diff --git a/cmd/lotus-miner/info.go b/cmd/lotus-miner/info.go
index 32219e73b..f6629fcf4 100644
--- a/cmd/lotus-miner/info.go
+++ b/cmd/lotus-miner/info.go
@@ -466,6 +466,7 @@ var stateOrder = map[sealing.SectorState]stateMeta{}
 var stateList = []stateMeta{
 	{col: 39, state: "Total"},
 	{col: color.FgGreen, state: sealing.Proving},
+	{col: color.FgGreen, state: sealing.Available},
 	{col: color.FgGreen, state: sealing.UpdateActivating},
 
 	{col: color.FgBlue, state: sealing.Empty},
diff --git a/cmd/lotus-miner/sectors.go b/cmd/lotus-miner/sectors.go
index 24098b558..150c0f2c6 100644
--- a/cmd/lotus-miner/sectors.go
+++ b/cmd/lotus-miner/sectors.go
@@ -351,7 +351,7 @@ var sectorsListCmd = &cli.Command{
 
 		if cctx.Bool("unproven") {
 			for state := range sealing.ExistSectorStateList {
-				if state == sealing.Proving {
+				if state == sealing.Proving || state == sealing.Available {
 					continue
 				}
 				states = append(states, api.SectorState(state))
diff --git a/documentation/en/default-lotus-miner-config.toml b/documentation/en/default-lotus-miner-config.toml
index 30dfd0268..d00d790c5 100644
--- a/documentation/en/default-lotus-miner-config.toml
+++ b/documentation/en/default-lotus-miner-config.toml
@@ -365,6 +365,12 @@
   # env var: LOTUS_SEALING_FINALIZEEARLY
   #FinalizeEarly = false
 
+  # After sealing CC sectors, make them available for upgrading with deals
+  #
+  # type: bool
+  # env var: LOTUS_SEALING_MAKECCSECTORSAVAILABLE
+  #MakeCCSectorsAvailable = false
+
   # Whether to use available miner balance for sector collateral instead of sending it with each message
   #
   # type: bool
diff --git a/extern/storage-sealing/fsm.go b/extern/storage-sealing/fsm.go
index 2c50d1885..b85290f04 100644
--- a/extern/storage-sealing/fsm.go
+++ b/extern/storage-sealing/fsm.go
@@ -111,6 +111,7 @@ var fsmPlanners = map[SectorState]func(events []statemachine.Event, state *Secto
 	Committing: planCommitting,
 	CommitFinalize: planOne(
 		on(SectorFinalized{}, SubmitCommit),
+		on(SectorFinalizedAvailable{}, SubmitCommit),
 		on(SectorFinalizeFailed{}, CommitFinalizeFailed),
 	),
 	SubmitCommit: planOne(
@@ -136,6 +137,7 @@ var fsmPlanners = map[SectorState]func(events []statemachine.Event, state *Secto
 
 	FinalizeSector: planOne(
 		on(SectorFinalized{}, Proving),
+		on(SectorFinalizedAvailable{}, Available),
 		on(SectorFinalizeFailed{}, FinalizeFailed),
 	),
 
@@ -283,7 +285,11 @@ var fsmPlanners = map[SectorState]func(events []statemachine.Event, state *Secto
 	Proving: planOne(
 		on(SectorFaultReported{}, FaultReported),
 		on(SectorFaulty{}, Faulty),
+		on(SectorMarkForUpdate{}, Available),
+	),
+	Available: planOne(
 		on(SectorStartCCUpdate{}, SnapDealsWaitDeals),
+		on(SectorAbortUpgrade{}, Proving),
 	),
 	Terminating: planOne(
 		on(SectorTerminating{}, TerminateWait),
@@ -558,6 +564,8 @@ func (m *Sealing) plan(events []statemachine.Event, state *SectorInfo) (func(sta
 	// Post-seal
 	case Proving:
 		return m.handleProvingSector, processed, nil
+	case Available:
+		return m.handleAvailableSector, processed, nil
 	case Terminating:
 		return m.handleTerminating, processed, nil
 	case TerminateWait:
diff --git a/extern/storage-sealing/fsm_events.go b/extern/storage-sealing/fsm_events.go
index fc3b774f9..66497473f 100644
--- a/extern/storage-sealing/fsm_events.go
+++ b/extern/storage-sealing/fsm_events.go
@@ -286,6 +286,10 @@ type SectorFinalized struct{}
 
 func (evt SectorFinalized) apply(*SectorInfo) {}
 
+type SectorFinalizedAvailable struct{}
+
+func (evt SectorFinalizedAvailable) apply(*SectorInfo) {}
+
 type SectorRetryFinalize struct{}
 
 func (evt SectorRetryFinalize) apply(*SectorInfo) {}
@@ -297,6 +301,10 @@ func (evt SectorFinalizeFailed) apply(*SectorInfo)                        {}
 
 // Snap deals // CC update path
 
+type SectorMarkForUpdate struct{}
+
+func (evt SectorMarkForUpdate) apply(state *SectorInfo) {}
+
 type SectorStartCCUpdate struct{}
 
 func (evt SectorStartCCUpdate) apply(state *SectorInfo) {
diff --git a/extern/storage-sealing/input.go b/extern/storage-sealing/input.go
index e644cd848..d2b51edc9 100644
--- a/extern/storage-sealing/input.go
+++ b/extern/storage-sealing/input.go
@@ -12,11 +12,14 @@ import (
 	"github.com/filecoin-project/go-commp-utils/zerocomm"
 	"github.com/filecoin-project/go-padreader"
 	"github.com/filecoin-project/go-state-types/abi"
+	"github.com/filecoin-project/go-state-types/big"
 	"github.com/filecoin-project/go-statemachine"
 	"github.com/filecoin-project/specs-storage/storage"
 
