From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: From: jmk@plan9.bell-labs.com To: 9fans@cse.psu.edu Subject: Re: [9fans] i/o error: wrenwrite In-Reply-To: <200403031119.i23BJ0bY099129@adat.davidashen.net> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Date: Wed, 3 Mar 2004 08:41:39 -0500 Topicbox-Message-UUID: 105ed4e6-eacd-11e9-9e20-41e7f4b1d025 On Wed Mar 3 06:22:36 EST 2004, dvd@davidashen.net wrote: > > > How to boot from CD and check filesystem? > > > > If you've booted Plan 9 from the Plan 9 distribution CD, you should > > be able to do: > > > > disk/kfs -f/dev/sdC0/fs > > disk/kfscmd 'check r' > > I had tried that before, and probably misspelled something. Worked > this time. Does not report any errors, just finishes smoothly. > > Powercycling -> endless wrenwrite i/o error messages -> > booting from CD -> 'check r' no errors > rebooting from sdC0 normal. > > Just booting from CD and immediately rebooting helps as well. > > What can be the cause? What type of discs are they, ATA, SCSI, etc? Are they set to spin up automatically when power is applied?