Re: [rdiff-backup-users] rdiff-backup remounts partition readonly?

[dean gaudet]

i would guess you've got a disk error, and you've got the filesystem 
mounted with the option "errors=remount-ro" -- which causes it to be 
remounted read-only after an error.

see man 8 mount for more information on the mount options... and see 
"dmesg" to see if the kernel has been complaining about one of your 
drives.

rdiff-backup never mounts or remounts filesystems... this problem would be 
caused by any program trying to access the file with the disk error.

-dean

On Fri, 24 Jun 2005, Christos Tachtatzis wrote:

> Hi everyone,
> 
>    I am running rdiff-backup for sometime now on a FC3 box which I
> recently update it to FC4. Since the python path changed I moved all
> the required libraries to the new python path and the backups start
> working again smoothly. I am doing backups localy to an external usb
> drive, which is mounted only when the script runs and then unmounts to
> keep the backup safe.
> 
>   However today the backup failed and the error message is below. I
> was monitoring /proc/mounts and the partition is mounted read-write
> from the mount command but when the rdiff-backup starts it remounts
> the partition as read-only.
> 
> Has anybody come accross this problem. Am I doing something wrong
> here? If you need more info let me know.
> 
> Regards,
> Christos
> 
> <output>
> 
> 
> Previous backup seems to have failed, regressing destination now.
> Regressing to Thu Jun 23 02:02:14 2005
> Regressing file .adobe/Acrobat/7.0/Cache/AcroFnt07.lst
> Traceback (most recent call last):
>   File "/usr/bin/rdiff-backup", line 23, in ?
>     rdiff_backup.Main.Main(sys.argv[1:])
>   File "/usr/lib/python2.4/site-packages/rdiff_backup/Main.py", line
> 254, in Main
>     take_action(rps)
>   File "/usr/lib/python2.4/site-packages/rdiff_backup/Main.py", line
> 226, in take_action
>     elif action == "backup": Backup(rps[0], rps[1])
>   File "/usr/lib/python2.4/site-packages/rdiff_backup/Main.py", line
> 264, in Backup
>     backup_init_dirs(rpin, rpout)
>   File "/usr/lib/python2.4/site-packages/rdiff_backup/Main.py", line
> 296, in backup_init_dirs
>     checkdest_if_necessary(rpout)
>   File "/usr/lib/python2.4/site-packages/rdiff_backup/Main.py", line
> 672, in checkdest_if_necessary
>     dest_rp.conn.regress.Regress(dest_rp)
>   File "/usr/lib/python2.4/site-packages/rdiff_backup/regress.py",
> line 70, in Regress
>     for rf in iterate_meta_rfs(mirror_rp, inc_rpath): ITR(rf.index, rf)
>   File "/usr/lib/python2.4/site-packages/rdiff_backup/rorpiter.py",
> line 279, in __call__
>     last_branch.fast_process(*args)
>   File "/usr/lib/python2.4/site-packages/rdiff_backup/regress.py",
> line 231, in fast_process
>     if rf.metadata_rorp.isreg(): self.restore_orig_regfile(rf)
>   File "/usr/lib/python2.4/site-packages/rdiff_backup/regress.py",
> line 253, in restore_orig_regfile
>     tf.write_from_fileobj(rf.get_restore_fp())
>   File "/usr/lib/python2.4/site-packages/rdiff_backup/rpath.py", line
> 828, in write_from_fileobj
>     outfp = self.open("wb", compress = compress)
>   File "/usr/lib/python2.4/site-packages/rdiff_backup/rpath.py", line
> 808, in open
>     else: return open(self.path, mode)
> IOError: [Errno 30] Read-only file system:
> '/mnt/usbdrive/backups/homes2/user/.adobe/Acrobat/7.0/Cache/rdiff-backup.tmp.0'
> $
> 
> </output>
> 
> 
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