i have a problem , which don't think is ROM related but any help will be appreciated
i encounter very slow write speed to my sd card (cards....i have a class 6 Kingston 16 GB, and original samsung 8 GB class 4)
when i write down files the speed is about 2MB/s at the beggining but ends at about 500 KB/s
so there are about 4-5 hours since i started to copy back the data from my sd card (about 10 GB of data) and is not over
i mention that i formated my sd card
run chkdsk, chnage cluster size from 64KB to 8KB with no visible succes
last night i alo run a defrag on my sd card ...which took hours to perform
i also noticed that at small files write speed is much slower
I would appreciate a GOOD advice, because i'm tired of "opinions" and searching the forum & Google
A big Thank You with anticipation
Is this when you access it over your phone, or from a pc?
uros0104 said:
Is this when you access it over your phone, or from a pc?
Click to expand...
Click to collapse
BOTH of them
Hi Saluco
last night i alo run a defrag on my sd card ...which took hours to perform
Click to expand...
Click to collapse
You should not defrag a SD Card.
Take Care
TheQuest
Related
i want to ask if i change a new memory card , after i format it to fat32 wat should i do next ? my friend done this but the phone still cant detect the sd card .. any solution ?
The phone should detect it after it has been formatted. If it's not detecting it, then something has gone wrong with the card or the phone. I suspect a dodgy card.
Really, all you have to do is this:
Backup your old card
Format your new card
copy the backup onto new card
That's all it should be, unless you're using A2SD or soemthing.
If you have multiple partitions, if you are using A2SD, then you might need something epic like Clonezilla to literally mirror the structure of the old SD card onto the new card. If after a format of FAT32 and the card isn't detected at all, then as the previous post said, the card is probably dud.
i going to buy class 10 8 gb memory card .. does it make the phone load the file faster ? or i juz get class 4 16g better
quantumandy said:
If you have multiple partitions, if you are using A2SD, then you might need something epic like Clonezilla to literally mirror the structure of the old SD card onto the new card. If after a format of FAT32 and the card isn't detected at all, then as the previous post said, the card is probably dud.
Click to expand...
Click to collapse
A2SD transfer the easy way for users
1 - create a nandroid backup of everything (this includes the A2SD ext partition)
2 - backup EVERYTHING from the mem card to your pc!
3 - insert new mem card
4 - run rom manager (download it from the market if you have to!)
5 - partition the new card with rom manager (creating an ext partition as well)
6 - Copy everything from the pc BACK to the NEW card!!!!
7 - Restore the nandroid backup!!!!!!!!!
You now have the phone back to the exact state you started with but with a different memory card installed!
buffer size 8kb
Data size 10mb
Write : 5.27mb
read 12.72
this is kingmax class 10 8gb memory card ..izit good ?
any memory card recommended?
keeyie said:
any memory card recommended?
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Click to collapse
i'd also like to know some memory card recommendations.
i found a 16GB class 6, but they're mostly out of stock all places..
if 16gb got class 6 den i will get 1 =)
i have kingston 64 gb sd.i m facing problem it copies the data then suddenly unplug or say iio error. what sould i do..plzz help its 64 gb class 10 i tried sd card reader mobile cables everything but no result ..id doesnot save complete data n say copy cant b done sometimes it unplugs card it self any help?
nabilsweet007 said:
i have kingston 64 gb sd.i m facing problem it copies the data then suddenly unplug or say iio error. what sould i do..plzz help its 64 gb class 10 i tried sd card reader mobile cables everything but no result ..id doesnot save complete data n say copy cant b done sometimes it unplugs card it self any help?
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Click to collapse
It might be because it is EXFAT Formatted, try to backup contents of your SD Card to your PC/Mac and format it to a FAT32 Format using SDFormatter. Unless you need to copy files bigger than 4Gb. Then you have to use EXFAT.
i tried but is saves only 45mb maximum ..it show that it copied 3gb but when i unpluged safed removed it has only 45 mb data in it...always.same do it..what do i do?
nabilsweet007 said:
i tried but is saves only 45mb maximum ..it show that it copied 3gb but when i unpluged safed removed it has only 45 mb data in it...always.same do it..what do i do?
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Click to collapse
If you bought it brand new reformat the card. If its still the same its probably a duff card. Send it back for refund or replacement. Sandisk offer the best service when it comes to dodgy cards I feel.
GT N7105 with XDA Premium......that is all......
nabilsweet007 said:
i tried but is saves only 45mb maximum ..it show that it copied 3gb but when i unpluged safed removed it has only 45 mb data in it...always.same do it..what do i do?
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Click to collapse
EBay SD card maybe? Cheap knock off I guess.
Sent from my GT-N7100 using xda app-developers app
Hello,
around 20th June i've bought a Kingston 32GB Class 10 microSD.
Everything was working correctly, and all my games were running like a charm.
