Hi,

I have a process that takes data from one drive, processes it, then
writes it to a second drive. Sometimes during the process I'll start
getting delayed-write errors (ID 50 and 51). And sometimes a disk
will "dissapear". Checking the event log the disk dissapeared due to
an Event 132 (Received a REMOVAL notification for device ...)... Upon
scanning for new devices, the hard disk "re-appears". Any idea what's
causing this or how to get around it? I don't think it's a hardware
problem as it's happened on multiple machines.

Thanks




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>-----Original Message-----
>Hi,
>
>I have a process that takes data from one drive,
processes it, then
>writes it to a second drive. Sometimes during the
process I'll start
>getting delayed-write errors (ID 50 and 51). And
sometimes a disk
>will "dissapear". Checking the event log the disk
dissapeared due to
>an Event 132 (Received a REMOVAL notification for
device ...)... Upon
>scanning for new devices, the hard disk "re-appears".
Any idea what's
>causing this or how to get around it? I don't think it's
a hardware
>problem as it's happened on multiple machines.
>
>Thanks
>
>
>
>
>..........................................................
........
> Posted via TITANnews - Uncensored Newsgroups Access
> >>>> at http://www.TitanNews.com <<<<
>-=Every Newsgroup - Anonymous, UNCENSORED, BROADBAND
Downloads=-
>
>.
>


Do you have adequate space on the destination hard
drive ?? Perhaps it's failing for that reason.

On Wed, 11 Feb 2004 11:24:44 -0800,
<(E-Mail Removed)> wrote:

>
>>-----Original Message-----
>>Hi,
>>
>>I have a process that takes data from one drive,
>processes it, then
>>writes it to a second drive. Sometimes during the
>process I'll start
>>getting delayed-write errors (ID 50 and 51). And
>sometimes a disk
>>will "dissapear". Checking the event log the disk
>dissapeared due to
>>an Event 132 (Received a REMOVAL notification for
>device ...)... Upon
>>scanning for new devices, the hard disk "re-appears".
>Any idea what's
>>causing this or how to get around it? I don't think it's
>a hardware
>>problem as it's happened on multiple machines.
>>
>>Thanks
>>
>>
>>
>>
>>..........................................................
>.......
>> Posted via TITANnews - Uncensored Newsgroups Access
>> >>>> at http://www.TitanNews.com <<<<
>>-=Every Newsgroup - Anonymous, UNCENSORED, BROADBAND
>Downloads=-
>>
>>.
>>
>
>
>Do you have adequate space on the destination hard
>drive ?? Perhaps it's failing for that reason.

Yes.. there's 2 80GB disks... The data is about 40GB so that leaves
about 50GB on each disk free. It has something to do with an I/O
error occuring when trying to write to a disk when there's still data
in the write behind cache. (I don't want to switch to write-through
caching becasue of the performance hit).



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I.E. wrote:

> On Wed, 11 Feb 2004 11:24:44 -0800,
> <(E-Mail Removed)> wrote:
>
>
>>>-----Original Message-----
>>>Hi,
>>>
>>>I have a process that takes data from one drive,
>>
>>processes it, then
>>
>>>writes it to a second drive. Sometimes during the
>>
>>process I'll start
>>
>>>getting delayed-write errors (ID 50 and 51). And
>>
>>sometimes a disk
>>
>>>will "dissapear". Checking the event log the disk
>>
>>dissapeared due to
>>
>>>an Event 132 (Received a REMOVAL notification for
>>
>>device ...)... Upon
>>
>>>scanning for new devices, the hard disk "re-appears".
>>
>>Any idea what's
>>
>>>causing this or how to get around it? I don't think it's
>>
>>a hardware
>>
>>>problem as it's happened on multiple machines.
>>>
>>>Thanks
>>>
>>>
>>>
>>>
>>>..........................................................
>>
>>.......
>>
>>> Posted via TITANnews - Uncensored Newsgroups Access
>>> >>>> at http://www.TitanNews.com <<<<
>>>-=Every Newsgroup - Anonymous, UNCENSORED, BROADBAND
>>
>>Downloads=-
>>
>>>.
>>>
>>
>>
>>Do you have adequate space on the destination hard
>>drive ?? Perhaps it's failing for that reason.
>
>
> Yes.. there's 2 80GB disks... The data is about 40GB so that leaves
> about 50GB on each disk free. It has something to do with an I/O
> error occuring when trying to write to a disk when there's still data
> in the write behind cache. (I don't want to switch to write-through
> caching becasue of the performance hit).
>

Just some thoughts... what type drives, what file system (FAT or NTFS),
what file sizes?