 	"github.com/filecoin-project/lotus/api"
 	"github.com/filecoin-project/lotus/build"
+	"github.com/filecoin-project/lotus/chain/actors/policy"
+	"github.com/filecoin-project/lotus/chain/types"
 	sectorstorage "github.com/filecoin-project/lotus/extern/sector-storage"
 	"github.com/filecoin-project/lotus/extern/sector-storage/ffiwrapper"
 	"github.com/filecoin-project/lotus/extern/storage-sealing/sealiface"
@@ -30,8 +33,8 @@ func (m *Sealing) handleWaitDeals(ctx statemachine.Context, sector SectorInfo) e
 
 	m.inputLk.Lock()
 
-	if m.creating != nil && *m.creating == sector.SectorNumber {
-		m.creating = nil
+	if m.nextDealSector != nil && *m.nextDealSector == sector.SectorNumber {
+		m.nextDealSector = nil
 	}
 
 	sid := m.minerSectorID(sector.SectorNumber)
@@ -384,8 +387,29 @@ func (m *Sealing) MatchPendingPiecesToOpenSectors(ctx context.Context) error {
 	return m.updateInput(ctx, sp)
 }
 
+type expFn func(sn abi.SectorNumber) (abi.ChainEpoch, abi.TokenAmount, error)
+
 // called with m.inputLk
 func (m *Sealing) updateInput(ctx context.Context, sp abi.RegisteredSealProof) error {
+	memo := make(map[abi.SectorNumber]struct {
+		e abi.ChainEpoch
+		p abi.TokenAmount
+	})
+	expF := func(sn abi.SectorNumber) (abi.ChainEpoch, abi.TokenAmount, error) {
+		if e, ok := memo[sn]; ok {
+			return e.e, e.p, nil
+		}
+		onChainInfo, err := m.Api.StateSectorGetInfo(ctx, m.maddr, sn, TipSetToken{})
+		if err != nil {
+			return 0, big.Zero(), err
+		}
+		memo[sn] = struct {
+			e abi.ChainEpoch
+			p abi.TokenAmount
+		}{e: onChainInfo.Expiration, p: onChainInfo.InitialPledge}
+		return onChainInfo.Expiration, onChainInfo.InitialPledge, nil
+	}
+
 	ssize, err := sp.SectorSize()
 	if err != nil {
 		return err
@@ -411,19 +435,6 @@ func (m *Sealing) updateInput(ctx context.Context, sp abi.RegisteredSealProof) e
 
 		toAssign[proposalCid] = struct{}{}
 
-		memo := make(map[abi.SectorNumber]abi.ChainEpoch)
-		expF := func(sn abi.SectorNumber) (abi.ChainEpoch, error) {
-			if exp, ok := memo[sn]; ok {
-				return exp, nil
-			}
-			onChainInfo, err := m.Api.StateSectorGetInfo(ctx, m.maddr, sn, TipSetToken{})
-			if err != nil {
-				return 0, err
-			}
-			memo[sn] = onChainInfo.Expiration
-			return onChainInfo.Expiration, nil
-		}
-
 		for id, sector := range m.openSectors {
 			avail := abi.PaddedPieceSize(ssize).Unpadded() - sector.used
 			// check that sector lifetime is long enough to fit deal using latest expiration from on chain
@@ -434,7 +445,7 @@ func (m *Sealing) updateInput(ctx context.Context, sp abi.RegisteredSealProof) e
 				continue
 			}
 			if !ok {
-				exp, _ := expF(sector.number)
+				exp, _, _ := expF(sector.number)
 				log.Infof("CC update sector %d cannot fit deal, expiration %d before deal end epoch %d", id, exp, piece.deal.DealProposal.EndEpoch)
 				continue
 			}
@@ -497,7 +508,7 @@ func (m *Sealing) updateInput(ctx context.Context, sp abi.RegisteredSealProof) e
 
 	if len(toAssign) > 0 {
 		log.Errorf("we are trying to create a new sector with open sectors %v", m.openSectors)
-		if err := m.tryCreateDealSector(ctx, sp); err != nil {
+		if err := m.tryGetDealSector(ctx, sp, expF); err != nil {
 			log.Errorw("Failed to create a new sector for deals", "error", err)
 		}
 	}
@@ -505,10 +516,113 @@ func (m *Sealing) updateInput(ctx context.Context, sp abi.RegisteredSealProof) e
 	return nil
 }
 
