PD2
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16 years ago @ Powered Production - Backup Solutions for M... · 0 replies · +2 points
16 years ago @ Powered Production - Backup Solutions for M... · 0 replies · +2 points
16 years ago @ Powered Production - Backup Solutions for M... · 5 replies · +2 points
Once you know what can be archived that sometimes (or should) drop your overall volume size down so that you can then begin working with an active file system to begin backing up and storing for instant data recovery. In fact, tagging on to what I mentioned above about the Tier 3 storage, think of Tier 1 as the place all of your files that you constantly access day to day goes. Tier 2 are copies/backups of those files so that you can retrieve them in the event of failure of Tier 1. And Tier 3 is the archive of files no longer being used and/or secondary copies of Tier 2. Sounds complex or elaborate, but in essence still adheres to the 3 Copies as mentioned in the article.
Now all of this sounds wonderful and great, but the one thing that many people don't do that could help shape their backup plans is a simple valuation of the data. Can you put a "value" in time, money, or something that can be calculated in a tangible value index that you can quickly determine, what is the true loss if this data goes missing? See, just like insurance, we are told you should or even GOTTA have it. But what do you have to have and how much is enough or what is too much? Can the data that is lost be recreated instead of wasting space on backups and storage? And if not, what would it costs you (no matter what valuation index you use)? From here it can quickly get you to where you need to be...because, if we go back to the Tiers or copies, let's think about what your Tier 1 should be like to begin with.
Having a simple DAS or JBOD's that are setup in RAID 5/6/10, etc., can do wonders and might just be enough for what you need for recovery. It's playing odds....what are the odds that you loose one disk out of "X" amount of disk? And no, its not the more disk you have the better...its the RAID scheme, it's how your data is written to the disk, and its also how quickly a rebuild/recovery can be done (another piece that needs to be discussed - how quickly do you need to recover data that you loose). Case in point, Fry's has a great mini-DAS for about $200-$250 that allows you to install whatever disk you want and then it will support any RAID configuration you setup. Maybe that's perfect for your safety needs.....but yes, I know, everyone will say....RAID IS NOT BACKUP! That is correct, but still, prevention at each level is just as key as going and pulling tapes from a climate controlled storage facility.
So what about Tier 2 and Tier 3. Tier 2 is typically a similar setup to Tier one, but with the choice of drives being iSCSI/SAS or SATA. Why? Well, depends on how often you will be pulling data direct from this system vs. just writing backup/copies. If the IOPS are needed then of course we want higher performing drives and a system that can provide the performance. But if this is happening, its typically because the Tier 1 is failing a lot or we are messing up a lot. :-) So mixing in SATA drive based storage can reduce the over all costs....so then you have a tiered structure that goes like this: iSCSI/SAS -> SATA -> DVD/tape or even online.
Software, as mentioned is another big one and one that not many people spend time on, but of course there are a variety that can provide some level of backup and recovery from file all the way down to blocks. One that I'm partial to for regardless of whether we are talking about workstations or servers is R1Soft. Block level backups and recoveries that can restore even blocks that all of sudden get corrupted. I personally have this on my hosting server and have had several people use it with great success. But that can be a high end product when there are others, as mentioned, that are freeware.....it all goes back to the valuation I mentioned earlier - what's the value?
Definitely some great topics and always good to be aware, especially if you have customer data or data that is priceless!
PD2
17 years ago @ Herald of The Truth - Life and Death Are in ... · 0 replies · +1 points
17 years ago @ Part of the glue - Are some exempt from D... · 0 replies · +1 points
17 years ago @ Part of the glue - Are some exempt from D... · 0 replies · +2 points
"And God has appointed these in the church: first apostles, second prophets, third teachers, after that miracles, then gifts of healings, helps, administrations, varieties of tongues"
For instance, the work we do within the Church and through the Church, is in the form of helps and in some cases administration. But notice, we are not appointed to one and only one ministry - all of these ministries should be at work within our lives. Yes, the Church and those that have a greater anointing for each of these help, train, and raise up those that are wanting a greater manifestation of these ministries in and through all they do. But once they are trained up or shown how to minister in these areas, that is when we are to fulfill the Great Commission. The Great Commission is a personal responsibility and through that personal responsibility, when we are assembled together, the Church as a whole then takes part in it too.
PD2
17 years ago @ Human3rror - Who Would Jesus Smack ... · 2 replies · +2 points
17 years ago @ Human3rror - Will You Listen? Will ... · 0 replies · +1 points
17 years ago @ Human3rror - Will You Listen? Will ... · 2 replies · +1 points
17 years ago @ Human3rror - Will You Listen? Will ... · 2 replies · +1 points