A redundant array of inexpensive disks raid allows high levels of storage reliability. You should be aware that theres hardware raid and then theres hardware raid. Heres the script i wrote to set up system disk mirroring using svm. As always, we offer our maintenance well beyond the end of life period. Software raid is a type of raid implementation that utilizes operating systembased capabilities to construct and deliver raid services. Under a software volume, each device has its own entry in the virtual device tree, and readwrite operations. This is a method of improving the performance and reliability of your storage media by using multiple drives. Gpl is a fine series of licenses, but the owners of the software need it to be distributed under these terms. May 30, 2015 i did a lot of reading on this and kind of conclude software and the fake hardware aka bios raid on my chipset are not really useful.
And here, i brief the task list of configuration hardware raid. Other than that, youll get more from your money by throwing it into a fire. Refurbished server products, sun microsystems server. You can easily move disks from a failed enclosure to a new one, and all your data is preserved.
Ssds in raid 10 are so ridiculously fast the only benefit to hardware raid may be bbu cache. The question of software vs hardware raid in a device like this is an oversimplification. Creation of a hardware raid via raidctl with s10u8 fails to create a valid. This technology is incorporated into both the hardware and software of the sun fire v445 server. To understand hardware raid arrays, you need to know about how a raid stores its data on each drive.
After format and label the disk, still not able to detect u the unix and linux forums. With cheaper hardware raid you can also lose data if theres a power outage. If you need a sun oracle maintenance contract for end of life hardware or if you need the latest hardware please contact us via our contact form. Under a software volume, each device has its own entry in.
On the sun fire v445 server, the sas controller supports mirroring and striping using the solaris os raidctl utility. Oracle invests in innovation by designing hardware and software systems that are. The simplest way to identify whether a solution is software or hardware raid is to read the technical specification or data sheet of the raid solution. In previous article, i described the task list of configuration software raid on solaris. Netra 20 netra 20 scsi raid controller dpt pm3755u2b. What is a hardware raid protect your data with a raid array. The sun fire v445 server administration guide is intended for experienced. Heavy processing can cause some pieces of data to be delayed by a small amount of time.
But if you have a hardware raid use that over a software raid. Doing a simple check on a sun fire v445 prior to initial testing. Raid 1 is simply a mirror and the simplicity of the system provides the reliability benefits. Hardware raid offers better reliability compared to software raid. There is also another type of raid that runs directly on your computer through software.
Software vs hardware raid performance and cache usage. These levels have different architecture and provide varying degrees of performance and fault tolerance. Software vs hardware raid here in rhomelab, ive come to realize that there are a lot of stronglyopinionated people out there on the hardware software raid topic. Hardware redundant array of inexpensive disks raid and software raid are two main ways for setting up raid system. Under software raid, that configuration is performed in the. Configuring and labeling a hardware raid volume for use in the solaris. Here is the latest updated list for end of life hardware from sun and oracle. So why can you not move arrays between software and hardware hosts with other raid type, is it to do with the parity algorithms. Shop refurbished sun microsystems server, tower server from abu dhabi, ajman. Find answers to sunfire v440, v445 or t2000 use as storage appliance or other cool use from the expert community at experts exchange. Ive been hoping other people would post with some experience, because im in the middle of a decision and am leaning toward software but just basically fear the unknown.
Windows software raid vs hardware raid ars technica. Hardware raids are more smb friendly than software raids. Sun, rsf1ha software maintenance for rsf1 high availability. Sun microsystems sun fire v445 administration manual. Apr 28, 2017 raid will protect you against hardware failure, but you should still be using backup software to protect you aginst file corruption, file deletion and virusransomware. What is a hardware raid protect your data with a raid. Sun does not officially sponsor, approve, or endorse this site or its content.
