Thanks Todd, I have saved everyone's ideas/comments plus some results from searching so I have a much better understanding.
thanks Ann Todd Lyons wrote: > On Wed, Oct 26, 2011 at 4:00 PM, Ann <a...@randrinc.com> wrote: > >> Jeff, >> When I first got on the server this morning, I could access data and >> actually did back up the application over to my pc, though we have it in >> svn. Now, I can't get to any data on the drive, but strangely enough the >> application is still running on tomcat!! >> > > I wanted to make a few comments. > 1. The mount command basically just shows a prettified version of > /etc/mtab. If your / partition has changed from rw to ro, that file > is no longer current. You're better off doing 'cat /proc/mounts' to > see for sure what is mounted where and with what status. > 2. In this case, undoubtedly the kernel found something wrong with the > filesystem and decided that to not totally screw things up, it just > changed it to ro. The kernel dmesg ring buffer will have output about > what happened that made the kernel choose to do that. Normally it > would also be in /var/log/messages, but since / went read-only, syslog > couldn't write to the logfile so it's not going to be there (unless by > some miracle the customer also had remote logging enabled, but if he's > a newbie, it's very unlikely). You've already had to reboot the > machine so you've lost that dmesg buffer. > 3. In my experience, when this happens, the drive or controller or > cable is bad, but it's usually the drive. > > Regards... Todd > -- Ann Richmond ---------------- Randr Inc 951-369-3427 951-787-8683 Fax www.randrinc.com
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