>casper....@sun.com said: >> I've upgraded my system from ufs to zfs (root pool). >> By default, it creates a zvol for dump and swap. >> . . . >> So I removed the zvol swap and now I have a standard swap partition. The >> performance is much better (night and day). The system is usable and I >> don't know the job is running. >> >> Is this expected? > >If you're using Solaris-10U6 to migrate, the early revisions of liveupgrade >would create swap and dump zvols that have some different properties than >what S10U6 Jumpstart creates. On x86 here, the swap zvol ends up with 4k >volblocksize when you Jumpstart install, but liveupgrade sets it to 8k (which >does not match the system page-size of 4k).
Solaris Nevada s110 or some such. >Sorry I can't report on whether zvol swap is slower than UFS swap slice >for us here; None of our ZFS-root systems have done any significant >swapping/paging as far as I can tell. Well, you can make them page, or not? Casper _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
