Re: Drive ran out of storage, now has space missing

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On Sat, Aug 28, 2010 at 06:56:58PM -0500, Nick Semenkovich wrote:
> A few days ago, a batch process I was running accidentally exhausted
> 100% of my partition's storage. One directory on this partition is
> encrypted with dm-crypt.

Aem, dm-crypt does not support directory encryption. You
must have a dm-crypt'ed partition or file mounted on that 
directory.
 
> After killing the process, I tried to free up some space by deleting
> files from the encrypted directory. Strangely, after RM-ing ~4 GB of
> files, I noticed that "df -h" showed that there wasn't any additional
> free space.

See above. You deleted from the wrong partition.

> df's "Used" column value was decreasing, but the "Avail" column wasn't
> increasing.

Are you sure? That should not happen. Unless you read "used" for
the encrypted device and "avail" for the non-encrypted device.
 
> When I RM-ed files outside of the encrypted directory (but on the same
> partition), "df -h" behaved normally (with "Used" decreasing as
> "Avail" increased).

See above.

> dmesg had many messages of the type:
> [  140.267890] ecryptfs_encrypt_page: Error attempting to write lower
> page; rc = [-28]
> [  140.267894] ecryptfs_write_end: Error encrypting page (upper index
> [0x0000000000000000])

I have no idea what these mean, but they are likely unrelated
to your other issue.

Arno
-- 
Arno Wagner, Dr. sc. techn., Dipl. Inform., CISSP -- Email: arno@xxxxxxxxxxx 
GnuPG:  ID: 1E25338F  FP: 0C30 5782 9D93 F785 E79C  0296 797F 6B50 1E25 338F
----
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If it's in the news, don't worry about it.  The very definition of 
"news" is "something that hardly ever happens." -- Bruce Schneier 
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