0xa3, 0x55, 0x49, 0x44)
	o = msgp.AppendString(o, z.UID)
	// string "Resources"