-func (m *Sealing) tryCreateDealSector(ctx context.Context, sp abi.RegisteredSealProof) error {
+func (m *Sealing) calcTargetExpiration(ctx context.Context, ssize abi.SectorSize) (minTarget, target abi.ChainEpoch, err error) {
+	var candidates []*pendingPiece
+
+	for _, piece := range m.pendingPieces {
+		if piece.assigned {
+			continue // already assigned to a sector, skip
+		}
+		candidates = append(candidates, piece)
+	}
+
+	// earliest expiration first
+	sort.Slice(candidates, func(i, j int) bool {
+		return candidates[i].deal.DealProposal.EndEpoch < candidates[j].deal.DealProposal.EndEpoch
+	})
+
+	var totalBytes uint64
+	for _, candidate := range candidates {
+		totalBytes += uint64(candidate.size)
+
+		if totalBytes >= uint64(abi.PaddedPieceSize(ssize).Unpadded()) {
+			return candidates[0].deal.DealProposal.EndEpoch, candidate.deal.DealProposal.EndEpoch, nil
+		}
+	}
+
+	_, curEpoch, err := m.Api.ChainHead(ctx)
+	if err != nil {
+		return 0, 0, xerrors.Errorf("getting current epoch: %w", err)
+	}
+
+	minDur, maxDur := policy.DealDurationBounds(0)
+
+	return curEpoch + minDur, curEpoch + maxDur, nil
+}
+
+func (m *Sealing) tryGetUpgradeSector(ctx context.Context, sp abi.RegisteredSealProof, ef expFn) (bool, error) {
+	if len(m.available) == 0 {
+		return false, nil
+	}
+
+	ssize, err := sp.SectorSize()
+	if err != nil {
+		return false, xerrors.Errorf("getting sector size: %w", err)
+	}
+	minExpiration, targetExpiration, err := m.calcTargetExpiration(ctx, ssize)
+	if err != nil {
+		return false, xerrors.Errorf("calculating min target expiration: %w", err)
+	}
+
+	var candidate abi.SectorID
+	var bestExpiration abi.ChainEpoch
+	bestPledge := types.TotalFilecoinInt
+
+	for s := range m.available {
+		expiration, pledge, err := ef(s.Number)
+		if err != nil {
+			log.Errorw("checking sector expiration", "error", err)
+			continue
+		}
+
+		slowChecks := func(sid abi.SectorNumber) bool {
+			active, err := m.sectorActive(ctx, TipSetToken{}, sid)
+			if err != nil {
+				log.Errorw("checking sector active", "error", err)
+				return false
+			}
+			if !active {
+				log.Debugw("skipping available sector", "reason", "not active")
+				return false
+			}
+			return true
+		}
+
+		// if best is below target, we want larger expirations
+		// if best is above target, we want lower pledge, but only if still above target
+
+		if bestExpiration < targetExpiration {
+			if expiration > bestExpiration && slowChecks(s.Number) {
+				bestExpiration = expiration
+				bestPledge = pledge
+				candidate = s
+			}
+			continue
+		}
+
+		if expiration >= targetExpiration && pledge.LessThan(bestPledge) && slowChecks(s.Number) {
+			bestExpiration = expiration
+			bestPledge = pledge
+			candidate = s
+		}
+	}
+
+	if bestExpiration < minExpiration {
+		log.Infow("Not upgrading any sectors", "available", len(m.available), "pieces", len(m.pendingPieces), "bestExp", bestExpiration, "target", targetExpiration, "min", minExpiration, "candidate", candidate)
+		// didn't find a good sector / no sectors were available
+		return false, nil
+	}
+
+	log.Infow("Upgrading sector", "number", candidate.Number, "type", "deal", "proofType", sp, "expiration", bestExpiration, "pledge", types.FIL(bestPledge))
+	delete(m.available, candidate)
+	m.nextDealSector = &candidate.Number
+	return true, m.sectors.Send(uint64(candidate.Number), SectorStartCCUpdate{})
+}
+
+func (m *Sealing) tryGetDealSector(ctx context.Context, sp abi.RegisteredSealProof, ef expFn) error {
 	m.startupWait.Wait()
 
-	if m.creating != nil {
+	if m.nextDealSector != nil {
 		return nil // new sector is being created right now
 	}
 
@@ -517,10 +631,6 @@ func (m *Sealing) tryCreateDealSector(ctx context.Context, sp abi.RegisteredSeal
 		return xerrors.Errorf("getting storage config: %w", err)
 	}
 
-	if !cfg.MakeNewSectorForDeals {
-		return nil
-	}
-
 	if cfg.MaxSealingSectorsForDeals > 0 && m.stats.curSealing() >= cfg.MaxSealingSectorsForDeals {
 		return nil
 	}
@@ -529,12 +639,24 @@ func (m *Sealing) tryCreateDealSector(ctx context.Context, sp abi.RegisteredSeal
 		return nil
 	}
 
+	got, err := m.tryGetUpgradeSector(ctx, sp, ef)
+	if err != nil {
+		return err
+	}
+	if got {
+		return nil
+	}
+
+	if !cfg.MakeNewSectorForDeals {
+		return nil
+	}
+
 	sid, err := m.createSector(ctx, cfg, sp)
 	if err != nil {
 		return err
 	}
 
-	m.creating = &sid
+	m.nextDealSector = &sid
 
 	log.Infow("Creating sector", "number", sid, "type", "deal", "proofType", sp)
 	return m.sectors.Send(uint64(sid), SectorStart{
@@ -573,6 +695,11 @@ func (m *Sealing) StartPacking(sid abi.SectorNumber) error {
 func (m *Sealing) AbortUpgrade(sid abi.SectorNumber) error {
 	m.startupWait.Wait()
 
+	m.inputLk.Lock()
+	// always do this early
+	delete(m.available, m.minerSectorID(sid))
+	m.inputLk.Unlock()
+
 	log.Infow("aborting upgrade of sector", "sector", sid, "trigger", "user")
 	return m.sectors.Send(uint64(sid), SectorAbortUpgrade{xerrors.New("triggered by user")})
 }
diff --git a/extern/storage-sealing/mocks/api.go b/extern/storage-sealing/mocks/api.go
index 95c222ecd..efe89ff0b 100644
--- a/extern/storage-sealing/mocks/api.go
+++ b/extern/storage-sealing/mocks/api.go
@@ -9,6 +9,7 @@ import (
 	reflect "reflect"
 
 	address "github.com/filecoin-project/go-address"
+	bitfield "github.com/filecoin-project/go-bitfield"
 	abi "github.com/filecoin-project/go-state-types/abi"
 	big "github.com/filecoin-project/go-state-types/big"
 	crypto "github.com/filecoin-project/go-state-types/crypto"
@@ -214,10 +215,10 @@ func (mr *MockSealingAPIMockRecorder) StateMarketStorageDealProposal(arg0, arg1,
 }
 
