Re: OT: Compact Flash Longevity; was Re: dd image file to compact flash takes very long

2005-11-08 Thread Alexander Hall
Matt Garman wrote: Has anyone else out there been brave enough to go rw on their CF cards? Results? I have been brave (read: lazy) enough to keep my Soekris running with a single root partition mounted r/w on my (home) gateway Soekris box since i got it for my birthday in June (how pleased

Re: OT: Compact Flash Longevity; was Re: dd image file to compact flash takes very long

2005-11-08 Thread Shane J Pearson
On 09/11/2005, at 6:38 AM, Alexander Hall wrote: Has anyone else out there been brave enough to go rw on their CF cards? Results? I have been brave (read: lazy) enough to keep my Soekris running with a single root partition mounted r/w on my (home) gateway Soekris box since i got it for

Re: OT: Compact Flash Longevity; was Re: dd image file to compact flash takes very long

2005-11-08 Thread Andreas Bartelt
Hi, Matt Garman wrote: ... Has anyone else out there been brave enough to go rw on their CF cards? Results? I'm using a 512 MB Sandisk Ultra II 24/7 in a home server for about 2 years now. No problems. I suppose power failures can be a problem with CompactFlash cards (don't know if it

dd image file to compact flash takes very long

2005-11-07 Thread Didier Wiroth
Hello, I've build an image file with opensoekris for 256 mb sandisk compactflash. The writing of the image file takes very long (102188 bytes/sec), see the output below (I interupted it after 20 minutes). How long should it normally take to write a 256mb to a compactflash card? For me it takes

Re: dd image file to compact flash takes very long

2005-11-07 Thread Stuart Henderson
--On 07 November 2005 17:14 +0100, Didier Wiroth wrote: I've build an image file with opensoekris for 256 mb sandisk compactflash. The writing of the image file takes very long (102188 bytes/sec), see the output below (I interupted it after 20 minutes). Give dd a larger blocksize. CF works

Re: dd image file to compact flash takes very long

2005-11-07 Thread knitti
On 11/7/05, Didier Wiroth [EMAIL PROTECTED] wrote: Hello, I've build an image file with opensoekris for 256 mb sandisk compactflash. The writing of the image file takes very long (102188 bytes/sec), see the output below (I interupted it after 20 minutes). How long should it normally take

Re : Re: dd image file to compact flash takes very long

2005-11-07 Thread Didier Wiroth
Sorry I forgot to post my dmesg ;-((, here it is. For curiosity, which size do your compactflash card have that you use on your embedded devices? regards didier [demime 1.01d removed an attachment of type application/octet-stream which had a name of dmesg.boot]

Re: dd image file to compact flash takes very long

2005-11-07 Thread Chris Kuethe
Last time I did this, I used the block device, rather than the character device. Also, I think I used 2KB blocks, instead of 512B. And then I found it was much faster to build a proper filesystem on the CF, mount it, populate it with tar/cpio/restore and then do the installboot. CF isn't noted

Re : Re: Re : Re: dd image file to compact flash takes very long

2005-11-07 Thread Didier Wiroth
hi, With a blocksize of 2048, it took 10 minutes now, far better ... :-)) - Message d'origine - De: knitti [EMAIL PROTECTED] Date: Lundi, Novembre 7, 2005 8:07 pm Objet: Re: Re : Re: dd image file to compact flash takes very long On 11/7/05, Didier Wiroth [EMAIL PROTECTED] wrote

Re: Re : Re: dd image file to compact flash takes very long

2005-11-07 Thread Chris Kuethe
On 07/11/05, Didier Wiroth [EMAIL PROTECTED] wrote: For curiosity, which size do your compactflash card have that you use on your embedded devices? 256M. You can fit bsd+base+etc+man into 128M if you delete some stuff, but as it's getting difficult and expensive to find things smaller than

OT: Compact Flash Longevity; was Re: dd image file to compact flash takes very long

2005-11-07 Thread Matt Garman
On Mon, Nov 07, 2005 at 01:00:18PM -0700, Chris Kuethe wrote: On the subject of logging to CF, I'm now running my CF cards rw, and using them like a normal disk. I've been doing this for at least 6 months now, and I'll post something when I start seeing failures. Are you using regular CF

Re: OT: Compact Flash Longevity; was Re: dd image file to compact flash takes very long

2005-11-07 Thread C. Bensend
Of course, I don't know if that's a legitimately more durable CF card, or just marketing. Has anyone else out there been brave enough to go rw on their CF cards? Results? Henning has covered the lifespan of these things several times on [EMAIL PROTECTED] Benny -- Young lady, I yelled at

Re: OT: Compact Flash Longevity; was Re: dd image file to compact flash takes very long

2005-11-07 Thread Chris Kuethe
On 07/11/05, Matt Garman [EMAIL PROTECTED] wrote: Are you using regular CF cards? What is the role of the system for which you did this (i.e. does a lot of writing occur)? Yup, regular cards from one of the big-box retailers. I'm writing them as /var/log FYI, you can buy industrial compact