ADHOC: volume fsck using append at ns (#3906)

* ADHOC: volume fsck using append at ns

* nit

* nit

Co-authored-by: root <root@HQ-10MSTD3EY.roblox.local>

weed/pb/master_pb/master.pb.go

@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.26.0
-// 	protoc        v3.17.3
+// 	protoc-gen-go v1.28.1
+// 	protoc        v3.21.4
 // source: master.proto
 
 package master_pb
@@ -1611,9 +1611,7 @@ func (x *StatisticsResponse) GetFileCount() uint64 {
 	return 0
 }
 
-//
 // collection related
-//
 type Collection struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -1848,9 +1846,7 @@ func (*CollectionDeleteResponse) Descriptor() ([]byte, []int) {
 	return file_master_proto_rawDescGZIP(), []int{23}
 }
 
-//
 // volume related
-//
 type DiskInfo struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache