Related
Every once in a while I'm having the same sort of problem whith my storage card, whether it's MiniSD, MicroSD or SDHC. To be more precise some/all files disappear leaving nothing but some bloody FILE*.CHK files, which seem to be completely useless. I did some google-search and there seems to be no practical way of retrieving the lost data.
I'm curious: why is it happening in the first place and has anyone been successful in combatting this issue? (don't tell me about backups )
I have yet to have a problem with the mem card in my Kaiser. it is a 6Gb Sandisk. Do you have an off-brand?
My old HTC Sable had issues like you describe...
arent .chk files left over by scandisk on a windows box?
this could be due to not ejecting the hardware before removing it from the pc!
under what circumstances are you experiencing this
Yes when combatting this issue I find that handguns are useless and shotguns are all the rage. When trying to do the official combat I like to taunt the problem a bit with the pistol (which just makes it mad) and then go all out with the shot gun. It's always good to have someone else at your side with a missle launcher or something, ya know, for the hardcore combat.
.CHK files are recovered file fragments from Scandisk. I would try a low level format of your SD card and then reformat as FAT32 (for the love of ____, do not use NTFS). NTFS is not designed for removable media and will give you nothing but headaches.
How do you low level an SD card. You only really hear about that with SCSI drives now days, Or do you mean a full format?
im not sure that the post that says dont format ur sd card as ntfs is accurate, while it may be true that a windows mobile device will probably not recognise this disc at all, i use an sd card formatted as ntfs in a laptop with no problems!
try hdtune @ www.hdtune.com/ this might be useful!
ChumleyEX said:
How do you low level an SD card. You only really hear about that with SCSI drives now days, Or do you mean a full format?
Click to expand...
Click to collapse
You can use an SD card reader with a PC and use a program such as Boot/Nuke to do a DoD-certified erase of the contents.
andaroo said:
im not sure that the post that says dont format ur sd card as ntfs is accurate, while it may be true that a windows mobile device will probably not recognise this disc at all, i use an sd card formatted as ntfs in a laptop with no problems!
Click to expand...
Click to collapse
You can format removable media with NTFS, but you need to be extremely careful since NTFS is constantly caching data from the drive. Unless you disable write-back caching or eject the card each time prior to removing it (which cannot be done on a phone), you run a high risk of corrupting the data on it.
The problem with NTFS on removable media seems to be a windows issue. Not sure if that is windows mobile as well but it also seems to be fixed in a service pack. If I were having problems I wouldn't be using something with user rights and permissions on a device that does nothing with that.
motocrossmann said:
I have yet to have a problem with the mem card in my Kaiser. it is a 6Gb Sandisk. Do you have an off-brand?
My old HTC Sable had issues like you describe...
Click to expand...
Click to collapse
It's Sandisk SDHC 4GB
This is why I released my new software SD Sync Any Kaiser users tried it already? Currently only One way Sync (PPC -> Desktop) happens..
Regards,
Carty..
andaroo said:
arent .chk files left over by scandisk on a windows box?
this could be due to not ejecting the hardware before removing it from the pc!
under what circumstances are you experiencing this
Click to expand...
Click to collapse
Forgot to mention when trying to fix this I used the windows disc-check utility, but initially problem started after I installed one of the games (Tomb Rider I think) and the battery power was down to 2-3% when I turned my Kaiser off. I couldn't access the programm files folder from ppc, and it was empty when I opened it on pc...except there was tombrider.exe left...
NotATreoFan said:
.CHK files are recovered file fragments from Scandisk. I would try a low level format of your SD card and then reformat as FAT32 (for the love of ____, do not use NTFS). NTFS is not designed for removable media and will give you nothing but headaches.
Click to expand...
Click to collapse
Hmmm, interestingly it doesn't display the file system in the properties menu like it would for the hard drives... but I'm pretty sure I didn't format the card...unless was formatted NTFS when first inserted in a device...
ChumleyEX said:
Yes when combatting this issue I find that handguns are useless and shotguns are all the rage. When trying to do the official combat I like to taunt the problem a bit with the pistol (which just makes it mad) and then go all out with the shot gun. It's always good to have someone else at your side with a missle launcher or something, ya know, for the hardcore combat.
Click to expand...
Click to collapse
Great job that you know all this stuff...must have used it alot coz you sound quite like a specialist
You might have forgotten to mention granades - there are different types of them like smoke granades or even those which can kill (OMG!) someone...that kind of stuff...
User X said:
Hmmm, interestingly it doesn't display the file system in the properties menu like it would for the hard drives... but I'm pretty sure I didn't format the card...unless was formatted NTFS when first inserted in a device...
