RE: Damaged images

2011-03-16 Thread Tanya Love
. -Original Message- From: pdml-boun...@pdml.net [mailto:pdml-boun...@pdml.net] On Behalf Of Tim Bray Sent: Monday, 14 March 2011 11:24 AM To: Pentax-Discuss Mail List Subject: Re: Damaged images I've never seen that, but my first suspicion would be the SD card starting to go flaky. -T

Re: formatting SD flash memory (rant) - was RE: Damaged images

2011-03-15 Thread Boris Liberman
On 3/14/2011 10:25 PM, Krisjanis Linkevics wrote: Now whether cards become bad with time or not is mostly dependant on the hardware/software controller on the card itself - depending on how good it is at choosing places to write files and how good it is at marking the bad spots on the card - the

Re: Damaged images

2011-03-15 Thread Boris Liberman
On 3/14/2011 5:20 PM, Eric Weir wrote: On Mar 14, 2011, at 10:28 AM, Boris Liberman wrote: Reasonable universal readers cost like $10-$15 here. I am sure it is even less across the ocean. No need to buy a new Mercedes in order to wrap into it a CD player, you know. Yeah, kinda silly. We

Re: Damaged images

2011-03-15 Thread Boris Liberman
On 3/14/2011 10:52 PM, AlunFoto wrote: I had an issue with one particular card inside an OptioS in 2005. It was while visiting Boris in Israel, too. Maybe he's got something contagious in the air or something. :-) -But never had a problem with any DSLRs or cards. The *istD use CF cards, btw.

Re: formatting SD flash memory (rant) - was RE: Damaged images

2011-03-15 Thread John Francis
On Mon, Mar 14, 2011 at 09:16:11PM -0400, Bruce Walker wrote: On 11-03-14 9:07 PM, steve harley wrote: of course reformatting frequently will increase the number of writes of those directory blocks, and thus wear those blocks out even faster Yeah, exactly, which is one reason why I don't

Re: Damaged images

2011-03-15 Thread Boris Liberman
On 3/14/2011 4:58 PM, Krisjanis Linkevics wrote: I am sure every time is a huge overkill. Just using it in a reader that can mount it properly without need for specialized drivers should be enough. I have seen the problem a long time ago with a crappy no-name memory card. Have been using Sandisk

Re: Damaged images

2011-03-15 Thread
--- Original message --- From: Boris Liberman You also had an issue with me braking too hard nearby Haifa University. I am a problematic fellow... Don't take the blame for general Israeli traffic behaviour. :-) -- PDML Pentax-Discuss Mail List PDML@pdml.net

Re: Damaged images

2011-03-15 Thread Boris Liberman
On 3/15/2011 9:12 AM, alunf...@gmail.com wrote: --- Original message --- From: Boris Liberman You also had an issue with me braking too hard nearby Haifa University. I am a problematic fellow... Don't take the blame for general Israeli traffic behaviour. :-) I refuse not to take

Re: Damaged images

2011-03-15 Thread
It is also my obligation to remind you that I am under resolution (thankfully, it has nothing to do with the United Nations) not to use smileys... :-/ -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit

RE: formatting SD flash memory (rant) - was RE: Damaged images

2011-03-15 Thread Krisjanis Linkevics
Kris, I am somewhat confused now. What you say makes perfect sense except one detail. I thought that CF cards were those that had controller on board. The SD cards as I understand don't have controller on board. Therefore it makes certain sense (may be not too much sense, but still) to write

Re: formatting SD flash memory (rant) - was RE: Damaged images

2011-03-15 Thread Boris Liberman
On 3/15/2011 11:29 AM, Krisjanis Linkevics wrote: SD cards have controllers inside as well. This is hard data from an Apacer datasheet of 2005: The SD Memory Card includes an intelligent controller that manages interfaced protocols and data storage and retrieval as well as Error Correction Code

RE: formatting SD flash memory (rant) - was RE: Damaged images

2011-03-15 Thread Krisjanis Linkevics
Controllers in modern cards are designed so as to balance writes across the card. That coupled with good error detection and correction routines should make the card last forever under normal load. That is assuming normal error rate. Could happen that the memory on the cards is produced

Re: Damaged images

2011-03-14 Thread Boris Liberman
On 3/14/2011 3:23 AM, Tim Bray wrote: I've never seen that, but my first suspicion would be the SD card starting to go flaky. -T I second that. Haven't had an image that was damaged by the camera since *istD and 2004. Boris -- PDML Pentax-Discuss Mail List PDML@pdml.net

