IdoNotes (and sleep)

ND7 Upgrade Seminar day review and a question for all of you

by Chris Miller at 11:35:01 AM on Friday, May 5th, 2006

First things, best practices on backups and transaction logging. An attendee was using true incremental backups against transaction logs. Unfortunately, backups were reaching 16 hours and restores took hours to roll the full and then playback all the reads and writes to the point they desired. I understand their pain. Plus you are dealing with numerous tapes for a restore to a working point. So the question is who uses true incremental backups through transaction logging and what is your restore time? Are you seeing it to be beneficial to run in that scenario or perform full backups each night and make restores faster while slowing backup times?

As for the review, only a couple enterprises left on Domino 5 in the audience. That was nice to see that they were finally getting ready to upgrade. Questions were very direct and dealt with specific scenarios and issues, not ones that everyone seemed to have. The demonstration on DDM was, as usual, long and generated great reviews.

Sametime was in swing in numerous companies, LEI did not get favorable comments and web presence through Domino servers was not as strong as I expected. we talked about almost all the add-ons, even ran into a company that ran DUCS.

So a wonderfully friendly bunch, lots of laughter and fun the whole day. You can find the pictures so far right here.

Location: Marriott - Regents Park, London

Category: Conferences Domino 7 Travel
Tags :ND7 Upgrade Seminar Domino 7 View blog reactions

1) ND7 Upgrade Seminar day review and a question for all of you
Created by Jack Dausman at 5/5/2006 1:58:59 PM email | website

16 hours for incremental backups on transaction logs? That doesn't make any sense. I'd talk first to the admin's backup company and see if they've heard of anything like that. I've never heard of anything close to those numbers.

2) re: ND7 Upgrade Seminar day review and a question for all of you
Created by Chris Miller at 5/7/2006 11:23:37 AM email | website

Neither had I, but thinking maybe said the restores were taking that long with the incremental backups. either way, a huge number to me as well. We do not see those kind of numbers on any backup/restore scenario

3) ND7 Upgrade Seminar day review and a question for all of you
Created by Chris Whisonant at 5/8/2006 7:48:35 AM email | website

What tape technology are they using and how much are they saving every night? Are they direct-attached or saving over NDMP? That's pretty rough. We're on SCSI LTO2 (going to LTO3 soon) and we're saving about 300GB in just under 2 hours doing full saves.

4) ND7 Upgrade Seminar day review and a question for all of you
Created by Warwick Benge at 5/15/2006 6:03:08 PM email |

We have a site taking almost a full 24 hours to backup 300Gb to LTO2. They are doing full backups across the LAN using Time Explorer (not a product I am ovrly familiar with). As it transpired they had cluster traffic and client traffic plus the backup running on the same NIC which wasn't helping. They desperately want to switch to incremental backups, however my concern is the restore time. As a comparison, on another site we are backing up 120Gb to SDLT in under two hours. I'd be grateful to hear anyone elses thoughts and experiences on doing incremental backups and restores.

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