Implementing the RAID is little challenging and user must take decision
to install either software-based RAID or hardware-based RAID. Software
based RAID configuration is cheap in price and OS is managing it
internally. As all disk drives are connected and accessed using operating
system which helps to configure RAID. Hardware base RAID controller
also a suitable option for our scenario which required hard drive and
RAID controller which need to buy.In our implementation we used
Hardware based RAID controller is used which is available in the market
helps to install RAID in server. Using RAID controller, we have more
advantages like, it is a dedicated processing unit means RAID card will
manage all RAID configuration apart from the operating system. Gives
more speed and space to read and write operations. This can be work
on any operating system also maintaining hard drives is very easy just
replace the old drive with new one. The cost of implementing RAID is
costly but it has various levels and cost of the implementation varies as
per levels. RAID has different attributes which are mirroring data, stripping
data, parity and mirroring stripping sets etc.
Hardware cost:
Hardware cost will change as per RAID levels as follows,
RAID level 0:
Just one hard disk used to store data and that data stripped in disk.
The extra disk cost $100 which is less costly than others.
RAID level1:
Mirroring data between two identical disk, means to install level 1 it
required least 4 hard disks. Which cost approximately $400.
RAID level 5:
It strips data and distributing parity data across all disks. This architecture
does not require extra hard drive.
Installing RAID is take up to 30 min to install and testing data will
take 1 hour.
I would purchase the Adaptec RAID 8405 card to begin with. This card
is compatible with RAID 0.1,5 and 10 and is also compatible with
windows. This device also holds up to 4 drives so it would be perfect
to run RAID 10 I believe. The cost for the RAID controller is $430
and each of the chose M.2 ssd cards is $9.79 so cost wise it would
top out around $500 with tax being included. As far as how long it
would take to install and test I would estimate from 24 to 48 hours.
Mostly because I have never done it so testing and making sure that
everything works would be time consuming. I chose the adaptec controller
due to the fact that it supports all of the 4 basic types of RAID.
Something of a jack of all trades which is something that is appealing
to me. Here are the links to the M.2 SSDs and the RAID controller.
"A RAID controller card is a device between the host system and the
storage system, and allows the two systems to communicate with each
other. There are standard redundant array of independent disks levels that
comprise a basic set of RAID configurations that employ techniques of
mirroring, parity, and striping to create large dependable data stores from
multiple general-purpose computer HDD's or hard disk drives. Now, RAID
0 (striping), RAID 1 (mirroring) and it's variants, RAID 5 (distributed
parity), and RAID 6 (dual party). A RAID controller card is similar to
an HBA, but can also add redundancy, optimize performance, reduce
latency, or even make smart decisions on wrether to store data on an
HDD or an SSD cache, depending on user needs. Since these additional
tasks consume power and processing speed, RAID controllers are typically
more expensive than HBA's (Host Bus Adapters) and handle fewer
devices." All of that being said, and if performance and write is key,
I think that RAID 5 would be the best candidate because it distributes
parity, which evens out the stress of a dedicated parity disk among all
RAID members, there is no bottlenecking, and if there is failure of a
single drive, subsequent reads can be calculated from the distributed parity
so that no data is lost. RAID 5 requires at least 3 drives and has
block level striping. I think this would be expensive, but worth it.
However the drives should be the same size and speed for the best
results. RAID 1 would be the cheapest. It would take a very long time
to install and test setup. I'm approximating between 7 to 24 hours.
Redundant Arrays of Independent Disks (RAID) 1 technique must be
implemented for achieving fault tolerance in the specific scenario. The
performance drag is high even after the execution of 2 hard disk drives.
Raid 5 would be the most reliable option in the scenario as it strikes
a balance between data security, fault tolerance, and performance. Moreover,
the RAID controller would work by virtualizing the hard disk drives into
distinctive groups with particular data protection as well as redundancy
features (Rouse, 2019).
The regular upgradation of the Windows version would help to manage
the lag issue and a graphics card could be further added to empty
PCIe ×4 slot on the motherboard. It would be beneficial as it would
help to manage the delay in the single hard drive by using the SATA
connection.Making the purchase of a WD Desktop Mainstream 2TB
IntelliPower 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive Kit
would be an ideal option for desktops (Rouse, 2019).