Click to expand...
Click to collapse
If you didn't format it, then it would be FAT32 formatted by default.
Extensive application in MicroSD
User X said:
Forgot to mention when trying to fix this I used the windows disc-check utility, but initially problem started after I installed one of the games (Tomb Rider I think) and the battery power was down to 2-3% when I turned my Kaiser off. I couldn't access the programm files folder from ppc, and it was empty when I opened it on pc...except there was tombrider.exe left...
Click to expand...
Click to collapse
You installed the games in the MicroSD, right?
I experienced it twice, sorted out that it happens when I'm using an application that installed in the MicroSD and then turned the device off. The strange thing that it is only occurred when using a large sized and resource extensive application (especially games), it doesn't happen when using light application such as YahooGo!, MapKing, etc. I end up to install all apps in main memory, and lived peacefully (finger crossed)
I hoped someone could explain why this happen, even better cured it
Regards,
Jeffry
Saving data from *.CHK
User X said:
Every once in a while I'm having the same sort of problem whith my storage card, whether it's MiniSD, MicroSD or SDHC. To be more precise some/all files disappear leaving nothing but some bloody FILE*.CHK files, which seem to be completely useless. I did some google-search and there seems to be no practical way of retrieving the lost data.
I'm curious: why is it happening in the first place and has anyone been successful in combatting this issue? (don't tell me about backups )
Click to expand...
Click to collapse
Actually you still can save your files, it still there just with mixed up name and extention
1. Sort the file by it's file size, you could get an idea what file it was by it's size
2. Change the file extention according to what you think it supposed to be judging by its size, ie:
small file to *.txt and open it with notepad, read what's in it and change it to what it's supposed to be .pwi, .xls, etc
2 - 6 MB files to *.mp3
etc
I know it's painful especially with my 2GB data, also you cannot saved your application this way, but I saved my most recent and important data this way, for the rest I just have to satisfy with my 1 month old backup
If anyone could suggest better way, pleaseee let me know
Just happen again
[email protected]!!! me and my big mouth... it just happen again this morning, same thing, install app in storage card, device turned off and wham!
But this time I did some googling and found this utility really helpfull
http://www.cgsecurity.org/wiki/TestDisk_Download
Well, anyone could explain what caused it and how to prevent it?
Any information will be appreciated
Thanks
jeffry_p said:
You installed the games in the MicroSD, right?
I experienced it twice, sorted out that it happens when I'm using an application that installed in the MicroSD and then turned the device off. The strange thing that it is only occurred when using a large sized and resource extensive application (especially games)...
Jeffry
Click to expand...
Click to collapse
Yes mate! Sounds very much like what happened here - after intstalling Tomb Rider (4-6MB) in the MicroSD I launched it and then soft reset - my program files vanished...And I dont think I could do anything about that, the .CHK files I got after running the checkdisc utility were all the same size - 32kb, something to do with the cluster size I think...
I guess the question of the cause and the way to prevent it remains open...
Bump
No one can help?
Anyone also experienced this problem? Please tell us your experience, who know we could sort out something
Thanks
how is it possible that copying files to sd card over wifi or usb is much more slower than copying to memory of phone. and how to fix it?
because wifi transfer speeds aren't speedy at all since it's very similar to direct downloading off 3g/hsdpa and usb transfers through activesync is nothing compared to the blazing speeds of copying files from a card reader
i know that card reaader is fast but i asked why is coping files to main memory faster than copying to sd card over wifi. because when i download to mainmemory the speed is 250kB and when i download to sd card the speed is 30kB.i want to know why is it so?thx
I noticed this today when trying to send some large files to my SD card. Almost made me feel like the phone is not USB 2. It was going to take several hours but once I yanked the memory card out and put it in my pc it only took a couple of minutes. Good question.
Go for USB and Softick Card Export for Windows Mobile for file operations.
raiisak said:
Go for USB and Softick Card Export for Windows Mobile for file operations.
Click to expand...
Click to collapse
This seems like WM5Storage with a UI make over. Looks like its for Windows Mobile 2003 2005 and 2006... probably a typo on 2005 and 2006. Anyone have them both and can compare speeds?
WM5Storage looks a bit lighter, cab is less than 50 kb... I have the cab attached if you want to check it out! It was working on my last flash (Duttys Hybrid WM 6.1), i haven't installed it yet on this one.
Slow for me too
I thought I was having a real slow copy this morning using USB cable to copy to micro-sd in phone. For camparison, I was copying a little under 4gb of music files to the 8gb micro-sd card and it took like 2 hrs. I would have popped it into the memory card reader on the PC, but for some reason either the reader or the PC (vista 64bit) does not like the 8gb SDHC card.
