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Problem running fsck on SD card containing raspberry pi distro

Hello all,
I have Arch linux installed on a 4GB SD card for my raspberry pi. Strange things were happening lately so I took the SD out and ran fsck on my Ubuntu computer. By running fsck I was getting a lot of errors so I tried running fsck with the -a option. But I got:

Code:

panos@ubuntu:~$ sudo fsck -a /dev/sdf2

fsck from util-linux 2.20.1

/dev/sdf2 contains a file system with errors, check forced.

/dev/sdf2: Resize inode not valid.  



/dev/sdf2: UNEXPECTED INCONSISTENCY; RUN fsck MANUALLY.

        (i.e., without -a or -p options)

so i run fsck without -a. After getting lots of errors (hitting enter accepting default choices) I start getting errors as follows:

Code:

Directory inode 45366 has an unallocated block #215970.  Allocate<y>? yes



Directory inode 45366 has an unallocated block #215971.  Allocate<y>? yes



Directory inode 45366 has an unallocated block #215972.  Allocate<y>? yes



Directory inode 45366 has an unallocated block #215973.  Allocate<y>? yes



Directory inode 45366 has an unallocated block #215974.  Allocate<y>? yes



Directory inode 45366 has an unallocated block #215975.  Allocate<y>? yes



Directory inode 45366 has an unallocated block #215976.  Allocate<y>?

The problem is that I have to keep the enter key pressed all the time, and these errors just never end. I am sitting with the enter key pressed for over an hour and the errors just keep on. How can I overcome this to fix my SD?

The easiest way is to reformat and restore it from your backup. (You do have a backup I hope)
Depending on how much the card has been used, you may need to consider replacing it soon.

Can you still access the card to retrieve your data files?

I do have a backup but it is a little old.. The card is still accessible

Then what I'd do is backup all data files from the home directory and 're-flash' with the latest disk image. These flash memory cards tend to go wonky from time to time and, since they're only a few GiB, it's generally easier to reformat than to try to solve file system errors on them.
I usually use dd to make a simple, uncompressed backup which I can just dd back to the card whenever I need to 'restore' it. Works even better than a Windows restore point. ;)

You can also try a "fsck -y" which answers yes to those questions...

same problem here i run
e2fsck -fy /dev/sda2 for the last 24 hours and i still get:
Directory inode 656034 has an unallocated block #291984. Allocate? yes
however the block # is advancing