Changes between Initial Version and Version 1 of Ticket #4649
- Timestamp:
- Jul 30, 2009 2:39:27 PM (15 years ago)
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Ticket #4649 – Description
initial v1 1 2 The SATA emulation seems to ignore the flush() request to the drives 3 both RAW and file based. 1 The SATA emulation seems to ignore the flush() request to the drives both RAW and file based. 4 2 5 3 This leads to DATA LOSS (and filesystem loss) this is espically dangerous 6 4 for Filesystems that are transcationally based eg ZFS. This can lead to 7 5 loss of the whole filesystems. It could also be the cause of a number of 8 issues with journalled filesystems (NTFS ext3 etc).6 issues with journalled filesystems (NTFS ext3 etc). 9 7 10 8 When the guest calls the flush() call the emulation should call the … … 12 10 13 11 For the discusion on ZFS 14 you might look at this http://www.opensolaris.org/jive/thread.jspa?threadID=108213&tstart=0 and this for the IDE discusion: http://forums.virtualbox.org/viewtopic.php?f=8&t=13661&start=012 you might look at [http://www.opensolaris.org/jive/thread.jspa?threadID=108213&tstart=0 this] thread and [http://forums.virtualbox.org/viewtopic.php?f=8&t=13661&start=0 this] thread for the IDE discusion. 15 13 16 (the IDE emulation also does this but, I believe, can have it disbaled with: VBoxManage setextradata VMNAME "VBoxInternal/Devices/piix3ide/0/LUN#[x]/Config/IgnoreFlush" 0)14 (the IDE emulation also does this but, I believe, can have it disbaled with:[[BR]]''VBoxManage setextradata VMNAME "VBoxInternal/Devices/piix3ide/0/LUN#[x]/Config/IgnoreFlush" 0'' )