Mine copys pretty fast if you install du meter I think it will show you the transfer speeds. Maybe you have a generic MicroSD ?
Jonathan1683 said:
Mine copys pretty fast if you install du meter I think it will show you the transfer speeds. Maybe you have a generic MicroSD ?
Click to expand...
Click to collapse
For me, I'm using SanDisk. Do you happen to be using a SDHC card? I never noticed this speed issue copying to a regular 2gb card. Of course, it could be that I am copying 2-3 times more data now and just didn't pay close enough attention in the past.
cardreader works only after flash a new rom a thats all. and wm5torage doesnþt work at all
peto01 said:
how is it possible that copying files to sd card over wifi or usb is much more slower than copying to memory of phone. and how to fix it?
Click to expand...
Click to collapse
This could be because when you download something the device will write little bits of data every time a few kBs are downloaded, so many little writes. Memory cards are VERY slow at writing small blocks.
Downloading to phone memory and then moving to the card with an explorer might be worth a try.
Same problem with many little files, memory cards don't like those.
BTW, the speed of the Kaiser's USB port IS USB1.1-like. Maybe the hardware is USB2-compliant, but as all traffic has to go through the CPU the effective speed isn't any higher. It will take a good 20 mins to copy a 950MB file.
I have a tiny keyring microSD reader that's lightning fast. I have a 2GB card inside that I can use like a common USB disk, and when I need more space or want to transfer stuff to the phone I remove it and put the phone's 8GB card instead.
stevelion said:
I thought I was having a real slow copy this morning using USB cable to copy to micro-sd in phone. For camparison, I was copying a little under 4gb of music files to the 8gb micro-sd card and it took like 2 hrs. I would have popped it into the memory card reader on the PC, but for some reason either the reader or the PC (vista 64bit) does not like the 8gb SDHC card.
Click to expand...
Click to collapse
Hotfix for Windows XP that adds support for SDHC cards that have a capacity of more than 4 GB
http://support.microsoft.com/kb/934428
Not sure that'll work directly for you in Vista 64, but you might find related items. I had to do that to my laptop to get my Tilt's card to read in my work laptop which is running XP 32. I need to get a new card reader at home unfortunately, no matter what I do to it, it won't read SDHC.
Hello all,
I am trying to copy files from my computer to my storage card. I'm currently using WM5Storage. Everytime I try to move the files over, it indicates that my storage card is not formatted, and asks if I wish to format it. I always click NO because I have several cab files on the storage card that I can use in case something happens and I need to reinstall something.
When I try to move things via Windows Explorer (the mobile device folder), I get the same result.
Anyone know how I can accomplish this?
Thanks so much.
when connecting the kaiser to the computer (xp sp3), you can see a new network connexion created and opened at 10 Mbts. That means the usb link is usb 1.1, a poor performance for a material as the kaiser.
Big files, using usb 1.1 are very long to transfer.
Best regards
Autourdupc said:
when connecting the kaiser to the computer (xp sp3), you can see a new network connexion created and opened at 10 Mbts. That means the usb link is usb 1.1, a poor performance for a material as the kaiser.
Click to expand...
Click to collapse
The Kaiser provides USB 2.0 'Full Speed' specs which means up to 12 Mb (as opposed to USB 2.0 Hi Speed which goes up to 480 Mb) BUT it's not the hardware that accounts for the poor file transfer speed, it's Activesync/WMDC. Anyone who has ever seen files transferring across to from a PC with a healthy (but old) 10 Mb NIC will realise the Kaiser via Activesync offers nowhere near that level of performance.
Is there any software, preferably freeware, that is capable of defreagging the internal storage of the diamond?
On my previous devices i have had the benefit of removing the SD card and defragging it on my PC, but this is not possible on the diamond!
Connect your diamond to your pc and select disk drive connexion type. Then go into my computer and find Removable Disk. You can the defrag it using windows as if you were defragging your hard drive
Defragging a flash drive is bad! It will kill it faster.
your answer is here
please read
http://ask-leo.com/should_i_defragment_my_usb_flash_drive.html
while it is true that defragging will introduce more write operations to the storage, the frequency of defragging required to maintain good drive speed is not so high as to be detrimental to the hardware (once every six weeks or so works well for me)
While it may seem that solid state storage will not gain performance from defragging this is simply not the case. a quick benchmark of your own hardware will prove that there is a boost gained from defragging your storage.
here is an article posted by someone that reflects my own findings and clearly shows an advantage to defragging your solid state storage.