 // StateMinerActiveSectors mocks base method.
-func (m *MockSealingAPI) StateMinerActiveSectors(arg0 context.Context, arg1 address.Address, arg2 sealing.TipSetToken) ([]*miner.SectorOnChainInfo, error) {
+func (m *MockSealingAPI) StateMinerActiveSectors(arg0 context.Context, arg1 address.Address, arg2 sealing.TipSetToken) (bitfield.BitField, error) {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "StateMinerActiveSectors", arg0, arg1, arg2)
-	ret0, _ := ret[0].([]*miner.SectorOnChainInfo)
+	ret0, _ := ret[0].(bitfield.BitField)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
diff --git a/extern/storage-sealing/sealiface/config.go b/extern/storage-sealing/sealiface/config.go
index 852034aa7..20bd2b564 100644
--- a/extern/storage-sealing/sealiface/config.go
+++ b/extern/storage-sealing/sealiface/config.go
@@ -20,6 +20,8 @@ type Config struct {
 
 	MakeNewSectorForDeals bool
 
+	MakeCCSectorsAvailable bool
+
 	WaitDealsDelay time.Duration
 
 	CommittedCapacitySectorLifetime time.Duration
diff --git a/extern/storage-sealing/sealing.go b/extern/storage-sealing/sealing.go
index 907d7cdfd..8f6cf3226 100644
--- a/extern/storage-sealing/sealing.go
+++ b/extern/storage-sealing/sealing.go
@@ -13,6 +13,7 @@ import (
 	"golang.org/x/xerrors"
 
 	"github.com/filecoin-project/go-address"
+	"github.com/filecoin-project/go-bitfield"
 	"github.com/filecoin-project/go-state-types/abi"
 	"github.com/filecoin-project/go-state-types/big"
 	"github.com/filecoin-project/go-state-types/crypto"
@@ -63,7 +64,7 @@ type SealingAPI interface {
 	StateMinerInfo(context.Context, address.Address, TipSetToken) (miner.MinerInfo, error)
 	StateMinerAvailableBalance(context.Context, address.Address, TipSetToken) (big.Int, error)
 	StateMinerSectorAllocated(context.Context, address.Address, abi.SectorNumber, TipSetToken) (bool, error)
-	StateMinerActiveSectors(context.Context, address.Address, TipSetToken) ([]*miner.SectorOnChainInfo, error)
+	StateMinerActiveSectors(context.Context, address.Address, TipSetToken) (bitfield.BitField, error)
 	StateMarketStorageDeal(context.Context, abi.DealID, TipSetToken) (*api.MarketDeal, error)
 	StateMarketStorageDealProposal(context.Context, abi.DealID, TipSetToken) (market.DealProposal, error)
 	StateNetworkVersion(ctx context.Context, tok TipSetToken) (network.Version, error)
@@ -104,10 +105,11 @@ type Sealing struct {
 	sectorTimers   map[abi.SectorID]*time.Timer
 	pendingPieces  map[cid.Cid]*pendingPiece
 	assignedPieces map[abi.SectorID][]cid.Cid
-	creating       *abi.SectorNumber // used to prevent a race where we could create a new sector more than once
+	nextDealSector *abi.SectorNumber // used to prevent a race where we could create a new sector more than once
 
 	upgradeLk sync.Mutex
 	toUpgrade map[abi.SectorNumber]struct{}
+	available map[abi.SectorID]struct{}
 
 	notifee SectorStateNotifee
 	addrSel AddrSel
@@ -129,11 +131,11 @@ type openSector struct {
 	maybeAccept func(cid.Cid) error // called with inputLk
 }
 
-func (o *openSector) dealFitsInLifetime(dealEnd abi.ChainEpoch, expF func(sn abi.SectorNumber) (abi.ChainEpoch, error)) (bool, error) {
+func (o *openSector) dealFitsInLifetime(dealEnd abi.ChainEpoch, expF expFn) (bool, error) {
 	if !o.ccUpdate {
 		return true, nil
 	}
-	expiration, err := expF(o.number)
+	expiration, _, err := expF(o.number)
 	if err != nil {
 		return false, err
 	}
@@ -179,6 +181,8 @@ func New(mctx context.Context, api SealingAPI, fc config.MinerFeeConfig, events
 		assignedPieces: map[abi.SectorID][]cid.Cid{},
 		toUpgrade:      map[abi.SectorNumber]struct{}{},
 
+		available: map[abi.SectorID]struct{}{},
+
 		notifee: notifee,
 		addrSel: as,
 
diff --git a/extern/storage-sealing/sector_state.go b/extern/storage-sealing/sector_state.go
index 0f8228d02..7547f00a0 100644
--- a/extern/storage-sealing/sector_state.go
+++ b/extern/storage-sealing/sector_state.go
@@ -25,6 +25,7 @@ var ExistSectorStateList = map[SectorState]struct{}{
 	CommitAggregateWait:         {},
 	FinalizeSector:              {},
 	Proving:                     {},
+	Available:                   {},
 	FailedUnrecoverable:         {},
 	SealPreCommit1Failed:        {},
 	SealPreCommit2Failed:        {},
@@ -98,6 +99,7 @@ const (
 
