I have seen the OS remount filesystems read-only when there is corruption. If you can, umount the affected file system and fsck it to be certain that it is in a good state. Then do a normal mount command and see which mode it gets remounted in . James Burnash, Unix Engineering T. 201-239-2248 jburnash@xxxxxxxxxx | www.knight.com 
545 Washington Ave. | Jersey City, NJ From: condor-users-bounces@xxxxxxxxxxx [mailto:condor-users-bounces@xxxxxxxxxxx] On Behalf Of Xenia Fave
Sent: Thursday, December 02, 2010 1:08 PM
To: Condor-Users Mail List
Subject: Re: [Condor-users] Condor Daemons Fail to run on node Hi Ian, I am almost positive quotas are not in use, however is there a command to check this for sure? I was not able to touch the file and thus of course could not write in it. [xfave@compute-1-0 ~]$ sudo -u condor touch /scratch/condor/log/test.txt touch: cannot touch `/scratch/condor/log/test.txt': Read-only file system [xfave@compute-1-1 ~]$ sudo -u condor echo "hello world" >>/scratch/condor/log/test.txt -bash: /scratch/condor/log/test.txt: Read-only file system I tried to remount the file system and received the following. I have never used the command before so perhaps I'm doing something wrong? [xfave@compute-1-0 condor]$ sudo umount /scratch /dev/sda3 umount: /scratch: device is busy umount: /scratch: device is busy umount: /scratch: device is busy umount: /scratch: device is busy On Thu, Dec 2, 2010 at 12:38 PM, Ian Chesal <ichesal@xxxxxxxxxxxxxxxxxx> wrote: On Thu, Dec 2, 2010 at 12:30 PM, Xenia Fave <xfave2008@xxxxxxxxxx> wrote: The file system is not full nor is the file system mounted in read-only [xfave@compute-1-0 condor]$ df -h Filesystem Size Used Avail Use% Mounted on /dev/sda1 19G 5.5G 13G 31% / /dev/sda3 193G 13G 171G 7% /scratch tmpfs 7.9G 0 7.9G 0% /dev/shm nas-0-0:/nas0 9.6T 6.8T 2.8T 72% /mnt/nas0 Are quotas in use on the filesystem (note: it doesn't look like it based on you fstab output, but check just in case)? Maybe the user hit it's quota? Can you touch a new file, as the user Condor writes its log files, as on that file system? sudo -u <user> touch /scratch/condor/log/test.txt Can you put data in the file? sudo -u <user> echo "hello world" >> /scratch/condor/log/test.txt The relevant mount output looks the same for both machines, so the filesystem is mounted the same on working and non-working nodes (I trimmed the output so it's easier to see): [xfave@compute-1-0 condor]$ mount /dev/sda3 on /scratch type ext3 (rw) However, the results of the mount command on one of the working nodes is slightly different, I'm not sure if that's relevant. [xfave@compute-1-1 ~]$ mount /dev/sda3 on /scratch type ext3 (rw)
Have you tried unmounting, remounting the /scratch share on a bad machine?
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