The hard disk drive would cost about USD 100. The upgradation of the
PCIe x 4 graphics card would cost approximately USD 120 as it would
have the features that would help to address the issue relating to fault
tolerance.
To be perfectly honest with you I have no clue About this weeks
discussion question. I am literally scratching my hair because I really do
not know how to ask of this question. But I will do the best I can
right now.RAID is the way of combining several independent and
relatively small disks into a single storage of a large size. The disks
included into the array are called array members. The disks can be
combined into the array in different ways which are known as RAID
levels. I found the website they have different price ranges. There was
one that I came across. It was SYBA SI-PEX40071 PCI-Express Controller
Card is designed for businesses which require large data storage. Equipped
with dual chips, it gives you an easy way to add additional eight
internal SATA III ports to your computer without compromising
performance. The SATA III ports offer a blazing-fast data transfer rate
of 6Gbps, while remaining backwards compatible with the SATA I and
SATA II specifications. This controller card supports Port Multiplier FIS
Based or Command Based switching, ensuring maximum performance. After
doing the research on RAID (Redundant Array of Independence Disk, I
have a small understanding on what it is.
You have 4 common types of RAID which is
RAID 0
RAID 1
RAID 5
RAID 10
Using RAID 0 could possible cause you to loose data because it is
not full tolerance.
The only good thing/benefit about RAID 0 is the speed. RAID 0 is
not duplicated and instead is spread through 2 separate disk. If any of
the disk fails all data will be lost.
RAID 1 is full tolerance, and disk 1 will have the same copies as
disk 2. If the one of the disk were to somehow get destroyed, you
wouldn't lose DATA because it has a duplicate copy.
Then we have RAID 5 which is fast and can store a lot of DATA
. RAID 5 data is not duplicated but spreads across multiple disk. This
is what a lot of companies use.
The downside to RAID 5 is it reduces collective amount of DATA.
RAID 10, you will need 4 disk. The set of 2 disk are mirrored using
a RAID 1 set up, and both sets stripped using RAID 0.
Downside is you can only use 50% of capacity for DATA storage.
In my opinion the best one to go for would be RAID 5, as it is
more common especially in businesses and I think RAID 10 would be
really expensive for some people, including me.
But me personally, I'd go for RAID 1 since it's more in my budget
which is 49.99 after doing the research online.
RAID 0 would be the one I'd least likely get because the only benefit
with it is the speed and my data has a higher chance of getting lost.
This weeks discussion is a little tricky, because i really don't know
much about RAID. I did some research on RAID and if i were to
purchase a hardware, i would purchase a Dell H700 Controller.
The difference between the two RAID is that, RAID-1 is lower in price
instead of RAID-10. staying on a budget is always a good thing
considering the price of each RAID and hardware drive. considering my
budget, i would purchase RAID-1. comparing the price between RAID-1
and RAID-10, RAID-1 is about $10 and RAId-10 is about $900 which
makes a very big difference in price.
i chose RAID-1 because it is more in my price range and i can
afford to purchase it.
in order to install RAID-10 you will need to use the hardware or
software solution.
The hardware needed would be something along the lines of this, it
goes into the PCIe x4 slot and makes RAID 0, 1, and 10 possible.
I would then purchase 4 more of the same hard drive to make
everything simple. After doing research online, i believe that the best
RAID level to use would be RAID 10, if money is not an issue.
RAID 10 does what RAID 1 (Mirroring) and 0 (Data Striping) do but
together. RAID 0 is quick, but is not fault tolerant. It stripes the data
across the hard disks, so in the event that a disk fails you lose all
of the data. Raid 1 is not very fast, but it is fault tolerant. You are
only getting half of the amount of memory due to the data getting
mirrored onto the second disk. So in the event a disk fails, you do
not lose all the data on the disk. RAID 10 Combines the two, it
requires a minimum of 4 disks, it stripes memory over the disks and
then mirrors the data. Increasing speed and not putting yourself at risk
of losing the data on a disk. RAID (redundant array of independent
disks) is a way of storing the same data in different places on multiple
jard drives or solid-state drives to protect data in the case of a drive
failure. There are different RAID levels, however, and not all have the
goal of providing redundancy for a system.RAID works by placing data
on multiple disks and allowing input/output operations to overlap in a
balanced way, improving performance. Because the use of multiple disks
increases the mean time between failuresstoring data redundantly also
increases fault tolerance.
