On 8/12/05, Alan Cox <[EMAIL PROTECTED]> wrote: > On Gwe, 2005-08-12 at 12:01 +0200, Helge Hafting wrote: > > solveable by resizing. But the machine will occationally hang, forcing > > me to > > use the reset button. I lost my mbox file to this (from an ext3 fs, on > > raid-1 on scsi.) > > Unless you are using data=journal and have turned write cache off on > your IDE drives that is expected. Metadata journalling protects your > file system intgerity. Data journalling is more expensive but will > protect your file integrity if the disk layer is also correctly set up. > Unfortunately the IDE layer defaults the wrong way and despite many > complaints has not been changed. In later 2.6 with modern drives you can
Changing defaults is not that easy, disabling write-cache shortens HDD life considerably (discussed on LKML). Recommend solution is to disable write-cache w/ hdparm or use barrier mode. > also enable barrier mode on the IDE layer which gives better results > than turning off the write cache. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
