Re: [gentoo-user] Re: jffs2 on gentoo

2008-03-18 Thread dexters84
Hi In my system I didn't bother with any of embedded file systems - I've created 1 GB ext2 partition (journalising in ext3 increases read/write count), and it worked just like any other hard drive. Bios detected correct capacity - I was lucky with that, but in case where BIOS doesn't detect C

Re: [gentoo-user] Re: jffs2 on gentoo

2008-03-18 Thread Stroller
On 18 Mar 2008, at 10:33, Florian Philipp wrote: On Tue, 2008-03-18 at 01:47 +, Stroller wrote: On 17 Mar 2008, at 18:10, James wrote: ... Wear leveling is *probably* built into the IDE to CF converter carrier board? Almost certainly not, I'd have thought. Aren't those boards just dumb p

Re: [gentoo-user] Re: jffs2 on gentoo

2008-03-18 Thread Florian Philipp
On Tue, 2008-03-18 at 01:47 +, Stroller wrote: > On 17 Mar 2008, at 18:10, James wrote: > > ... > > Wear leveling is *probably* built into the IDE to CF converter > > carrier board? > > Almost certainly not, I'd have thought. Aren't those boards just dumb > pin-convertors? CF cards "talk" I

Re: [gentoo-user] Re: jffs2 on gentoo

2008-03-17 Thread Stroller
On 17 Mar 2008, at 18:10, James wrote: ... Wear leveling is *probably* built into the IDE to CF converter carrier board? Almost certainly not, I'd have thought. Aren't those boards just dumb pin-convertors? CF cards "talk" IDE. Stroller. -- gentoo-user@lists.gentoo.org mailing list

[gentoo-user] Re: jffs2 on gentoo

2008-03-17 Thread James
dexters84 gmail.com> writes: > > I believe the size of the writes can be relevant as well. > > Stroller. > That was exactly my point. Systems based on cf card as hard drive are > usually small - one function focused devices, hence there is no need for > swap partition. To extend lifetime of

Re: [gentoo-user] Re: jffs2 on gentoo

2008-03-17 Thread Jan Seeger
On Sun, 16. Mar, W.Kenworthy spammed my inbox with > I believe that writing a file to a single location is not the way to do > this: you need to write a byte to the usb key in the same location, but > need to ensure it continually changes: perhaps rotating 1's/0's. > Alternatively, the concern is

Re: [gentoo-user] Re: jffs2 on gentoo

2008-03-16 Thread Neil Bothwick
On Mon, 17 Mar 2008 06:43:28 +0900, W.Kenworthy wrote: > I believe that writing a file to a single location is not the way to do > this: you need to write a byte to the usb key in the same location, but > need to ensure it continually changes: perhaps rotating 1's/0's. > Alternatively, the concern

Re: [gentoo-user] Re: jffs2 on gentoo

2008-03-16 Thread W.Kenworthy
I have been following this thread intermittantly and have not seen a comment on the following: I believe that writing a file to a single location is not the way to do this: you need to write a byte to the usb key in the same location, but need to ensure it continually changes: perhaps rotating 1's

Re: [gentoo-user] Re: jffs2 on gentoo

2008-03-16 Thread Jan Seeger
As a followup, I have actually written said script (in perl), and would welcome any improvement comments. File size of the test file shouldn't matter, since without wear leveling, the same cells should get written over and over again. Only thing I need to do now is run it for a long time... Unfort

Re: [gentoo-user] Re: jffs2 on gentoo

2008-03-16 Thread Alan McKinnon
On Sunday 16 March 2008, Jan Seeger wrote: > Yeah, it's the same here. I read an article in the german computer > magazine c't, and they said that they have tried to break USB sticks > with repeated writes, but have never succeeded (I think they ran > 1 writes, but I could be wrong). That test

Re: [gentoo-user] Re: jffs2 on gentoo

2008-03-16 Thread Jan Seeger
On Sun, 16. Mar, Stroller spammed my inbox with >> >> Well, I've heard otherwise. Use jffs2 or the CF card will wear out >> prematurely... > > I've "heard" lots about using flashdrives for filesystems, but I've never > read on a mailing list anything actually definitive on the subject. I find

Re: [gentoo-user] Re: jffs2 on gentoo

2008-03-15 Thread dexters84
Stroller pisze: On 15 Mar 2008, at 20:17, James wrote: dexters84 gmail.com> writes: Other things you have to remeber concern file system usage, you musn't create swap partition, disable local syslog, log rotation, turn everything except desired daemons etc. Where did you get the id

Re: [gentoo-user] Re: jffs2 on gentoo

2008-03-15 Thread Stroller
On 15 Mar 2008, at 20:17, James wrote: dexters84 gmail.com> writes: Other things you have to remeber concern file system usage, you musn't create swap partition, disable local syslog, log rotation, turn everything except desired daemons etc. Where did you get the idea not to use sw

Re: [gentoo-user] Re: jffs2 on gentoo

2008-03-15 Thread Stroller
On 15 Mar 2008, at 20:08, James wrote: You shouldn't need to do anything special - just copy all files over exactly, and then set up GRUB on the CF card. Well, I've heard otherwise. Use jffs2 or the CF card will wear out prematurely... I've "heard" lots about using flashdrives for filesy

[gentoo-user] Re: jffs2 on gentoo

2008-03-15 Thread James
dexters84 gmail.com> writes: I did this sort of system a while ago. I've used 1GB card with gentoo and cf-ide adapter. There are some tricky parts that nobody mentions. One of them is that I wasn't able to boot from my 1GB "hard drive" when it was connected via 80 pin ide cable, I've dig u

[gentoo-user] Re: jffs2 on gentoo

2008-03-15 Thread James
Dan Farrell spore.ath.cx> writes: > > I have a 4 gig Cf card (sandisk) and a ide-cf card that should > > make the CF card look like an ide hard drive. > > http://gentoo-wiki.com/Mounting_a_block_device_with_JFFS2 > > But it seems vague(outdated) and missing many steps. Or > > am I confused? I'