The cost of implementing one of these systems can vary depending upon
the specific needs and capabilities of your unit. The most bang for your
buck would probably be a RAID 5 system but it is the most expensive
in the group. To balance protection and power i would choose a RAID
3 or Raid 4 setup.
To build upon information about the performance of RAID-10, let's say
that you have a server with 20 hard drives, by making it a RAID-10
array, you are effectively striping mirrors of those disks. So for example,
you would have 10 mirrors that are stripped together for performance
purposes. One of the great things about RAID-10 is that the more
mirrors that you have, the higher your Input/Output Operations Per Second
or IOPS. IOPS isn't necessarily more speed during a file-copy though
that many disks would help, IOPS are more operations per-second. So if
you were assigned to build a RAID array to support multiple virtual-
machine workloads, RAID-10 would be the best choice because those
multiple virtual-machines would really create a lot of Input Output on
that array. More IOPS is in the basic sense, more things that can be
done at the same time on the array.So at the end of the day, more
mirrors inside of a RAID-10 array allow for more IOPS. Without going
crazy in-depth into this, you can also use other storage technologies to
increase your IOPS of your array by using NVME or SAS/SATA SSD
storage as a hot-cache tier zero storage. So that all of the really
common and frequently accessed data is stored in this very highly capable
storage and data that is pulled less frequently is pulled from the much
slower HDD's.
As I was looking online I decided I would buy a Raid kind of
control thats compatible with raid 10. RAID 10 because provides better
performance and is also a combination of raid 1 . It comes with
fault tolerance and disk mirroring. 10 data is corrupt across disks. When
one of the disks gets an error or begins to fail, data is automatically
recreated from the distributed data block. benefits of using 10 allows
stuff to be swapped with no issues to users in the case a drive
fails, and you need to replace it. the RAID 5 being the more
professional choice, it will perform well. only difference is it does not
mirror the information but the other disc can recreate the information
using parity. Data is the RAID level of choice for operations that require
tolerance and rapid disk speeds.In order to install RAID 10 You
would need to make the decision of using a hardware or software RAID
solution. I chose software because it better performance and also you
can try The hardware Vantech, it gives four SATA on top of the
one ports and supports PCIe x4. The cost of this controller is $50 on
Ebay, or amazon . A RAID controller is a card or chip located
between the operating system and the storage drives, usually hard disk
drives. RAID provides data redundancy and/or improves hard disk drive
performance; most RAID levels do both. RAID does provide redundancy
on SSDs, but does not improve SSD performance. RAID manufactured
specifically for SSDs will provide both redundancy and improve performance.
RAID controllers work by virtualizing the drives into distinct groups with
specific data protection and redundancy characteristics.
RAID controllers are classified by multiple characteristics including drive
types such as SATA or SAS, the number of ports and number of
drives it can support, specific RAID levels, interface architecture, and how
much memory exists in native cache. For example, this means that a
controller manufactured for a SATA environment will not work on a
SAS array, and that a RAID 1
RAID controllers are not storage controllers. Storage controllers presents
active disks to the OS, while the RAID controller acts as a RAM
cache and provides RAID functionality. The number and identity of RAID
disks depends on a RAID controller’s configuration.
As I finish up this week discussion I went on google and search for
raid controller but when I was looking on the previous types I didn't
like the function nether didn't I trust the maker so I search and find
a better type and the hardware I choose to purchase is a Systor 1 to
1 SATA 90MB/S HDD SSD Duplicator/Sanitizer - 3.5" & 2.5" Hard
Disk Drive / Solid State Drive Dual Port Hot Swap (SYS101HS-DP)
This come fully complete and easy to use and the unit that can clone
a 3.5" and 2.5" hard drive to multiple hard disks alternately in a single
touch of a button.
Systor HDD Duplicators are also DoD compliant when it comes to
sanitizing / erasing data in the hard drive, this feature has been added
to ensure that there are no trace of content left behind and for the
consumers security and peace of mind. The device got a 3 years labor
and 1 year warranty and the total cost for purchase is $260. I
personally think for me to install this device it would probably take me
up to 5 to 6 hours because of breaking down and installing which I
got small amount of experience.
