0
votes
2answers
63 views

Adaptec Raid Controller 6405E slower than onboard raid?

Running on Windows 8.1 x64. Raid is 0 on two Samsung Evo SSD. Both read and write cache is enabled. Here's result from onboard raid (ASUS-P9X79-E-WS): And here's from the dedicated raid controller ...
-2
votes
1answer
528 views

How can I achieve maximum sustained sequential disk write performance?

I need data write rates of ~1 GB/sec sustained for ~1 hour. Data is coming in over this PCIe x4 frame grabber. I need to stream its full bandwidth to disk. I don't have experience with RAID, but as ...
1
vote
0answers
33 views

Progressive upgrade of a RAID array

Our group has a 16 disk backup RAID6 array. Currently, those 16 disks have the following specs; 500 GB 16 and 64MB cache 3 Gb/s SATA I would like to begin upgrading these disks if possible, ...
1
vote
1answer
131 views

Hardware RAID 1 With ERC/TLER/CCTL

I am aware of the problem when using standard consumer-grade drives with RAID levels 5 and 6; if a drive takes too long trying to read and/or repair a bad sector, it will be dropped by a hardware RAID ...
1
vote
1answer
140 views

JBOD and DUAL mode difference

My dual bay HDD enclosure got JBOD and DUAL modes among other modes. What is the difference between those 2 modes? I just want to know exactly because I am connectin a single hdd with data and I don't ...
1
vote
1answer
350 views

Disk durability when using RAID 10 vs RAID 5

Most of the time technical articles about different RAID levels mostly about how redundant they are, how fast on read/write etc. But I can't find information about would a disk in a certain RAID live ...
0
votes
3answers
345 views

How do I attach more hard drives to my hardware RAID card?

I have an Adaptec RAID 5805 with a total of 8 SATA hard drives attached. There are two "mSASx4 (SFF-8087) to SATA (4)" cables plugged in: and attached to each of the 8 ends, is a SATA hard ...
3
votes
3answers
540 views

RAID 0 + 1 with 3HDD 2x1TB + 1x2TB

Is it possible to make RAID 0 + 1 with 3 Hard Drives I have currently setup raid 0 with 2x~1TB HDD (1.8TB approx) Now i got 2TB HDD (1.9TB approx) which i want to be as a mirror drive. Is is ...
1
vote
1answer
381 views

Add a small RAID card? Will it help overall stability and performance of my nine hard drives?

Will I get any extra genuine added performance and RAID stability if I insert a basic RAID card into a PCI-E x1 slot? I am considering the Adaptec 1220SA - 2 port SATA, PCI-express (1x), RAID 0/1. ...