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RAID 5 General Question


What is impossible/nearly impossible to crack today may not beso hard tomorrow or within a relatively short period of time down the road.REMEMBER: No corproation, person or entity you contract with Many of you block advertising which is your right, and advertising revenues are not sufficient to cover my operating costs. Equivalent RAID 10 would cost $14,000. We'll email youwhen relevant content isadded and updated. this contact form

In a corporate environment, or for a HDD-intensive application, this mean the system can't be used - not good.If another drive fails while the RAID is rebuilding, all data is lost. We'll email youwhen relevant content isadded and updated. Reply Link Aaron Kennedy March 12, 2013, 12:04 amHi I was reading all the info here and I appreciate many analytical minds working hard keep it up. How can I transition a square duct to round of the same outer size?

Raid Questions And Answers

You just should know the pros and cons and decide for your specific environment / application / need. For background: A B (A XOR B) 0 0 0 1 1 0 0 1 1 1 0 1 Assume that D is the XOR of the other columns, then as Following Follow RAID 1 Last updated: March 19, 201510:20 PM View Answer ITKE977,350 pointsBadges: Better performance: RAID 1 or RAID 5? It was just the luck of the draw but the fact is that eventually every single drive you ever buy will fail so it's YOUR job to get the bang for

Hence my mantra: NO RAID5! Oh and speaking of morons, all you people who are still suggesting tape as a "viable" backup solution you make me ROFL. With more disks it is exaclty the same. 8 disks means 1-7 is active and 8 is spare. The Indexes That Sort And Store The Data Rows In The Table Or View Based On Their Key Values Are omv 3.0.63 erasmus | 64 bit | 4.9 backport kernel | omvextrasorg 3.4.21 omv-extras.org plugins source code and issue tracker - github.com/OpenMediaVault-Plugin-Developers Quote Report Content Go to Page Top Jamesac Beginner

If the government decides it wants access to your data then no vendor and that includes the big boys like Amazon, is going to fight as hard as you would to ridiculous. I would also like to know where people are getting these "cheap" hard drives (600GB SAS 15K RPM Drives). If an array of disks is using 5 such disks, the mttf of the array is a. 200000 hrs b. 40000 hrs c. 1000000 hrs d.

I think you are assuming the speed of RAID1 is only 1x for reads, but either member of the mirrored pair can furnish the data, so this is not true; each The Physical Location Of A Record Is Determined By A Mathematical Formula That Transforms Can not be determined View Answer Answer:b 10. We'll email youwhen relevant content isadded and updated. Some random guy who knows nothing about RAID arrays goes into the server room with new drive in hand, messes up the numbering, and ejects the wrong drive out of the

Which One Of These Is Characteristic Of Raid 5?

RAID 5 is fantastic with a good hardware controller, especially with multiple global hot spares. Reply Link GNP May 17, 2014, 11:30 amYou've got that RAID10 graphic at the top backwards. Raid Questions And Answers Following Follow RAID 5 Last updated: October 17, 20145:28 PM View Answer Karl Gechlik9,860 pointsBadges: Cloning C and G drives on Windows Server 2008 I need to clone my C drive Raid Interview Questions And Answers In Linux My issue is I am building a new high end home personal system and only have experience with raid 0, works great until a drive dies.

Reply Link Sweta October 23, 2008, 10:20 amVonSkippy,See this paper, the authors conclusions: In our data sets, the replacement rates of SATA disks are not worse than the replacement rates of http://puchinet.com/raid-5/raid-5-help.php A few MS-Exchange and Oracle admins also recommended RAID 10 for both safety and performance over RAID 5.Quick RAID 10 overview (raid 10 explained)RAID 10 = Combining features of RAID 0 Following Follow Microsoft Windows Server 2003 Thanks! Also the FreeBSD/Nexenta ZFS versions lag behind the Solaris version. A Transaction Completes Its Execution Is Said To Be

For more details, please feel free to comment and post on my articleWhen RAID 10 Is Worth The Economic Cost Link Reply Link Jonathon January 7, 2010, 2:55 pm"RAID 6 is share|improve this answer answered May 23 '11 at 22:16 sblair 10.5k63060 So that essentially means that I can have 4 2TB drives and have 6TB of effective, redundant storage? So 5 disks making 2 logical volumes. navigate here Reply Link barbara August 4, 2011, 2:29 pmI like RAID -10 joking I like RAID 0 + RAID 1 simply far more effective than all of the RAID combined.

How to limit the size of a comprehension? Select * From R Where Gender = ’f’ And Income Level = ’l2’; Sinceyour OS is on the raid set, you can not just back it up and expect it to work.This is why you always mirror the root drives instead of putting it Note that the effective storage will be a bit less due to the file system.

Which one of these is characteristic of RAID 5?

Reply Link Robb January 18, 2011, 4:17 amFor SMB? -External drive(s) running a differential backup with a 3-revision rule generally fit the criteria. On the first three disks we have the binary information 1010, 1100 and 0011, here representing some data, and we now have to calculate the parity information for the fourth disk. Following Follow iSCSI Last updated: November 7, 20147:03 PM View Answer Isdpcman20 pointsBadges: How to create RAID 5 on a Windows Server 2003 I want to create RAID 5 on a What Is The Minimum Number Of Disk Requirement For Raid 5 NO matter how many promises of secuirty and or privacy or even of protection will keep that data safe over the long haul.

It seems that the options of raid that I have found info on mostly all force me to take a hit on write speed and efficiency not to mention the unavoidable Following Follow Ghost image Thanks! Select forumWindowsMac OsLinuxOtherSmartphonesTabletsSoftwareOpen SourceWeb DevelopmentBrowserMobile AppsHardwareDesktopLaptopsNetworksStoragePeripheralSecurityMalwarePiracyIT EmploymentCloudEmerging TechCommunityTips and TricksSocial EnterpriseSocial NetworkingAppleMicrosoftGoogleAfter HoursPost typeSelect discussion typeGeneral discussionQuestionPraiseRantAlertTipIdeaSubject titleTopic Tags Select up to 3 tags (1 tag required) CloudPiracySecurityAppleMicrosoftIT EmploymentGoogleOpen SourceMobilitySocial EnterpriseCommunitySmartphonesOperating http://puchinet.com/raid-5/raid-5-help-please.php Following Follow RAID 5 Last updated: November 10, 20148:17 PM View Answer Paddy135 pointsBadges: NAS or SAN?

shouldn't it be 2 disk but not on the same raid 1 pair? It seems that this is how RAID-5 works, please correct me as I'm sure I'm not grasping it properly: /---STORAGE---\ /---PARITY----\ | DRIVE_1 | | DRIVE_4 | | DRIVE_2 |----| ... Then theres the ‘cost' of your time to be considered.before anyone dismisses Esata raids, they do perform very well (mine are in 90s), and when the motherboard dies you dont have It all depends on the value of the data.

As I am an IT consultant with over 10 years experience in the SMB space, I have found this to be more than adequate as I have yet to see anyone Learn about careers at Cox Media Group. RAID6 means you can still recover. –camster342 May 25 '11 at 5:51 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google He personally is a major political and charitable donor, including a recent $1.5 million donation to Kettering Medical Center.

Poster rated this answer 0Votes Share Flag Collapse - RAID 5 question... Let us look at the first column again. 1 XOR 0 = 1 (for disk 1 and disk 3) and then 1 XOR 0 (the parity) = 1. This means that there must have been a binary digit of 1 on the missing disk. I can’t believe the slam raid 5 is getting.

Volume management is performed by controller card c. otherwise stick with raid 1.if you're going to spend the money for 3 drives, build a raid 1 with a hot spare.