Differences

This shows you the differences between two versions of the page.

--- raid [2009/09/29 15:01] – 172.26.0.166
+++ raid [2009/09/30 05:09] – 172.26.0.166
@@ Line 18: / Line 18: @@
 /dev/md3 on /boot type ext3 (rw)
 /dev/md2 on /scratch type ext3 (rw)
-/dev/md1 on /export type ext3 (rw)</code>
+/dev/md1 on /export type ext3 (rw)
+# df -h | grep md
+/dev/md0               29G   11G   17G  39% /
+/dev/md3              190M   60M  121M  34% /boot
+/dev/md2               35G  177M   33G   1% /scratch
+/dev/md1               25G  5.5G   18G  24% /export</code>
 It should be noted that ''/dev/md4'' is being used as swap:
@@ Line 77: / Line 82: @@
 Rebuild the degraded array:
 <code>maint rebuild c1 u2 p5</code>
-Check the status of the rebuild by monitoring ''/c1 show''
+Check the status of the rebuild by monitoring ''/c1 show'', but I have a feeling this might disturb the rebuild process.  In any case, you can check the status by following the output of ''dmesg'':
+<file>3w-9xxx: scsi1: AEN: INFO (0x04:0x000B): Rebuild started:unit=2.
+w-9xxx: scsi1: AEN: INFO (0x04:0x0005): Background rebuild done:unit=2.</file>
+This sucks:
+<file>3w-9xxx: scsi1: AEN: INFO (0x04:0x0029): Background verify started:unit=0.
+w-9xxx: scsi1: AEN: INFO (0x04:0x002B): Background verify done:unit=0.
+w-9xxx: scsi1: AEN: ERROR (0x04:0x0002): Degraded unit detected:unit=0, port=3</file>
+<code>$ sudo tw_cli
+Password:
+//hpc-ilri> /c1 show
+Unit  UnitType  Status         %RCmpl  %V/I/M  Stripe  Size(GB)  Cache  AVrfy
+------------------------------------------------------------------------------
+u0    RAID-5    DEGRADED       -       -       64K     698.461   ON     OFF
+u1    RAID-5    OK             -       -       64K     698.461   ON     OFF
+u2    RAID-5    OK             -       -       64K     698.461   ON     OFF
+Port   Status           Unit   Size        Blocks        Serial
+---------------------------------------------------------------
+p0     OK               u0     232.88 GB   488397168     WD-WMAEP2714804
+p1     OK               u0     232.88 GB   488397168     WD-WMAEP1570106
+p2     OK               u0     232.88 GB   488397168     WD-WMAEP2712887
+p3     DEGRADED         u0     232.88 GB   488397168     WD-WMAEP2714418
+p4     OK               u2     232.88 GB   488397168     WD-WCAT1C715001
+p5     OK               u2     232.88 GB   488397168     WD-WMAEP2713449
+p6     OK               u2     232.88 GB   488397168     WD-WMAEP2715070
+p7     OK               u2     232.88 GB   488397168     WD-WMAEP2712590
+p8     OK               u1     232.88 GB   488397168     WD-WMAEP2712574
+p9     OK               u1     232.88 GB   488397168     WD-WMAEP2734142
+p10    OK               u1     232.88 GB   488397168     WD-WMAEP2702155
+p11    OK               u1     232.88 GB   488397168     WD-WMAEP2712472  </code>
+Looks like another drive failed.