Then suddenly all files became corrupted, and after reboot card became unreadable.
However i managed to read the microSD by formatting it to exFAT through CWM.
I also fixed filesystem errors through chkdsk.
And there's my problem: I'm experiencing frequent graphics freezing in nearly all games (mostly in GTA SA), where they weren't present before data corrupt.
Seems like the reading speed got slower or something.
Anybody experienced similar problems or know the solution?
ScarabeusIV said:
Hello,
around 20th June i've bought a Kingston 32GB Class 10 microSD.
Everything was working correctly, and all my games were running like a charm.
Then suddenly all files became corrupted, and after reboot card became unreadable.
However i managed to read the microSD by formatting it to exFAT through CWM.
I also fixed filesystem errors through chkdsk.
And there's my problem: I'm experiencing frequent graphics freezing in nearly all games (mostly in GTA SA), where they weren't present before data corrupt.
Seems like the reading speed got slower or something.
Anybody experienced similar problems or know the solution?
Click to expand...
Click to collapse
May be the problem is from the sd card speed . did u put a higher speed to sd card ( default is 128 kb/s ) if not u can check an app called rom toolbox that has an option to higher up or slow down the speed and check if the speed is more than 1028 kb ( the safest maximum for class 10 sd card ) and if it is 128 kb higher it up to 512 kb or so . if it didn't work try to format sd card on pc with sd card reader not with the phone and if this didn't work ur sd card is dead ....
faroukovic3 said:
May be the problem is from the sd card speed . did u put a higher speed to sd card ( default is 128 kb/s ) if not u can check an app called rom toolbox that has an option to higher up or slow down the speed and check if the speed is more than 1028 kb ( the safest maximum for class 10 sd card ) and if it is 128 kb higher it up to 512 kb or so . if it didn't work try to format sd card on pc with sd card reader not with the phone and if this didn't work ur sd card is dead ....
Click to expand...
Click to collapse
It was 512kb. Boosting to 1024kb gave nothing.
This is annoying... I`m trying to copy things from the internal storage to the SD card and the max speed is 1.5MB which drops off quickly to 0 .... waits... then copy's a bit more.. I mean 700MB from internal storage to SD made the phone reboot after 20 minutes and all it had copied was ~ 350MB
The SD card is a 64GB Samsung EVO so it's not a cheep version.
I also did a bench with A1 and got:
READ: 16.51MB
WRITE: 3.09MB
Reading the net it seams i should be getting way more then 2MB which pauses for 20 seconds then another burst.... it's weird
Maybe i did not format the SD correctly
I had a 128GB microSD card in my LG G3, a 128GB Samsung EVO Select microSD card. After only a year I was seeing slow read/write benchmark speeds (using A1 SD Bench) & was also seeing some lag so I replaced it with a 128GB Sandisk Extreme Pro. But the speed for the Sandisk is the same.
The app A1 SD Bench shows them both doing Read: 42MB/sec, Write: 38MB/sec. I've seen others that see speeds of 70MB/sec and higher. Both cards are formatted exFAT.
I'm concerned that maybe I've made tweaks using Trickster Mod that might have slowed the card down? Or could there be another reason? Thanks to anyone that can help.
I don't know what's causing that. I also had a problem with my LG G3 851 and the SD card. Basically the SD card died and I can't read anything from it nor reformat nor anything. It was a 128gb SanDisk, one of the faster ones, running Lineage OS 16.1. I ended up just figuring I didn't really need the SD card in my case. I'm sorry your's is running slow. All I can say is try to factory reset the phone back to stock and see if that solves the problem.
Factory reset ("saying a prayer") is too drastic a step and rarely solves anything, but I did solve the problem.
Using Desk Genius on my PC I created a single partition on the microSD card (Most people just format, you must create a partition first). Then using Windows 7 disk format I formatted the microSD card for exFAT, 128K cluster size. Now the microSD card flies!!!
It took me a full weekend of testing to come up with this. I tried using various tools to partition, and various tools to format, all with different cluster sizes. This gave me the best performance.
Tools included Disk Genius, EaseUS Partition Master, MiniTool Partition Wizard, Windows 7 built-in tools, and a lot more.
EDIT: I forgot to add, after formatting you need to go back into Disk Genius and do a 4K alignment check (it's in the Tools menu). Alignment to 4K boundaries prevents extra read/write cycles and improves performance.
If it fails 4K alignment then you need to partition and reformat all over again.
That's awesome! I'll keep that in mind if I go get another SD card some day. I didn't realize that the format could mess up the read/write speeds. I wonder if a wrong format made my SD card die. If I do get another SD card, this time I'll keep the receipt in case it stops working again. I had a PNY SD card die on me in my Surface 3 as well.
It's not just the reformat, you have to repartition as well. And I forgot to mention you need to check for 4K alignment too (I edited my OP).