Strange USB External HD Behaviour

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Re: Strange USB External HD Behaviour

 
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  #11
Feb 7th, 2008
>>>reinstalling Windows doesn't really reveal anything about the problem

Repair installs usually DON'T work because the install puts on the original system files, drivers, etc. that DO NOT work with newer updated files that you get with the OS's updates. Interfile connections are either not there or are not suited to the newer files' needs and vice versa. The end result (in memory, (RAM)) resembles a traffic jam and/or a multi-car pile up. Replacing unsuitable files was hard enough under W3.xx. I expect you can imagine the task of doing the same thing with today's OSs.
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Re: Strange USB External HD Behaviour

 
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  #12
Feb 7th, 2008
Originally Posted by Paddy View Post
False alarm - the problem came back

God dammit.
To what end?
Did you, by chance, check the OS's ability to mount that size disk?

(U posted about the same time I did.)
Last edited by mechbas; Feb 7th, 2008 at 12:09 pm.
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Re: Strange USB External HD Behaviour

 
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  #13
Feb 7th, 2008
The problem is the same as before, in that the drive disappears then reappears as an "unformatted" drive. I can't even scan it with chkdsk when it's in this state.

The drive is 500GB, and I haven't had any trouble with it before. However, I don't think the drive has ever been as full as it is now. I'm currently using 310GB of space. Do you think this could be the issue? I mean, it shows as 500GB no problem, but when you start to accumulate actual data of that size the strange behaviour starts? If this is the case, does Windows XP Pro SP2 have the ability to support these kinds of sizes, maybe with a patch or the like? It didn't even occur to me that this may be a problem. After a cursory search on the net, I see that the motherboard and/or BIOS is a consideration, but I have an ASUS Striker Extreme; one of the latest motherboards.

If this is the problem (that the data, rather than vacant space, is the causing this), I suppose I could partition it once or twice. But I'd rather not attempt that until I'm sure that it will solve the problem.

Thanks mate.
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Re: Strange USB External HD Behaviour

 
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  #14
Feb 7th, 2008
A quick update. I upgraded my BIOS to the latest version, hoping that maybe this would correct the issue, but it did not.

I'm stumped!
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Re: Strange USB External HD Behaviour

 
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  #15
Feb 7th, 2008
>>>does Windows XP Pro SP2 have the ability to support these kinds of sizes
Actually I don't recall myself if it does or not, but it COULD very well be a valid issue. Would have to extensively us my search eng. for that much detail.
>>>one of the latest motherboards
I'm satisfied that the hardware can support that size drive and much larger, however, THAT doesn't mean that the OS will. Updated drivers? they probably don't exist. At the time the XP was first realeased that size drive probably existed only on some mfg.s drawing board. MS usually doesn't change something like that post release, ever.
You might try a partion of at least 75/25%, anything less would be pointless.

If you try to move this drive with the OS intact you're going to have continuous probs. The drivers, etc. are set up for a specific machine, unless they're IDENTICAL, and I do mean that, it ISN'T going to work. If this is only for file storage you can change it from one system to another w/o much prob.
Last edited by mechbas; Feb 7th, 2008 at 8:46 pm.
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Re: Strange USB External HD Behaviour

 
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  #16
Feb 10th, 2008
I decided to check the Event Viewer to see if anything shows up, and I get hundreds of errors relating to my USB drive (I'm assuming it's this drive - in Disk Management the drive is "Disk 1", and the errors relate to \Device\Harddisk1\D, however the USB drive is E, not D. Bloody confusing!). Here is the most prominent error message:

Type: Warning
Source: disk
Event: 51
Error Message: An error was detected on device \Device\Harddisk1\D during a paging operation.
EventID.Net Entry

I also get these errors, but nowhere near as often:

Type: Warning
Source: ntfs
Event: 50
Error Message: {Delayed Write Failed} Windows was unable to save all the data for the file . The data has been lost. This error may be caused by a failure of your computer hardware or network connection. Please try to save this file elsewhere.
EventID.Net Entry

Type: Warning
Source: ftdisk
Event: 57
Error Message: The system failed to flush data to the transaction log. Corruption may occur.
EventID.Net Entry

Type: Error
Source: ntfs
Event: 55
Error Message: The file system structure on the disk is corrupt and unusable. Please run the chkdsk utility on the volume.
EventID.Net Entry

I also noticed that errors were corrected during a boot-time chkdsk, and the log shows the following:

==========================================================

Checking file system on E:
The type of the file system is NTFS.
Volume label is Storage & Downloads.

One of your disks needs to be checked for consistency. You
may cancel the disk check, but it is strongly recommended
that you continue.
Windows will now check the disk.
Index entry Firefox 2.0.0.11.rar of index $I30 in file 0xef points to unused file 0x1f6a.
Deleting index entry Firefox 2.0.0.11.rar in index $I30 of file 239.
Index entry FIREFO~1.RAR of index $I30 in file 0xef points to unused file 0x1f6a.
Deleting index entry FIREFO~1.RAR in index $I30 of file 239.
Cleaning up 3 unused index entries from index $SII of file 0x9.
Cleaning up 3 unused index entries from index $SDH of file 0x9.
Cleaning up 3 unused security descriptors.
CHKDSK discovered free space marked as allocated in the
master file table (MFT) bitmap.
CHKDSK discovered free space marked as allocated in the volume bitmap.
Windows has made corrections to the file system.

