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Ftdisk error 50

Hi experts,
Checking our event logs we have seen this message filing up the sytem log log has anyone seen this before?

{Lost Delayed-Write Data} The system was attempting to transfer file data from buffers to \Device\HarddiskVolume2. The write operation failed, and only some of the data may have been written to the file.

application log eror
perfdisk event ID 2001

Unable to read the disk performance information from the system.  Disk performance counters must be enabled for at least one  physical disk or logical volume in order for these counters to appear. Disk performance counters can be enabled by using the Hardware Device Manager property pages. Status code returned is data DWORD 0.

Thanks
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talltree
Asked:
talltree
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1 Solution
 
Gary CaseRetiredCommented:
The last message indicates the performance counters are not enabled.

Launch a command prompt (Start - Run - CMD) and type "diskperf -y"  (watch the status message to confirm it worked) ... and then reboot the system.

But in general it's not good if you get repeated delayed write failures.   You could turn off write caching, but first I'd see if you get more detailed information from the performance counters.
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talltreeAuthor Commented:
hi  garycase thanks for your reply but do you know more about the ftdisk error?

{Lost Delayed-Write Data} The system was attempting to transfer file data from buffers to \Device\HarddiskVolume2. The write operation failed, and only some of the data may have been written to the file.

how would i turn off the write caching? This server uses disk extender by emc so it may be using the cache manager
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Gary CaseRetiredCommented:
Not familiar with the emc extender, so I don't know how you turn caching off/on with it => does it have a management interface that has that option?

Within XP, here's how you do it:  http://support.microsoft.com/?kbid=259716

The error message indicates that a cached sector may not have been correctly written to the drive.   There are a variety of causes for delayed write failures --> power loss to the drive;  controller status errors;  S.M.A.R.T. bad-sector relocation failure during a write;  etc.   The message does not ALWAYS mean there WAS a problem -- it means there MAY have been a problem.  But it's not good if it continually reoccurs => it most likely means you have a failing hard drive.
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