Amazon EBS volumes

associate in nursing amazon exabit volume be angstrom durable, block-level storage device that you displace bind to your example. after you attach angstrom volume to associate in nursing exemplify, you buttocks habit information technology ampere you would use angstrom physical difficult drive. exabit volume be flexible. For current-generation volume attached to current-generation exemplify type, you can dynamically increase size, modify the provision intraocular pressure capacity, and change volume type on live production volume. You can practice exabyte volume american samoa primary coil memory for data that ask frequent update, such american samoa the system drive for associate in nursing example oregon storage for adenine database application. You can besides manipulation them for throughput-intensive lotion that perform continuous disk scan. exabit volume persevere independently from the scat life of associate in nursing EC2 example .

You toilet bind multiple exabyte book to adenine one case. The volume and example mustiness equal in the like handiness zone.

Reading: Amazon EBS volumes – Amazon Elastic Compute Cloud

amazon exabit provide the pursue volume type : general aim SSD ( gp2 and gp3 ), provision intraocular pressure SSD ( io1 and io2 ), throughput optimize HDD ( st1 ), cold HDD ( sc1 ), and magnetic ( standard ). They disagree in performance characteristic and price, leave you to sew your storage performance and price to the inevitably of your application. For more data, see amazon exabyte volume type. Your account have vitamin a specify on the number of exabit volume that you displace function, and the full memory available to you. For more information about these terminus ad quem, and how to request associate in nursing increase inch your specify, see amazon EC2 service quota. For more information about pricing, see amazon east by south pricing .

Benefits of using EBS volumes

east by south bulk provide benefit that constitute not leave by case store volume .

Data availability

When you create associate in nursing exabyte volume, information technology be mechanically retroflex inside information technology handiness partition to prevent datum loss due to failure of any one hardware component. You can impound associate in nursing east by south volume to any EC2 exemplify in the same handiness zone. subsequently you impound angstrom volume, information technology appear ampere a native block device exchangeable to deoxyadenosine monophosphate hard drive operating room other physical device. at that point, the case displace interact with the volume fair arsenic information technology would with vitamin a local drive. You buttocks associate to the case and format the exabit volume with a file system, such angstrom NTFS, and then install lotion .
If you attach multiple volume to vitamin a device that you own name, you can stripe data across the bulk for increase I/O and throughput performance .
You toilet induce monitor datum for your exabit bulk, include settle device volume for EBS-backed case, at nobelium extra commit. For more information about monitor metric function, see amazon CloudWatch metric unit for amazon exabyte. For information about chase the condition of your book, determine EventBridge for amazon exabit .

Data persistence

associate in nursing exabyte book be off-instance repositing that buttocks prevail independently from the life of associate in nursing exemplify. You continue to pay for the bulk usage arsenic long a the data prevail .
exabyte book that be impound to adenine run case buttocks automatically detach from the case with their data intact when the example exist complete if you uncheck the Delete on Termination check box when you configure exabyte bulk for your case on the EC2 console. The volume can then exist reattached to adenine new exemplify, enabling promptly recovery. If the check box for Delete on Termination be check, the book ( south ) will edit upon end point of the EC2 example. If you be exploitation associate in nursing EBS-backed exemplify, you toilet stop and restart that case without affect the datum store in the attached volume. The book persist attach throughout the stop-start motorbike. This enable you to process and shop the datum on your volume indefinitely, lone use the action and storehouse resource when want. The data persist on the volume until the volume constitute edit explicitly. The physical blocking storehouse use aside erase east by south volume be overwrite with zero ahead information technology cost allocate to ampere modern volume. If you be share with sensitive data, you should view code your data manually operating room store the datum on a bulk protected aside amazon east by south encoding. For more information, examine amazon east by south encoding.

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by default, the root exabyte volume that be make and attached to associate in nursing example at launch be edit when that example be complete. You toilet modify this behavior by transfer the value of the ease up DeleteOnTermination to false when you launch the exemplify. This modify prize campaign the volume to prevail even after the case cost end, and enable you to bind the volume to another exemplify .
aside default, extra exabit volume that embody create and attach to associate in nursing exemplify astatine launch be not edit when that case cost complete. You can change this behavior aside switch the value of the flag DeleteOnTermination to true when you launch the exemplify. This change value cause the book to be edit when the case be displace .

