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Xeb's Misadventures as a Data Recovery Engineer - Updated 4/11/2017 - Page 9

post #81 of 220
Quote:
Originally Posted by axipher View Post

Quote:
Originally Posted by Lady Fitzgerald View Post

 
Quote:
Originally Posted by axipher View Post

 
Quote:
Originally Posted by Lord Xeb View Post

You sir deserve a boot to the head.


Silly Storage Noobs....


I like my Raid 6 with 8 3 TB drives.  I just set up a main partition and a back-up partition on it so that I have double back-up on it.


Amazing! I can't even finish typing my previous post (yes, I type slowly; I have learning disabilities) and someone jumps in with a post to back up a sentence in my previous post (Sadly, many, if not most, otherwise very knowledgeable people (including geeks who should know better) do not understand how vital proper backups are or even know what is needed for a proper backup).

 
Quote:
Originally Posted by fragamemnon View Post

What? Why would you back up your RAIDed partition on a cloned partition on the same array?


Exactly! axipher doesn't state if his RAID 6 is in his computer itself or in a NAS but, what he described is essentially a clumsy nested RAID. Putting a backup on the same machine that is being backed up is still leaving data exposed to theft, current surges and voltage spikes (surge arrestors, while certainly better than nothing, can and do fail) that blow out all the drives, etc., malware infections, theft, fire, flood, and other natural (and unnatural) disasters, etc. However, what do I know? I worked in warehousing half of my life, spending more time driving forklifts and cranes than driving computers (actually, we didn't even have access to computers for much of the time) so, rather than trust me, click on the first link in my sig below and read what Sean Webster, who makes a living working with HDDs, SSDs, etc. and is considered OCN's resident drive guru (our beloved Xebbie is right up there with him) has to say about it.

I'm hoping my sarcasm was somewhat picked up.  I was actually taking a jab at a friend of mine who argued till he was blue in the face that separate partitions are acceptable...

Personally, I make use of 10 TB of OneDrive storage to back everything up to along side a NAS at home (UnRaid XFS, not the best disk parity system, but double parity drives has served me well so far).  And nothing will ever beat monthly archives of all my Documents and pictures to DVD-R Archive grade and in to a Fire-Box.

Sorry! I missed the sarcasm (I haven't gotten my nap out yet).

Just a side note. Are you aware that the ratings on consumer fireproof and fire resistant boxes and safes are based on a temperature inside the box or safe that won't destroy paper for so many minutes, such as 350°F for 30 minutes? While paper exposed to 350°F for 30 minutes will brown a bit, it will still be readable. Plastic and electronics will not fare so well. This is one reason why it is so imperative to have offsite backups in addition to onsite backups.
     
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post #82 of 220
Quote:
Originally Posted by Lady Fitzgerald View Post

Sorry! I missed the sarcasm (I haven't gotten my nap out yet).

Just a side note. Are you aware that the ratings on consumer fireproof and fire resistant boxes and safes are based on a temperature inside the box or safe that won't destroy paper for so many minutes, such as 350°F for 30 minutes? While paper exposed to 350°F for 30 minutes will brown a bit, it will still be readable. Plastic and electronics will not fare so well. This is one reason why it is so imperative to have offsite backups in addition to onsite backups.

 

I've always stuck to the age old recommendation of keeping the Firebox away from highly flammable things and things that fuel fires.  In a closet of clothes is by far one of the worst places to stick a firebox in my mind so I normally keep it out in the garage, or in a cool storage room.

 

I was aware that the cheap (<$500) fire-boxes don't offer the highest grade of protection, so I typically put a little more money in to my protective devices, but I also spend $500 on a set of coveralls with a stupid high arc-flash rating for working in electrical rooms at big industrial plants, so I know the value of protective gear and not being cheap.

 

I never really looked at temperature ratings though so thanks for fireboxes that closely.  Unfortunately in Canada, our fire burns in degrees Celsius, so your Fahrenheit ratings don't really mean much :P

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post #83 of 220
Quote:
Originally Posted by Lord Xeb View Post

I know plenty of people who lost data but still did not proceed to back up... At my old job it was a frequent occurrence usually by some teen who was not responsible.

