Date: Sun, 22 Mar 1998 18:00:00 -0800 (PST) From: Simon Shapiro <shimon@simon-shapiro.org> To: Karl Denninger <karl@mcs.net> Cc: Terry Lambert <tlambert@primenet.com>, dyson@FreeBSD.ORG, root@danberlin.resnet.rochester.edu, current@FreeBSD.ORG Subject: Re: CURRENT Kernel Status Message-ID: <XFMail.980322180000.shimon@simon-shapiro.org> In-Reply-To: <19980322191253.31345@mcs.net>
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On 23-Mar-98 Karl Denninger wrote: ... > The equivalent of IBM's jfs fixes that complaint rather thoroughly. > > I don't know if you've ever seen one of these come up after a crash, but > it is rather impressive to see the system roll forward (or back) the > transactions to the filesystem and come up in seconds - with 100GB+ of > data online. Yup. Seen that. Veritas claims to model that for Unix with a certain degree of success. > The other "cute" thing is that you can extend a jfs volume while the > system > is online; that's a very cute feature. Veritas does that too. I belive we may see such functionality for FreeBSD some day soon. > jfs is a monstrous pig for some uses however (its allocation size is > larger > than ffs) and for that reason its useless for things like news servers - > but > for regular applications its fantastic. > > I hated AIX when I had to work with it, but the one thing you simply > couldn't argue with was their jfs filesystem. I belive allocation resolution to be one of many tunable parameters. ---------- Sincerely Yours, Simon Shapiro Shimon@Simon-Shapiro.ORG Voice: 503.799.2313 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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