[SATLUG] Software RAID suggestions
kcoriginal at yahoo.com
kcoriginal at yahoo.com
Mon Feb 22 08:12:13 CST 2010
I have had enormous success over the years, with eBay acquired, hp/Compaq hardware RAID cards. Truly enterprise-grade, real, honest hardware RAID cards, for a lot cheaper than you'd think. You can find Ultra 160s and SATA 150s, all day long, for less than $50. Those controllers will handle the newer, faster drives flawlessly; and you get solid RAID peace-of-mind.
And, if you want the latest speeds, the Ultra 320s and SATA 300s aren't much over $100, and frequently dip WELL below that figure. Thanks to SAS technology pushing down the prices, these real solutions are available to the rest of us.
I have found those cards rebuild near-automatically, completely OS independent.
I have an hp P400 I picked up for $125, shipped - 8 - SATA 300s.
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From: FIRESTORM_v1 <firestorm.v1 at gmail.com>
Date: Mon, 22 Feb 2010 02:44:44
To: The San Antonio Linux User's Group Mailing List<satlug at satlug.org>
Subject: [SATLUG] Software RAID suggestions
I have a question concerning software RAID. Unfortunately I'm cursed
with the Promise TX4310 "fake" raid card and am wanting to separate
the RAID array (w/controller) from my gaming rig in an effort to cut
down on power and with the fact that I recently discovered XBMC (FTW!)
My experience with software RAID in Linux is many years old and did
not end on a good note and I was hoping of anyone here had any good
suggestions/stories/pitfalls that they could share with me. From
research I've done with this particular RAID card, the best thing to
do is to set it for JBOD mode (4x 750GB) and then use the Linux RAID
tools to build a software RAID set. I plan on using the same setup as
currently deployed with a RAID 5 configuration.
I plan to boot from a dedicated hard drive not part of the 4 drive set
and want this to be as good of a system as I can make it without
having to worry about losing my data again.
Unfortunately, the last time I tried this was with IDE drives and when
one went out, the entire array died and was unrecoverable. The array
would not even work in "degraded" mode to allow me to salvage my data.
A lot of the research I've done in regards to linux support for this
card has people sayingt that it works, but they never come back to say
how the performance or the longevity of the array is, fault recovery,
I appreciate your insight and any information you can provide me.
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