Mailinglist Archive: opensuse (878 mails)

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Re: [opensuse] DegradedArray event
  • From: Roger Oberholtzer <roger@xxxxxx>
  • Date: Fri, 06 Sep 2013 16:30:19 +0200
  • Message-id: <1581628.ZD9cVIVSpT@acme>
Seems there was a bad cable that caused one disk to get this status. I
replaced the cable and redid the RAID/LVM. The LVM is mounted. Next step is to
see that there are no complaints. I guess I will do something that does lots
of disk activity to see that there is no complaint.

On Thursday, September 05, 2013 08:05:21 AM Per Jessen wrote:
Roger Oberholtzer wrote:
On an openSUSE 12.3 system, I have started getting the following:

This is an automatically generated mail message from mdadm running on

A DegradedArray event had been detected on md device /dev/md127.

Faithfully yours, etc.

P.S. The /proc/mdstat file currently contains the following:

Personalities : [raid1]
md127 : active raid1 sdf1[0]

1953513280 blocks super 1.0 [2/1] [U_]
bitmap: 15/15 pages [60KB], 65536KB chunk

Was the system rebooted after which you started receiving these
messages? I suspect the md startup found superblock data on sdf1,
which caused the automatic creation of md127 (notice the odd number)
with only a single drive and no mention of a second one. It's a RAID1
array with only one drive, hence degraded.
Yours sincerely,

Roger Oberholtzer

Ramböll RST / Systems

Office: Int +46 10-615 60 20
Mobile: Int +46 70-815 1696

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