For the Full Backup to Disk... by alternating backup jobs... what do you mean there?
_____________________________ Cameron Cooper Network Administrator | CompTIA A+ Certified Aurico Reports, Inc Phone: 847-890-4021 | Fax: 847-255-1896 [email protected] | www.aurico.com From: Andrew S. Baker [mailto:[email protected]] Sent: Friday, August 06, 2010 12:44 PM To: NT System Admin Issues Subject: Re: Backups So you're not keeping the backup to disk at all? BTW, I can't see how the retention of the tapes can be classified as "at least one full day". It would have to be a week or something. Otherwise, how would you restore on Friday, what was lost on Wednesday if it was only created on Tuesday morning? I would be inclined to go with the following backup scheme: * Full Backup to Disk -- Each Sunday * Alternate backup jobs by week (total of 2 jobs) -- Retention of 2 Weeks * Differential Backup to Disk -- Monday to Saturday * Retention of 2 Weeks (tied to the corresponding Full) * Weekly to Tape -- Every Saturday * Backup Recently Completed Full + Diff and take off site -- Retention of 6 Weeks * Monthly to Tape -- Every Saturday of Each Month * Backup Recently Completed Full + Diff and take off site -- Retention of 12-24 Months Now, you'll be able to restore files of up to 2 weeks from disk, and up to 6 weeks from tape. Beyond 6 weeks, you'll have to restore the closest month end version, assuming one exists. I've used some variation of this scheme for the past 4 or 5 years. Environments that are more critical can copy to tape and take off-site daily... (or find another way to replicate the backups to a separate location) ASB (My XeeSM Profile) <http://XeeSM.com/AndrewBaker> Exploiting Technology for Business Advantage... Signature powered by WiseStamp <http://www.wisestamp.com/email-install> On Fri, Aug 6, 2010 at 1:15 PM, Cameron Cooper <[email protected]> wrote: The retention period on the tapes is at least one full day. For the full tape backups it's a week. The incremental backups are one full day as well. We currently have 5 tapes that we rotate out. One for the weekly full backup and the other four for the daily incremental backup. Part of the reason that it took 4 days was due to restoring the tapes and being limited by the hardware. The tape drive is an external Dell LTO box that only takes one tape at a time. Once restoring the tape to disk, we had to wait for the cataloging of the media to finish. Once that was done, then we could go into the disk media to look if the files were there. The server that performs the backup, is a Dell PowerEdge 2950 with dual Xeon CPU @ 1.60GHz (each) with 5GB of RAM installed. Also the server's only role is to backup. _____________________________ Cameron Cooper Network Administrator | CompTIA A+ Certified Aurico Reports, Inc Phone: 847-890-4021 | Fax: 847-255-1896 [email protected] | www.aurico.com From: Andrew S. Baker [mailto:[email protected]] Sent: Friday, August 06, 2010 11:56 AM To: NT System Admin Issues Subject: Re: Backups What's your retention period on the tapes? (I'm assuming that the disk backup gets overwritten each week?) Why did it take 4 days to restore the file? Perhaps understanding that will help us provide suggestions. ASB (My XeeSM Profile) <http://XeeSM.com/AndrewBaker> Exploiting Technology for Business Advantage... Signature powered by WiseStamp <http://www.wisestamp.com/email-install> On Fri, Aug 6, 2010 at 12:29 PM, Cameron Cooper <[email protected]> wrote: Due to a recent issue with some files within our system being deleted and then taking 4 days to restore those files, we are looking for suggestions/advice on what an efficient backup process should look like. Here's what we currently have setup: - Every Sunday of the week we do a full backup to disk and Tape - Every Monday - Friday we do an incremental backup onto Tape - Every Monday - Saturday we do an incremental backup to disk _____________________________ Cameron Cooper Network Administrator | CompTIA A+ Certified Aurico Reports, Inc Phone: 847-890-4021 | Fax: 847-255-1896 [email protected] | www.aurico.com ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~
