Archivo del Autor: carlosap

hba force npiv

 https://docs.oracle.com/cd/E23824_01/html/821-1462/fcadm-1m.html                         Example 16 Reinitializing the Link of an FC Port The following command forces the link connected with the port 200000144fc2d508 to reinitialize. # fcadm force-lip 200000144fc2d508 el force-lip

EMC DSSD D5 Rack-Scale Flash

EMC DSSD D5 Rack-Scale Flash EMC DSSD D5 Rack Scale Flash Appliance for ultra high-performing storage requirements EMC DSSD D5 thumbnail view EMC DSSD D5 Rack-Scale Flash EMC DSSD D5 Rack-Scale Flash EMC DSSD D5 Rack-Scale Flash Give high-performance applications and real-time analytics what they need with EMC DSSD D5. DSSD D5 introduces rack-scale flash,… Leer más »

Oracle VM server 3.4

Creating Default Services The following virtual device services must be created to use the control domain as a service domain and to create virtual devices for other domains: vcc – Virtual console concentrator service vds – Virtual disk server vsw – Virtual switch service How to Create Default Services Create a virtual console concentrator (vcc)… Leer más »

Fast ZFS Send with Netcat

The general way to send ZFS data sets to remote nodes is normally achieved by sending the ZFS stream through ssh. Example: zfs send  zones/UUID@snapshot  | ssh [email protected] zfs recv zones/UUID The down side with this method is that ssh encryption is slow and has significant cpu overhead. You may find yourself in situations where… Leer más »

Moving Oracle Solaris 11 Zones between physical servers

https://blogs.oracle.com/openomics/entry/solaris_zone_migration comandos útiles de zfs para snapshots:  https://docs.oracle.com/cd/E18752_01/html/819-5461/gbchx.html By Amir Javanshir-Oracle on Jun 18, 2013 As part of my job in the ISV Engineering team, I am often asked by partners the following question : is it possible to easily move a Solaris 11 Zone from a physical server to another? The short answer is… Leer más »

5 Tuning Java Virtual Machines (JVMs)

https://docs.oracle.com/cd/E15523_01/web.1111/e13814/jvm_tuning.htm#PERFM167   https://www.ibm.com/developerworks/community/blogs/aimsupport/entry/Recommended_Maximum_Heap_Sizes_on_32_and_64_bit_WebSphere_Java_instances?lang=en  

PROGRESS SPARC T-7 SPARC S-7

The reason why the adminserver starts when disabling fathom, is because this machine has so many CPU’s There’s a bug in the 3rd Party Orient database, which means that we need to upgrade it to get the fix. I now understand why they may have added the parameter: -XX:+UseParallelGC -XX:ParallelGCThreads=4 However their heap size is… Leer más »

Creating NPIV Ports

You can configure NPIV for non-virtualized environments by using the fcadm command. The fcinfo and fcadm status commands are available to determine the status of NPIV ports, whether the ports are created from fcadm. The commands also report the relationship between the physical port and the virtual ports hosted on that port. Other Fibre Channel… Leer más »