 	FinalizeSector SectorState = "FinalizeSector"
 	Proving        SectorState = "Proving"
+	Available      SectorState = "Available" // proving CC available for SnapDeals
 
 	// snap deals / cc update
 	SnapDealsWaitDeals    SectorState = "SnapDealsWaitDeals"
@@ -161,7 +163,7 @@ func toStatState(st SectorState, finEarly bool) statSectorState {
 			return sstProving
 		}
 		return sstSealing
-	case Proving, UpdateActivating, ReleaseSectorKey, Removed, Removing, Terminating, TerminateWait, TerminateFinality, TerminateFailed:
+	case Proving, Available, UpdateActivating, ReleaseSectorKey, Removed, Removing, Terminating, TerminateWait, TerminateFinality, TerminateFailed:
 		return sstProving
 	}
 
diff --git a/extern/storage-sealing/states_failed.go b/extern/storage-sealing/states_failed.go
index a1c3be460..90fa5090a 100644
--- a/extern/storage-sealing/states_failed.go
+++ b/extern/storage-sealing/states_failed.go
@@ -238,7 +238,7 @@ func (m *Sealing) handleSubmitReplicaUpdateFailed(ctx statemachine.Context, sect
 	}
 
 	// Abort upgrade for sectors that went faulty since being marked for upgrade
-	active, err := sectorActive(ctx.Context(), m.Api, m.maddr, tok, sector.SectorNumber)
+	active, err := m.sectorActive(ctx.Context(), tok, sector.SectorNumber)
 	if err != nil {
 		log.Errorf("sector active check: api error, not proceeding: %+v", err)
 		return nil
diff --git a/extern/storage-sealing/states_proving.go b/extern/storage-sealing/states_proving.go
index e74119976..afb5c54bf 100644
--- a/extern/storage-sealing/states_proving.go
+++ b/extern/storage-sealing/states_proving.go
@@ -130,6 +130,11 @@ func (m *Sealing) handleRemoving(ctx statemachine.Context, sector SectorInfo) er
 func (m *Sealing) handleProvingSector(ctx statemachine.Context, sector SectorInfo) error {
 	// TODO: track sector health / expiration
 
+	m.inputLk.Lock()
+	// in case we revert into Proving without going into Available
+	delete(m.available, m.minerSectorID(sector.SectorNumber))
+	m.inputLk.Unlock()
+
 	cfg, err := m.getConfig()
 	if err != nil {
 		return xerrors.Errorf("getting sealing config: %w", err)
@@ -144,3 +149,13 @@ func (m *Sealing) handleProvingSector(ctx statemachine.Context, sector SectorInf
 
 	return nil
 }
+
+func (m *Sealing) handleAvailableSector(ctx statemachine.Context, sector SectorInfo) error {
+	m.inputLk.Lock()
+	m.available[m.minerSectorID(sector.SectorNumber)] = struct{}{}
+	m.inputLk.Unlock()
+	// TODO: Watch termination
+	// TODO: Auto-extend if set
+
+	return nil
+}
diff --git a/extern/storage-sealing/states_replica_update.go b/extern/storage-sealing/states_replica_update.go
index bede7a5fa..8a4f05dc4 100644
--- a/extern/storage-sealing/states_replica_update.go
+++ b/extern/storage-sealing/states_replica_update.go
@@ -41,7 +41,7 @@ func (m *Sealing) handleProveReplicaUpdate(ctx statemachine.Context, sector Sect
 		log.Errorf("handleProveReplicaUpdate: api error, not proceeding: %+v", err)
 		return nil
 	}
-	active, err := sectorActive(ctx.Context(), m.Api, m.maddr, tok, sector.SectorNumber)
+	active, err := m.sectorActive(ctx.Context(), tok, sector.SectorNumber)
 	if err != nil {
 		log.Errorf("sector active check: api error, not proceeding: %+v", err)
 		return nil
diff --git a/extern/storage-sealing/states_sealing.go b/extern/storage-sealing/states_sealing.go
index 3dba325ee..f508717f7 100644
--- a/extern/storage-sealing/states_sealing.go
+++ b/extern/storage-sealing/states_sealing.go
@@ -782,5 +782,8 @@ func (m *Sealing) handleFinalizeSector(ctx statemachine.Context, sector SectorIn
 		return ctx.Send(SectorFinalizeFailed{xerrors.Errorf("finalize sector: %w", err)})
 	}
 
+	if cfg.MakeCCSectorsAvailable && !sector.hasDeals() {
+		return ctx.Send(SectorFinalizedAvailable{})
+	}
 	return ctx.Send(SectorFinalized{})
 }
diff --git a/extern/storage-sealing/upgrade_queue.go b/extern/storage-sealing/upgrade_queue.go
index 1e5bef67c..fe95a6aa8 100644
--- a/extern/storage-sealing/upgrade_queue.go
+++ b/extern/storage-sealing/upgrade_queue.go
@@ -3,14 +3,13 @@ package sealing
 import (
 	"context"
 
-	"github.com/filecoin-project/go-address"
-	"github.com/filecoin-project/lotus/chain/actors/builtin/miner"
-	market7 "github.com/filecoin-project/specs-actors/v7/actors/builtin/market"
-
 	"golang.org/x/xerrors"
 
