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Thread: how can i copy files....slowly....?

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    how can i copy files....slowly....?

    hi
    i have a hitachi deathstar which has been slowly dieing over the last few months, and now, its nearly completely gone.

    it clicks when operating, and its unrecognised in 2/3 of boots, but when it is, its incredibly slow to read from.

    eg - when opening a video or audio file from it, playback from them is jerky as it cannot read the data from the device fast enough.

    before its completely dead, i want to backup all my data from it.
    its a 250GB drive (232GB formatted, with 230GB of used data!)

    i have a new WD SATA 250GB drive to transfer data to, but im having trouble.

    i copied around half the data, but now it wont work. everytime i try, it jus ends up having a DELAYED WRITE FAILURE to the destination drive (as it cudnt read the data from source drive).
    so now i have now working way in which to copy data, yet i can still play media from the drive by opening it into the application. im assuming this is as app's only read the data they need and when they need it, therefore, not alot and not quickly, where as direct copying aims for maximum speed.

    how can i copy these files??

    ive tried setting the drives controller to PIO mode to reduce transfer speeds, but still no joy.

    thanx in advance

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    Re: how can i copy files....slowly....?

    Copy it file by file if your not already, you might find it only fails when it gets to a certain part, yeah you wont get 100% of your data back but then agin if it were that important you'd of sent it away to a data recovery placae or had it backed up right

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    Re: how can i copy files....slowly....?

    I have never experienced the "DELAYED WRITE FAILURE" error on the destination drive. It should just give you a source disk error. You sure your 250GB WD is NOT also failing?

    I would say try to setup a FTP server locally, then use Flashfxp to download from your "local" FTP server. That way you can keep resuming (and skipping existing file) when the drive drops off the IDE controller and you had to start the thing again.

    "DELAYED WRITE FAILURE" error might give you files that seems to have the full size but actually doesn't contain the complete data in it.
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    Re: how can i copy files....slowly....?

    ok, mabye its late, and a very little bit of friday fluid has affected my mind.

    But a delayed write should have nothing to do with read issues surely? Delayed write errors should only happen when a buffer (which is transparent to the source app) file stream, has data queued in it, but doesn't get commited to the physical device.

    Now if said data been written to the file stream, was corrupt, or got interupted, the data been cached in the stream, would still get written? Enless this error can be caused by the file handle been closed badly?

    My point is, it sounds like you might be having problems with your other drive too.
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    boop, got your nose stevie lee's Avatar
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    Re: how can i copy files....slowly....?

    Quote Originally Posted by hsncool View Post
    its a 250GB drive (232GB formatted, with 230GB of used data!)
    this bit stands out to me. i currently have 2 deskstars been running them for 4 years. my previous 2 deskstars, a 40gb and 120gb, had exactly the same problems you are having now...

    i have since worked out a couple of things that cause this..

    1 - don't do a defrag, cancel it half way through, then do a system restart.

    2 - copying or pasting a large file then doing a system restart immediately afterwards will cause problems.

    3 - the drives do NOT like being full of data, mine start getting uppity if i have less than 15gb on a 250gb drive, and from what you have put you only have 2gb left. so copy what you can, then delete it from the deskstar freeing up space. Over time you might find it responds quicker and sort itself out.

    4 - once everythings been copied and deleted off the deskstar, do a defrag on it, then a full format and repartition and it might be ok to use again.


    have you tried using smart/drive fitness test tools on it yet to see what they say?

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    although saying all that - one of my drives that had clicking was terminal, the other died a year later. but i do think that the copy, delete from deskstar method will help the transfer speeds.

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    Re: how can i copy files....slowly....?

    Just a quick question for stevie. How can you defrag the drive if everything has been deleted??
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    Re: how can i copy files....slowly....?

    Quote Originally Posted by TheAnimus View Post
    ok, mabye its late, and a very little bit of friday fluid has affected my mind.

    But a delayed write should have nothing to do with read issues surely? Delayed write errors should only happen when a buffer (which is transparent to the source app) file stream, has data queued in it, but doesn't get commited to the physical device.

    Now if said data been written to the file stream, was corrupt, or got interupted, the data been cached in the stream, would still get written? Enless this error can be caused by the file handle been closed badly?

    My point is, it sounds like you might be having problems with your other drive too.
    Even reading causes writing though by default. For example, updating the 'last accessed' tag on the files.

    You could boot into a Linux LiveCD and mount the disk as read only and try that way? I've no idea how you would mount a drive as read only in Windows.
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    boop, got your nose stevie lee's Avatar
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    Re: how can i copy files....slowly....?

    Quote Originally Posted by Jay View Post
    Just a quick question for stevie. How can you defrag the drive if everything has been deleted??
    hidden system files and such things... and it might give an error like 'can't defrag due to bad sectors'. that was my main reasoning for saying it..

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    Re: how can i copy files....slowly....?

    you can't mount an NTFS drive as read only in Windows.
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    Re: how can i copy files....slowly....?

    Just had a thought - you could use the security permissions for your group and set them all to deny write and modification to the drive/files?

    Not perfect by any means.
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    The late but legendary peterb - Onward and Upward peterb's Avatar
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    Re: how can i copy files....slowly....?

    The Live Cd is prpbably teh best option, otherwise you are looking at software or hardware write blockers - hardware write blockers are expensive, and I don't know of any freeware software write blockers.
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    Re: how can i copy files....slowly....?

    You could knock up a little Robocopy script, output the log to a text file and run it repeatedly until either a) you copy all the data or b) you know which file/s are causing the problem?

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