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Many IT organizations require antivirus or similar protections, such as File Integrity Monitoring, on critical infrastructure as a matter of routine Security and Compliance policy. In the AIX space, IBM's recommended solution (as stated many times...
Code enhancement to handle VIOS Path loss issues during Brocade haReboot - There have been multiple outages experienced in IBM VIO Server(VIOS) managed environment, during storage related events. The haReboot performed on Brocade SAN switches are supposed to be non-disruptive, but in reality they do take a finite amount of time. In VIO managed environments, this has sometimes resulted in impact and affected availability. During a haReboot the fabric services are not available and hence when the VIOS queries the Name server on the switch, it may not get the desired response due to the haReboot in progress. This results in the VIOS logging out and attempting to log back in again, resulting in path failures at the VIOS. To prevent the same from happening, the VIOS code can be updated to include an appropriate time interval that kicks in as and when the haReboot is in progress. The VIOS will then wait for this interval and pause any activity, before querying the name server again. The assumption is that the haReboot RSCN notification is sent correctly by the Brocade switches and received by the VIO servers. If not, then this can be worked out jointly by Brocade and IBM, to prevent outages in the future. The referenced Support Case has additional information.
among all the different vendor servers, the IBM VIOS managed AIX server environments seem to be susceptible and have experienced outages as and when haReboot is performed.
You can reach out Deepak Menezes(email@example.com) .This is with respect to issue we hit on case TS008403859Was installing Fix Pack 126.96.36.199 on top of his system 188.8.131.52 .During the installation the Putty session disconnected due to VPN discon...
almost 2 years ago
in PowerVM VIOS
Planned for future release
The current mount command of the the ioscli interface does not support the option '-o vers=4'. NFSv4 is now the industrial standard for NFS. NFS is uses to store for example virtual I/O server system backups (mksysb) to a NIM server. Using the vir...
viosecure -level high should set default firewall rules to denied for inbound traffic
IBM support case TS006803177:---------------------------------------After applying vioscure level 'high', the default firewall rule 0 permits all IP packages, if an IP package does not met any rules. This make the firewall settings useless if you ...
cfgmgr locks VIOS if called in separate processes at the same time
mkdev, mkiscsi, cfgmgr, rmdev, rmiscsi cause the odm to lock and subsequently the VIOS gets locked and needs to be rebooted to recover. We run these commands when an LPAR is started/stopped and they could happen at the same time. This causing the ...
VIOS needs to support NFS mounted ISOs in Media Library
We store all our ISO files on storage servers which we then NFS mount from Novalink to enable LPARs to access the ISO file. However, in VIOS, ISO files mounted via NFS in the MediaLibrary directory do not show up in the Media list: VMLibrary conta...
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