 	"github.com/filecoin-project/go-state-types/abi"
 	"github.com/filecoin-project/go-state-types/big"
+
+	"github.com/filecoin-project/lotus/chain/actors/builtin/miner"
+	market7 "github.com/filecoin-project/specs-actors/v7/actors/builtin/market"
 )
 
 func (m *Sealing) IsMarkedForUpgrade(id abi.SectorNumber) bool {
@@ -50,17 +49,6 @@ func (m *Sealing) MarkForUpgrade(ctx context.Context, id abi.SectorNumber) error
 }
 
 func (m *Sealing) MarkForSnapUpgrade(ctx context.Context, id abi.SectorNumber) error {
-	cfg, err := m.getConfig()
-	if err != nil {
-		return xerrors.Errorf("getting storage config: %w", err)
-	}
-
-	curStaging := m.stats.curStaging()
-	if cfg.MaxWaitDealsSectors > 0 && curStaging >= cfg.MaxWaitDealsSectors {
-		return xerrors.Errorf("already waiting for deals in %d >= %d (cfg.MaxWaitDealsSectors) sectors, no free resources to wait for deals in another",
-			curStaging, cfg.MaxWaitDealsSectors)
-	}
-
 	si, err := m.GetSectorInfo(id)
 	if err != nil {
 		return xerrors.Errorf("getting sector info: %w", err)
@@ -70,11 +58,7 @@ func (m *Sealing) MarkForSnapUpgrade(ctx context.Context, id abi.SectorNumber) e
 		return xerrors.Errorf("can't mark sectors not in the 'Proving' state for upgrade")
 	}
 
-	if len(si.Pieces) != 1 {
-		return xerrors.Errorf("not a committed-capacity sector, expected 1 piece")
-	}
-
-	if si.Pieces[0].DealInfo != nil {
+	if si.hasDeals() {
 		return xerrors.Errorf("not a committed-capacity sector, has deals")
 	}
 
@@ -87,7 +71,7 @@ func (m *Sealing) MarkForSnapUpgrade(ctx context.Context, id abi.SectorNumber) e
 		return xerrors.Errorf("failed to read sector on chain info: %w", err)
 	}
 
-	active, err := sectorActive(ctx, m.Api, m.maddr, tok, id)
+	active, err := m.sectorActive(ctx, tok, id)
 	if err != nil {
 		return xerrors.Errorf("failed to check if sector is active")
 	}
@@ -100,24 +84,16 @@ func (m *Sealing) MarkForSnapUpgrade(ctx context.Context, id abi.SectorNumber) e
 			"Upgrade expiration before marking for upgrade", id, onChainInfo.Expiration)
 	}
 
-	return m.sectors.Send(uint64(id), SectorStartCCUpdate{})
+	return m.sectors.Send(uint64(id), SectorMarkForUpdate{})
 }
 
-func sectorActive(ctx context.Context, api SealingAPI, maddr address.Address, tok TipSetToken, sector abi.SectorNumber) (bool, error) {
-	active, err := api.StateMinerActiveSectors(ctx, maddr, tok)
+func (m *Sealing) sectorActive(ctx context.Context, tok TipSetToken, sector abi.SectorNumber) (bool, error) {
+	active, err := m.Api.StateMinerActiveSectors(ctx, m.maddr, tok)
 	if err != nil {
 		return false, xerrors.Errorf("failed to check active sectors: %w", err)
 	}
 
-	// Ensure the upgraded sector is active
-	var found bool
-	for _, si := range active {
-		if si.SectorNumber == sector {
-			found = true
-			break
-		}
-	}
-	return found, nil
+	return active.IsSet(uint64(sector))
 }
 
 func (m *Sealing) tryUpgradeSector(ctx context.Context, params *miner.SectorPreCommitInfo) big.Int {
diff --git a/itests/ccupgrade_test.go b/itests/ccupgrade_test.go
index 6e7a5d090..53e1ac703 100644
--- a/itests/ccupgrade_test.go
+++ b/itests/ccupgrade_test.go
@@ -10,12 +10,14 @@ import (
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/abi"
 	"github.com/filecoin-project/go-state-types/network"
-	"github.com/filecoin-project/lotus/api"
-	"github.com/filecoin-project/lotus/chain/types"
-	"github.com/filecoin-project/lotus/itests/kit"
 
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
+
+	"github.com/filecoin-project/lotus/api"
+	"github.com/filecoin-project/lotus/chain/types"
+	sealing "github.com/filecoin-project/lotus/extern/storage-sealing"
+	"github.com/filecoin-project/lotus/itests/kit"
 )
 
 func TestCCUpgrade(t *testing.T) {
@@ -48,9 +50,6 @@ func runTestCCUpgrade(t *testing.T) *kit.TestFullNode {
 	CCUpgrade := abi.SectorNumber(kit.DefaultPresealsPerBootstrapMiner + 1)
 	fmt.Printf("CCUpgrade: %d\n", CCUpgrade)
 
-	// wait for deadline 0 to pass so that committing starts after post on preseals
-	// this gives max time for post to complete minimizing chances of timeout
-	// waitForDeadline(ctx, t, 1, client, maddr)
 	miner.PledgeSectors(ctx, 1, 0, nil)
 	sl, err := miner.SectorsList(ctx)
 	require.NoError(t, err)
@@ -89,18 +88,6 @@ func runTestCCUpgrade(t *testing.T) *kit.TestFullNode {
 	return client
 }
 