Re: Damaged images

2011-03-14 Thread Eric Weir
On Mar 13, 2011, at 8:02 PM, Jeffery Johnson wrote: Also if by chance you have other software see if you can bring up the images using it and also you may want to replace the SD card just in case it is getting ready to go bad. Someone else may be able to fully answer this but you may also

Re: Damaged images

2011-03-14 Thread Boris Liberman
On 3/14/2011 3:55 PM, Eric Weir wrote: I don't have a card reader. I import directly from the camera via USB cable. Could I check the card while it's in the camera? Could I use Mac's Disk Utility? Eric, it may be a good reason and good time to buy a card reader. They are inexpensive. Boris

Re: Damaged images

2011-03-14 Thread Eric Weir
On Mar 14, 2011, at 10:02 AM, Boris Liberman wrote: Eric, it may be a good reason and good time to buy a card reader. They are inexpensive. Thanks, Boris. I've been holding out for the moment when I can afford to upgrade my MacBook to one with the card reader built in. Maybe it's time to go

Re: Damaged images

2011-03-14 Thread Boris Liberman
On 3/14/2011 4:23 PM, Eric Weir wrote: Thanks, Boris. I've been holding out for the moment when I can afford to upgrade my MacBook to one with the card reader built in. Maybe it's time to go ahead and get a reader. Doesn't look like I'm going to be upgrading my computer soon. Reasonable

Re: Damaged images

2011-03-14 Thread Bruce Walker
On 11-03-13 7:41 PM, Eric Weir wrote: In my last shooting episode there were two images that the camera could not display. After the import LR displayed a message indicating that there were two images that were unsupported or damaged. Should I expect this kind of thing occasionally? Or does

Re: Damaged images

2011-03-14 Thread Boris Liberman
On 3/14/2011 4:34 PM, Bruce Walker wrote: Be sure and do a full format of your card after grabbing the images off of it. Indeed, it seems like a good practice to format a card in the camera every time the images were copied from it to the computer. Boris -- PDML Pentax-Discuss Mail List

RE: Damaged images

2011-03-14 Thread Krisjanis Linkevics
Indeed, it seems like a good practice to format a card in the camera every time the images were copied from it to the computer. Boris I am sure every time is a huge overkill. Just using it in a reader that can mount it properly without need for specialized drivers should be enough. I have

Re: Damaged images

2011-03-14 Thread Dario Bonazza
Krisjanis Linkevics wrote: Indeed, it seems like a good practice to format a card in the camera every time the images were copied from it to the computer. Boris I am sure every time is a huge overkill. Just using it in a reader that can mount it properly without need for specialized drivers

Re: Damaged images

2011-03-14 Thread Tim Bray
It may be more important to get a new card than a new reader. -Tim On Mar 14, 2011 6:58 AM, Eric Weir eew...@bellsouth.net wrote: On Mar 13, 2011, at 8:02 PM, Jeffery Johnson wrote: Also if by chance you have other software see if you can bring up the images using it and also you may want to

Re: Damaged images

2011-03-14 Thread Bruce Walker
On 11-03-14 10:58 AM, Krisjanis Linkevics wrote: Indeed, it seems like a good practice to format a card in the camera every time the images were copied from it to the computer. Boris I am sure every time is a huge overkill. Just using it in a reader that can mount it properly without need for

Re: Damaged images

2011-03-14 Thread Eric Weir
On Mar 14, 2011, at 10:28 AM, Boris Liberman wrote: Reasonable universal readers cost like $10-$15 here. I am sure it is even less across the ocean. No need to buy a new Mercedes in order to wrap into it a CD player, you know. Yeah, kinda silly. We humans are prone to that, more than we

Re: Damaged images

2011-03-14 Thread Eric Weir
On Mar 14, 2011, at 10:58 AM, Krisjanis Linkevics wrote: I am sure every time is a huge overkill. Just using it in a reader that can mount it properly without need for specialized drivers should be enough. I have seen the problem a long time ago with a crappy no-name memory card. Have

Re: Damaged images

2011-03-14 Thread Eric Weir
On Mar 14, 2011, at 10:34 AM, Bruce Walker wrote: On 11-03-13 7:41 PM, Eric Weir wrote: In my last shooting episode there were two images that the camera could not display. After the import LR displayed a message indicating that there were two images that were unsupported or damaged.