I know it seems illogical that solid state should benefit from a defrag and this myth seems to be further propagated by people who have not tested the benefits themselves, but i have tested and know there is sometimes a massive performance boost (over 40%)
http://tony72.googlepages.com/ppc_frag
no not really
machanical storage like optical and hd's
suffer from fragmention because their seek
time is limited by the fact that fysical heads have
to move to find data
flash and memory however is not machanical at all
and have seektimes in nano secs
so accessing the address space right next to the one
you are currently reading will not really take longer
then addressing one far from it in the flash
so any speed up you may feel is likely to be placebo
If you are afraid defraggers will too often write your SD card on the same place:
- copy the whole SD card to your PC
- delete de contents of de SD card
- copy back the contents from your PC to the SD card
In this way the content will be likely stored without fragmentation and it will be written only once.
Rudegar said:
no not really
machanical storage like optical and hd's
suffer from fragmention because their seek
time is limited by the fact that fysical heads have
to move to find data
flash and memory however is not machanical at all
and have seektimes in nano secs
so accessing the address space right next to the one
you are currently reading will not really take longer
then addressing one far from it in the flash
so any speed up you may feel is likely to be placebo
Click to expand...
Click to collapse
I understand all the technical read/write motions of the head in a HDD and why it takes longer if it has to jump about, and i know solid state has no such impairment so defragging should not make any difference but it does.
The speed up is not something i "feel" but a measured improvemnt shown in benchmarking the storage read/write both before and after a defrag. No placebo effect involved
ZuinigeRijder said:
If you are afraid defraggers will too often write your SD card on the same place:
- copy the whole SD card to your PC
- delete de contents of de SD card
- copy back the contents from your PC to the SD card
In this way the content will be likely stored without fragmentation and it will be written only once.
Click to expand...
Click to collapse
This is an excellent idea
OK, I'm out of space on my 820 because "Other" is taking up over 3GB of space and WP8 refuses to touch my 64GB microSD card.
I went through uninstalling nearly all of my apps last night, cleared maps, cleared IE history/temp data, removed facebook/twitter from accounts, and Other only shrunk down to 2.5GB.
Obviously I re-added those things and am back up to 3.0GB. This phone has 8GB of internal storage. Nearly half of the only storage WP8 can use is taken up by some "mystery data", and there's a thread on WPCentral where someone claims to have uninstalled/cleared everything and still has 4GB or so of data sitting in Other.
Anyone here have insight?
Other is the OS and its files. It needs to be stored and loaded from somewhere.
Sure, they could have a second area of flash just for that, but then it would sit there with unused space the user couldn't use as the flash would always be much bigger than the OS to allow for expansion.
Someone mentioned to plug the SD card into the phone while it is plugged into the PC via USB cable.
No, there is already an indicator for system files and it sits around 1.7GB.
Others have reported up to 8GB of usage taken up by "Other", and nothing short of hard resetting seems to clear it. The size is expanding, but it doesn't seem to correlate to any particular addition (IE history, cache, maps, etc). Unless you're suggesting wp8 just increases in size for no reason, this isn't the system.
Sent from my 820 using Board Express
link68759 said:
No, there is already an indicator for system files and it sits around 1.7GB.
Others have reported up to 8GB of usage taken up by "Other", and nothing short of hard resetting seems to clear it. The size is expanding, but it doesn't seem to correlate to any particular addition (IE history, cache, maps, etc). Unless you're suggesting wp8 just increases in size for no reason, this isn't the system.
Sent from my 820 using Board Express
Click to expand...
Click to collapse
I didn't think wp8 supported more than 32gb cards. I have a problem with that other folder too. The thing that bothers me is the fact that this is my most advanced device I've ever owned, yet I reached the phone storage limit, which was not ever a problem with windows mobile. With wm, I could just install aps right on the SD. This would solve the problem for us. Even my hd2 (with android dual boot, then wp7.8) has way more apps and games and never saw this problem.
aptness leaderships said:
I didn't think wp8 supported more than 32gb cards. I have a problem with that other folder too. The thing that bothers me is the fact that this is my most advanced device I've ever owned, yet I reached the phone storage limit, which was not ever a problem with windows mobile. With wm, I could just install aps right on the SD. This would solve the problem for us. Even my hd2 (with android dual boot, then wp7.8) has way more apps and games and never saw this problem.
Click to expand...
Click to collapse
I think WP8 itself supports any size card- it IS using the desktop kernel after all.
Varying phones have different hardware support though. The WP8 Lumia line supports up to 64GB I think. I have about 40GB of music on my 64GB SD card and it's working well in WP8.
link68759 said:
I think WP8 itself supports any size card- it IS using the desktop kernel after all.
