IT – Page 2 – Rejected I/O

Don’t Upgrade Just before Holidays: Ubuntu 14 -> 16 breakage!

Posted on 2016/08/102025/06/24 by nullgenome

Just a real quick post. So I did something you really shouldn’t, especially to a work system, so thank god it was only my personal blog server. I decided do an OS upgrade just before holidays! S... Read More

NetApp C-mode Autoassign disk gotchas

Posted on 2016/02/082025/06/24 by nullgenome

A couple of things happened recently that has made me discover a recent change in C-mode for the disk auto assignment. In 7-mode, for me at least, swapping disks was a simple process however not so it... Read More

Freenas – Check all drives for SMART info

Posted on 2015/12/132025/06/24 by nullgenome

I received another warning on a drive today about not being able to read the SMART info. So as I normally do I check run smartctl against it. This turned up some reallocation entries. Hmm how do I eas... Read More

Investigating an issue FreeNAS drive

Posted on 2015/11/092025/06/24 by nullgenome

I’ve had a drive in my FreeNAS server for a long time now with a Current Pending Sector error. As it and no other errors (see below) have incremented I’ve been ignoring it. ID# ATTRIBUTE_N... Read More

NetApp vfiler 7-mode to SVM C-mode migration

Posted on 2015/10/062025/06/24 by nullgenome

Migrating 7-mode vfiler into C-mode Assumptions The source vfiler is only serving NFS v3 This process will attempt to use the read/write mode as there are no LUNs The project will not attempt to migra... Read More

Migrating 7-mode data into C-mode – Preparation

Posted on 2015/10/052025/06/24 by nullgenome

Preparing the Destination C-mode system Make sure SSLv3 is enabled: system service web show It was suggested to enable FIPS however the Unified Manager couldn’t then monitor the system. Check th... Read More

NetApp 8.3.1 SVM DR failure

Posted on 2015/10/012025/06/24 by nullgenome

I was trying to setup a SVM DR relationship of a recently migrated 7-mode vfiler and it would never initialise. Needed some help troubleshooting the issue but the key command to use on the target clus... Read More

NetApp’s new Advanced Disk Partitioning

Posted on 2015/07/072025/06/23 by nullgenome

We finally got ourselves an 8.3 C-Mode Snapmirror target device; well that’s the only mode available in 8.3. A relativly small FAS2554 with 6TB drives. The proposal was to use the new feature in... Read More

Customising a WordPress theme

Posted on 2015/06/202025/06/24 by nullgenome

I really like the Aldehyde theme when it updated and it’s standard blog view. Trouble is I couldn’t easily customise it via the GUI so I guess I’ll have to dive into the code. After ... Read More

NetApp C-Mode Cluster creation issues

Posted on 2015/06/162025/06/24 by nullgenome

Converting a 7-Mode 8.2.1 3220 to a C-mode switchless system seemed to be going well until I needed to add the second node. The A head is running fine with the basic configuration and when running clu... Read More

Rejected I/O

General Geeky Meanderings

Category: IT