Date: Sun, 22 Mar 1998 19:12:53 -0600 From: Karl Denninger <karl@mcs.net> To: shimon@simon-shapiro.org Cc: current@FreeBSD.ORG, root@danberlin.resnet.rochester.edu, dyson@FreeBSD.ORG, Terry Lambert <tlambert@primenet.com> Subject: Re: CURRENT Kernel Status Message-ID: <19980322191253.31345@mcs.net> In-Reply-To: <XFMail.980322170347.shimon@simon-shapiro.org>; from Simon Shapiro on Sun, Mar 22, 1998 at 05:03:47PM -0800 References: <19980322183922.14684@mcs.net> <XFMail.980322170347.shimon@simon-shapiro.org>
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On Sun, Mar 22, 1998 at 05:03:47PM -0800, Simon Shapiro wrote: > > On 23-Mar-98 Karl Denninger wrote: > ... > > > Fsck should require exactly ONE pass (possibly with "-y") to end up > > self-consistent. You may lose files that way, but it should never > > require a second run before it marks the filesystem "clean" and means it. > > ``Should'' is the key here. I have yet to see a Unix where that is true. > > Actually, this is one of the favorite M$ arguing points in their ``NT is > better than Unix'' propaganda. Not to say I belive the NTFS to be all that > much better (it is better in some journaling ways :-). > > Simon 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. The other "cute" thing is that you can extend a jfs volume while the system is online; that's a very cute feature. 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. -- -- Karl Denninger (karl@MCS.Net)| MCSNet - Serving Chicagoland and Wisconsin http://www.mcs.net/ | T1's from $600 monthly / All Lines K56Flex/DOV | NEW! Corporate ISDN Prices dropped by up to 50%! Voice: [+1 312 803-MCS1 x219]| EXCLUSIVE NEW FEATURE ON ALL PERSONAL ACCOUNTS Fax: [+1 312 803-4929] | *SPAMBLOCK* Technology now included at no cost To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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