..but this one isn't SBS's fault!

A cautionary tale, not related to bug 16613:

For the past year or so, on occasion, I've found that SBS hasn't been
able to complete a wipecache scan of my library.  Unlike the symptoms
in bug 16613, in this case the scanning fault would hang the whole
server.  The server wouldn't even respond to a ping and I would have no
choice but to power-cycle the machine.  On my Fedora 12 box, this would
happen occasionally, like 1 time in 5.

Earlier this week, I regrooved that box with Ubuntu server 10.04LTS. 
After getting everything configured, I had 7.6 attempt a scan of my
music library, which lives on a 2T seagate drive formatted NTFS.

No dice.  Now, the scanner hung the system on *every* attempt to scan
the library.  What to do?

I yanked the audio drive and connected it to my Win7 box and ran a
chkdsk on it.  No problems with the drive...no errors, none.  I even
spent a day running the check with the "scan for and attempt recovery
of bad sectors" option.  Again, not a single error was reported. 
Returning the drive to the ubuntu server, SBS still couldn't complete
the scan without the server hanging.

Back to the Win7 box went the audio drive.  This time I performed a
Disk Defragmenter analysis on the drive.  It reported back less than 1%
fragmentation.  I went ahead and defragmented the drive anyway.

Now, with the audio drive back in the ubuntu box, SBS's scanner
completed the scan perfectly.  No hiccups at all.

So: what can we conclude here?  Is there, in fact, a fault with the
drive that chkdsk fails to find, but because the defragmentator moved a
file while consolidating it, the fault isn't triggered now?  Or is this
instead a ntfs-3g driver bug?

In any event, this clearly had nothing to do with SBS.

Moral:  linux OS + ntfs-3g system hangs on scanning?  Try defragging
the ntfs drive when connected to a windows system.


-- 
gharris999
------------------------------------------------------------------------
gharris999's Profile: http://forums.slimdevices.com/member.php?userid=115
View this thread: http://forums.slimdevices.com/showthread.php?t=84131

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