I have tried this, but is does not work. I can override the hsm action so
it rsyncs the file, but then the lhsm_status is set to 'achiving' and is
never updated to synchro.
You have to actually use a hsmtool that updates the hsm status of the file
in lustre so this policy updates the db correctly.
I have similar problems when using the backup plugin (also, {fullpath} for
backup is different than for lhsm, confusing...)
I have found multiple ways to copy/rsync the files, but I cannot figure
out how to handle deletions.
I can for instance use the basic status manager to trigger a copy of a
file, but when I delete the file from lustre I also need to delete the
file from the backend location.
As soon as the changelog is read, the entry gets deleted from the database
without the possibility to perform some action on the file first..
Were is what I came up with so far to copy to a dir:
define_policy rsync {
status_manager = basic;
scope { type == file and (status != 'ok' or status == '')}
default_action = cmd("rsync -aR {fullpath} /mnt/raid6/test");
default_lru_sort_attr = none;
}
rsync_rules {
rule rsync_test {
target_fileclass = test;
condition { last_mod > 1m }
}
}
rsync_trigger {
trigger_on = scheduled;
check_interval = 5min;
}
From: Colin Faber <cfa...@gmail.com>
To: Martin BALVERS <martin.balv...@nutricia.com>
Cc: "robinhood-support@lists.sourceforge.net"
<robinhood-support@lists.sourceforge.net>
Date: 03-07-2017 01:44
Subject: Re: [robinhood-support] Policy to rsync files
You could use the HSM rules to do this, and have the HSM action be the
rsync command
On Fri, Jun 30, 2017 at 4:14 AM, Martin BALVERS <
martin.balv...@nutricia.com> wrote:
Hi,
Would it be possible to create a policy that rsyncs/copies to a specific
location when a file in lustre is added/modified/deleted.
What I want to achieve is to have one specific dir on my lustre fs
replicate to some other location. I know I can just use rsync to do this,
but I want to avoid having to scan the whole lustre dir every time I
update..
I can't use lustre_rsync because afaik that only works on the whole file
system and not sub dirs.
I also can't use the robinhood hsm or backup policies for this because I
need to have identical folder structure and filenames at the replicated
location.
Martin
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