Author Archives: Julien

(Français) Décodage des signaux sur 10.100Mhz

Posted on Friday May 24th, 2013 by Julien

Numeric modulation can be heard over Europe and maybe more on 10.100Mhz

Posted in Non classé, Radio | Leave a comment

NetApp AutoSupport message: BATTERY LOW WARNING / BUG 536445

Posted on Tuesday November 6th, 2012 by Julien

Message autosupport : Sun Nov 4 01:00:32 CET [FILERXXX: asup.smtp.sent:notice]: Cluster Notification mail sent: Cluster Notification from FILERXXX (BATTERY_LOW) WARNING Sun Nov 4 01:00:45 CET [FILERXXX: asup.post.sent:notice]: Cluster Notification message posted to NetApp: Cluster Notification from FILERXXX (BATTERY_LOW) WARNING

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Arduino / PCM Audio : Change PIN used by the speaker

Posted on Thursday October 25th, 2012 by Julien

Using the libraby provided here : http://www.arduino.cc/playground/Code/PCMAudio It’s possible to play pcm audio with 16kbps bitrate and 8khz samplerate. Step-by-step procedure is describe here : http://hlt.media.mit.edu/?p=1963 On the initial version of library, the speaker use pin 11 of the Arduino. … Continue reading →

Posted in Arduino, Electronique, Non classé | Tagged , , , , , | 4 Comments

AutoSupport couldn’t post to AutoSupport server – NetApp – Proxy SQUID

Posted on Thursday October 11th, 2012 by Julien

Error message on /etc/messages of the node : Thu Oct 11 02:51:56 UTC [XXXXX:asup.post.result:info]: AutoSupport couldn’t post to AutoSupport server. 0 (HA Group Notification from XXXX (MANAGEMENT_LOG) INFO) Thu Oct 11 02:51:56 UTC [XXXX:asup.post.drop:error]: AutoSupport message (HA Group Notification from … Continue reading →

Posted in Non classé | Leave a comment

NetApp OnCommand HS Service down after DFM recovery

Posted on Wednesday October 3rd, 2012 by Julien

Après la réinstallation de DFM, tous les Host Service dans OnCommand étaient down. D’après les eventlog, ceci est dû au fait que OnCommand ne trust plus le certificat du HS. Je n’ai pas trouvé d’autre façon que de supprimer et … Continue reading →

Posted in NetApp, Non classé | Tagged , , , , , , | 2 Comments

Problème with logrotate : [logrotate]

Posted on Wednesday September 19th, 2012 by Julien

After the upgrade from lenny to squeeze, cron.daily were in defunct state every day. This causes a memory overload. When the cron.daily starts, we can see warning in file /var/log/messages : Sep 19 08:41:02 mx1 backup-manager[20710]: warning * When validating … Continue reading →

Posted in Linux, Non classé | Tagged , , , , | Leave a comment

Flush the memory cache on linux Debian

Posted on Thursday August 30th, 2012 by Julien

This tips may work on other linux but I only test it on Debian Squeeze : mx1:/var/log# free -m total used free shared buffers cached Mem: 1961 1532 429 0 207 701 -/+ buffers/cache: 623 1338 Swap: 513 0 512 … Continue reading →

Posted in Linux, Non classé | Tagged , , , | Leave a comment

HOWTO : Find MAC address of Brocade switch

Posted on Tuesday August 28th, 2012 by Julien

Using telnet or SSH command line : ifmodeshow eth0

Posted in Non classé, SAN | Tagged , , , , | 1 Comment

Réception de mail HS après upgrade Lenny vers Squeeze (dovecot)

Posted on Saturday August 25th, 2012 by Julien

Suite à l’upgrade d’une Debian Lenny vers Squeeze, impossible de recevoir des mails. Le message d’erreur est : Aug 25 13:27:23 SRV postfix/pipe[10910]: 628358035A: to=, relay=dovecot, delay=156, delays=156/0.01/0/0.11, dsn=4.3.0, status=deferred (temporary failure)

Posted in Linux, Non classé | Tagged , , , , , , , , , | 1 Comment

Power supplies monitor : DOWN

Posted on Monday March 19th, 2012 by Julien

Sur un switch DCX où seule deux alimentations (sur 4) sont installées, le status des power supply passe en DOWN donc le switch entier… Ce qui peut remonter des alertes alors que tout est normal…

Posted in Non classé, SAN | Leave a comment