On Fri, Jun 18, 2004 at 01:50:48PM -0700, Brandon Darbro wrote: > I have been looking into ways to add a writable layer to read only DASD > for a while now, including ovlfs. Ovlfs simply doesn't do the job, > unfortunately. I have problems with data getting lost between boots > and it seems to continue to consume memory until the linux host > eventually dies. So ovlfs is out. > > That brings me to User Mode Linux's "layered block devices" and it's > Copy-On-Write feature. This appears to do exactly what I'm looking > for, but is only available for the User Mode Linux virtual > architecture. Any s390 kernel programmers here know if this could be > implimented? Or are things just too different.
What you're looking for are EVMS or LVM2 snapshots using device-mapper. -- - mdz ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390