488375968 KB total disk space.
324247004 KB in 16267 files.
8032 KB in 373 indexes.
0 KB in bad sectors.
112024 KB in use by the system.
65536 KB occupied by the log file.
164008908 KB available on disk.

4096 bytes in each allocation unit.
122093992 total allocation units on disk.
41002227 allocation units available on disk.

Internal Info:
a0 79 00 00 0b 41 00 00 a8 7e 00 00 00 00 00 00 .y...A...~......
e4 04 00 00 00 00 00 00 3e 00 00 00 00 00 00 00 ........>.......
b8 5f e6 01 00 00 00 00 98 84 1d 07 00 00 00 00 ._..............
76 0a 73 02 00 00 00 00 00 00 00 00 00 00 00 00 v.s.............
00 00 00 00 00 00 00 00 18 0a d3 14 00 00 00 00 ................
60 02 0e 8f 00 00 00 00 e0 3d 07 00 8b 3f 00 00 `........=...?..
00 00 00 00 00 70 77 4e 4d 00 00 00 75 01 00 00 .....pwNM...u...


For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.

==========================================================

Hopefully this will shed some light on the subject. Not for me, obviously, because I haven't a clue.

Cheers
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Re: Strange USB External HD Behaviour

 
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  #17
Feb 10th, 2008
>>>in Disk Management the drive is "Disk 1"
in older ver. of this OS HDs were given the first drive (folder) designations C, D, E, etc. and optical (CD) drives were given the last ones as they were installed, i.e. Master first and slave(if any) second. Currently tho, in WinExpl, the OS puts them in whatever order that you installed them after the initial OS setup.
If you happen to be online while in EventViewer you can click on the event Number and get some interpretation as to what it means, maybe you can make some sense of it, maybe not. I would guess if you're confused now what you get from MS isn't going to help much, but it's worth a try I would think.
CHKDSK usually runs AFTER some manner of OS hang causing you to either push the reset button or the power switch. (if the one in front of the box doesn't work too well the one on the PSU in back most certainly will)
I still haven't checked so I don't really know what, if any drive limitation the OS has but I'm still thinking that 2 partitions is worth a try.
CHKDSK runs under basic DOS mode, the OS generally runs under enhanced mode which may still be what is giving you the "runs" cuz it may not want to mount the entire drive causing an unrecoverable err., reboot, etc.
What CHKDSK said in it's summary is that the drive itself is basically sound. The rest is left to the OS's interpretation.
Last edited by mechbas; Feb 10th, 2008 at 3:02 pm.
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Re: Strange USB External HD Behaviour

 
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  #18
Feb 11th, 2008
I tried partitioning the hard drive, but it failed at around 30 seconds into it. The drive wouldn't show up after that, so I went to the Disk Management options and had to reassign a drive letter.

Very curious. I think if I want to partition it I'll have to delete half of the data from it, which is something I don't really wanna do haha.
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Re: Strange USB External HD Behaviour

 
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  #19
Feb 11th, 2008
Failing partion. Doesn't look good, maybe time to contact mfg. The curious part is that the HD works fine, or so you said, under another OS.
If the partion had took your files would already be gone. If you've got another drive to do a copy, now's the time.
What did you use f/partition attempt?
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Re: Strange USB External HD Behaviour

 
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  #20
Feb 11th, 2008
You're not going to believe this...I think I nailed the problem, and it's so stupid that I feel like crying. I first had the idea of unplugging my printer from the USB, because I got my printer a few weeks ago (sort of the same time as the beginning of my problems) and wondered if maybe this was drawing power away from the USB hub or something. That didn't help, but then my brother suggested that instead of plugging the external hard drive's power cable into a 4-way adapter (along with 3 other devices), I should try to plug it directly into the wall by itself and see if that works. It has apparently solved the problem.

What confuses me is that it worked fine in the 4-way adapter up until recently. Could it be that the accumulation of vast amounts of data made the drive require more power to run than before; power that was lacking in a 4-way adapter populated by 3 other devices?

DimaYasny, is your XP machine using a multi-socket adapter in conjunction with your external drive? If so, try plugging the hard drive directly into a wall socket.

I hope I haven't spoken too soon, but after a surface scan and some downloading to the drive, I'm quite optimistic that things are going smoothly again.

Please, please, please let this be the end of it...

Obviously if things go tits up again I'll be back with a vengeance

Many thanks to you mechbas. If ever anyone deserved a reputation point!

Cheers dudes.

P.S. In my research into hard drive size limits in XP, it was my understanding that after SP2 there are no limits (or at least no limits that any home user would have to worry about). I might be wrong about that, because the info was second hand from another forum. Not sure how reliable it is.

P.P.S I forgot to mention mechbas, I was using Partition Magic to partition the drive, and the errors it gave were something along the lines of "too many bad sectors", which is the same kind of error a surface scan would give me (using Western Digital's own scanning software). I'm assuming that this was just a consequence of the drive disappearing, or at least changing "state", before the scan could finish rather than there actually being bad sectors, because a scan on my brother's system and my own after plugging the drive into the wall showed no errors.

And I'm spent.
"This is one race of people for whom psychoanalysis is of no use whatsoever." - Sigmund Freud on the Irish

"Education is what remains after one has forgotten everything he learned in school." - Albert Einstein
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