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Just my thoughts...once upon a time I had an old PC with no SATA ports. Me knowing nothing bought a raid adapter card and set up a single HDD in Raid with the SATA Hard Drive. Not sure of the raid mode but I'm guessing it was Raid0...And guess what...It works. Today I find myself looking to do the same thing. I have a new Asus Mother board which has NO raid ...


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In terms of sequential performance, for both read and write, RAID10 of four drives behaves exactly as RAID0 of two drives. You are seeing that yourself with just two drives blinking. That is the expected behavior. It is so, because RAID1 in standard configuration does not increase sequential read speed. (been wondering about the same thing about 11 years ...


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What can I do to attempt to recover the files? Stop what you are doing. Power off the server. Remove the hard drives and ship them off to a professional data recovery shop. Period, full stop. You haven't a clue how exactly it was configured before, and anything more you do to it will cause further issues. I've had an idea of reconfiguring the RAID ...


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That depends on what you mean by system crash. If you abruptly reboot the machine running a RAID-0 array disk that is properly set up in mdadm.conf and fstab, it will resume work like any other disk, it will be assembled and the partitions will likely be run through a journal replay and/or a fsck mechanism. If on the other hand you take any one of the ...


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If you want safety then don't use RAID 0, software RAID 0 will survive system crash. More important question is how file system integrality will look like after crash, for example under default configuration ext4 with journal and write barriers is quite safe. During unexpected reboot it's possible that you will lose not committed data (so called dirty pages ...



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