[CALUG] November 13 Meeting Announcement - ZFS Overview

Randal T. Rioux randy at procyonlabs.com
Wed Nov 6 00:08:32 EST 2013


Note: this email assumes Eric Sproul is on this email distribution. If
not, Chuck, can you forward?

This is awesome, and I might actually be in town for a meeting for the
first time in years!

I *just* converted my lab's collection of pcaps and malware (>20TB -
used for R&D) from HW RAID5's and SW RAID10's (ext4) to all RAIDZ
systems and I love it.

One thing that attracted me is the snapshot capability, and that I can
set gzip-7 at the filesystem level (avg 1.18x compression right now!)
and transfer are actually *faster* with compression on :-)

Caveat: I've only done this on Solaris and FreeBSD.

I realize this will be an introduction, but if I go I'll have some
hardball questions. I beat the crap out of my file servers.

One quick one now if you don't mind before the talk: what is the best
way to schedule a snapshot regimen for 1, 3, 7 and 30 days including
destroying old ones? I see scripts and stuff on the Web, but they all
look different and seem to over complicate things.

Tangent: can you tell us more about OmniOS (online info is scarce) and
whether Circonus is purely commercial (appears so)?

Thanks!

On 11/5/2013 8:22 PM, Chuck Frain wrote:
> Greetings All,
> 
> The next exciting meeting of CALUG will be Wednesday November 13th from
> 6:30 until 9PMish. Our guest speaker will be Eric Sproul giving us an
> introduction to the ZFS file system. 
> 
> ZFS combines the features of a filesystem, volume manager and RAID
> subsystem into a single storage system that provides pooled storage
> with immense capacity, provable end-to-end data integrity, snapshots,
> transparent compression/decompression, and much more.  This talk will
> be primarily a high-level overview of ZFS features and concepts to
> help users and administrators understand the many benefits that ZFS
> provides over traditional storage stacks.
> 
> Eric Sproul is an engineer at OmniTI, where he works on OmniOS (a
> distribution of illumos) and is responsible for release engineering
> and deployment automation for Circonus, a SaaS platform for
> monitoring, visualizing and alerting on IT and business data.
> 
> The meeting will take place at OmniTI, located in Fulton, MD. The
> address is 11830 West Market Place Fulton, MD 20759. The building is
> near the Harris Teeter, easily seen from the road. When you approach the
> HT head on, the OmniTI office building is to its right.
> 
> We'll be using the back entrance which is surrounded by plants which
> will lead directly to the meeting room.
> 
> Be sure to show up from 6:30 until 7 for pizza provided by Praxis
> Engineering and socializing. We'll start the meeting about 7pm.
> 
> http://www.calug.org
> http://www.praxiseng.com
> http://omniti.com
> http://omniti.com/is/here
> http://www.linkedin.com/in/esproul
> 



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