{"id":3206,"date":"2019-09-02T11:10:37","date_gmt":"2019-09-02T11:10:37","guid":{"rendered":"https:\/\/www.testpreptraining.com\/tutorial\/?page_id=3206"},"modified":"2020-05-02T05:07:18","modified_gmt":"2020-05-02T05:07:18","slug":"ebs-raid-configurations-2","status":"publish","type":"page","link":"https:\/\/www.testpreptraining.ai\/tutorial\/aws-certified-solutions-architect-professional-sap-c01\/ebs-raid-configurations-2\/","title":{"rendered":"EBS Raid Configurations"},"content":{"rendered":"\n<h3><strong>Overview of EBS Raid Configurations<\/strong><\/h3>\r\n<p>We shall now be giving details about EBS Raid Configurations and different types of the raid.<\/p>\r\n<ul class=\"wp-block-list\">\r\n<li>A RAID set is a group of disks (2 to 18+) to appear to operating system as a Volume<\/li>\r\n<li>RAID is done for\r\n<ul>\r\n<li>faster I\/O<\/li>\r\n<\/ul>\r\n<ul>\r\n<li>a larger volume<\/li>\r\n<\/ul>\r\n<ul>\r\n<li>increased fault tolerance<\/li>\r\n<\/ul>\r\n<\/li>\r\n<li>In EC2 only mirrored or striped RAID sets are available<\/li>\r\n<li>Get reads and writes in parallel by spreading data amongst disks<\/li>\r\n<li>EBS volume data is replicated across multiple servers in an AZ<\/li>\r\n<li>It prevents loss of data from failure of any single component.<\/li>\r\n<li>Use EBS multi-volume snapshots to back up data of EBS volumes in RAID<\/li>\r\n<li>RAID 0\r\n<ul>\r\n<li>When I\/O performance is crucial than fault tolerance<\/li>\r\n<\/ul>\r\n<ul>\r\n<li>I\/O is distributed across volumes in a stripe. If you add volume, results in more throughput.<\/li>\r\n<\/ul>\r\n<ul>\r\n<li>Performance is limited to worst performing volume in set<\/li>\r\n<\/ul>\r\n<ul>\r\n<li>Loss of a single volume results in a complete data loss for the array.<\/li>\r\n<\/ul>\r\n<ul>\r\n<li>Size of array is sum of sizes of volumes within it<\/li>\r\n<\/ul>\r\n<ul>\r\n<li>Bandwidth is sum of available bandwidth of volumes within it<\/li>\r\n<\/ul>\r\n<ul>\r\n<li>two 500 GiB EBS io1 volumes with 4,000 provisioned IOPS will result 1000 GiB RAID 0 array with bandwidth of 8,000 IOPS and 1,000 MiB\/s of throughput<\/li>\r\n<\/ul>\r\n<\/li>\r\n<li>RAID 1\r\n<ul>\r\n<li>When fault tolerance is critical<\/li>\r\n<\/ul>\r\n<ul>\r\n<li>No write performance improvement<\/li>\r\n<\/ul>\r\n<ul>\r\n<li>Needs more EC2 to EBS bandwidth as data is written to multiple volumes simultaneously.<\/li>\r\n<\/ul>\r\n<ul>\r\n<li>Size and bandwidth equals to size and bandwidth of volumes in array<\/li>\r\n<\/ul>\r\n<ul>\r\n<li>two 500 GiB EBS io1 volumes with 4,000 provisioned IOPS will result 500 GiB RAID 1 array with bandwidth of 4,000 IOPS and 500 MiB\/s of throughput.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<li>RAID 5 and RAID 6 are not recommended for EBS due to parity write operations<\/li>\r\n<li>RAID 0 array gives higher performance for file system against single EBS volume.<\/li>\r\n<li>RAID 1 array offers a &#8220;mirror&#8221; of data for extra redundancy.<\/li>\r\n<li>Decide before, RAID array size and IOPS to provision for.<\/li>\r\n<\/ul>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"314\" height=\"167\" src=\"https:\/\/www.testpreptraining.ai\/tutorial\/wp-content\/uploads\/2019\/09\/image-52.png\" alt=\"\" class=\"wp-image-3415\"\/><\/figure><\/div>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"254\" height=\"228\" src=\"https:\/\/www.testpreptraining.ai\/tutorial\/wp-content\/uploads\/2019\/09\/image-53.png\" alt=\"\" class=\"wp-image-3416\"\/><\/figure><\/div>\n\n\n\n<p><strong>Become <a href=\"https:\/\/www.testpreptraining.ai\/aws-certified-solutions-architect-associate-free-practice-test\">AWS Certified Solutions Architect Associate<\/a> with hundreds of real-time exam questions and 100% pass guarantee. Try Free Test Now!<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview of EBS Raid Configurations We shall now be giving details about EBS Raid Configurations and different types of the raid. A RAID set is a group of disks (2 to 18+) to appear to operating system as a Volume RAID is done for faster I\/O a larger volume increased fault tolerance In EC2 only&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":2471,"menu_order":34,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"categories":[2],"tags":[7,494],"class_list":["post-3206","page","type-page","status-publish","hentry","category-amazon-aws","tag-aws","tag-ebs-raid-configurations"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>EBS Raid Configurations - Testprep Training Tutorials<\/title>\n<meta name=\"description\" content=\"Upgrade your profile to become a AWS Certified Solutions Architect Associate with hundreds of practice test. 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