Varying phones have different hardware support though. The WP8 Lumia line supports up to 64GB I think. I have about 40GB of music on my 64GB SD card and it's working well in WP8.
Click to expand...
Click to collapse
cool, I didn't know. I'm using a 16 GB class 6. Works great. I have full phone storage, mostly empty card. Hopefully we will get the option to install on SD. I would rather it be official, but xda is good for this sort of problem.
Ok so i've been using the SanDisk Ultra 32GB MicroSDHC Class 10 sdcard in my note 2 and when i filled it up i then went out and bought the SanDisk Ultra 64GB MicroSDXC Class 10 UHS sdcard. I want to transfer everything thats on that 32gb card to my new 64gb and keep going. Obviously, ideally having about 32gb of free space when i put the 64gb card into my phone. I cant seem to get this to work right for some reason.
I took the filled up 32gb card out of my phone put it into the adapter it came with and then put that into the sd card reader thats built into my windows 8 laptop. Copied the entire card to my desktop and it turns out to be 37gb worth of data some how?? The 32gb card is using fat32 and the new 64gb card is using exfat...not sure if that matters in any of this? Then I copied that entire folder to the blank 64gb card and windows is telling me i only have 15gb of free space left on the card. The 64gb card seems to read in windows as only about 60gb btw. Where my extra 4gb? regardless...even 60gb minus the 37gb copied to the card should give me at LEAST 23gb....not 15gb. So not sure whats going on here??
THEN i formatted the 64gb card again using NTFS, added back all the copied files from my 32gb and it said i had about 20gb of space left. I suppose thats better but still not what im looking for and i read that i shouldnt really be using NTFS anyways. So then I tried formatting the card in my phone with TWRP and same thing happened as before, only showing 15gb of free space with the exfat format. I noticed in the windows format utility i can chose an Allocation Unit Size...I had left it at the default...not sure if I should be changing that to one of the larger numbers?
Anyway, I just want to transfer my 32gb card to the new 64 gb card and have about 32gb of free space on there....any help with this would be great, thanks!
It depends on a few things. First is the average size of the files to be stored and retrieved. Also the number of files to be stored and retrieved. A single file may be stored in several segments. The last segment will probably not be full, hence wasted space that cannot be allocated. Smaller segments would result in less wasted space, but more segments per file. Larger segments would yield less segments per file but more waste.
All the segments are tracked by the FAT (file allocation table). This index keeps track of all the segments on your storage device. A smaller allocation unit size (segment) would yield in a larger FAT. This will also slow down your read/write speeds. The reverse is also true.
*It has been awhile since I had studied this stuff so my FAT might be a little randomized.
I'm not sure what you go going on.
Couple of quick comments. Not possible to have more data on the card than it's capable of holding; ie 37GB of data on a 32GB card. You may have some compressed files of something, but the compressed files are still a certain size until uncompressed. So, something may have gotten messed up. It happens.
As for your new card having less than 64GB of data, that is normal and expected. There is always some space lost for file allocation tables and various other stuff needed for devices to connect to the card.
As for the new card, since it blank, best thing to do, format using your phone. It's the best place to do it. It will guarantee it'll be formatted in a way that the phone is guaranteed to read and write. And it doesn't take that long; five minutes at the most in my experience, and usually it's more around two. If your computer can read and see the formatted card, I would than just copy/cut the files over to the phone that way, and not use the card reader that came with it. It does take a lot more time, but other than corrupted files, it's always works.
If fact, I almost never use those card readers. When I get a new card or phone and need to transfer data, I just connect it the computer, transfer files over to the computer that way. Format the phone storage or new microSD card (in the phone), than transfer from the computer to the new phone or microSD. Other than a file here and there, no issues. And of those few files, it usually turns out the file got corrupted because I won't be able to open on the PC, phone, or anywhere else. And the problem files are found when transferring from the phone to the PC. The biggest knock on this method, it can be very time consuming, especially if there are bad files.
Other thoughts, I don't recall Android being a NTFS friendly. I thought it was just FAT or exFAT (I believe this is what it generally uses). FAT32 is the arguably the cross platform friendliest since Windows, OSX, Linus, and so forth and all read and write to it. It does have a 4GB file limitation, which depending on what you're using, can be a big problem, especially with video files. I don't recall exFAT file size limit, but it's more than 4GB.
Thanks so much for the info guys! For whatever weird reason it seems the exta gigs of data that transferred off the sdcard was actually files i had deleted a while back...not sure why they were still on there but my phone was reading them as deleted. Not sure why they would copy back to the computer though when i never even saw them to select.