Dne 11.2.2014 17:00, Gary Eheman napsal(a):
There is an example syntax reference to a variable named "max_archives" in the
man page for lvm.conf, but it does not provide a definition for the variable.
The actual lvm.conf on my distribution contains no references or comments to
enlighten me on the specifics for max_archives. While the variable name
certainly gives me the clue that it is likely that not more than that many
archive files would exist in the archive directory, can someone provide a more
detailed description?
Since I can make no assumptions on this system, is it the case that if the
max_archives specified in lvm.conf is reached that the oldest archive is
automatically deleted as the newest one is created?
I have a lot of snapshot activity on the system where I want to implement
max_archives, and the number of archives keeps growing. Naturally, I have not
yet reached the retain_days number of days, but would like to keep the number
of archives below a reasonable number before retain_days might be reached.
# Configuration of metadata backups and archiving. In LVM2 when we
# talk about a 'backup' we mean making a copy of the metadata for the
# *current* system. The 'archive' contains old metadata configurations.
# Backups are stored in a human readable text format.
backup {
# Should we maintain a backup of the current metadata configuration ?
# Use 1 for Yes; 0 for No.
# Think very hard before turning this off!
backup = 1
# Where shall we keep it ?
# Remember to back up this directory regularly!
backup_dir = "/etc/lvm/backup"
# Should we maintain an archive of old metadata configurations.
# Use 1 for Yes; 0 for No.
# On by default. Think very hard before turning this off.
archive = 1
# Where should archived files go ?
# Remember to back up this directory regularly!
archive_dir = "/etc/lvm/archive"
# What is the minimum number of archive files you wish to keep ?
retain_min = 10
# What is the minimum time you wish to keep an archive file for ?
retain_days = 30
}
Zdenek
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