[CentOS] Re: settings up cheap a NAS / SAN server, is it possible?

Scott Silva ssilva at sgvwater.com
Wed Jul 2 16:08:33 UTC 2008

on 7-2-2008 8:52 AM Victor Padro spake the following:
> On Wed, Jul 2, 2008 at 8:50 AM, Rudi Ahlers 
> <Rudi at softdux.com 
> <mailto:Rudi at softdux.com>> wrote:
>     nate wrote:
>         Rudi Ahlers wrote:
>             I think my action plan now will be to figure out how to
>             install CentOS
>             on a USB memory stick and make it boot on any machine
>             (making it easy to
>             replace if need be), and then to play around with the RAID a
>             bit and see
>             how well it works.
>         Another option you may want to consider is a PATA->CF adapter. I use
>         these for my OpenBSD firewalls and have them installed on 1GB CF
>         cards.
>         Performance should be better? Compatibility certainly is better,
>         there's
>         no way I could boot to USB off these aging P3-800 systems. The
>         CF cards
>         just show up as regular HDs
>         I use these ($7):
>         http://www.geeks.com/details.asp?invtid=SY-ADIDE2CF-B1&cpc=SCH
>         <http://www.geeks.com/details.asp?invtid=SY-ADIDE2CF-B1&cpc=SCH>
>         Paired with Lexar CF cards. Not all CF is created equal, well
>         maybe it is
>         today. I found my Lexar CF cards were 5-10x faster than my
>         Kingston cards
>         of the same size, which surprised me. Not that I need high
>         performance in
>         firewalls that do no disk I/O but it was painful for the OS
>         install to
>         take hours(Kingston) instead of minutes(Lexar). Both pairs of CF
>         cards
>         are a few years old, today maybe everything out there is reasonably
>         fast.
>         At least with the above adapters be aware that those adapters above
>         do stick up. I think a 2U chassis can fit them(I have tons of
>         experience
>         in supermicro systems). But no guarantees. You may need another
>         adapter
>         or perhaps a male to female IDE cable so that you can mount it
>         another
>         way in the chassis.
>         I suppose you could even get two and run RAID.
>         Just don't put your swap on the flash if you can avoid it.
>         nate
>         ______________________________________________
>     Thanx, nate
>     That's a good suggestion, but I think the USB memory sticks could
>     work better / more reliable, and will be easier to access in the
>     cabinet. I'll play around with it a bit and see how it works.
>     -- 
>     Kind Regards
>     Rudi Ahlers
>     CEO, SoftDux
>     Web:   http://www.SoftDux.com
>     Check out my technical blog, http://blog.softdux.com for Linux or
>     other technical stuff, or visit http://www.WebHostingTalk.co.za for
>     Web Hosting stuff
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> Hi,
> (I apologize in advance if someone thinks this is OT)
> I've been reading this thread since it started, and what I could really 
> say is you should go for freenas, it can be installed in a matter of 
> minutes in a usb pendrive, I use it on a 2gb kingston one using an IBM 
> eServer tower chassis, Intel D201GLY2 mainboard, 1Gb 667Mhz RAM, 2 HDs 
> those are 750gb SATA in RAID5

2 drives in raid5? Then it is really only a raid 0, and will fail sooner or later.

  which are hold entirely for backing up my
> servers, that include M$ SQL, M$ Exchange, CentOS LAMPs and CentOS MySQL 
> boxes(about 500Mb daily using Samba and NFS)this box has been running 
> about eight months now, also I have another one running on an old Dell 
> P3 using a cheap VIA SATA PCI card and a CF to IDE adapter which holds 
> 320Gb and 500Gb SATA HDs for my personal backup and haven't had any 
> issue except for my electrical bill that increased a few mexican pesos 
> only. The best thing it's you configure all via web, and there's no need 
> to learn FreeBSD at all.
> You should read the Knowledge base maybe it can help you more to make 
> your mind:
> http://www.freenaskb.info/kb/
> hope it helps,
> cu when i cu.
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