Re: Ted T'so on SSD and journalling

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Author: Stephen
Date:  
To: Main PLUG discussion list
Subject: Re: Ted T'so on SSD and journalling
ok, what is the difference between this and the ubuntu netbook remix?

On Wed, Jun 24, 2009 at 9:49 AM, Alan Dayley<> wrote:
> I have never had a good experience with Xandros or it's derivatives.
> Well, actually they work fine until the first update.  Then things
> start breaking.
>
> I love http://geteasypeasy.com/ on my netbook.  It's based on Ubuntu.
>
> Alan
>
> On Wed, Jun 24, 2009 at 8:42 AM, Stephen<> wrote:
>> well Ubuntu has the first publicly released install that is
>> specifically for netbooks, including a fully tuned UI for netbook
>> screen real estate.
>>
>> and visiting the xandros websites makes me want to scrub my brain...
>> their marketspeak and corporateese makes microsoft look like a friend
>> to foss.
>>
>> On Tue, Jun 23, 2009 at 5:00 PM, Lisa Kachold<> wrote:
>>> That's a great idea!
>>>
>>> http://www.obnosis.com/motivatebytruth/national_security_threat_%231.jpg
>>>
>>> On 6/23/09, Taylor, Kaia <> wrote:
>>>>
>>>>
>>>> Speaking of tweaking netbooks, I'll have one in hand soon.  I'd be happy to
>>>> eventually give a brief presentation, following on hans's presentation and
>>>> the idea that it might be neat to compare price/functionality/value.  Here's
>>>> mine  http://www.mwave.com/mwave/SkuSearch_v3.asp?SCriteria=BA25872
>>>> I have 2 ideas, in terms of such a presentation
>>>>
>>>> OS:
>>>> I'm assuming that Xandros (which comes pre-installed) will *have* to go, and
>>>> while I'm doing that, why not match it up with someone else's OS in PLUG, so
>>>> we can compare performance with no extra variables introduced by a different
>>>> OS.  If anyone has an existing netbook, and is interested, give me a shout.
>>>> NB my cheapie netbook's SSD is only 4G.
>>>>
>>>> Hardware diags:
>>>> I'm also wondering if anyone who has gotten a refurb like mine has a handy
>>>> link to some baseline/diag tools to test everything before the
>>>> manufacturer's warranty runs out.  My friend got an EEE which it turns out
>>>> couldn't reach USB 2.0 speed on a couple of his ports, for instance.  That
>>>> particular issue is easy to test by, whatever, time ... dd  to the SD card
>>>> mounted on that port, but I'm guessing there are other hardware check
>>>> scripts that can save me some work with other hw components.  We might want
>>>> to run the same diags on different models of netbooks if we want to do side
>>>> by side comparisons.
>>>>
>>>>
>>>> Regards,
>>>> Kaia Taylor
>>>>
>>>> All e-mail sent to or from this address will be received by the Charles
>>>> Schwab corporate e-mail system and is subject to archival and review by
>>>> someone other than the recipient.
>>>>
>>>> -----Original Message-----
>>>> From:
>>>> [mailto:plug-discuss-bounces@lists.plug.phoenix.az.us] On Behalf Of der.hans
>>>> Sent: Tuesday, June 23, 2009 1:18 AM
>>>> To: quatsch
>>>> Subject: Ted T'so on SSD and journalling
>>>>
>>>> moin moin,
>>>>
>>>> The first paragraph in the quote was a comment on Ted's blog. The second is
>>>> Ted's response. Read the blog post at the URL given below.
>>>>
>>>> ###
>>>> #  # 2  tytso  Says:
>>>> March 2nd, 2009 at 1:15 am
>>>>
>>>> @1: I’d thought that the reason to avoid ext3 on SSDs, at least most of the
>>>> ones available today, was not the total number of writes but rather the
>>>> repeated writes to the same place on the disk (that is, the journal)
>>>>
>>>> Norman,
>>>>
>>>> Actually, even the most primitive SSD’s and Flash drives have to get this
>>>> right, because the Windows FAT filesystem are constantly updating the same
>>>> locations on disk (namely for the File Allocation Table), which is in a
>>>> fixed location on disk. So although there’s not a lot we can count on in
>>>> terms of the quality of flash drives’ wear level, it’s very likely they get
>>>> that right, since otherwise their reliability on basic FAT filesystems,
>>>> which are used in essentially every single digital camera on the market,
>>>> would be pretty bad.
>>>> ###
>>>>
>>>> http://thunk.org/tytso/blog/2009/03/01/ssds-journaling-and-noatimerelatime/
>>>>
>>>> ciao,
>>>>
>>>> der.hans
>>>> --
>>>> #  http://www.LuftHans.com/        http://www.LuftHans.com/Classes/
>>>> #  Magic is science unexplained. - der.hans
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>>>
>>>
>>> --
>>> (503)754-4452
>>> http://en.wikipedia.org/wiki/User:LisaKachold
>>> http://tinyurl.com/44zfgx  http://www.obnosis.com/motivation/
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>>
>>
>>
>> --
>> A mouse trap, placed on top of your alarm clock, will prevent you from
>> rolling over and going back to sleep after you hit the snooze button.
>>
>> Stephen
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--
A mouse trap, placed on top of your alarm clock, will prevent you from
rolling over and going back to sleep after you hit the snooze button.

Stephen
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