But I have RAID, surely I don't need a backup too.???
/sarcasm
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(Score: 0) by Anonymous Coward on Friday October 30 2015, @08:01PM
by Anonymous Coward
on Friday October 30 2015, @08:01PM (#256634)
The problem with RAID is that it also backs up your commands, so if you run rm -rf / on one of the hard disks, it'll run it on them all. If you want to avoid this behaviour what you should do is pull out one or more of the disk drives after you've run a potentially problematic command.
Don't laugh - I went into one customer to do a piece of work (about 12 yrs ago now...) and found that their backup procedure was to yank one of the drives from their RAID 1 mirror and stick it in the safe before they left the office in the evening, then replace it when they returned in the morning. Quite why they thought that something would only happen at night (even if they didn't understand the technical stuff that makes that wrong on so many levels) I'll never know.
Usually, before I install any new software or upgrade, I run CloneZilla on the disk, and store the disk image files on one of those Western Digital "Elements" USB drive.
I have one subdirectory for Eagle, LTSpice, and MathCad files which I have been working on a lot, so I usually keep a couple of copies of that subdirectory on the drive as well, and update those every week or so, more often if I have been doing a lot of serious and new work.
I have two "Elements" drives and ping-pong between the two, hoping that in the event of big-time trouble, if one is damaged, hopefully the other one will bail me out.
Being I image the complete drive, if I do get a nasty - I intend to go ahead and replace the HDD on my machine with a larger brand new one and re-image the drive from the CloneZilla files on the Elements drive. That should put me back in the state the machine was in when the image was taken.
My biggest fear is one of those Microsoft updates makes its way into my machine and corrupts some critical driver files, like those FTDI drivers covered several months ago here.
Unfortunately, as long as I am connected to the internet, there is only a "gentlemen's agreement" between me and Microsoft that they will not mess with my machine if I have turned automatic updating off. I know full good and well about the ADVAPI32.DLL backdoor, and know full good and well no Microsoft machine is truly secure if online. But I do need it in order to communicate with businesses that require proprietary Microsoft protocols in order to communicate with them - as simple .txt files are often inappropriately dressed for business, where image and presentation trump substance and integrity.
I have strong suspicions that many companies are "working with" ( aka "bribing") Microsoft to have their digital policemen uploaded into everyone's machine, and once these policemen start observing and reporting everything somebody does something that somebody else does not want them to do, all sorts of legal crap - probably 1% real, 99% phish - will erupt into the email streams.
-- "Prove all things; hold fast that which is good." [KJV: I Thessalonians 5:21]
I recall there were some clowns running a cloud storage service that believed that RAID was as good as a proper backup system. It bit them on the arse too. Tried looking for them on Google but nothing, sure it happened, if anyone here can recall/find citations...?
(Score: 2) by WizardFusion on Friday October 30 2015, @01:10PM
But I have RAID, surely I don't need a backup too.???
/sarcasm
(Score: 0) by Anonymous Coward on Friday October 30 2015, @08:01PM
The problem with RAID is that it also backs up your commands, so if you run rm -rf / on one of the hard disks, it'll run it on them all. If you want to avoid this behaviour what you should do is pull out one or more of the disk drives after you've run a potentially problematic command.
(Score: 4, Funny) by Adrian Harvey on Sunday November 01 2015, @08:39AM
Don't laugh - I went into one customer to do a piece of work (about 12 yrs ago now...) and found that their backup procedure was to yank one of the drives from their RAID 1 mirror and stick it in the safe before they left the office in the evening, then replace it when they returned in the morning. Quite why they thought that something would only happen at night (even if they didn't understand the technical stuff that makes that wrong on so many levels) I'll never know.
(Score: 2) by WizardFusion on Sunday November 01 2015, @06:40PM
+1 OMG
(Score: 1) by anubi on Monday November 02 2015, @07:06AM
Fail. I reverse snorted my coffee.
Usually, before I install any new software or upgrade, I run CloneZilla on the disk, and store the disk image files on one of those Western Digital "Elements" USB drive.
I have one subdirectory for Eagle, LTSpice, and MathCad files which I have been working on a lot, so I usually keep a couple of copies of that subdirectory on the drive as well, and update those every week or so, more often if I have been doing a lot of serious and new work.
I have two "Elements" drives and ping-pong between the two, hoping that in the event of big-time trouble, if one is damaged, hopefully the other one will bail me out.
Being I image the complete drive, if I do get a nasty - I intend to go ahead and replace the HDD on my machine with a larger brand new one and re-image the drive from the CloneZilla files on the Elements drive. That should put me back in the state the machine was in when the image was taken.
My biggest fear is one of those Microsoft updates makes its way into my machine and corrupts some critical driver files, like those FTDI drivers covered several months ago here.
Unfortunately, as long as I am connected to the internet, there is only a "gentlemen's agreement" between me and Microsoft that they will not mess with my machine if I have turned automatic updating off. I know full good and well about the ADVAPI32.DLL backdoor, and know full good and well no Microsoft machine is truly secure if online. But I do need it in order to communicate with businesses that require proprietary Microsoft protocols in order to communicate with them - as simple .txt files are often inappropriately dressed for business, where image and presentation trump substance and integrity.
I have strong suspicions that many companies are "working with" ( aka "bribing") Microsoft to have their digital policemen uploaded into everyone's machine, and once these policemen start observing and reporting everything somebody does something that somebody else does not want them to do, all sorts of legal crap - probably 1% real, 99% phish - will erupt into the email streams.
"Prove all things; hold fast that which is good." [KJV: I Thessalonians 5:21]
(Score: 1) by malloc_free on Monday November 02 2015, @06:33AM
I recall there were some clowns running a cloud storage service that believed that RAID was as good as a proper backup system. It bit them on the arse too. Tried looking for them on Google but nothing, sure it happened, if anyone here can recall/find citations...?
(Score: 3, Funny) by mhajicek on Tuesday November 03 2015, @05:13AM
The article wasn't properly backed up...
The spacelike surfaces of time foliations can have a cusp at the surface of discontinuity. - P. Hajicek