Is sudo properly configured on the host machine with the ability to
write to the proper directories?
-Rob
Thilo-Alexander Ginkel wrote:
> Hello everybody,
>
> at the moment, I am attempting to restore a file backed up earlier using
> backuppc. Unfortunately, the restore stalls before completion and I am
> somewhat stuck in the analysis of its cause.
>
> Initially, some information: I am using backuppc version 3.0.0 as
> shipped with Ubuntu Gutsy. Backuppc is running on localhost, which is
> also the host backed up. The file to be restored is 104653731840 bytes
> in size and was backed up by a full backup.
>
> localhost.pl looks like this:
>
> -- 8< --
> $Conf{XferMethod} = 'rsync';
> $Conf{BackupFilesExclude} = ['/media/backup', '/proc', '/sys', \
> '/media/data'];
> $Conf{RsyncClientPath} = '/usr/bin/rsync';
> $Conf{RsyncClientCmd} = '/usr/bin/nice -n 19 /usr/bin/sudo $rsyncPath \
> $argList+'
> $Conf{RsyncClientRestoreCmd} = '/usr/bin/nice -n 19 /usr/bin/sudo \
> $rsyncPath $argList+';
> $Conf{RsyncShareName} = ['/'];
> -- 8< --
>
> CompressLevel is set to '3' in config.pl.
>
> Starting the restore ended up with three processes:
>
> -- 8< --
> backuppc 7228 44.3 2.8 106824 58136 ? S 21:03 17:55 \
> /usr/bin/perl /usr/share/backuppc/bin/BackupPC_restore localhost lo
> root 7231 0.1 0.0 10664 824 ? SN 21:03 0:03 \
> /usr/bin/rsync --server --numeric-ids --perms --owner --group -D --
> root 7232 10.1 0.0 10924 736 ? SN 21:03 4:05 \
> /usr/bin/rsync --server --numeric-ids --perms --owner --group -D --
> -- 8< --
>
> Using strace on all three processes during the whole restore shows what
> happens until the stall occurs:
>
> BackupPC_restore (pid 7228):
> -- 8< --
> [...]
> select(8, [6], NULL, [6], NULL) = 1 (in [6])
> read(6, "\200\23\0\0\0\0\304\0063\\\35=\220\360\326Xy\0024\276\246"...,\
> 65536) = 1959
> alarm(72000) = 72000
> select(8, [6], NULL, [6], NULL
> -- 8< --
>
> rsync (pid 7231):
> -- 8< --
> [...]
> select(4, [3], [1], [1], {60, 0}) = 1 (out [1], left {60, 0})
> write(1, "&O(\26 \37\0\0\0\0\304\0063\307\34\322}e\324 \
> \200\2\n\366"..., 4092) = 4092
> read(0, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., \
> 262144) = 262144
> read(0, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., \
> 247808) = 247808
> munmap(0x2b8fe429c000, 266240) = 0
> close(0) = 0
> select(2, NULL, [1], [1], {60, 0}) = 1 (out [1], left {60, 0})
> write(1, "\247\7\0\7", 4) = 4
> select(2, NULL, [1], [1], {60, 0}) = 1 (out [1], left {60, 0})
> write(1, "\200\23\0\0\0\0\304\0063\\\35=\220\360\326Xy\0024\276 \
> \246"..., 1959) = 1959
> select(4, [3], [], NULL, {60, 0}) = 0 (Timeout)
> [... repeating ...]
> select(4, [3], [], NULL, {60, 0}) = 0 (Timeout)
> -- 8< --
>
> rsync (pid 7232):
> -- 8< --
> [...]
> select(1, [0], [], NULL, {60, 0}) = 1 (in [0], left {60, 0})
> read(0, "\377\377\377\377\377\377\377\377\377\377\377\377\377\377"..., \
> 8184) = 1300
> write(3, "\377\377\377\377\377\377\377\377\377\377\377\377\377 \
> \377"..., 262144) = 262144
> select(1, [0], [], NULL, {60, 0}) = 0 (Timeout)
> [... repeating ...]
> select(1, [0], [], NULL, {60, 0}) = 0 (Timeout)
> -- 8< --
>
> The log is not of much help as it just provides a single relevant entry:
> -- 8< --
> 2007-11-03 21:03:52 Started restore on localhost (pid=7228)
> -- 8< --
>
> Any advice how to track down the cause of this issue is highly appreciated!
>
> Let me know if any important info is missing.
>
> Thanks,
> Thilo
>
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