Steffen Weiberle wrote: > On 10/20/08 21:29, Challa, Narsimha Reddy (STSD-HYD) wrote: > >> Hi, >> >> I am new to Solaris containers. Can somebody please clarify the below >> questions: >> >> >> >> 1. What are the supported versions of Solaris that support Containers >> concept? As per my search on this from “Solaris 10 Update 4 or >> Update 5” onwards containers are supported. Am I right? >> > > Solaris Containers were delivered in the original 3/05 release of > Solaris 10. Technically, Solaris Zone were delivered then, unless you > count the Solaris Express previews of S10 before that. And since > Containers is a marketing term to combine zones and resource management, > the later updates of Solaris 9 had RM Containers. And RM goes back to at > least 2.4 with processor sets (pset), 2.6 with the fair share scheduler > (FSS or Solaris Resource Manager (SRM)), Solaris 9 with resource pools > (an abstraction of pset), and then S10 with dynamic resource pools. > > > >> 2. Can raw disks be exported to Solaris containers from global >> zone? Using “zonecfg” command we tried exporting devices (disk >> partitions/SVM volumes) to containers. Once they have been exported we >> are unable to see those in the “/dev/dsk” directory of the non global zone. >> > > The zones FAQ at http://opensolaris.org/os/community/zones/faq/ > discusses this. Did you reboot the zone? > > The question I would ask is 'why do you nned to do this?' Zones is a > security perimeter around a set of processes and additional services to > make it look like its own system, without all the other stuff to make it > a 'complete' system (those things are kept to the kernel and global zone. > > One of the benefits is needing to manage devices only in the global > zone. So when you have ten zones running, there is one device > administration point, instead of eleven. > > >> Is there a known issue regarding this? >> >> 3. Is there any concept of virtual HBA in Solaris Containers? Are >> external disks from the storage arrays presented directly to the Solaris >> container? Can multipathing software be configured on the Solaris container? >> > > No. Per above you can extend LUNs. Multipathing is a kernel/driver > function for disk. IPMP (multipathing for IP) can be done in zone if it > is of ip-type=exclusive, which is not the default. This puts more > admin1stration into the non-global zone. > > >> >> 4. Is Volume management (SVM and VxVM) supported inside Solaris >> containers today? Some of the old documents show that the volume >> management commands are accessible but are modified to display the below >> message. Is this still valid today? >> > > SVM is. See the FAQ. You will need to ask Veritas about VxVM. > > >> /VxVM command_xxx ERROR msg_id: Please execute this operation in global >> zone./ >> >> 5. Can somebody clarify me whether ZFS is supported for containers? >> Since ZFS has the concept of creating pool of devices first and on top >> of that file systems can be created. I would like to know what kind of >> support is there today for ZFS for Solaris containers? >> > > This is evolving. You can delegate a ZFS file system into a zone. With > the upcoming S10 10/08, the zone path is fully supported on ZFS. A > future is to have a zone clone automatically do a ZFS clone--this is > already in Solaris Nevada/SXCE. > > >> >> 6. What cluster softwares (Ex: VCS, Solaris) are supported with >> Solaris Containers today? >> > > Solaris Cluster supports zones. I don't know if RM is managed within the > cluster framework, or outside of it. VCS supports zones. > > RM is managed outside Sun Cluster. Zones are supported in two different ways: 1. Switching a zone from one node to another. 2. By having a service zone and switching the application. Cluster commands use the global zone as a "proxy".
Konstantin >> 7. Can we get CPU and Memory utilization statistics used by a >> specific container (either from with in the container or from global zone)? >> > > Always from the global zone. What you can get within a non-global zone > depends on resource management applied to the zone, especially for CPUs. > > >> 8. What databases are supported today for Solaris containers? As >> per the bigadmin document “db_in_containers”, only non-RAC Oracle is >> supported by containers. Is this still valid today or is there support >> provided for Oracle RAC? >> > > Oracle is supported. I understand that RAC support may be coming. > > >> Is DB2 supported inside containers? >> > > I don't know. > > Steffen > > >> Thanks in advance. >> >> Regards, >> -Narsimha >> >> >> >> ------------------------------------------------------------------------ >> >> _______________________________________________ >> zones-discuss mailing list >> email@example.com >> > > _______________________________________________ > zones-discuss mailing list > firstname.lastname@example.org > > _______________________________________________ zones-discuss mailing list email@example.com