All of lore.kernel.org
 help / color / mirror / Atom feed
From: Wols Lists <antlists@youngman.org.uk>
To: Gandalf Corvotempesta <gandalf.corvotempesta@gmail.com>,
	linux-raid@vger.kernel.org
Subject: Re: component device mismatches found
Date: Sun, 19 Mar 2017 10:21:45 +0000	[thread overview]
Message-ID: <58CE5BB9.3090908@youngman.org.uk> (raw)
In-Reply-To: <CAJH6TXgA-5-PXmFdY7b1J8eYc3zbmb7ui8Fa8k+ihMKd7nQ8vw@mail.gmail.com>

On 19/03/17 10:00, Gandalf Corvotempesta wrote:
> I've seen this in my log:
> 
> Mar 19 00:57:01 x /USR/SBIN/CRON[17832]: (root) CMD (if [ -x
> /usr/share/mdadm/checkarray ]; then /usr/share/mdadm/checkarray --cron
> --all --idle --quiet; fi)
> Mar 19 00:57:01 x mdadm[1576]: RebuildStarted event detected on md
> device /dev/md/0
> Mar 19 01:30:21 x mdadm[1576]: Rebuild24 event detected on md device /dev/md/0
> Mar 19 02:03:41 x mdadm[1576]: Rebuild47 event detected on md device /dev/md/0
> Mar 19 02:37:02 x mdadm[1576]: Rebuild68 event detected on md device /dev/md/0
> Mar 19 03:10:22 x mdadm[1576]: Rebuild87 event detected on md device /dev/md/0
> Mar 19 03:38:00 x mdadm[1576]: RebuildFinished event detected on md
> device /dev/md/0, component device  mismatches found: 4608
> 
> This is a 3way mirror.
> 
> I've tought that swap was the culpit, but swap isn't used:
> 
> # free -m
>              total       used       free     shared    buffers     cached
> Mem:         32230      31844        386          0       1679      26026
> -/+ buffers/cache:       4137      28092
> Swap:         8191          0       8191
> 
> and IIRC, linux never clean the swap usage up to 0.
> 
> Are my data safe ? Is something to be worried about ?

mdadm --detail /dev/md/0

I think we need a bit more info - it's not ringing any alarm bells for
me, but I'm not an expert.

Cheers,
Wol

  reply	other threads:[~2017-03-19 10:21 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-03-19 10:00 component device mismatches found Gandalf Corvotempesta
2017-03-19 10:21 ` Wols Lists [this message]
     [not found]   ` <CAJH6TXhYYuh3v8FDDUisCpTZqVJ3WHEb_W0Ky=jkQHm1Y-fR4w@mail.gmail.com>
2017-03-19 10:42     ` Fwd: " Gandalf Corvotempesta

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=58CE5BB9.3090908@youngman.org.uk \
    --to=antlists@youngman.org.uk \
    --cc=gandalf.corvotempesta@gmail.com \
    --cc=linux-raid@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.