[vdo] Capture more information about vdo volumes

Capture more information about vdo volumes Related: VDO-5797 Signed-off-by: Jose Castillo <[email protected]>
pmoravec · Oct 11, 2024 · 5cafeee · 5cafeee
1 parent 4b17f9f
commit 5cafeee
Showing 1 changed file with 27 additions and 1 deletion.
diff --git a/sos/report/plugins/vdo.py b/sos/report/plugins/vdo.py
@@ -28,6 +28,32 @@ def setup(self):
         vdos = self.collect_cmd_output('vdo list --all')
         for vdo in vdos['output'].splitlines():
             self.add_cmd_output(f"vdo status -n {vdo}")
-        self.add_cmd_output('vdostats --human-readable')
+        self.add_cmd_output([
+            'vdostats --human-readable',
+            'vdostats --verbose',
+        ])
+        vdo_cols1 = ('vdo_slab_size,vdo_header_size,vdo_minimum_io_size,'
+                     'vdo_block_map_cache_size,vdo_block_map_era_length,'
+                     'vdo_write_policy,vdo_max_discard')
+
+        vdo_cols2 = ('vdo_ack_threads,vdo_bio_rotation,vdo_bio_threads,'
+                     'vdo_cpu_threads,vdo_hash_zone_threads,'
+                     'vdo_logical_threads,vdo_physical_threads')
+        vdo_cols3 = ('vdo_compression,vdo_deduplication,'
+                     'vdo_use_metadata_hints,vdo_use_sparse_index,'
+                     'vdo_index_state,vdo_index_memory_size')
+        self.add_cmd_output([f"lvs -a -o +{cols}"
+                             for cols in [vdo_cols1, vdo_cols2]])
+        lvm_vdos = self.collect_cmd_output(f"lvs -a -o +{vdo_cols3}")
+        if lvm_vdos['status'] == 0:
+            for vdo in lvm_vdos['output'].splitlines():
+                # we can find the pool and pool data maps in the output
+                # of lvs, in the column Volume type, marked as 'D'
+                lv, vg, lv_attr = vdo.split()[:3]
+                if lv_attr.startswith("D"):
+                    vdo_path = f"{vg}-{lv.strip('[]')}"
+                    self.add_cmd_output(
+                        f"vdodumpconfig /dev/mapper/{vdo_path}"
+                    )
 
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