Changes between Version 3 and Version 4 of LSIraid

Timestamp:

03/09/21 17:56:08 (3 years ago)

Author:

niles

Comment:

--

LSIraid

@@ -209 +209 @@
 ----------------------------------------------------------
 
+}}}
 
 It looks like these LSI controllers will remove failed drives from that RAID automatically, as compared to
 the 3ware controllers, where you have to do it by hand.
 
-}}}
+When new drives are put in to replace failed drives, the LSI controllers will, y default, do a "copyback".
+This involves copying data around so that the disks in the slots that were previously the Designated Hot Spares (DHS)
+are again the DHS drives for the RAID. During the "copyback" process, the RAID status may look, in part, like :
+
+{{{
+37:5     41 Onln    0 7.276 TB SATA HDD N   N  512B ST8000VN0022-2EL112 U  -    
+37:6     44 Onln    0 7.276 TB SATA HDD N   N  512B ST8000VN0022-2EL112 U  -    
+37:7     39 Onln    0 7.276 TB SATA HDD N   N  512B ST8000VN0022-2EL112 U  -    
+37:8     50 Onln    0 7.276 TB SATA HDD N   N  512B ST8000VN0022-2EL112 U  -    
+37:9     49 Onln    0 7.276 TB SATA HDD N   N  512B ST8000VN0022-2EL112 U  -    
+37:10    55 Onln    0 7.276 TB SATA HDD N   N  512B ST8000VN0022-2EL112 U  -    
+37:11    54 Cpybck  - 7.276 TB SATA HDD N   N  512B ST8000VN004-2M2101  U  -    
+37:12    45 Onln    0 7.276 TB SATA HDD N   N  512B ST8000VN0022-2EL112 U  -    
+37:13    58 Onln    0 7.276 TB SATA HDD N   N  512B ST8000VN0022-2EL112 U  -    
+37:14    46 Onln    0 7.276 TB SATA HDD N   N  512B ST8000VN0022-2EL112 U  -    
+37:15    57 Cpybck  - 7.276 TB SATA HDD N   N  512B ST8000VN004-2M2101  U  -    
+37:16    51 Onln    0 7.276 TB SATA HDD N   N  512B ST8000VN0022-2EL112 U  -    
+37:17    52 Onln    0 7.276 TB SATA HDD N   N  512B ST8000VN0022-2EL112 U  -    
+37:18    53 Onln    0 7.276 TB SATA HDD N   N  512B ST8000VN0022-2EL112 U  -   
+}}}
+
+The "Copyback" feature can be turned off, but it is the default.