Hi we experienced the same issue. The problem is indeed a fix they did in zfs (http://bugs.opensolaris.org/view_bug.do?bug_id=6770534 )
As of build 107 every single block written to a zvol is commited. see: http://src.opensolaris.org/source/diff/onnv/onnv-gate/usr/src/uts/common/fs/zfs/zvol.c?r2=%2Fonnv%2Fonnv-gate%2Fusr%2Fsrc%2Futs%2Fcommon%2Ffs%2Fzfs%2Fzvol.c%408524%3Aa56dffa8fba9&r1=%2Fonnv%2Fonnv-gate%2Fusr%2Fsrc%2Futs%2Fcommon%2Ffs%2Fzfs%2Fzvol.c%408227%3Af7d7be9b1f56 You have 2 options: - disable zil, or - use old zfs kernel modules prior build 107 (but then you miss some other fixes) Now they implemented: DKIOCFLUSHWRITECACHE & DKIOCGETWCE so I'm wondering why iscsitadm is not taking advantage of those new features? Kristof -- This message posted from opensolaris.org _______________________________________________ storage-discuss mailing list [email protected] http://mail.opensolaris.org/mailman/listinfo/storage-discuss
