diff --git a/weed/command/benchmark.go b/weed/command/benchmark.go
index 04f5b82e7..9a66083f1 100644
--- a/weed/command/benchmark.go
+++ b/weed/command/benchmark.go
@@ -63,7 +63,7 @@ func init() {
 	b.sequentialRead = cmdBenchmark.Flag.Bool("readSequentially", false, "randomly read by ids from \"-list\" specified file")
 	b.collection = cmdBenchmark.Flag.String("collection", "benchmark", "write data to this collection")
 	b.replication = cmdBenchmark.Flag.String("replication", "000", "replication type")
-	b.diskType = cmdBenchmark.Flag.String("diskType", "", "[hdd|ssd] choose between hard drive or solid state drive")
+	b.diskType = cmdBenchmark.Flag.String("disk", "", "[hdd|ssd] choose between hard drive or solid state drive")
 	b.cpuprofile = cmdBenchmark.Flag.String("cpuprofile", "", "cpu profile output file")
 	b.maxCpu = cmdBenchmark.Flag.Int("maxCpu", 0, "maximum number of CPUs. 0 means all available CPUs")
 	b.fsync = cmdBenchmark.Flag.Bool("fsync", false, "flush data to disk after write")
diff --git a/weed/command/mount.go b/weed/command/mount.go
index 6a11fe327..dc0bb5488 100644
--- a/weed/command/mount.go
+++ b/weed/command/mount.go
@@ -42,7 +42,7 @@ func init() {
 	mountOptions.dirAutoCreate = cmdMount.Flag.Bool("dirAutoCreate", false, "auto create the directory to mount to")
 	mountOptions.collection = cmdMount.Flag.String("collection", "", "collection to create the files")
 	mountOptions.replication = cmdMount.Flag.String("replication", "", "replication(e.g. 000, 001) to create to files. If empty, let filer decide.")
-	mountOptions.diskType = cmdMount.Flag.String("diskType", "", "[hdd|ssd] choose between hard drive or solid state drive")
+	mountOptions.diskType = cmdMount.Flag.String("disk", "", "[hdd|ssd] choose between hard drive or solid state drive")
 	mountOptions.ttlSec = cmdMount.Flag.Int("ttl", 0, "file ttl in seconds")
 	mountOptions.chunkSizeLimitMB = cmdMount.Flag.Int("chunkSizeLimitMB", 2, "local write buffer size, also chunk large files")
 	mountOptions.concurrentWriters = cmdMount.Flag.Int("concurrentWriters", 0, "limit concurrent goroutine writers if not 0")
diff --git a/weed/command/server.go b/weed/command/server.go
index 7e63f8e8a..2d880c599 100644
--- a/weed/command/server.go
+++ b/weed/command/server.go
@@ -99,6 +99,7 @@ func init() {
 	serverOptions.v.port = cmdServer.Flag.Int("volume.port", 8080, "volume server http listen port")
 	serverOptions.v.publicPort = cmdServer.Flag.Int("volume.port.public", 0, "volume server public port")
 	serverOptions.v.indexType = cmdServer.Flag.String("volume.index", "memory", "Choose [memory|leveldb|leveldbMedium|leveldbLarge] mode for memory~performance balance.")
+	serverOptions.v.diskType = cmdServer.Flag.String("volume.disk", "", "[hdd|ssd] choose between hard drive or solid state drive")
 	serverOptions.v.fixJpgOrientation = cmdServer.Flag.Bool("volume.images.fix.orientation", false, "Adjust jpg orientation when uploading.")
 	serverOptions.v.readRedirect = cmdServer.Flag.Bool("volume.read.redirect", true, "Redirect moved or non-local volumes.")
 	serverOptions.v.compactionMBPerSecond = cmdServer.Flag.Int("volume.compactionMBps", 0, "limit compaction speed in mega bytes per second")
diff --git a/weed/replication/sink/filersink/filer_sink.go b/weed/replication/sink/filersink/filer_sink.go
index ae257e446..579883d62 100644
--- a/weed/replication/sink/filersink/filer_sink.go
+++ b/weed/replication/sink/filersink/filer_sink.go
@@ -47,7 +47,7 @@ func (fs *FilerSink) Initialize(configuration util.Configuration, prefix string)
 		configuration.GetString(prefix+"replication"),
 		configuration.GetString(prefix+"collection"),
 		configuration.GetInt(prefix+"ttlSec"),
-		configuration.GetString(prefix+"diskType"),
+		configuration.GetString(prefix+"disk"),
 		security.LoadClientTLS(util.GetViper(), "grpc.client"))
 }
 
diff --git a/weed/server/filer_server_handlers_write.go b/weed/server/filer_server_handlers_write.go
index c8a05b1d4..5d3f2be62 100644
--- a/weed/server/filer_server_handlers_write.go
+++ b/weed/server/filer_server_handlers_write.go
@@ -61,7 +61,7 @@ func (fs *FilerServer) PostHandler(w http.ResponseWriter, r *http.Request) {
 		query.Get("collection"),
 		query.Get("replication"),
 		query.Get("ttl"),
-		query.Get("diskType"),
+		query.Get("disk"),
 		query.Get("dataCenter"),
 		query.Get("rack"),
 	)