[OpenAFS] Re: DAFS dasalvager: cannot be running from cron

[Brunckhorst, Ralf]

Hi Andrew,

We are using the restore incremental function in the first example to have =
only a delta-release when it comes to releasing the TAG-volume.
If the TAG volume doesn't exist, it will be created and vos restore switch =
automatically to full.

It would be great to hear more about alternatives like you mentioned below.

/Ralf

-----Original Message-----
From: openafs-info-admin@openafs.org [mailto:openafs-info-admin@openafs.org=
] On Behalf Of Andrew Deason
Sent: Wednesday, July 10, 2013 4:41 PM
To: openafs-info@openafs.org
Subject: [OpenAFS] Re: DAFS dasalvager: cannot be running from cron

On Wed, 10 Jul 2013 12:38:19 +0000
"Brunckhorst, Ralf" <ralf.brunckhorst@hp.com> wrote:

> Is salvaging of volumes needed afterwards in the following scenarios?
>=20
>  * vos dump -id UNTAG-volume.readonly -time 0 -server SERVER=20
> -partition PART | vos restore -server SERVER -partition PART -name=20
> TAG-volume -overwrite incremental
>=20
>  * vos dump -id UNTAG-volume.readonly  -time 0 -server SERVER=20
> -partition PART | dump-scan_mp | vos restore -server SERVER -partition=20
> PART -name TAG-volume -overwrite full

No, you shouldn't need to do that. (Are you sure you don't mean "-overwrite=
 full" in the first example, though?) If you need to salvage after a simple=
 restore, that's probably an issue we need to fix.

> We are using this 'strange' workflow to have a workaround for the=20
> limit in openafs of having not more than 11 RO-replicas.

It may be easier to use different cells for that (then you can keep the sam=
e volume name, and possibly volume id, though the latter might be confusing=
). If you don't want to duplicate the entire contents of the cell, you can =
make a cell a kind of "overlay" over an existing cell by using a feature ca=
lled "linked cells". I can go further into that if you want; I just wanted =
to mention it.

--
Andrew Deason
adeason@sinenomine.net

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