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How does loss of single drive influence 4k random performance of RAID 1 array?
Here is one explanation of the benefits of RAID 1:
"As different disks can seek on different data, it [RAID 1] has up to 2x the random read IOPS but the same 1x (or slightly lower, due to ...
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1
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Can the transfer rate of SATA limit the performance of a RAID array?
Let's say I have 4 drives and each of them has a transfer rate (random/sequential,read/write, it doesn't matter for the purpose of this question) of 250Mb/s. I put them in RAID 0. This means that I ...
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1
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4 SSDs RAID 0 integreted vs dedicated controller
I've been thinking about setting up 4 SSD RAID 0 to gain performance in my home PC, and I ran into this review of PCI-E based SSD.
If I use PERC H310 (8 lane PCI-E 2.0 RAID controller, which means ...
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poor write performance with RAID 5 array
I have an Intel RS2WC080 RAID controller card connected to an array of 8 WD Black 4TB SATA3 drives, in a RAID5 configuration.
While the read speed is ~750MB/s the write speed hovers around 45MB/s. I ...