Hi,

I am getting some strange errors from an openBSD system that I am
using as a backup server.

I transfer some files onto the system via ftp. (1260 files with a
total size of 60G.)

The transfer works OK and then I try to check the newly arrived
files.

The last file in the set is an md5 file of the whole set.

I now try:

sum -c abc.md5 > result.txt

I get an error.

First, I see a number of IO errors and then finally a message that
the file system is full. (It is not.)

sum: abc.md5: read error: Input/output error

/home2: write failed, file system is full

So, I power the system down and then try to reboot. I get the same
error and eventually, the system refuses to reboot claiming that
one block on the disk cannot be read.

I then moved the disk to a Win2K machine and ran a SMART monitor on
the drive. The monitor reported that the drive was perfect - no
bad sectors and no read errors.

What can be going on here?

It does not look like a disk error - surely SMART would notice it
if it was?

It does not look like a hardware error elsewhere in the system - I
plugged in another drive and the checksums on that drive all
turned out OK.

I`m a bit stuck here. Any suggestions welcome.

The system is based on a Gigabyte EP35 board and the drive is an
almost new Samsung 1.5TB model. It is split into two partitions,
first - where I see the error - is 820G and the second is the
rest. I have tried ffs and ffs2 with the same result.

jpoc

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