Hardware raid vs software raid windows 7 help forums. Hardware raid also has a number of spare drive features like the ability to assign a hot spare to a specific volume, in addition to supporting globally available hot spares, thus adding another layer of data availability. Creating a hardware disk mirror oracle help center. The sun fire v445 server is a highperformance, shared memory, symmetric multiprocessing server that supports up to four ultrasparc iiii processors and uses the fire asic pcie northbridge along with pcix and pcie expansion slots. Sun fire v445 server sun fire v480 servers and upgrades sun fire v490 server. Windows server 2003 enterprise infrastructure software. Because a file system contains the cisco software, you would perform a file system. Having given both a fair go in various flavors over the years, i have come to generally prefer one over the other, and for my own reasons. About raid levels and the hardware raid pci card the hardware raid pci card supports three different raid levelsraid 0, 1, and 5. A software raid can also be affected if the host computer is heavily loaded. Removing and replacing hard disk drives on sun server. Sun microsystems sun fire v445 administration manual pdf.
Software raid hardware raid import raid configurations from different servers or raid controllers no yes. Note this chapter does not provide instructions for installing or removing hardware components. Designed from the ground up to facilitate system management, the sun fire x4100. So like software raid, hardware raid might not be identified as such at first glance. Jun, 2016 comparing hardware raid vs software raid setups deals with how the storage drives in a raid array connect to the motherboard in a server or pc, and the management of those drives. A software raid can be prone to data corruption, due to the fault of the raid software or driver that is being used. What are the differences between the different raid levels. An external raid system moves all raid handling intelligence into a controller located in the external disk subsystem. Sun oracle end of life hardwarewartung wartung ihrer it. Raid stands for redundant array of inexpensive disks. If you are using software raid, try to boot from the other side of the mirror. The hardwarebased array manages the raid subsystem independently from the host and presents to the host only a single disk per raid array. Jul 07, 2009 a redundant array of inexpensive disks raid allows high levels of storage reliability.
For many, many months i was unconvinced that hardware raid could be so much better, however, after exhaustive research on linux software raid, testing and tuning, those were my results. Chapter 9 support for raid storage configurations by attaching one or more external storage devices to the sun fire v445 server, you can use a redundant array of independent disks raid software application such as solstice disksuite to configure system disk storage in a. For hardware raid, that cpu can be in a disk array or in a raid controller. Whether or not youre looking to set up your own server, optimize the performance of your data storage solution, or just make sure youre protected as best you can be against data loss, a raid solution is going to come in handy. May 24, 2005 scott lowe responds to a techrepublic discussion and one members raid dilemma. Sun 3714982 6gbps sas2 raid pci battery module, bbu08 sun part sun 5407765 1. Understanding the differences in raid levels will help you set up. The w7 software raid doesnt seem to notify the user when a disk fails. Sun oracle end of life hardware maintenance maintenance.
Hardware raid presents logical disks that are already configured to the system or the san, mirrored and ready to go. Difference between hardware raid and software raid. Following is the hardware raid outpu the unix and linux forums. I cant read, its raid 1, which a hardware raid will still be largely useless for. It is used to improve disk io performance and reliability of your server or workstation. Sun cluster software 22 sun management center software 23 2. Here are some tips on raid levels and some feedback on the software vs. Solved using both hardware and software raid together. A raid can be deployed using both software and hardware.
Sun java enterprise system software, and sun cluster 3. Sparc m104 fujitsu server sparc m104s sparc t71 sparc t72. Here in rhomelab, ive come to realize that there are a lot of stronglyopinionated people out there on the hardwaresoftware raid topic. Creation of a hardware raid via raidctl with s10u8 fails to create a valid vtoc and disk label.
Furthermore modern operating systems offer the possibility to create softwarebased raid redundant array of independent disks with minimal overhead associated to that task. This software is owned by the university of california, irvine, and is not distributed under any version of the gpl. The mirrored then striped array is also known as raid 10. For software raid i used the linux kernel software raid functionality of a system running 64bit fedora 9. Sunfire v440, v445 or t2000 use as storage appliance or other. Raid por hardware, raid por software softraid y raid. With software raid your data can be split across different enclosures for complete redundancy one can completely stop working and your data is still ok. Implementing hardware raid is a lot more difficult than its software counterpart, but once you get it up and running, it can provide you with high performance when compared to a software raid or single disk setup. Hardware raid 0, 1, and 10 front and rear power and fault led indicators. The sun fire v445 features hotplug, frontaccessible disk drives, redundant power supplies, and cooling fan trays to enhance serviceability and reliability. Powered by up to two singleor dualcore amd opteron processors, the sun fire x4100 server comes preinstalled with the solaris operating system and sun java enterprise system software. Hardware raid adapters are available which offers improved performance by offloading the task of creating and managing and disk array from the operating systems. On the sun fire v445 server, the sas controller supports mirroring and striping using the solaris os raidctl utility a hardware raid volume created under the raidctl utility behaves slightly differently than one created using volume management software. In a hardware raid setup, the drives connect to a special raid controller inserted in a fast pciexpress pcie.
