From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: To: lucio@proxima.alt.za, 9fans@9fans.net From: erik quanstrom Date: Tue, 3 Feb 2009 12:51:07 -0500 In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit Subject: Re: [9fans] Sources Gone? Topicbox-Message-UUID: 94df0efa-ead4-11e9-9d60-3106f5b1d025 > now getting rather jaded about the fact that my fresh fossil/venti > server has taken five days, twice, to dump -a little over 1GB of data > on two separate occasions, I'm not sure encryption is affordable. i would imagine that cpu has nothing to do with it and encryption would add no overhead at all. i would image that seeks dominate your performance numbers. i don't think coraid could manage with such performance. this morning's dump is not outlandish but it is a bit bigger than normal — 1.65gb in 8k blocks. note that this isn't a super i/o rate because kenfs doesn't go full-tilt boogy on dumps and because the backup worm is across town. but still, it does manage to complete in under 12 minutes. Tue Feb 3 04:01:43: automatic dump Tue Feb 3 05:00:06 EDT 2009 Tue Feb 3 04:01:43: sync: before dump Tue Feb 3 04:01:43: cwroot 48903076->49095891 Tue Feb 3 04:01:43: sync: after cw Tue Feb 3 04:01:43: roroot 48903079 Tue Feb 3 04:01:43: ->49095894 /2009/0203 Tue Feb 3 04:01:43: sync: after ro Tue Feb 3 04:01:43: sblock 48773434->48903080 (->49095895) Tue Feb 3 04:01:43: sync: all done Tue Feb 3 04:01:43: 217056 blocks queued for worm Tue Feb 3 04:01:43: 0 falsehits Tue Feb 3 04:01:43: next dump at Wed Feb 4 05:00:00 EDT 2009 Tue Feb 3 04:13:35: 217056 blocks copied to worm - erik