[OpenIndiana-discuss] Hi - can anybody help me get OI installedthe way I'd like?

Mansion, James James.Mansion at sc.com
Sat Aug 27 14:19:12 UTC 2011


Well, I have a tiny NAS enclosure which holds 5 drives.  And I have an
external eSATA3 port, and a suitable 60gig SSD.

The box will hold 8gig RAM.  It's a home NAS and I can live with a small
possibility of issues with losing some recent updates and downtimes if
it goes bang.  I'd like to use RAIDZ for 6gig of store.  I know its not
ideal given that some of the use is light db use
(postgres+archiveopteryx) hence I'd like to help that out with L2ARC and
ZIL.

Its for home NAS use and the biggest user of space is actually backups
from PCs.

Fdisk is very weird if you're a Solaris noob.  Will happily use it if
necessary.  ZFS best practice seems a bit enterprisey sometimes - I
can't really afford a drive as boot/root mirror for example, but my
usecase isn't the main Solaris target.

But - surely I *am* looking at that IO helper situation?  The NAS drives
are low-power SATA with low RPM, and the SSD is pretty fast.

-----Original Message-----
From: Gary Driggs [mailto:gdriggs at gmail.com] 
Sent: 27 August 2011 15:12
To: Discussion list for OpenIndiana
Subject: Re: [OpenIndiana-discuss] Hi - can anybody help me get OI
installedthe way I'd like?

On Aug 27, 2011, at 6:16 AM, James Mansion wrote:

> What I'd like to do is to install on one disk (happens to be an ssd)
which is partitioned so that I can boot from it, and have partitions for
ZIL and L2ARC.

What is the advantage of doing this? I thought the whole point of having
separate log and cache devices was for systems with more than one drive
and would be most useful for high I/O situations like NAS/SAN or
database server. Plus, there are some computations you'll want to make
in order to most effectively use the L2ARC cache. For this and other
answers, I'd refer to the ZFS best practices guide and perhaps some of
Nexenta's kb articles.

To your question, however... Have you tried using fdisk instead of
format?

-Gary
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