Re: any drawbacks to using copy-nand and save-nand to install XO images

2008-04-03 Thread Bryan Berry
sorry for the week late reply, was busy w/ teacher training Michael Stone wrote: A much better strategy is to reflash an XO, boot it off of external media (like a USB key), make changes to the NAND, then save-nand, thus avoiding the first-boot configuration junk. Let me make sure my linux-n00b

Re: any drawbacks to using copy-nand and save-nand to install XO images

2008-04-01 Thread Bryan Berry
thanks Michael, this is really helpful On Thu, 2008-03-27 at 15:23 -0400, Michael Stone wrote: Bryan, Several weeks ago, I was asked to do reverse engineer an image created via save-nand for another client and I discovered many unexpected differences that had crept into the image as a

Re: any drawbacks to using copy-nand and save-nand to install XO images

2008-03-31 Thread Jim Gettys
On Thu, 2008-03-27 at 18:50 -0400, Michael Stone wrote: On Thu, Mar 27, 2008 at 12:21:10PM -1000, Mitch Bradley wrote: I would argue that the existence of first-boot configuration changes is in itself a problem. I thought a bit about this last night as I was falling asleep and I came

any drawbacks to using copy-nand and save-nand to install XO images

2008-03-27 Thread Bryan Berry
Other than the fact that the firmware security has to be left disabled to use these commands, are there any technical drawbacks to using these commands? I use them extensively and hope I am not causing some kind of damage to our XO's -- Bryan W. Berry Systems Engineer OLE Nepal,

Re: any drawbacks to using copy-nand and save-nand to install XO images

2008-03-27 Thread Mitch Bradley
Bryan Berry wrote: Other than the fact that the firmware security has to be left disabled to use these commands, are there any technical drawbacks to using these commands? I use them extensively and hope I am not causing some kind of damage to our XO's save/copy-nand don't preserve user

Re: any drawbacks to using copy-nand and save-nand to install XO images

2008-03-27 Thread John Watlington
No damage to the hardware, but we have seen a number of weird problems in the past from this method of building an image. It is not recommended. wad On Mar 27, 2008, at 11:44 AM, Bryan Berry wrote: Other than the fact that the firmware security has to be left disabled to use these

Re: any drawbacks to using copy-nand and save-nand to install XO images

2008-03-27 Thread Michael Stone
Bryan, Several weeks ago, I was asked to do reverse engineer an image created via save-nand for another client and I discovered many unexpected differences that had crept into the image as a result of lack of detailed knowledge of what happens during the first boot and lack of established

Re: any drawbacks to using copy-nand and save-nand to install XO images

2008-03-27 Thread Mitch Bradley
James Cameron wrote: On Thu, Mar 27, 2008 at 03:23:59PM -0400, Michael Stone wrote: A much better strategy is to reflash an XO, boot it off of external media (like a USB key), make changes to the NAND, then save-nand, thus avoiding the first-boot configuration junk. I agree, and

Re: any drawbacks to using copy-nand and save-nand to install XO images

2008-03-27 Thread Michael Stone
On Thu, Mar 27, 2008 at 12:21:10PM -1000, Mitch Bradley wrote: I would argue that the existence of first-boot configuration changes is in itself a problem. I thought a bit about this last night as I was falling asleep and I came to the realization that we would also do a better job of running