We have a 5-node Netware 6.5 SP7 environment with an HP EVA SAN
backend. As part of our DR process we are attempting to automate the
following:-

1. Carry out snapshoting of our live cluster NSS volumes
2. Present these snapshots as non-clustered volumes on a standalone
server.
3. Backup the newly presented standalone volumes
4. Dismount the standalone volumes

We can mount these volumes as standalone but before we can do this, we
have to go into NSSMU and manually change the share state to "not
shareable for clustering".

Does anyone know of a way to script the presentation of the volumes so
that sharing is disabled? The basic script is:-

scan all luns
nss /PoolActivate=VOL1
nss /VolumeActivate=VOL1
mount VOL1

Thanks in advance.

--

You could do NSS /OverrideType=SHARED which would allow it to mount
anyway. But you would have to be 100% nothing else was writing to it at
the time.

But I'm not sure why you don't just mount the snapshotted copy of the
volume and backup that? See TID 3701522 for the MM commands, or just use
iManager.

MM SNAP CREATE <source pool> <target pool> <snapshot name>
MM SNAP activate <snapshot name>
mount all

Then you have it as a volume to back up.


--
Andrew C Taubman
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Andrew,

ataubman wrote:
>
> But I'm not sure why you don't just mount the snapshotted copy of the
> volume and backup that?

Because he wants to mount them on a different server, outside of the
cluster.

CU,
--
Massimo Rosen
Novell Product Support Forum Sysop
No emails please!
http://www.cfc-it.de

Hi,

Donald Spako wrote:
>
> We have a 5-node Netware 6.5 SP7 environment with an HP EVA SAN
> backend. As part of our DR process we are attempting to automate the
> following:-
>
> 1. Carry out snapshoting of our live cluster NSS volumes
> 2. Present these snapshots as non-clustered volumes on a standalone
> server.

You cannot do that, with or without sharing. A snapshot of course is not
a full copy of all data that is useable without the original pool. A
snapshot and the original live pool always have to reside on the same
server (even on the same node within a cluster), as only the original
pool holds the real data. The snapshot pool only holds the frozen
metadata at the time of it's creation.

CU,
--
Massimo Rosen
Novell Product Support Forum Sysop
No emails please!
http://www.cfc-it.de

Donald Spako wrote:
> We have a 5-node Netware 6.5 SP7 environment with an HP EVA SAN
> backend. As part of our DR process we are attempting to automate the
> following:-
>
> 1. Carry out snapshoting of our live cluster NSS volumes
> 2. Present these snapshots as non-clustered volumes on a standalone
> server.
> 3. Backup the newly presented standalone volumes
> 4. Dismount the standalone volumes
>
> We can mount these volumes as standalone but before we can do this, we
> have to go into NSSMU and manually change the share state to "not
> shareable for clustering".
>
> Does anyone know of a way to script the presentation of the volumes so
> that sharing is disabled? The basic script is:-
>
> scan all luns
> nss /PoolActivate=VOL1
> nss /VolumeActivate=VOL1
> mount VOL1
>
> Thanks in advance.
>

Have you tried using rsnapshot? If you have a linux server?

we use it as a Backup service. We NFS mount our NSS Volumes (running on
Netware)

We snapshot the volumes twice a day.

RSnapshot, then does all this cool stuff with hardlinks. It works well
for backups. We then Rsync the backup off site and they put it on tape

Works well, most of the time, every now and then we have to run a code
fix on the NSS volumes...

Peter Norris wrote:

> Donald Spako wrote:
> > We have a 5-node Netware 6.5 SP7 environment with an HP EVA SAN
> > backend. As part of our DR process we are attempting to automate the
> > following:-
> >
> > 1. Carry out snapshoting of our live cluster NSS volumes
> > 2. Present these snapshots as non-clustered volumes on a standalone
> > server.
> > 3. Backup the newly presented standalone volumes
> > 4. Dismount the standalone volumes
> >
> > We can mount these volumes as standalone but before we can do this,
> > we have to go into NSSMU and manually change the share state to "not
> > shareable for clustering".
> >
> > Does anyone know of a way to script the presentation of the volumes
> > so that sharing is disabled? The basic script is:-
> >
> > scan all luns
> > nss /PoolActivate=VOL1
> > nss /VolumeActivate=VOL1
> > mount VOL1
> >
> > Thanks in advance.
> >
>
> Have you tried using rsnapshot? If you have a linux server?
>
> we use it as a Backup service. We NFS mount our NSS Volumes (running
> on Netware)
>
> We snapshot the volumes twice a day.
>
> RSnapshot, then does all this cool stuff with hardlinks. It works
> well for backups. We then Rsync the backup off site and they put it
> on tape
>
> Works well, most of the time, every now and then we have to run a code
> fix on the NSS volumes...


Peter

Out of interest, how large are your volumes? We have around 15Tb of
data spread across 16 volumes. I'm not sure how practical RSync would
be in this case and it doesn't really fit into out backup environment.

We backup to tape which is taken to an off-site storage facility.

We originally wanted to implement this solution on OES2 but we had an
issue with HSM stub files (in our live environment, we use Caminosoft
to archive files older than 18months). When we try to backup these stub
files, our backup program skips them (this does not happen on Netware
6.5 SP7 using v6.53 of TSAFS.NLM).



--

Massimo Rosen wrote:

> Andrew,
>
> ataubman wrote:
> >
> > But I'm not sure why you don't just mount the snapshotted copy of
> > the volume and backup that?
>
> Because he wants to mount them on a different server, outside of the
> cluster.
>
> CU,


* Update *
We are now able to present our data to the 3 x NW6.5 backup servers and
the backups work. We still have an issue, however.....

During the week we take 3 snapshots each day and each one overwrites
the previous one. In addition, we also take a snapshot each evening
which is kept for 7 days with exception to the snapshot we take on
Fridays which is kept for 5 weeks.

After the final Friday snapshot, we run a full backup to tape. All
works fine except that as the backups progress, the size of Friday
snapshots increases. Towards the end of our backup window, this has
caused our HP EVA 8100 to run out of space (which in turn, dismounts
the snapshot volumes).

We suspect the snapshots increase because of the archive bit being set
but can't see any way around performing a full backup without resetting
the archive bit.

Has anyone seen anything similar to this and know of a fix?

Thank you.

--