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Windows Forum / Windows XP / Customization / August 2006Delayed Write Failed
Been receiving this message for a couple of days. File is H:\$Mft. Any ideas on the cause? > Been receiving this message for a couple of days. File is H:\$Mft. Any > ideas on the cause? How is that drive connected to the system? HTH -pk I was thinking the same thing...USB or Firewire device removed incorrectly. --- Ted Zieglar "Backup is a computer user's best friend." >> Been receiving this message for a couple of days. File is H:\$Mft. Any >> ideas on the cause? [quoted text clipped - 3 lines] > HTH > -pk | I was thinking the same thing...USB or Firewire device removed incorrectly. If it was (USB 2.0 ext. HDD) removed incorrectly, how do you fix the Delayed Write Error problem? Remove all USB 2.0 drivers and reinstall them? Or buy another PCI card for USB 2.0 devices? To remove a USB (or Firewire) drive, double-click the Safely Remove Hardware icon in the system tray and follow the directions that appear. --- Ted Zieglar "Backup is a computer user's best friend." > | I was thinking the same thing...USB or Firewire device removed incorrectly. > > If it was (USB 2.0 ext. HDD) removed incorrectly, how do you fix the Delayed > Write Error problem? > Remove all USB 2.0 drivers and reinstall them? Or buy another PCI card for USB > 2.0 devices? USB. >> Been receiving this message for a couple of days. File is H:\$Mft. Any >> ideas on the cause? [quoted text clipped - 3 lines] > HTH > -pk USB - but...I don't recall removing the drive (unplugging it). In any case, if that's the problem, is it fixable? It's only used for my backup so - reformatting is not a problem. >> Been receiving this message for a couple of days. File is H:\$Mft. Any >> ideas on the cause? [quoted text clipped - 3 lines] > HTH > -pk "It's only used for my backup so - reformatting is not a problem." Huh? In a nutshell: Writes to USB drives are cached (saved to a temporary location in the drive) instead of being written directly to the drive. The actual write to the drive occurs later, when the drive is not being accessed. That's what a "delayed write" is. This is done to save time: It takes longer to write to an external drive than to an internal drive. If the system had to wait for the data to be written to the external drive before moving on, your computer would run slower. When the data is cached, the USB drive reports back to the OS that the data has been written - but it hasn't. If the delayed write is then interrupted - for example, by pulling out the drive or interrupting the power - the cached data won't actually get written to the external drive. But the OS was told that it was written. That's a problem. At the very best, some of the data on the USB drive is corrupted. At worst, the USB drive won't be accessible. In either case, there is no recovery. The cached data is gone. --- Ted Zieglar "Backup is a computer user's best friend." > USB - but...I don't recall removing the drive (unplugging it). In any case, > if that's the problem, is it fixable? It's only used for my backup so - [quoted text clipped - 6 lines] >> HTH >> -pk Oh, now I understand. Thanks. I've been having a problem with svchost.exe (one of the instances) hogging almost all my CPU resources. Can't seem to solve it - but, because my machine has been so slow, it probably accounts for the delayed write failure. > "It's only used for my backup so - reformatting is not a problem." > [quoted text clipped - 35 lines] >>> HTH >>> -pk > Been receiving this message for a couple of days. File is H:\$Mft. Any > ideas on the cause? I get this on my machine 9 times out of 10 when resuming from hibernate. The drive at fault is an IDE drive that's only used for data. The system boots from an SATA drive. If I let device manager redetect the hardware, the drive is immediately added back and functions as usual. Not the end of the world, but rather annoying nonetheless. The board is an ASUS A8N-E. |
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