Quoth Thomas Maier-Komor on Thu, Jul 13, 2006 at 04:19:11AM -0700: > after switching over to zfs from ufs for my ~/ at home, I am a little > bit disturbed by the noise the disks are making. To be more precise, > I always have thunderbird and firefox running on my desktop and either > or both seem to be writing to my ~/ at short intervals and ZFS flushes > these transactions at intervals about 2-5 seconds to the disks. In > contrast UFS seems to be doing a little bit more aggressive caching, > which reduces disk noise.
I'd bet that this is due to your applications repeatedly reading some file, for which ZFS updates the atime, which requires writing more blocks than with UFS. In which case you could fix it by mounting with noatime, but that's probably not a great idea. David _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss