On 8/15/05, Bartlomiej Zolnierkiewicz <[EMAIL PROTECTED]> wrote: > 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.
Moreover Helge is using RAID-1 on SCSI so IDE is out of picture here. - 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/
