Bob Scheifler wrote: > James C. McPherson wrote: >> You can definitely loopback mount the same fs into multiple >> zones, and as far as I can see you don't have the multiple-writer >> issues that otherwise require Qfs to solve - since you're operating >> within just one kernel instance. > > Is there any significant performance impact with loopback mounts?
Not that I have come across. I've got three zones (global + 2 others) running permanently. My home directory is constantly mounted on two of them, and periodically on the third. Both the non-global zones have several loopback-mounted filesystems in very heavy use and at least from my point of view the performance has been quite good. James C. McPherson -- Senior Kernel Software Engineer, Solaris Sun Microsystems http://blogs.sun.com/jmcp http://www.jmcp.homeunix.com/blog _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
