Hello,
I just tried to make a backup of all my VGs into one file using the
following command:
vgcfgbackup -d -f lvm--2004-06-19
: open failed: No such file or directory
Volume group "storage" successfully backed up.
: open failed: No such file or directory
Volume group "linux" successfully backed up.
Unfortunately after that the file lvm--2004-06-19 contains information
about the VG "linux" only.
strace shows this:
[...]
rename("./.lvm_server_12035_1954474236", "lvm--2004-06-19.tmp") = 0
rename("lvm--2004-06-19.tmp", "lvm--2004-06-19") = 0
[...]
rename("./.lvm_server_12035_348633387", "lvm--2004-06-19.tmp") = 0
rename("lvm--2004-06-19.tmp", "lvm--2004-06-19") = 0
[...]
It seems to me that both VG backups are written to the same file by writing
them to a temporary file and then renaming this. Of course, by this all
former backups are overwritten as the file is overwritten every time.
The ": open failed: No such file or directory" message is probably caused
by this:
stat64("lvm--2004-06-19.tmp", 0xbfffc9a0) = -1 ENOENT (No such file or
directory)
open("", O_RDONLY|O_LARGEFILE) = -1 ENOENT (No such file or
directory)
These two lines immediately follow the "rename" lines.
Do I misunderstand anything? The man page does not look too complicated...
vgcfgbackup --version
LVM version: 2.00.15 (2004-04-19)
Library version: 1.00.09-ioctl (2004-03-31)
Driver version: 4.1.0
Best regards,
Hauke Laging
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