Thursday, June 12, 2014

PowerVM: network outage during fallback in SEA load sharing environment


Problem summary

  • In a dual VIOS setup where SEA is configured in load sharing
    mode and backup SEA is created over etherchannel in IEEE802.3d
    mode. Rebooting backup VIOS will result in VIO client
    communication loss for  30 seconds.

Friday, March 28, 2014

TSM: Why are backups going to tape instead of disk

Technote (troubleshooting)

Problem(Abstract)

Tivoli Storage Manager TSM Client backups and/or archives may go to a tape pool although the management class used sends data to a disk pool

Cause

DISK pool is not available or does not have free space or data size exceeds threshold.

Resolving the problem