An example of a hardware raid device would be one that connects to a scsi controller and presents the raid arrays as a single scsi drive. Sunfire v440, v445 or t2000 use as storage appliance or. Trusted hardware supplier to australian businesses. Vibrant buys and sells sun netra servers, upgrades and parts at deep. A brief history of raid raid has been around since 1970s 1989 berkeley paper was a taxonomy 1989 witnessed the first raid5 in software 1990s saw many hardware raid3, 5s lsi, 3ware, maxstrat, highpoint, intel 1990s also saw the introduction of raidframe mdraid came along in 2001. A hardware raid volume created under the raidctl utility behaves slightly differently than one created using volume management software. The sun fire v445 is a great choice for web infrastructure computing, corporate compute farms, hosting, and customapplication deployment. Some hardware raid cards actually do very little raid processing in the card, and use custom drivers to do the raid calculations in software, using the systems regular processor. Comparing hardware raid vs software raid setups deals with how the storage drives in a raid array connect to the motherboard in a server or pc, and the management of those drives. A brief history of raid raid has been around since 1970s 1989 berkeley paper was a taxonomy 1989 witnessed the first raid5 in software 1990s saw many hardware raid3, 5s lsi, 3ware, maxstrat, highpoint, intel. Dec 21, 2005 for hardware raid, that cpu can be in a disk array or in a raid controller. Sun fire x4450 hardware questionadaptec raid controller. Configuring and labeling a hardware raid volume for use in the solaris operating system 129 deleting a hardware disk mirror 2.
Through raid technology, volume management software is able to provide high. Sun microsystems sun fire v445 server administration manual. An endofservicelife announcement can spell trouble for it managers. At the heart of the predictive selfhealing capabilities is the solaris fault manager, a service that receives data relating to hardware and software errors, and automatically and silently diagnoses the underlying problem. When sun oracle decides it will no longer support its storage, server, or network hardware, it teams are left scrambling trying to figure out what they can do to deal with the problem without breaking the budget. Couple of years ago i had configured and mirrored the boot drive with an other drive using hardware raid 1 using raidctl command. That would be the case with any raid 1, not limited to software or hardware.
Scott lowe responds to a techrepublic discussion and one members raid dilemma. For instructions on preparing the system for servicing and procedures to install and remove the server components described in this chapter, refer to the sun fire v445 server service manual. It includes general descriptive information about the sun firetm v445 server and detailed instructions for configuring and ad sun fire v445 server administration guide. Sun 375353602 storagetek r50 8 port sas pcie server raid. The drives are configured, so that the data is either divided between disks to distribute load, or duplicated to ensure that it can be recovered once a disk fails. Today, raid is found everywherefrom operating system software features to standalone controllers providing advanced data integrity in highend storage area. But the real question is whether you should use a hardware raid solution or a software raid solution.
Sun 3711490 sun v445 pcix sas hba controller card sas3090x. I attribute this to the hardware raid optimized cache control. Configuration is still required, but that configuration takes place outside the system. Chapter 9 support for raid storage configurations by attaching one or more external storage devices to the sun fire v445 server, you can use a redundant array of independent disks raid software application such as solstice disksuite to configure system disk storage in a variety of different raid levels. Reducing complexity advanced lights out management alom provides remote management functionality. Sun fire v445 server administration guide oracle help center. At the heart of the predictive selfhealing capabilities is the solaris fault manager, a service that receives data relating to hardware and software errors, and automatically and silently. This site is independently run and in no way represents sun microsystems, inc.663 170 1493 981 1042 915 465 1309 581 438 904 1323 281 108 106 829 1559 188 1241 954 34 332 356 959 428 1556 402 266 777 946 393 75 295 156 1057 760 253 1014 288 1076 624 963 1283 151 670 1333 1082