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Archives for February 2014

A beginners guide to Veritas Dynamic Multipathing (VxDMP)

by admin

Veritas Dynamic Multi-Pathing (DMP) provides the multi-pathing capability to the native devices on the system. DMP creates DMP metadevices (DMP nodes) to represent all the device e paths to the same physical LUN. How DMP works – VxVM uses the DMP metanodes (DMP nodes) to access disk devices connected to the system. For each disk, […]

Filed Under: Solaris, Solaris 11

How to assign CPU/Memory/MAU resources to Guest LDOMs [OVM for SPARC]

by admin

The CPU, Memory and MAU resources can be added/removed dynamically to/from the guest LDOMs. Before adding the resources to guest LDOMs make sure you check the available resources in the primary domain : # ldm ls -o memory # ldm ls -o cpu # ldm ls -o mau Resources and their meanings The various resources […]

Filed Under: LDOMs

How to add/remove vdisk to/from Guest LDOMS online

by admin

Prerequisites In order to add vdisk online to a guest LDOM, the SMF service svc:/platform/sun4v/drd must be online in Guest LDOM : ldom01 # svcs drd STATE STIME FMRI online Feb_12 svc:/platform/sun4v/drd:default 1. Adding ZFS volume primary # zpool list NAME SIZE ALLOC FREE CAP DEDUP HEALTH ALTROOT ldom 86.5G 14.6G 71.9G 16% 1.00x ONLINE […]

Filed Under: LDOMs

How to rename a LDOM (OVM for SPARC)

by admin

In some rare situations you may get a request to change the name of the LDOM. This can be done in 2 ways. 1. Using live migration (can be done online) 2. By editing XML constraints file (requires downtime) Using live migration feature (online) In this case we migrate the guest LDOM to another machine […]

Filed Under: LDOMs

How to enable Solaris multipathing (MPxIO or STMS) for EMC Symmetrix LUNs

by admin

A beginners guide to Solaris Multipathing Software (MPxIO or STMS) Oracle Solaris Storage Multipathing MPxIO provides multipath access to storage luns by grouping together the physical paths and presenting a single logical path. MPxIO can also be referred as STMS or SCSI_VHCI due to the commands used and logical device paths created. The post describes […]

Filed Under: Solaris

A beginners guide to Solaris Multipathing Software (MPxIO or STMS)

by admin

Oracle Solaris Storage Multipathing MPxIO provides multipath access to storage luns by grouping together the physical paths and presenting a single logical path. MPxIO can also be referred as STMS or SCSI_VHCI due to the commands used and logical device paths created. Configuration files For Solaris 10 and earlier /kernel/drv/fp.conf Fiber channel port configuration file […]

Filed Under: Solaris

Solaris Volume Manager (SVM) command line reference (Cheat Sheet)

by admin

Configuration files /etc/lvm/md.tab 1. The file is empty by default. The file is only used when metainit command is issued by the administrator. It is configured manually. 2. It can be populated by appending the output of # metastat -p. For example #metastat -p >> /etc/lvm/md.tab. 3. It can be used to recreate all the […]

Filed Under: SVM

The ultimate Solaris jumpstart troubleshooting guide

by admin

How to Configure a Solaris 10 Jumpstart server and client [SPARC] Troubleshooting jumpstart issue can be cumbersome. Here is a list of check and tips to get you started on troubleshooting most commonly occurring jumpstart problems. The example Jumpstart setup looks like the one shown in the figure below : Verifying Settings on Jumpstart Client […]

Filed Under: Solaris

How to create Solaris 8 & 9 Branded Zones in Solaris 10

by admin

Branded zones are solaris 8 or solaris 9 containers created in a solaris 10 Global zone. By default any non-global zone shares the global zone kernel and has same characteristics as the global zone kernel. But in case of branded zone, BrandZ framework extends the Solaris Zones infrastructure to include the creation of brands, which […]

Filed Under: Zones

How to Configure a Solaris 10 Jumpstart server and client [SPARC]

by admin

The ultimate Solaris jumpstart troubleshooting guide Jumpstart makes the life of a system admin easy by automating the installation of Solaris operating system. With jumpstart you can do an unattended solaris installation with unbundled softwares. How jumpstart works 1. When you run “boot net -v – install” command at OK prompt, the client starts looking […]

Filed Under: Solaris

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