From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <4BCD9019.1060601@tecmav.com> Date: Tue, 20 Apr 2010 13:29:29 +0200 From: Adriano Verardo User-Agent: Mozilla/5.0 (X11; U; FreeBSD i386; en-US; rv:1.8.1.21) Gecko/20090430 SeaMonkey/1.1.16 MIME-Version: 1.0 To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net> References: <4BCD85B5.1060404@tecmav.com> <4BCD8C0E.7080003@maht0x0r.net> In-Reply-To: <4BCD8C0E.7080003@maht0x0r.net> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [9fans] Fossil robustness Topicbox-Message-UUID: 09d271f6-ead6-11e9-9d60-3106f5b1d025 maht wrote: > On 20/04/2010 11:45, Adriano Verardo wrote: >> Hi all. >> >> I'm building an industrial application hosted by several >> independent cpu server, >> each of them booted from a CFlash on sdD0. >> >> The application doesn't write on sdD0 and there are no redirection on >> local files >> in the cpurc scripts. >> >> In this particular situation fossil should be actually used read only >> so allowing >> to use write protected CF and/or to suddenly power off the system >> without >> damaging the file system. >> >> Instead, fossil writes on sdD0 (doesn't boot fom a write protected >> CF) and the >> power loss destroy the file system more than fifty-fifty. >> >> Unfortunately I cannot guarantee stable/correct operating conditions. >> >> Any suggestion ? >> >> Thanks in advance >> >> adriano >> > Fossil is essentially a cache for Venti, the non-Venti special case is > what you are attempting to use. > > Perhaps kfs / cws would be a better choice. I've made a customized install procedure copying from the standard one. Where can i find a procedure for kfs to copy from? Can kfs be configured to be absolutely insentive to hard power down ? > > Or even booting from a CD. I've only a CF slot. And, in any case, the environment doesn't allow to use mechanical devices. > > > > > > >