A collection of notes, how to, cheat sheets, hints, tips and resources for the SAM-QFS, SAMFS, SAM, QFS, HSM and OHSM related products.

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Rename an existing SAM-QFS file system?

Renaming a SAM-QFS file system is a two-step process. Firstly edit the mcf file then run samfsck to update the superblock

What is samfsinfo?

The samfsinfo command displays the file system structure for a specified file system

Troubleshooting the QFS file system

Poor design or micro-managing the file system are common causes for bad performance of a QFS file system.

Sizing the METADATA disk

Because of the cost of solid-state disks, you may want to size such disks fairly closely to your anticipated need for metadata storage.

An introuction to SAM-Remote

SAM-Remote allows files on a local client host to be archived on media in a library on a remote server host.

Repairing QFS file systems with samfsck

Whilst it is allowed to repair a mounted SAM-FS file system, you are encouraged to run the command on an unmounted file system.

SAM-QFS Manager Logging

To generate a SAM-QFS Manager troubleshooting report, run the /opt/SUNWfsmgr/bin/fsmgr_report command to create the /var/tmp/fsmgr.overall.log file.

Troubleshooting the SAM-FS Releaser

Most releaser problems are the result of Archiver, Stager, or Recycler related issues. Rarely is the releaser the root cause.