2012/2/3 Oleg <support-list@support.elphel.com>: > Carlos, > > Btw, did camogm stop detecting the camera after you disassemble it for the > first time?
no, the disk was detected because after the first disassemble i formatted the disk as you know and there was when i was able to record from camogm, get the disk detected, even work with elphelvision correctly, till the next day, when the disk start again not to be detected... > On 3 February 2012 10:00, Carlos Padial <palidoestud...@gmail.com> wrote: >> >> well, unfortunately I have started to open the camera and examine the >> connections before the arrival of andrey's mail and now the problem is >> more serious. >> The hard disk connection to the plate 10369 has been separated by >> where is welded. >> >> I opened the camera already once before and was alert about the >> sensitive short cable. >> i must say i have been extremely careful when I open the camera, and I >> dont think that has forced the connection at all. I noticed that the >> connection was loose and by moving it slightly it was released. >> >> ??? >> >> 2012/2/3 Sebastian Pichelhofer <sebastian.pichelho...@gmail.com>: >> > Ah, I did not know it is a camera with INTERNAL HDD. >> > >> > Yes makes perfect sense. All my comments assumed it is an external HDD >> > connected via SATA port. >> > >> > Regards Sebastian >> > >> > On Fri, Feb 3, 2012 at 17:16, Andrey Filippov >> > <support-list@support.elphel.com> wrote: >> >> Sebastian, >> >> >> >> 4096 byte blocks are not the problem in the 353 cameras - they all now >> >> have >> >> this block size. Please see our Development Blog post on that matter: >> >> >> >> http://blog.elphel.com/2010/11/elphel-cameras-and-4096-4k-sector-drives/ >> >> >> >> And the disk was correctly formatted and tested _in the camera_ (not in >> >> the >> >> external computer) - it is not a good idea to try to remove it - the >> >> flex >> >> cable is not so easy to handle if you do not have such experience >> >> already. I >> >> believe Carlos should continue to follow Oleg's instructions - it was >> >> he who >> >> formatted and tested the HDD in the camera >> >> >> >> Andrey >> >> >> >> On Fri, Feb 3, 2012 at 8:48 AM, Sebastian Pichelhofer >> >> <sebastian.pichelho...@gmail.com> wrote: >> >>> >> >>> On Fri, Feb 3, 2012 at 16:44, Carlos Padial <palidoestud...@gmail.com> >> >>> wrote: >> >>> >> OK so do I understand this correctly that the new 4K block size of >> >>> >> newer harddisks is the problem: >> >>> >> http://en.wikipedia.org/wiki/Disk_sector ? >> >>> > >> >>> > dont know, but this you say remember me something readed about this >> >>> > digging in the list archive. But i dont fully understand if it was >> >>> > the >> >>> > same case. it was about using ext3... and my disk was formated as >> >>> > ext2... (i believe) >> >>> > >> >>> >> Since the embedded linux in the 353 camera is already several years >> >>> >> old it could well be the case that it has problems with 4K sectors. >> >>> > >> >>> >> Carlos, one idea: Could you prepare the HDD and the partition >> >>> >> tables >> >>> >> on a PC and then see if the camera can talk to it nicely. >> >>> > i am afraid i dont have this kind of conexion for this, i will look >> >>> > for an adapter... >> >>> > what kind of hardware i need for this? >> >>> >> >>> The SATA port on the camera is the very same connector as in any >> >>> normal >> >>> PC. >> >>> If you only have a laptop you can use any external HDD (eg. USB2) >> >>> enclosure. >> >>> >> >>> Regards Sebastian >> >>> >> >>> > >> >>> >> I do think we should put a notice on the wiki about the 4K sector >> >>> >> problem once we have a full understanding, and probably recommend >> >>> >> customers to not use/or use with caution 4K HDDs for now. >> >>> > >> >>> > Yes, i think this shoud be done. But i have not full understanding >> >>> > of >> >>> > the problem yet. >> >>> > >> >>> > So there is no other way? >> >>> > >> >>> > Thanks oleg and sebastian for your support. >> >>> > >> >>> >> Regards Sebastian >> >>> >> >> >>> >> On Fri, Feb 3, 2012 at 14:28, Carlos Padial >> >>> >> <palidoestud...@gmail.com> >> >>> >> wrote: >> >>> >>> Thanks to oleg who kindly help me a lot yesterday, we have narrow >> >>> >>> down >> >>> >>> the problem to this one: >> >>> >>> >> >>> >>> # fdisk -l >> >>> >>> >> >>> >>> Note: sector size is 4096 (not 512) >> >>> >>> >> >>> >>> Disk /dev/hda: 120.0 GB, 120034123776 bytes >> >>> >>> 255 heads, 63 sectors/track, 1824 cylinders >> >>> >>> Units = cylinders of 16065 * 4096 = 65802240 bytes >> >>> >>> >> >>> >>> Disk /dev/hda doesn't contain a valid partition table >> >>> >>> >> >>> >>> So i need to make a new partition table. >> >>> >>> I found about fix tables with cfdisk but seems its not installed >> >>> >>> With the -o option in fdisk the changes seems not to be applied >> >>> >>> at >> >>> >>> all... >> >>> >>> >> >>> >>> someone knows how to proceed? >> >>> >>> >> >>> >>> best regards. >> >>> >>> -- >> >>> >>> Carlos Padial >> >>> >>> surreal.asturnazari.es >> >>> > >> >>> > >> >>> > >> >>> > -- >> >>> > Carlos Padial >> >>> > surreal.asturnazari.es >> >>> >> >>> _______________________________________________ >> >>> Support-list mailing list >> >>> Support-list@support.elphel.com >> >>> >> >>> http://support.elphel.com/mailman/listinfo/support-list_support.elphel.com >> >> >> >> >> >> >> >> -- >> Carlos Padial >> surreal.asturnazari.es >> >> _______________________________________________ >> Support-list mailing list >> Support-list@support.elphel.com >> http://support.elphel.com/mailman/listinfo/support-list_support.elphel.com >> > -- Carlos Padial surreal.asturnazari.es _______________________________________________ Support-list mailing list Support-list@support.elphel.com http://support.elphel.com/mailman/listinfo/support-list_support.elphel.com