Sounds like my co worker : D
post #84 of 220
Quote:
Originally Posted by axipher View Post

Quote:
Originally Posted by Lady Fitzgerald View Post

Sorry! I missed the sarcasm (I haven't gotten my nap out yet).


Just a side note. Are you aware that the ratings on consumer fireproof and fire resistant boxes and safes are based on a temperature inside the box or safe that won't destroy paper for so many minutes, such as 350°F for 30 minutes? While paper exposed to 350°F for 30 minutes will brown a bit, it will still be readable. Plastic and electronics will not fare so well. This is one reason why it is so imperative to have offsite backups in addition to onsite backups.

I've always stuck to the age old recommendation of keeping the Firebox away from highly flammable things and things that fuel fires.  In a closet of clothes is by far one of the worst places to stick a firebox in my mind so I normally keep it out in the garage, or in a cool storage room.

I was aware that the cheap (<$500) fire-boxes don't offer the highest grade of protection, so I typically put a little more money in to my protective devices, but I also spend $500 on a set of coveralls with a stupid high arc-flash rating for working in electrical rooms at big industrial plants, so I know the value of protective gear and not being cheap.

I never really looked at temperature ratings though so thanks for fireboxes that closely.  Unfortunately in Canada, our fire burns in degrees Celsius, so your Fahrenheit ratings don't really mean much tongue.gif

350°F = 176.667°C wink.gif
     
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post #85 of 220
Quote:
Originally Posted by ACleverName View Post

...There are those who never lost data, yet. And those who have lost data and do backups.

Not to mention those who came close to losing data and now do backups (yes, that would be me blushsmiley.gif ).
     
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post #86 of 220
Quote:
Originally Posted by parityboy View Post

@Lord Xeb

Even RAID 10?
I use 10 myself on my storage array, was never a fan of RAID 5 myself.
Quote:
Originally Posted by BulletSponge View Post

I just watched an 8 thumb drive RAID video on Youtube. My first thought was of Xeb's avatar.

That sounds a bit interesting to begin with, I always loved the SSD one from the past.

Just an oldie these days I guess.

https://www.youtube.com/watch?v=eULFf6F5Ri8

Wasn't even that amazing then, but wth smile.gif

I found the flash drive one after that I guess.

https://www.youtube.com/watch?v=dougISKs2vQ#t=5.495854

Not sure why you would really want to though.
Edited by Mong Grel - 12/1/16 at 10:29am
post #87 of 220
Quote:
Originally Posted by Lady Fitzgerald View Post

Not to mention those who came close to losing data and now do backups (yes, that would be me blushsmiley.gif ).

touched a online seagate drive, heard a click, GG was over. This was years ago with a JBOD setup. Now i have it so each PC backs up each other with Free file sync and my C drives are imaged with R-Drive which also copies over to each other PC then about once a week i back up everything to a offline 12 tb setup
post #88 of 220
Quote:
Originally Posted by Lord Xeb View Post

You sir deserve a boot to the head.

For losing replaceable data that wasn't generated by me? Hardly.
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post #89 of 220
When I read you Xeb, I'm happy my documents are on two machines and an encrypted sync service, and all my media are on a testing unRaid server, because I've learnt to not care about losing media 😁

(Seriously, I've lost 160GB of music 13 years ago, painfully downl... Legally ripped from my own library of course; I decided not to care: too painful)
     
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post #90 of 220
@Xeb

In one of your earlier posts you said something along the lines of "hard drives don't place data on the platters in a predictable fashion". I understand that hard drives do weave the data between the surfaces (a bit like a striped RAID array), but since the heads in the head pack move in lock step, and generally work inwards from the outside of the drive, isn't it somewhat predictable?

Or are you saying that they can place data on any surface order simply according to what the manufacturer thinks is optimal?
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