Steve

On Wed, 11 Feb 2004 12:08:54 -0800, Steve Nielsen
<steve_nielsen@_blahX3_lincoln.k12.or.us> wrote:

>>>
>>>Do you have adequate space on the destination hard
>>>drive ?? Perhaps it's failing for that reason.
>>
>>
>> Yes.. there's 2 80GB disks... The data is about 40GB so that leaves
>> about 50GB on each disk free. It has something to do with an I/O
>> error occuring when trying to write to a disk when there's still data
>> in the write behind cache. (I don't want to switch to write-through
>> caching becasue of the performance hit).
>>
>
>Just some thoughts... what type drives, what file system (FAT or NTFS),
>what file sizes?
>
>Steve

There are 2 Seagate Barracuda disks. The file system is NTFS and
there's about 40GB of data in 5MB chunks being processed then copied.




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On Wed, 11 Feb 2004 13:04:02 -0800, I.E. <(E-Mail Removed)> wrote:

>On Wed, 11 Feb 2004 12:08:54 -0800, Steve Nielsen
><steve_nielsen@_blahX3_lincoln.k12.or.us> wrote:
>
>>>>
>>>>Do you have adequate space on the destination hard
>>>>drive ?? Perhaps it's failing for that reason.
>>>
>>>
>>> Yes.. there's 2 80GB disks... The data is about 40GB so that leaves
>>> about 50GB on each disk free. It has something to do with an I/O
>>> error occuring when trying to write to a disk when there's still data
>>> in the write behind cache. (I don't want to switch to write-through
>>> caching becasue of the performance hit).
>>>
>>
>>Just some thoughts... what type drives, what file system (FAT or NTFS),
>>what file sizes?
>>
>>Steve
>
>There are 2 Seagate Barracuda disks. The file system is NTFS and
>there's about 40GB of data in 5MB chunks being processed then copied.
>
I think I may have tracked it down...

Several of these two errors will occur:
Event ID 51: An error was detected on device \Device\Harddisk1\DR1
during a paging operation.
Final status code: c000000e

Event ID 50: Lost Delayed-Write Data
Final status code: c000000e

From ntstatus.h:
#define STATUS_NO_SUCH_DEVICE 0xC000000E

This will be followed by:
Event ID 135: received a device interface REMOVAL notification for
device
at which point the drive "dissapears"

Then finally:
Event ID 26: Delayed Write Failed

Does this sound feasible? (I have to come up with a reason)



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I.E. wrote:

> On Wed, 11 Feb 2004 13:04:02 -0800, I.E. <(E-Mail Removed)> wrote:
>
>
>>On Wed, 11 Feb 2004 12:08:54 -0800, Steve Nielsen
>><steve_nielsen@_blahX3_lincoln.k12.or.us> wrote:
>>
>>
>>>>>Do you have adequate space on the destination hard
>>>>>drive ?? Perhaps it's failing for that reason.
>>>>
>>>>
>>>>Yes.. there's 2 80GB disks... The data is about 40GB so that leaves
>>>>about 50GB on each disk free. It has something to do with an I/O
>>>>error occuring when trying to write to a disk when there's still data
>>>>in the write behind cache. (I don't want to switch to write-through
>>>>caching becasue of the performance hit).
>>>>
>>>
>>>Just some thoughts... what type drives, what file system (FAT or NTFS),
>>>what file sizes?
>>>
>>>Steve
>>
>>There are 2 Seagate Barracuda disks. The file system is NTFS and
>>there's about 40GB of data in 5MB chunks being processed then copied.
>>
>
> I think I may have tracked it down...
>
> Several of these two errors will occur:
> Event ID 51: An error was detected on device \Device\Harddisk1\DR1
> during a paging operation.
> Final status code: c000000e
>
> Event ID 50: Lost Delayed-Write Data
> Final status code: c000000e
>
> From ntstatus.h:
> #define STATUS_NO_SUCH_DEVICE 0xC000000E
>
> This will be followed by:
> Event ID 135: received a device interface REMOVAL notification for
> device
> at which point the drive "dissapears"
>
> Then finally:
> Event ID 26: Delayed Write Failed
>
> Does this sound feasible? (I have to come up with a reason)
>

I assume this was working until something happened to change it? Service
Packs, patches, updated disk drivers? If not how about seeing if there
are updated disk drivers available?

Steve