Let’s say you have old shelves of either EMC or NetApp with SAS or SATA disks in them. And let’s say you want to connect them via FC to a Linux machine and have some nice ZFS machine/cluster, or whatever else. There are few things to know, and to attend in order for it to…
I was wandering for a long while about the connection between NetApp’s LUN Serial and the identifier the host sees, aka “Word 83”. There was an obvious connection, but I figured it out only today. The LUN Serial is an ASCII representation of the hexadecimal Word 83, or, to be exact, the last 22 hex…
This post will describe the process of placing SSH keys using the internal ‘systemshell’ command of NetApp. As always – when doing something which the vendor did not intend you to do, do it very carefully. This data was obtained from NetApp forums, and while I do not have the original post to link (I…
When using ‘disk show -v’ on a NetApp filer version 7.3.x, following replacement or addition of disk(s), you might see the above mentioned message. It is caused by incorrect disk label – of OnTap version 8, on an OnTap version 7.3.x system. The system cannot handle the incorrect label, and thus – ignores the disk….
I have been using the excellent template and scripts from this forum post, however, when the NetApp device is loaded with LUNs and volumes, the script will cause the Cacti to timeout, and during that time, consume CPU. The original cause of this problem was a workaround to some NetApp Perl API bug the original…
ndmpcopy is a wonderful command. It allows a fine-grained copy of files or directories between NetApp devices, across network, even if they do not use (or unlicensed) SnapMirror, SnapVault and the rest of the Snap* products NetApp offer. In this example I will show how to copy a LUN from one filer to the other….
