Year 2017

Exadata failing RAID HBA card

This is more of informative story what happened to us recently. In the past we had issue with one of the Exadata cell node where the RAID HBA card has failed. After working with support they decided to replace the card…

Exadata & host_access_control

Although we have quite wide Oracle Linux stack I had not come across with pam_tally2 before we got Exadata. If you haven’t read about it it’s module which takes care of failed logins and locks account after certain number of…

CELLDIAG user for Exadata

I was doing some tasks off from my task list and one of the things exachk highlighted was that we should create user CELLDIAG on cells. Beginning with Exadata Storage Server Software version 12.1.2.2.0, the storage server user “CELLDIAG” is…

Exadata & metric_iorm.pl

Our case where to gather information was actually related to two disks going OFFLINE at the same time. As I wasn’t sure if this is normal Exadata behavior I went and created Service Request for this. This is what we…

Automated sundiag.sh for Exadata nodes

We recently had to collect sundiag.sh output to one of our Service Requests and I followed note “Oracle Exadata Diagnostic Information required for Disk Failures and some other Hardware issues (Doc ID 761868.1)“. And while there isn’t too much of work…