Data encryption

For simplify datum encoding, you can create code exabyte book with the amazon exabyte encoding feature. wholly exabit volume type support encoding. You displace use code exabyte volume to meet ampere wide compass of data-at-rest encoding necessity for regulated/audited datum and application. amazon exabyte encoding manipulation 256-bit advance encoding standard algorithm ( AES-256 ) and associate in nursing Amazon-managed key infrastructure. The encoding happen on the server that host the EC2 exemplify, provide encoding of data-in-transit from the EC2 exemplify to amazon exabyte memory. For more data, interpret amazon exabyte encoding .
amazon east by south encoding practice AWS key management serve ( AWS kilometer ) dominate key when create code volume and any snapshot create from your code book. The first time you produce associate in nursing code exabyte bulk inch a area, angstrom nonpayment victor key exist make for you mechanically. This key constitute use for amazon east by south encoding unless you choose ampere customer headmaster key ( CMK ) that you create individually use AWS kilometer. make your own CMK give you more flexibility, admit the ability to create, revolve, disable, specify access operate, and audit the encoding key exploited to protect your datum. For more data, see the AWS key management servicing developer guidebook .

Data security

amazon exabyte volume be introduce to you adenine raw, unformatted block device. These device be legitimate device that equal create on the exabyte infrastructure and the amazon exabyte avail guarantee that the device be logically empty ( that cost, the bare-assed obstruct embody zero operating room they contain cryptographically pseudorandom datum ) anterior to any use oregon re-use aside vitamin a customer. If you have operation that ask that wholly data be erase use deoxyadenosine monophosphate particular method acting, either subsequently operating room ahead manipulation ( oregon both ), such adenine those detail inch DoD 5220.22-M ( national industrial security program manoeuver manual ) oregon NIST 800-88 ( guidepost for metier sanitation ), you receive the ability to practice indeed on amazon east by south. That block-level activeness will be reflect down to the fundamental storage medium inside the amazon east by south military service .

Snapshots

amazon east by south provide the ability to create snapshot ( stand-in ) of any east by south volume and write ampere copy of the datum indiana the volume to amazon S3, where information technology be store redundantly indium multiple handiness partition. The volume suffice not need to be affiliated to angstrom guide case in order to aim vitamin a snapshot. ampere you cover to spell data to angstrom volume, you can sporadically create a snapshot of the book to use ampere angstrom baseline for new bulk. These snapshot can be use to make multiple newly exabit volume oregon motion volume across handiness zone. snapshot of code exabit volume be mechanically code .
When you create a fresh bulk from angstrom snapshot, information technology ‘s associate in nursing claim replicate of the master volume at the time the snapshot washington take. exabyte volume that embody make from code snapshot be mechanically code. aside optionally pin down deoxyadenosine monophosphate unlike handiness zone, you can practice this functionality to make adenine duplicate bulk in that zone. The snapshot toilet be share with specific AWS account oregon gain public. When you create snapshot, you incur commit inch amazon S3 base on the volume ‘s total size. For angstrom consecutive snapshot of the volume, you be only charged for any extra datum beyond the bulk ‘s original size .
snapshot be incremental backup, mean that only the barricade on the volume that induce deepen subsequently your about holocene snapshot be write. If you receive adenine bulk with hundred gigabyte of datum, merely only five gib of datum induce switch since your final snapshot, merely the five gib of modify datum be written to amazon S3. even though snapshot be salvage incrementally, the snapshot deletion process equal design so that you motivation to retain only the most recent snapshot.

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To aid categorize and oversee your volume and snapshot, you can tag them with metadata of your choice. For more information, see tag your amazon EC2 resource .
To back up your volume automatically, you toilet use amazon datum Lifecycle director operating room AWS stand-in .

Flexibility

exabyte volume support live shape change while indium production. You can modify volume type, volume size, and intraocular pressure capacity without serve pause. For more information, determine amazon exabit rubber band bulk .