MCM
Posts: 13
Joined: Sun May 19, 2013 7:50 pm

SD card issues

Wed Jun 12, 2013 9:35 am

Hello

I have software on a 8g SD card. When i tried to clone ir, the new SD card did not have sufficient free space even though it was also a 8g card. I then decided to clone the 8G card to a 16GSD card.

The raspberry worked great on the 16G card but after a week it just stopped working. If i replce the SD card with another card it worked fine which means it is not a device error.

This problem has occurred twice with two different pi and different SD cards.

Any suggestions as to what is causing this issue?

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RaTTuS
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Re: SD card issues

Wed Jun 12, 2013 9:40 am

not all cards are the same size 8GB on one may be slightly less on another [for a varity of reasons]
you can rsync the images to a device on the network or dd the partition or parted the partition to be slightly smaller

what are you running ?

what errors ?

my suggestion is power
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MCM
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Re: SD card issues

Wed Jun 12, 2013 9:45 am

I am not getting an error as such. The pi just stops working after a couple of days. I tried hanging power cables etc but that did not fix the problem. Only once i replaced the SD card did the pi start working again.

All the SD cards i use are mirrored so they have the software etc on all of them.

I run a software that plays music from a playlist

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RaTTuS
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Re: SD card issues

Wed Jun 12, 2013 9:50 am

well what sort of stops working - how far into the boot does it get ?
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MCM
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Re: SD card issues

Wed Jun 12, 2013 4:07 pm

When i connect the network cable, there are no green lights etc. All i have is the red light. I cannot remotely connect to the pi because it it does not appear on tha network. If i put another SD hard then the pi is fine

MCM
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Re: SD card issues

Wed Jun 12, 2013 6:23 pm

After booting up, i get the following error message:
No filesystem could mount root
kernel panic - noy syncing: VFS unable to mount root fs on unknown-block


any ideas? Is the SD card corrupt? It was working well for a week - 24/7

tvoverbeek
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Re: SD card issues

Wed Jun 12, 2013 6:28 pm

Yes, your SD card is corrupt. Your Pi can boot from the /boot partition, but when it tries to mount the ext4 partition with it fails and hence cannot continue. This is assuming you have Raspbian, but other distributions are similar.
Had the same happen to me this week. Had to reimage my SD card.

Good luck (hope you have a backup)

MCM
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Re: SD card issues

Wed Jun 12, 2013 7:08 pm

Thank you. I luckily have more than one backup. In total I have 20 SD cards...of which two are corrupt. Seems a little high but what to do??

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