Re: Damaged images

2011-03-14 Thread Eric Weir
On Mar 14, 2011, at 10:45 AM, Boris Liberman wrote: On 3/14/2011 4:34 PM, Bruce Walker wrote: Be sure and do a full format of your card after grabbing the images off of it. Indeed, it seems like a good practice to format a card in the camera every time the images were copied from it to

formatting SD flash memory (rant) - was RE: Damaged images

2011-03-14 Thread Krisjanis Linkevics
But formatting may (although it's no guarantee) repair a glitch in an iffy card and let you continue using it. -bmw Some facts and common sense: SD memory is NAND flash which means the following things: 1) manufacturers ship it with errors already on the chip; 2) it deteriorates over time

Re: Damaged images

2011-03-14 Thread steve harley
On 2011-03-13 17:41 , Eric Weir wrote: In my last shooting episode there were two images that the camera could not display. After the import LR displayed a message indicating that there were two images that were unsupported or damaged. Should I expect this kind of thing occasionally? for

Re: Damaged images

2011-03-14 Thread AlunFoto
2011/3/14 Boris Liberman bori...@gmail.com: I've never seen that, but my first suspicion would be the SD card starting to go flaky. -T I second that. Haven't had an image that was damaged by the camera since *istD and 2004. I had an issue with one particular card inside an OptioS in 2005. It

Re: formatting SD flash memory (rant) - was RE: Damaged images

2011-03-14 Thread Bruce Walker
On 11-03-14 4:25 PM, Krisjanis Linkevics wrote: But formatting may (although it's no guarantee) repair a glitch in an iffy card and let you continue using it. -bmw Some facts and common sense: SD memory is NAND flash which means the following things: 1) manufacturers ship it with errors

Re: formatting SD flash memory (rant) - was RE: Damaged images

2011-03-14 Thread steve harley
On 2011-03-14 14:25 , Krisjanis Linkevics wrote: What formatting these does should be exactly nothing (or equivalent to deleting files) but formatting is done with a piece of software on the host computer (or camera) and therefore can introduce more writes/deletes than necessary. What people

Re: formatting SD flash memory (rant) - was RE: Damaged images

2011-03-14 Thread steve harley
On 2011-03-14 14:54 , Bruce Walker wrote: Now if a bad block is discovered on your Flash device while trying to read the directory structure, I assume that the bad block will immediately be remapped, but the damage is already done. Not physically damaged of course, but files could appear to be

Re: Damaged images

2011-03-14 Thread Eric Weir
On Mar 14, 2011, at 4:29 PM, steve harley wrote: for me it happens approximately once per 10,000 images; it's annoying, but so infrequent that it doesn't trouble me greatly; i have a Transcend class 6 and an ADATA class 10, both 8 GB and both in steady use for about two years Thanks,

Re: Damaged images

2011-03-14 Thread Eric Weir
On Mar 14, 2011, at 4:52 PM, AlunFoto wrote: The *istD use CF cards, btw CF? -- Eric Weir Decatur, GA USA eew...@bellsouth.net -- PDML Pentax-Discuss Mail List PDML@pdml.net

Re: Damaged images

2011-03-14 Thread Dario Bonazza
Eric Weir wrote: On Mar 14, 2011, at 4:52 PM, AlunFoto wrote: The *istD use CF cards, btw CF? Choose among Carbon Fiber, Compact Flash and Cute Fuck :-) Dario -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML,

Re: Damaged images

2011-03-14 Thread Dario Bonazza
Dario Bonazza wrote: Eric Weir wrote: On Mar 14, 2011, at 4:52 PM, AlunFoto wrote: The *istD use CF cards, btw CF? Choose among Carbon Fiber, Compact Flash and Cute Fuck :-) I apologize, let's make it: Choose among Carbon Fiber, Compact Flash and Cute F**k :-) Dario -- PDML

RE: formatting SD flash memory (rant) - was RE: Damaged images

2011-03-14 Thread Bob W
From: pdml-boun...@pdml.net [mailto:pdml-boun...@pdml.net] On Behalf Of Krisjanis Linkevics But formatting may (although it's no guarantee) repair a glitch in an iffy card and let you continue using it. -bmw Some facts and common sense: I'm sorry, but you're going to have to

