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

Victor Padro vpadro at gmail.com
Wed Jul 2 22:14:16 UTC 2008


"It is human nature to think wisely and act in an absurd fashion."

"Todo el desorden del mundo proviene de las profesiones mal o mediocremente
servidas"

On Wed, Jul 2, 2008 at 11:08 AM, Scott Silva <ssilva at sgvwater.com> wrote:

> 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
>>
>>    _______________________________________________
>>    CentOS mailing list
>>    CentOS at centos.org
>>    <mailto:CentOS at centos.org>
>>    http://lists.centos.org/mailman/listinfo/centos
>>
>>
>>
>> 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.
>

Even if it's fake RAID5(RAID software)?
Didn't know that.


>
>  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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>>
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