So I read up on RAID and decided that I would purchase the RAID
10. But if it came down to having a budget or being limited on
funds I would go with the RAID 5. The RAID 5 being the more
economical choice, it will perform well. The only difference is it does
not mirror the information but the other disc can recreate the information
using parity. So I found a reasonably priced one on google shopping
for about $65 and can run up to about $300. The install time is what
might take time since usually the part is functional already and would
require minimal configuration unless you want to customize the
configuration. I chose the RAID 5 controller since it was the most
economical and being that I would consider myself a beginner. It seemed
more install friendly to me being that is practically functional as soon
as it is installed. If I was more at an advance level I would definitely
have opted for the RAID 10 controller. RAID stands for Redundant Array
of Independent Disks, which is basically combining the use of multiple
disk drives for better performance. RAID is a bit more complicated than
I would have thought, there are a few different raid levels; 0, 1, 5,
6 and 10. The video I chose was Linus Tech explaining the 3 most
simple levels of raid, 0, 1 and 10. What you are trying to accomplish
with your memory system setup is the most important factor in figuring
out which level of RAID you want to implement. Raid 0 is striping,
you will be sacrificing reliability for speed. You will be using 2 or
more drives striped together, which can mean you will keep maximum
memory capacity, the drives are striped together for speed meaning if
you loose one drive the others will fail as well. Raid 1 is safety and
reliability, while connected with the other drives you will still only have
the capacity and performance of only 1 of your drives. The great thing
about raid 1 is if a drive were to fail, the data will still be saved
on the other drives. Raid 10 rather than be “10” is a combination of
both RAID 1 and 0 hence RAID 10. Raid 10 you will have 2 sets
of striped drives that are also mirrored them against each other. Level
10 does have the con of having less storage than you're purchasing for
the trade-off of data safety. Since I will be using 4 hard drives, 2
HDDs will write the same data as each other, but not the same data
as the other 2 HDDs, so you will have an effective storage capacity
of 12TB.
My Raid configuration that I have put together will only cost $765, and
it would only take a short amount of time to physically install in the
system, and it should only take 10 minutes to setup raid.
I chose my Raid controller because of its 512MB cache, and it's on
board battery to protect the cache, which is very vital to the Raid setup.
I decided I would buy a RAID controller that supports RAID 10. I
chose RAID 10 because it provides better performance and is a
combination of RAID 1 and RAID 0. It provides fault tolerance and
disk mirroring. With RAID 10, data is striped across disks. When one
of the disks gets an error or begins to fail, data is automatically
recreated from the distributed data block. A benefit to RAID 10 allows
drives to be hot-swappable with no interruption to users in the case a
drive fails, and you need to replace it. Because data can be rebuilt to
new disks as failing disks are replaced, it is a good solution for fault
tolerance. It is the RAID level of choice for operations that require fault
tolerance and high disk speeds.In order to configure RAID 10 I would
need to make the decision of using a hardware or software RAID
solution. I chose hardware because it offers better performance and
flexibility. The hardware I chose is Vantech, it adds 4 extra SATA ports
and supports PCIe x4. The cost of this controller is $59.99 on Ebay.
In addition to the controller I would purchase 4 identical hard drives in
order to maintain data integrity and not run into errors when setting up
RAID. Dealing with RAID issues is just like dealing with a single hard
drive issue, except that you have more parts that make up the single
storage unit. If your RAID array isn’t found or stops working, try to
narrow down the issue. Is it one disk that’s failed, or is the whole
system down, indicating a problem with a controller or the software?
Along with external enclosures, which require a separate connection to the
computer, most external RAID systems have status indicators and
troubleshooting utilities to help you identify problems. Definitely use those
to your advantage. I chose to go with the LSI 9212 it says it is
compatible with all major OS systems and has the SMART error
detection built into it. The raid controller is also the PCIE 2.0 X 4
and will fit the current open slot on the motherboard. The controllers
offer RAIDS from 0, 1, and 10 this gives an option to do many
different RAIDS. The controllers also offer hot spare support so a
component can be replaced and not shutdown the system while doing so.
To have the most redundancy of the setup you can run RAID 10 but
the downside you would need to have two extra hard drives just for
mirroring but this controller has 4 SATA ports and the case has