Re: formatting SD flash memory (rant) - was RE: Damaged images

2011-03-14 Thread David J Brooks
On Mon, Mar 14, 2011 at 5:52 PM, Bob W p...@web-options.com wrote: From: pdml-boun...@pdml.net [mailto:pdml-boun...@pdml.net] On Behalf Of Krisjanis Linkevics But formatting may (although it's no guarantee) repair a glitch in an iffy card and let you continue using it. -bmw Some

Re: formatting SD flash memory (rant) - was RE: Damaged images

2011-03-14 Thread Bruce Walker
On 11-03-14 5:21 PM, steve harley wrote: On 2011-03-14 14:54 , Bruce Walker wrote: Now if a bad block is discovered on your Flash device while trying to read the directory structure, I assume that the bad block will immediately be remapped, but the damage is already done. Not physically damaged

Re: Damaged images

2011-03-14 Thread John Francis
On Mon, Mar 14, 2011 at 02:29:27PM -0600, steve harley wrote: On 2011-03-13 17:41 , Eric Weir wrote: In my last shooting episode there were two images that the camera could not display. After the import LR displayed a message indicating that there were two images that were unsupported or

Re: Damaged images

2011-03-14 Thread John Francis
On Mon, Mar 14, 2011 at 09:52:39PM +0100, AlunFoto wrote: 2011/3/14 Boris Liberman bori...@gmail.com: I've never seen that, but my first suspicion would be the SD card starting to go flaky. -T I second that. Haven't had an image that was damaged by the camera since *istD and 2004. I

Re: Damaged images

2011-03-14 Thread Bruce Walker
On 11-03-14 8:52 PM, John Francis wrote: On Mon, Mar 14, 2011 at 02:29:27PM -0600, steve harley wrote: On 2011-03-13 17:41 , Eric Weir wrote: In my last shooting episode there were two images that the camera could not display. After the import LR displayed a message indicating that there were

Re: formatting SD flash memory (rant) - was RE: Damaged images

2011-03-14 Thread steve harley
On 2011-03-14 18:37 , Bruce Walker wrote: On 11-03-14 5:21 PM, steve harley wrote: On 2011-03-14 14:54 , Bruce Walker wrote: Now if a bad block is discovered on your Flash device while trying to read the directory structure, I assume that the bad block will immediately be remapped, but the

Re: Damaged images

2011-03-14 Thread Bruce Walker
On 11-03-14 4:29 PM, steve harley wrote: On 2011-03-13 17:41 , Eric Weir wrote: In my last shooting episode there were two images that the camera could not display. After the import LR displayed a message indicating that there were two images that were unsupported or damaged. Should I

Re: formatting SD flash memory (rant) - was RE: Damaged images

2011-03-14 Thread Bruce Walker
On 11-03-14 9:07 PM, steve harley wrote: On 2011-03-14 18:37 , Bruce Walker wrote: On 11-03-14 5:21 PM, steve harley wrote: On 2011-03-14 14:54 , Bruce Walker wrote: Now if a bad block is discovered on your Flash device while trying to read the directory structure, I assume that the bad block

Damaged images

2011-03-13 Thread Eric Weir
In my last shooting episode there were two images that the camera could not display. After the import LR displayed a message indicating that there were two images that were unsupported or damaged. Should I expect this kind of thing occasionally? Or does it indicate there may be something

Re: Damaged images

2011-03-13 Thread David Parsons
It's rare, but it does happen. On Sun, Mar 13, 2011 at 7:41 PM, Eric Weir eew...@bellsouth.net wrote: In my last shooting episode there were two images that the camera could not display. After the import LR displayed a message indicating that there were two images that were unsupported or

RE: Damaged images

2011-03-13 Thread Jeffery Johnson
To: Pentax-Discuss Mail List Subject: Damaged images In my last shooting episode there were two images that the camera could not display. After the import LR displayed a message indicating that there were two images that were unsupported or damaged. Should I expect this kind of thing occasionally

Re: Damaged images

2011-03-13 Thread Tim Bray
I've never seen that, but my first suspicion would be the SD card starting to go flaky. -T On Sun, Mar 13, 2011 at 4:41 PM, Eric Weir eew...@bellsouth.net wrote: In my last shooting episode there were two images that the camera could not display. After the import LR displayed a message