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Amanda and LVM-based Linux installations
2005-05-13 21:40:06
Dear all,
I am trying to install a decent backup solution at a site where the
server to be backed-up runs its filesystems over LVM (not my install,
the LVM is actually redundant but it can't be reinstalled):
/dev/mapper/vg1-home 197G 157G 31G 84% /home
/dev/mapper/vg1-secure 476G 54G 398G 12% /secure
Both are ext3 filesytems:
/dev/mapper/vg1-home on /home type ext3 (rw)
/dev/mapper/vg1-secure on /secure type ext3 (rw)
Besides the obvious observation that the permissions of the /dev/mapper
files are not suitable (rw for root only, nothing for group/other) I
was wondering if there is any reason why I cannot run the Amanda client
on it.
My plan of action is to edit /etc/lvm.conf to alter the umask parameter
to 027 so that the /dev/mapper files are group readable. Then I was
planning to change them to be group "backup" so that Amanda can read
them.
Does this make sense or am I working towards disaster?
Thanks,
Arrigo
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