diff --git a/sos/report/plugins/block.py b/sos/report/plugins/block.py
index 621c6010e6..91f47133de 100644
--- a/sos/report/plugins/block.py
+++ b/sos/report/plugins/block.py
@@ -19,6 +19,8 @@ class Block(Plugin, IndependentPlugin):
     files = ('/sys/block',)
 
     def setup(self):
+        _subdir1 = "udevadm_block"
+        _subdir2 = "fdisk_parted"
         self.add_forbidden_path("/sys/block/*/queue/iosched")
 
         self.add_file_tags({
@@ -50,14 +52,21 @@ def setup(self):
             "/sys/block/loop*/loop/",
         ])
 
-        cmds = [
-            "parted -s %(dev)s unit s print",
+        udevadm_cmds = [
             "udevadm info %(dev)s",
             "udevadm info -a %(dev)s"
         ]
-        self.add_device_cmd(cmds, devices='block', blacklist='ram.*')
+
+        parted_cmds = [
+            "parted -s %(dev)s unit s print"
+        ]
+
+        self.add_device_cmd(udevadm_cmds, devices='block', blacklist='ram.*',
+                            subdir=_subdir1)
+        self.add_device_cmd(parted_cmds, devices='block', blacklist='ram.*',
+                            subdir=_subdir2)
         self.add_device_cmd("fdisk -l %(dev)s", blacklist="ram.*",
-                            devices="block", tags="fdisk_l_sos")
+                            devices="block", tags="fdisk_l_sos", subdir=_subdir2)
 
         lsblk = self.collect_cmd_output("lsblk -f -a -l")
         # for LUKS devices, collect cryptsetup luksDump
diff --git a/sos/report/plugins/nvme.py b/sos/report/plugins/nvme.py
index 271cf31440..04e0c05bbf 100644
--- a/sos/report/plugins/nvme.py
+++ b/sos/report/plugins/nvme.py
@@ -26,6 +26,7 @@ class Nvme(Plugin, IndependentPlugin):
     kernel_mods = ('nvme', 'nvme_core')
 
     def setup(self):
+        _subdir = "smart_ns_ctrl_fw_error_regs"
         self.add_copy_spec("/etc/nvme/*")
         self.add_cmd_output([
             "nvme list",
@@ -44,6 +45,7 @@ def setup(self):
             "nvme error-log %(dev)s",
             "nvme show-regs %(dev)s"
         ]
-        self.add_device_cmd(cmds, devices='block', whitelist='nvme.*')
+        self.add_device_cmd(cmds, devices='block', whitelist='nvme.*',
+                            subdir=_subdir)
 
 # vim: set et ts=4 sw=4 :
diff --git a/sos/report/plugins/scsi.py b/sos/report/plugins/scsi.py
index 1589c20ac7..2f92a3f5e8 100644
--- a/sos/report/plugins/scsi.py
+++ b/sos/report/plugins/scsi.py
@@ -29,6 +29,8 @@ class Scsi(Plugin, IndependentPlugin):
     profiles = ('storage', 'hardware')
 
     def setup(self):
+        _subdir1 = "udevadm_scsi"
+        _subdir2 = "sg_persists_inq"
         self.add_copy_spec([
             "/proc/scsi",
             "/etc/stinit.def",
@@ -62,13 +64,14 @@ def setup(self):
         ])
 
         scsi_hosts = glob("/sys/class/scsi_host/*")
-        self.add_device_cmd("udevadm info -a %(dev)s", devices=scsi_hosts)
+        self.add_device_cmd("udevadm info -a %(dev)s",
+                            devices=scsi_hosts, subdir=_subdir1)
 
         self.add_device_cmd([
             "sg_persist --in -k -d %(dev)s",
             "sg_persist --in -r -d %(dev)s",
             "sg_persist --in -s -d %(dev)s",
             "sg_inq %(dev)s"
-        ], devices='block', whitelist=['sd.*'])
+        ], devices='block', whitelist=['sd.*'], subdir=_subdir2)
 
 # vim: set et ts=4 sw=4 :