-func waitForDeadline(ctx context.Context, t *testing.T, waitIdx uint64, node *kit.TestFullNode, maddr address.Address) {
-	for {
-		ts, err := node.ChainHead(ctx)
-		require.NoError(t, err)
-		dl, err := node.StateMinerProvingDeadline(ctx, maddr, ts.Key())
-		require.NoError(t, err)
-		if dl.Index == waitIdx {
-			return
-		}
-	}
-}
-
 func waitForSectorActive(ctx context.Context, t *testing.T, sn abi.SectorNumber, node *kit.TestFullNode, maddr address.Address) {
 	for {
 		active, err := node.StateMinerActiveSectors(ctx, maddr, types.EmptyTSK)
@@ -116,18 +103,6 @@ func waitForSectorActive(ctx context.Context, t *testing.T, sn abi.SectorNumber,
 	}
 }
 
-func waitForSectorStartUpgrade(ctx context.Context, t *testing.T, sn abi.SectorNumber, miner *kit.TestMiner) {
-	for {
-		si, err := miner.StorageMiner.SectorsStatus(ctx, sn, false)
-		require.NoError(t, err)
-		if si.State != api.SectorState("Proving") {
-			t.Logf("Done proving sector in state: %s", si.State)
-			return
-		}
-
-	}
-}
-
 func TestCCUpgradeAndPoSt(t *testing.T) {
 	kit.QuietMiningLogs()
 	t.Run("upgrade and then post", func(t *testing.T) {
@@ -148,13 +123,13 @@ func TestCCUpgradeAndPoSt(t *testing.T) {
 	})
 }
 
-func TestTooManyMarkedForUpgrade(t *testing.T) {
+func TestAbortUpgradeAvailable(t *testing.T) {
 	kit.QuietMiningLogs()
 
 	ctx := context.Background()
 	blockTime := 1 * time.Millisecond
 
-	client, miner, ens := kit.EnsembleMinimal(t, kit.GenesisNetworkVersion(network.Version15))
+	client, miner, ens := kit.EnsembleMinimal(t, kit.GenesisNetworkVersion(network.Version15), kit.ThroughRPC())
 	ens.InterconnectAll().BeginMiningMustPost(blockTime)
 
 	maddr, err := miner.ActorAddress(ctx)
@@ -163,32 +138,53 @@ func TestTooManyMarkedForUpgrade(t *testing.T) {
 	}
 
 	CCUpgrade := abi.SectorNumber(kit.DefaultPresealsPerBootstrapMiner + 1)
-	waitForDeadline(ctx, t, 1, client, maddr)
-	miner.PledgeSectors(ctx, 3, 0, nil)
+	fmt.Printf("CCUpgrade: %d\n", CCUpgrade)
 
+	miner.PledgeSectors(ctx, 1, 0, nil)
 	sl, err := miner.SectorsList(ctx)
 	require.NoError(t, err)
-	require.Len(t, sl, 3, "expected 3 sectors")
-
+	require.Len(t, sl, 1, "expected 1 sector")
+	require.Equal(t, CCUpgrade, sl[0], "unexpected sector number")
 	{
 		si, err := client.StateSectorGetInfo(ctx, maddr, CCUpgrade, types.EmptyTSK)
 		require.NoError(t, err)
 		require.Less(t, 50000, int(si.Expiration))
 	}
-
 	waitForSectorActive(ctx, t, CCUpgrade, client, maddr)
-	waitForSectorActive(ctx, t, CCUpgrade+1, client, maddr)
-	waitForSectorActive(ctx, t, CCUpgrade+2, client, maddr)
 
-	err = miner.SectorMarkForUpgrade(ctx, CCUpgrade, true)
-	require.NoError(t, err)
-	err = miner.SectorMarkForUpgrade(ctx, CCUpgrade+1, true)
+	err = miner.SectorMarkForUpgrade(ctx, sl[0], true)
 	require.NoError(t, err)
 
-	waitForSectorStartUpgrade(ctx, t, CCUpgrade, miner)
-	waitForSectorStartUpgrade(ctx, t, CCUpgrade+1, miner)
+	sl, err = miner.SectorsList(ctx)
+	require.NoError(t, err)
+	require.Len(t, sl, 1, "expected 1 sector")
 
-	err = miner.SectorMarkForUpgrade(ctx, CCUpgrade+2, true)
-	require.Error(t, err)
-	assert.Contains(t, err.Error(), "no free resources to wait for deals")
+	ss, err := miner.SectorsStatus(ctx, sl[0], false)
+	require.NoError(t, err)
+
+	for i := 0; i < 100; i++ {
+		ss, err = miner.SectorsStatus(ctx, sl[0], false)
+		require.NoError(t, err)
+		if ss.State == api.SectorState(sealing.Proving) {
+			time.Sleep(50 * time.Millisecond)
+			continue
+		}
+
+		require.Equal(t, api.SectorState(sealing.Available), ss.State)
+		break
+	}
+
+	require.NoError(t, miner.SectorAbortUpgrade(ctx, sl[0]))
+
+	for i := 0; i < 100; i++ {
+		ss, err = miner.SectorsStatus(ctx, sl[0], false)
+		require.NoError(t, err)
+		if ss.State == api.SectorState(sealing.Available) {
+			time.Sleep(50 * time.Millisecond)
+			continue
+		}
+
+		require.Equal(t, api.SectorState(sealing.Proving), ss.State)
+		break
+	}
 }
diff --git a/itests/kit/log.go b/itests/kit/log.go
index 3dce3af9d..4ec610baf 100644
--- a/itests/kit/log.go
+++ b/itests/kit/log.go
@@ -15,5 +15,6 @@ func QuietMiningLogs() {
 	_ = logging.SetLogLevel("storageminer", "ERROR")
 	_ = logging.SetLogLevel("pubsub", "ERROR")
 	_ = logging.SetLogLevel("gen", "ERROR")
+	_ = logging.SetLogLevel("rpc", "ERROR")
 	_ = logging.SetLogLevel("dht/RtRefreshManager", "ERROR")
 }
diff --git a/node/config/doc_gen.go b/node/config/doc_gen.go
index edb4cf892..972c196f7 100644
--- a/node/config/doc_gen.go
+++ b/node/config/doc_gen.go
@@ -750,6 +750,12 @@ avoid the relatively high cost of unsealing the data later, at the cost of more
 
