fix: deletes newly created volumes (#4551)

https://github.com/seaweedfs/seaweedfs/issues/4531

Co-authored-by: Konstantin Lebedev <9497591+kmlebedev@users.noreply.github.co>

weed/shell/command_volume_delete_empty.go

@@ -57,7 +57,7 @@ func (c *commandVolumeDeleteEmpty) Do(args []string, commandEnv *CommandEnv, wri
 	eachDataNode(topologyInfo, func(dc string, rack RackId, dn *master_pb.DataNodeInfo) {
 		for _, diskInfo := range dn.DiskInfos {
 			for _, v := range diskInfo.VolumeInfos {
-				if v.Size <= 8 && v.ModifiedAtSecond+quietSeconds < nowUnixSeconds {
+				if v.Size <= 8 && v.ModifiedAtSecond > 0 && v.ModifiedAtSecond+quietSeconds < nowUnixSeconds {
 					if *applyBalancing {
 						log.Printf("deleting empty volume %d from %s", v.Id, dn.Id)
 						if deleteErr := deleteVolume(commandEnv.option.GrpcDialOption, needle.VolumeId(v.Id), pb.NewServerAddressFromDataNode(dn)); deleteErr != nil {

weed/topology/volume_growth.go

@@ -6,6 +6,7 @@ import (
 	"github.com/seaweedfs/seaweedfs/weed/pb/master_pb"
 	"math/rand"
 	"sync"
+	"time"
 
 	"google.golang.org/grpc"
 
@@ -240,6 +241,7 @@ func (vg *VolumeGrowth) grow(grpcDialOption grpc.DialOption, topo *Topology, vid
 				Ttl:              option.Ttl,
 				Version:          needle.CurrentVersion,
 				DiskType:         option.DiskType.String(),
+				ModifiedAtSecond: time.Now().Unix(),
 			})
 			glog.V(0).Infof("Created Volume %d on %s", vid, server.NodeImpl.String())
 		} else {