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 and at the same time update the card firmware. That issue was described in detail…

Oracle OVS, Broadcom Netextreme II and 10G network

We recently upgraded our LAN network from 1G to 10G but the Oracle OVS servers network cards showed only 1G link even though the advertised link was 10G. [root@ovs1 ~]# ethtool em1 Settings for em1: Supported ports: [ FIBRE ] Supported link modes: 1000baseT/Full Supported pause frame use: Symmetric Receive-only Supports auto-negotiation: Yes Advertised link…

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 tries. Every now and then specially after changing the password every three months we ran…