HELP!!! i accidently formated my CF card
- Thread starter delighttheimpossible
- Start date
ovaltinemilo
Senior Member
Rather cool story on your hard dick...hope you don't place your hard dick on the window ledge again:sweatsm:
Alan Chan
Senior Member
ok bro sorry again if i seems rude, msg r emotionless. truce.
about online backup, i read story on other forum about paid service shutting down n the poor guy lost all his photo.
ManWearPants
Senior Member
really. nothing against you and you do not need to be apologetic. This is a forum. Msg comes fast and furious.
ok. that's the end for online backup for me.
No... when 1 fails, u can still use the other as per normal. But u had better pray hard hard it wont fail b4 u replace the faulty HD. I have used Raid1 on all my 3 home PCs and NAS using Promise TX2000 IDE RAID for >5yrs. Nvr a failure and nvr need reinstall my OS. Absolutely reliable. Only time things fail is when the user/malware delete ur files. Such actions RAID also cant help, so NAS can help reduce this probability.
Go for reputed brands like Promise, Arecca, Highpoint. They cost more but definitely much better than those $20 no-brand ones. I had tried a cheap $20 one... let it mirror my 80GB HD (few yrs back) over nite and still not done. My Promise does it in 30mins. Reliability is worth paying for...
Go for reputed brands like Promise, Arecca, Highpoint. They cost more but definitely much better than those $20 no-brand ones. I had tried a cheap $20 one... let it mirror my 80GB HD (few yrs back) over nite and still not done. My Promise does it in 30mins. Reliability is worth paying for...
ManWearPants
Senior Member
Thanks. Used to run Raid 0+1 on WinXP and run into loads of problems when hdd/controller/mobo fails. It is the effort required to recover from the diaster that puts me off. So now I keep my PC setup simple (1 hdd and use native drivers) and use Synology NAS for data storage and have it replicate with another Synology NAS. Then backup to an external usb hdd on a monthly basis. Best part is it is driven by the NAS OS.
Synology NAS quite reliable. More than 3 years now. No major disaster yet. Touch wood.
http://www.synology.com/enu/index.php
Synology NAS quite reliable. More than 3 years now. No major disaster yet. Touch wood.
http://www.synology.com/enu/index.php
No... when 1 fails, u can still use the other as per normal. But u had better pray hard hard it wont fail b4 u replace the faulty HD. I have used Raid1 on all my 3 home PCs and NAS using Promise TX2000 IDE RAID for >5yrs. Nvr a failure and nvr need reinstall my OS. Absolutely reliable. Only time things fail is when the user/malware delete ur files. Such actions RAID also cant help, so NAS can help reduce this probability.
Go for reputed brands like Promise, Arecca, Highpoint. They cost more but definitely much better than those $20 no-brand ones. I had tried a cheap $20 one... let it mirror my 80GB HD (few yrs back) over nite and still not done. My Promise does it in 30mins. Reliability is worth paying for...
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Alan Chan
Senior Member
i was focuing on zack's case of HDD failure only. period. you are right about raid not equal to backup, i never said it was. and pls let our friendly daredevil answer his own post. thanks.
just as a side note, you are right about the above, i only add on a few pointers:
1. accidental delete is human error, main or backup can also applies.
2. accidental format also same as 1.
3. unless both main n backup belongs to diff power grid, or else they face the same risk just maybe not at the same time unless power outage during backup.
4. make no diff if both main and backup are near to one another, the backup should be far away enough from main so that the same fire or flood wont consume them both.
Alan Chan
Senior Member
RAID 0 only improves read write speed right? thats why cant use as normal HDD if one of them or the controller fail. i'm more concern about data lost than speed lost, so i choosed 1 over 0+1.
ManWearPants
Senior Member
Yes, Raid 0 is data striped across 2 disks for faster rw. Raid 0+1 is striped and then mirrored. Those were the 40-80GB hdd days when hdd is still expensive and consumer NAS not available. I have so many 40GB hdd then :bsmilie: . Now you have 1TB hdd to take care of everything.
Since you've added pointers to my post, can I reply now?
Yes, 1 & 2 are human errors. But what is the likelihood of same mistake happening twice around the same time? The HDs failure can be caused by the NAS power supply fault.
No offence, but this is an open forum right? If it's a private conversation, then should take it offline.
Alan Chan
Senior Member
relax, dun have to ask for permission, like you said its an open forum. but strangely my last post to yours said you are right, just expanded the points you made, so i dont see the need to reply on that.
well to be frank your sentence of "Already told you Raid is not equal to backup. Do a bit of research on this, may be you'll understand better." seems to implied that i talk without knowing the facts. ofcoz i feel that i need to clear the misunderstanding, in case ppl think i'm talking thru my butt.
you can store data there.
i thought at best got dna only
the only post i read seriously serious hahahahahahahhaha
cheers
Peace..no offence.
Sorry if my choice of words seem harsh. I guess I responded becos 1 of your post seem confusing between redundancy and backup.
Alan Chan
Senior Member
Peace..no offence.
Sorry if my choice of words seem harsh. I guess I responded becos 1 of your post seem confusing between redundancy and backup.
None taken. Truce.
Full format zeroes every sector on the partition and recreates the filesystem, so software data recovery is no longer possible.
If you overwrite the sector containing the file data, software recovery will be impossible. Yes, you might still be able to recover it, but only using physical techniques such as magnetic force microscopy. Not that I'm aware of anyone providing such a service.
I don't use online backup services, but you could always encrypt your data for confidentiality.
Although I don't have evidence to support this, I believe hard disk failure is correlated (how strongly, i don't know). So with regards to hard disk failure, and not human errors, controller card failure, power surge, and other factors etc, is it possible that doing backups have marginal advantages over a RAID1 since
1. the hard disks are not being used the same amount of time,
2. you could use different hard disks.
Well, 2 is true for RAID too, but normally the same model of hard disks (and even the same batch) is used.
1. the hard disks are not being used the same amount of time,
2. you could use different hard disks.
Well, 2 is true for RAID too, but normally the same model of hard disks (and even the same batch) is used.
You mind show me where you learnt this from?
My stand is still that full format just does a additional scan to fix bad sectors compare to quick format, and you can read this Microsoft Support article Differences between a Quick format and a regular format.
Here is another article on Difference between Full Format and Quick Format. And there are many more if you do a search.
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