Monthly Archives: January 2009

Linux user for awhile

I’ve used Ubuntu has my primary O/S for almost 3 years now. I remember that when I quit  playing WoW, that I completely destroyed my Windows partition and went cold turkey into Linux.  I was fine actually since all I … Continue reading

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zfs iostat fstat oh my

There’s a great blog post on Ben Rockwood’s site about zfs transactions. He talks about using iostat and fsstat (new command for me) and also includes a dtrace script that improved on from Roch’s blog at Sun. Good read and … Continue reading

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fmadm faulty

I never knew there was the above option for the fmadm command. After looking at this page: http://www.sun.com/msg/AMD-8000-3K There seems to be a whole bunch of steps to take after fixing a problem from fmdump. Marking it repaired and then … Continue reading

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NAS or SAN

I was recently asked some questions about NAS’s and SANs and what their differences/similarities were. I could think about 1 main difference, but not too much after that: A NAS (network attached system), is a server with a bunch of … Continue reading

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Post about wafl.dir.size.max

Found the following link that talks about wafl.dir.size.max at netapp: http://communities.netapp.com/message/5790;jsessionid=7D859DAC2D127BAF4C4D53A5157E060D The main thing to take from it is: Never increase maxdirsize beyond 3% of physical memory.A volume with 30.72MB maxdirsize can hold up to 416808 CIFS files or 1,006,632 … Continue reading

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clear_locks command

We just recently started using this command on our mail spool nfs server for our load balanced imap servers. Usually what happens is that one server locks the spool file and then both imap servers can’t access it anymore, so … Continue reading

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Gotomeeting.com

Last week I got to check out an online conference using the gotomeeting.com website. The first problem that I ran into was that I needed to have a Windows box or a Mac! From what I could see, it looks … Continue reading

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Windows Open Source Software

Here are a couple of open source software that I use on my Windows box at work: Firefox 3 – This is a web browser like Internet Explorer that I’ve been using since it was called Firebird. It’s a great … Continue reading

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Linux server reboots/hangs

The other day there was a problem with a server that would reboot randomly and occasionally hang. One thing that was done was that memtest+ ran perfectly fine on the server without reporting any problems and that when the top … Continue reading

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Netbeans 6.5

I installed this the other day and it seems pretty cool so far. The online tutorials are straight forward enough and it seemed pretty easy to generate a jar file of my project that is easily portable. The thing I … Continue reading

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