I am snapmirroring several volumes to a DR site, and I would like to do tape backups at that site. How should I do them? Can I use NDMP?
It seems like I can't do straight NDMP because the replicated target is read-only. I am currently creating flexclones from snapshots existing in the volume (nightly.0...) but flexclone then locks this snapshot and snapmirror will fail to update ( I'm not sure if this happens at the next update or when the source system attempts to remove that snapshot and copy it over... I wasn't watching).
What do you generally do to get snapmirrored volume data to tape?
TIA,
Fred
We do NDMP backups of snapmirror destination volumes every day. The NDMP job is able to create a snapshot in the destination volume for the backup.
Ed
________________________________ From: owner-toasters@mathworks.com [mailto:owner-toasters@mathworks.com] On Behalf Of Fred Grieco Sent: Tuesday, November 16, 2010 9:26 AM To: toasters@mathworks.com Subject: NDMP backup of snapmirror target
I am snapmirroring several volumes to a DR site, and I would like to do tape backups at that site. How should I do them? Can I use NDMP?
It seems like I can't do straight NDMP because the replicated target is read-only. I am currently creating flexclones from snapshots existing in the volume (nightly.0...) but flexclone then locks this snapshot and snapmirror will fail to update ( I'm not sure if this happens at the next update or when the source system attempts to remove that snapshot and copy it over... I wasn't watching).
What do you generally do to get snapmirrored volume data to tape?
TIA,
Fred
Break the mirror, take your ndmp backup, resync the mirror.
This email is UNCLASSIFIED.
From: owner-toasters@mathworks.com [mailto:owner-toasters@mathworks.com] On Behalf Of Fred Grieco Sent: Tuesday, November 16, 2010 9:26 AM To: toasters@mathworks.com Subject: NDMP backup of snapmirror target
I am snapmirroring several volumes to a DR site, and I would like to do tape backups at that site. How should I do them? Can I use NDMP?
It seems like I can't do straight NDMP because the replicated target is read-only. I am currently creating flexclones from snapshots existing in the volume (nightly.0...) but flexclone then locks this snapshot and snapmirror will fail to update ( I'm not sure if this happens at the next update or when the source system attempts to remove that snapshot and copy it over... I wasn't watching).
What do you generally do to get snapmirrored volume data to tape?
TIA,
Fred
Things may have changed in OT since I last was concerned with tape backups but as I recall a snapmirrored *volume* can't take the backup snapshot because it's RO. So you point the backup software at the newest snapshot in the RO volume and back up that view.
The only reason the NDMP backup makes a snapshot is to guarantee consistency. An existing snapshot already has that.
Jeff Kennedy Qualcomm, Incorporated QCT Engineering Compute 858-651-6592
From: owner-toasters@mathworks.com [mailto:owner-toasters@mathworks.com] On Behalf Of Fred Grieco Sent: Tuesday, November 16, 2010 6:26 AM To: toasters@mathworks.com Subject: NDMP backup of snapmirror target
I am snapmirroring several volumes to a DR site, and I would like to do tape backups at that site. How should I do them? Can I use NDMP?
It seems like I can't do straight NDMP because the replicated target is read-only. I am currently creating flexclones from snapshots existing in the volume (nightly.0...) but flexclone then locks this snapshot and snapmirror will fail to update ( I'm not sure if this happens at the next update or when the source system attempts to remove that snapshot and copy it over... I wasn't watching).
What do you generally do to get snapmirrored volume data to tape?
TIA,
Fred
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Alexander, Edward S (Genworth) -
Fred Grieco -
Holland, William L -
Kennedy, Jeffrey