 			Comment: `Run sector finalization before submitting sector proof to the chain`,
 		},
+		{
+			Name: "MakeCCSectorsAvailable",
+			Type: "bool",
+
+			Comment: `After sealing CC sectors, make them available for upgrading with deals`,
+		},
 		{
 			Name: "CollateralFromMinerBalance",
 			Type: "bool",
diff --git a/node/config/types.go b/node/config/types.go
index 8320aea7e..2e9357993 100644
--- a/node/config/types.go
+++ b/node/config/types.go
@@ -250,6 +250,9 @@ type SealingConfig struct {
 	// Run sector finalization before submitting sector proof to the chain
 	FinalizeEarly bool
 
+	// After sealing CC sectors, make them available for upgrading with deals
+	MakeCCSectorsAvailable bool
+
 	// Whether to use available miner balance for sector collateral instead of sending it with each message
 	CollateralFromMinerBalance bool
 	// Minimum available balance to keep in the miner actor before sending it with messages
diff --git a/node/modules/storageminer.go b/node/modules/storageminer.go
index bd21ee746..05d41a427 100644
--- a/node/modules/storageminer.go
+++ b/node/modules/storageminer.go
@@ -897,6 +897,7 @@ func NewSetSealConfigFunc(r repo.LockedRepo) (dtypes.SetSealingConfigFunc, error
 				MaxSealingSectorsForDeals:       cfg.MaxSealingSectorsForDeals,
 				CommittedCapacitySectorLifetime: config.Duration(cfg.CommittedCapacitySectorLifetime),
 				WaitDealsDelay:                  config.Duration(cfg.WaitDealsDelay),
+				MakeCCSectorsAvailable:          cfg.MakeCCSectorsAvailable,
 				AlwaysKeepUnsealedCopy:          cfg.AlwaysKeepUnsealedCopy,
 				FinalizeEarly:                   cfg.FinalizeEarly,
 
@@ -935,6 +936,7 @@ func ToSealingConfig(cfg *config.StorageMiner) sealiface.Config {
 		MakeNewSectorForDeals:           cfg.Dealmaking.MakeNewSectorForDeals,
 		CommittedCapacitySectorLifetime: time.Duration(cfg.Sealing.CommittedCapacitySectorLifetime),
 		WaitDealsDelay:                  time.Duration(cfg.Sealing.WaitDealsDelay),
+		MakeCCSectorsAvailable:          cfg.Sealing.MakeCCSectorsAvailable,
 		AlwaysKeepUnsealedCopy:          cfg.Sealing.AlwaysKeepUnsealedCopy,
 		FinalizeEarly:                   cfg.Sealing.FinalizeEarly,
 
diff --git a/storage/adapter_storage_miner.go b/storage/adapter_storage_miner.go
index 01ff9d8d3..d976d9aa2 100644
--- a/storage/adapter_storage_miner.go
+++ b/storage/adapter_storage_miner.go
@@ -9,6 +9,7 @@ import (
 	"golang.org/x/xerrors"
 
 	"github.com/filecoin-project/go-address"
+	"github.com/filecoin-project/go-bitfield"
 	"github.com/filecoin-project/go-state-types/abi"
 	"github.com/filecoin-project/go-state-types/big"
 	"github.com/filecoin-project/go-state-types/crypto"
@@ -112,13 +113,25 @@ func (s SealingAPIAdapter) StateMinerSectorAllocated(ctx context.Context, maddr
 	return s.delegate.StateMinerSectorAllocated(ctx, maddr, sid, tsk)
 }
 
-func (s SealingAPIAdapter) StateMinerActiveSectors(ctx context.Context, maddr address.Address, tok sealing.TipSetToken) ([]*miner.SectorOnChainInfo, error) {
+func (s SealingAPIAdapter) StateMinerActiveSectors(ctx context.Context, maddr address.Address, tok sealing.TipSetToken) (bitfield.BitField, error) {
 	tsk, err := types.TipSetKeyFromBytes(tok)
 	if err != nil {
-		return nil, xerrors.Errorf("faile dto unmarshal TipSetToken to TipSetKey: %w", err)
+		return bitfield.BitField{}, xerrors.Errorf("failed to unmarshal TipSetToken to TipSetKey: %w", err)
 	}
 
-	return s.delegate.StateMinerActiveSectors(ctx, maddr, tsk)
+	act, err := s.delegate.StateGetActor(ctx, maddr, tsk)
+	if err != nil {
+		return bitfield.BitField{}, xerrors.Errorf("getting miner actor: temp error: %+v", err)
+	}
+
+	stor := store.ActorStore(ctx, blockstore.NewAPIBlockstore(s.delegate))
+
+	state, err := miner.Load(stor, act)
+	if err != nil {
+		return bitfield.BitField{}, xerrors.Errorf("loading miner state: %+v", err)
+	}
+
+	return miner.AllPartSectors(state, miner.Partition.ActiveSectors)
 }
 
 func (s SealingAPIAdapter) StateWaitMsg(ctx context.Context, mcid cid.Cid) (sealing.MsgLookup, error) {