Like many others, I am a big fan of live upgrade when it comes to upgrading/patching solaris. This post is for the system admins who still wants to use the traditional method of patching for whatever reason they want to. The setup The example system we will be using has SVM based mirrored root. Preparation […]
SVM
SVM : How to Use Metadevadm to Maintain Device Relocation Information After Disk Replacement
This article describes the method used to maintain device relocation information for Solaris Volume Manager (SVM). Device relocation information is based on device IDs, and care must be taken to ensure that it is updated when a disk is replaced. Device IDs are unique identifiers branded to all disk drives and LUNs (SCSI, fibre channel, […]
How to add Additional Storage Space Created from Dynamic LUN Expansion in SVM online
Most of the storage arrays now-a-days provides the feature of dynamic LUN expansion. This feature allows you to grow your existing volume on the fly without affecting existing data or I/O. Dynamic LUN expansion increases the capacity of the physical storage. You must then make Solaris aware that the device has grown, and if a […]
SVM : How to un-encapsulate root disk (SPARC)
There may be times when you want to boot from the unencapsulated SVM root disk by detaching one submirror. The term unencapsulation refers to a method of taking disk out of SVM control while retaining its content. The reason to do this can be many – For patching or when the system is not bootable […]
SVM root encapsulation and mirroring [SPARC]
I wouldn’t say Solaris Volume manager is one of the best volume managers out there in the market, but its sure still used in many production setups. Lets us see how we can encapsulate and mirror a root disk under solaris volume manager. The final mirrored root disk setup should look like the one shown […]