Differences

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--- raid:mdadm:growing_an_array [2021/09/14 17:29] – peter
+++ raid:mdadm:growing_an_array [2021/09/14 17:34] (current) – peter
@@ Line 122: / Line 122: @@
 <code bash>
 Filesystem            Size  Used Avail Use% Mounted on
-/dev/sda2             7.9G  2.9G  4.7G  39% /
+...
-tmpfs                 499M     0  499M   0% /dev/shm
-/dev/sda1             194M   25M  159M  14% /boot
 /dev/md0              5.0G   70M  4.7G   2% /mnt/md0
 </code>
-----
-===== Result =====
-<WRAP info>
-**NOTE:**  The disk failure has been dealt with.
-  * The original 4-disk RAID has been changed to a 5-disk array.
-  * The RAID size has been increased too, without ever bringing the file system offline.
-    * There could be VMs or any other data running on the RAID during any of these procedures.
-</WRAP>
 ----
@@ Line 156: / Line 141: @@
   Creation Time : Tue Sep  6 18:31:41 2011
      Raid Level : raid6
-     Array Size : 3144192 (3.00 GiB 3.22 GB)
+     Array Size : 5240320 (5.00 GiB 5.37 GB)
   Used Dev Size : 1048064 (1023.67 MiB 1073.22 MB)
    Raid Devices : 7
@@ Line 162: / Line 147: @@
     Persistence : Superblock is persistent
-    Update Time : Thu Sep  8 18:58:53 2011
+    Update Time : Thu Sep  8 19:01:15 2011
-          State : clean, recovering
+          State : clean
  Active Devices : 7
 Working Devices : 7
@@ Line 171: / Line 156: @@
          Layout : left-symmetric
      Chunk Size : 512K
- Reshape Status : 7% complete
-  Delta Devices : 2, (5->7)
            Name : raidtest.loc:0  (local to host raidtest.loc)
            UUID : e0748cf9:be2ca997:0bc183a6:ba2c9ebf
-         Events : 2073
+         Events : 2089
     Number   Major   Minor   RaidDevice State
@@ Line 189: / Line 171: @@
 </code>
-and (later)
+<WRAP info>
+**NOTE:**  The RAID size has been increased, without ever bringing the file system offline.
+  * There could be VMs or any other data running on the RAID during any of these procedures.
-<code bash>
+</WRAP>
-mdadm --detail /dev/md0
-</code>
-returns:
+----
-<code bash>
-/dev/md0:
-        Version : 1.2
-  Creation Time : Tue Sep  6 18:31:41 2011
-     Raid Level : raid6
-     Array Size : 5240320 (5.00 GiB 5.37 GB)
-  Used Dev Size : 1048064 (1023.67 MiB 1073.22 MB)
-   Raid Devices : 7
-  Total Devices : 7
-    Persistence : Superblock is persistent
-    Update Time : Thu Sep  8 19:01:15 2011
-          State : clean
- Active Devices : 7
-Working Devices : 7
- Failed Devices : 0
-  Spare Devices : 0
-         Layout : left-symmetric
-     Chunk Size : 512K
-           Name : raidtest.loc:0  (local to host raidtest.loc)
-           UUID : e0748cf9:be2ca997:0bc183a6:ba2c9ebf
-         Events : 2089
-    Number   Major   Minor   RaidDevice State
-       8       16        0      active sync   /dev/sdb
-       8       32        1      active sync   /dev/sdc
-       8       48        2      active sync   /dev/sdd
-       8       64        3      active sync   /dev/sde
-       8       80        4      active sync   /dev/sdf
-       8      112        5      active sync   /dev/sdh
-       8       96        6      active sync   /dev/sdg
-</code>