Sun Fire 3800, 4800, 4810, 6800, E4900, and E6900 System Controller (SC) software contains multiple shells. Each have specific functionality regarding administration of the platform. The shells include: 1. Domain Console: The domain's console device connection (/dev/console). When connected, the user will have one of the following prompts: a. OpenBoot Prom (OBP) b. console login 2. Domain Shell: A shell on the system controller with the ability to administer a specific domain on the … [Read more...] about SF3800/SF4800/SF4810/SF6800 – E4900/E6900 : connecting to a domain shell console which is already in use
Archives for April 2014
The ultimate Solaris Volume Manager (SVM) interview questions
What are the configuration files used in SVM ? /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 metadevices in one go. Best used in recovery of SVM configurations. For example # metainit -a (to create all metadevices mentioned in md.tab … [Read more...] about The ultimate Solaris Volume Manager (SVM) interview questions
How to identify the boot device (primary and alternate) in Solaris
In a general production environment you'll find the OS root disk is mirrored to avoid any single point of failures. Its is important to know how to find the primary and alternate boot device to troubleshoot in some cases. You can either identify the boot device from the OK prompt (in case of a SPARC machine) or when the OS is booted up. SPARC Identifying boot device at OK prompt To identify the boot device at OK prompt : ok> printenv boot-device boot-device = rootdisk … [Read more...] about How to identify the boot device (primary and alternate) in Solaris
Solaris Volume Manager (SVM) : Growing concat metadevice
Solaris Volume Manager (SVM) : Growing mirrored metadevices online Solaris Volume Manager (SVM) : Growing RAID 5 metadevices online In the example shown below, the concat metadevice d80 is configured using the slice c1t3d0s0 of size 1 GB. The high level steps to grow this metadevice are : 1. Umount the file system on the metadevice if any. 2. Increase the size of disk partition being used by metadevice. 3. Recreate the metadevice. 4. Growing the file system. The resizing … [Read more...] about Solaris Volume Manager (SVM) : Growing concat metadevice