As other poster noted, you can disable it completely for testing. >From my understanding though, it's not as "production-catastrophic" as it >sounds to delay or disable ZIL.
Many people run Linux boxes with ext3 in the standard setting, which only journals metadata, not file content. So the purpose of journalling for them is only to preserve structural integrity, at the expense of correctness. If you turn on full data journalling in ext3 you pay a speed penalty and very few people do it. With COW you get the same thing even with ZIL off. Maybe you miss some transactions in progress if you lose power, meh..... but the important thing is even with ZIL_disabled you should not ever have concerns about filesystem corruption. Good stuff! OpenSolaris Nevada 78 performed much better in our tests compared to Solaris 10u4. They've done a lot of performance work since then This message posted from opensolaris.org _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
