CLI and undocumented features ...

... or confessions of an Xsan Newbie .... OK, so I've been using Xsan for six months now and trying my hardest not to use CLI and all that tricky Unix stuff .... finally realized that CLI might be the best friend an inexperienced Xsan Administrator could have ... so question becomes .... apart from the Man pages that are installed in the Xsan server folder (is it me, or this the most difficult technical document in the world to navigate around?) and the highly comprehensive descriptions (not) of the CLI commands in the Xsan Admin Guide .... where do you find good documentation on how to use the CLI? Which Unix commands are useful for managing Xsan?
Plus, I get the feeling from reading some of the StorNext documentation that there is much more to SNFS than meets the eye or that Apple is letting on. Is there anything that covers the undocumented features of Xsan that would be easy to understand by a simpleton like me?
Thanks,
Neil
Hollywood-DI

Hi Neil,
There is a 3-day stornext course which I found very usefull.
For day to day use, the cvadmin command is your friend. So I suggest with studying on the man page for it. when you want to create and change volumes, you need more commands: cvlabel, cvmkfs, cvupdatefs, cvfsck.
These manpages are actualy acurate. I can imagine to be overwhelmed with all the options. At first you need to understand the context. The mentioned course will help you with this. This is complex material. You have to dive into it. There is no shortcut.
For tuning and creating a new volume the cvfs_config manpage is usefull.
For unix I suggest a good book and a course. Commands I use frequently:
+ mount -t acfs <volname> /Volumes/<volname>
+ umount /Volumes/<volname>
+ du -hs /Volumes/<volname> | sort -nr # to see the fillers of a volume
+ df -h # to see how full the volume is
+ grep # selecting specific info from a bunch of data
+ cat # display the content of a file
+ vi/pico # unix text editors
Also, check articles from apple.com and xsanity.com. There are loads of info there.
One major part of the xsan is the FC environment. You need to study that too. Qlogic has good pdf's. Setting up the nicknames and zoning right, is a must!
HTH
Donald

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