{"id":53098,"date":"2019-11-23T00:00:00","date_gmt":"2019-11-22T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/operatsiya-migratsiya-kak-proishodit-pereezd-v-oblako-dataline"},"modified":"2020-02-18T14:00:57","modified_gmt":"2020-02-18T11:00:57","slug":"operatsiya-migratsiya-kak-proishodit-pereezd-v-oblako-dataline","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/administrirovanie\/operatsiya-migratsiya-kak-proishodit-pereezd-v-oblako-dataline","title":{"rendered":"M\u0171velet \u2018Migr\u00e1ci\u00f3\u2019: hogyan t\u00f6rt\u00e9nik az \u00e1t\u00e1ll\u00e1s a DataLine felh\u0151j\u00e9be","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

K\u00f6r\u00fclbel\u00fcl 7 \u00e9vvel ezel\u0151tt a legels\u0151 projektek egyszer\u0171en \u00e9s probl\u00e9mamentesen k\u00f6lt\u00f6ztek a felh\u0151nkbe. A virtu\u00e1lis g\u00e9pek k\u00e9pei FTP-szerverre lettek felt\u00f6ltve, vagy merevlemezeken hozt\u00e1k \u0151ket. Ezut\u00e1n egy k\u00fcl\u00f6n import szerver seg\u00edts\u00e9g\u00e9vel t\u00f6lt\u00f6tt\u00fck fel a VM-eket a felh\u0151be.<\/p>\n

Ha a kliensnek nem probl\u00e9ma, hogy 1-2 napra le\u00e1ll\u00edtja a virtu\u00e1lis g\u00e9pet (vagy nincs m\u00e1s lehet\u0151s\u00e9ge), akkor ez is megoldhat\u00f3. De ha az \u00e1ll\u00e1sid\u0151 maxim\u00e1lisan egy \u00f3ra lehet, akkor ez a m\u00f3dszer nem megfelel\u0151. Ma arr\u00f3l fogok besz\u00e9lni, hogy milyen eszk\u00f6z\u00f6k seg\u00edthetnek a felh\u0151be val\u00f3 migr\u00e1l\u00e1sban minim\u00e1lis le\u00e1ll\u00e1ssal \u00e9s hogyan zajlik a migr\u00e1ci\u00f3 folyamata n\u00e1lunk.<\/p>\n

\"M\u0171velet
\n<\/a><\/noindex><\/p>\n

Migr\u00e1ci\u00f3 a Veeam Backup \u00e9s Replication seg\u00edts\u00e9g\u00e9vel<\/h3>\n

\nA Veeam Backup \u00e9s Replication ismeretes, mint a biztons\u00e1gi ment\u00e9sek \u00e9s replik\u00e1k k\u00e9sz\u00edt\u00e9s\u00e9re szolg\u00e1l\u00f3 eszk\u00f6z. Ezt haszn\u00e1ljuk arra, hogy migr\u00e1lj a saj\u00e1t helysz\u00edneink k\u00f6z\u00f6tt, \u00e9s hogy a priv\u00e1t virtualiz\u00e1ci\u00f3val rendelkez\u0151 \u00fcgyfeleket \u00e1tk\u00f6lt\u00f6ztess\u00fck a felh\u0151nkbe. Az \u00fcgyf\u00e9l virtu\u00e1lis g\u00e9pei replik\u00e1l\u00f3dnak a vCenter\u00fcnkre, majd az engineer hozz\u00e1adja \u0151ket a vCloud Directorhoz. <\/p>\n

Az els\u0151dleges replik\u00e1ci\u00f3 egy bekapcsolt virtu\u00e1lis g\u00e9pen t\u00f6rt\u00e9nik. Egy el\u0151re egyeztetett id\u0151pontban a kliens oldal\u00e1n le\u00e1ll\u00edtj\u00e1k a g\u00e9pet. A replik\u00e1ci\u00f3 \u00fajraindul, hogy \u00e1tviheti azokat a v\u00e1ltoz\u00e1sokat, amelyek az els\u0151 replik\u00e1ci\u00f3 \u00f3ta t\u00f6rt\u00e9ntek. Ezt k\u00f6vet\u0151en a virtu\u00e1lis g\u00e9p m\u00e1r a felh\u0151nkben indul el. <\/p>\n

\"M\u0171velet
\n
\n\u00c1ltal\u00e1ban a kliens infrastrukt\u00far\u00e1j\u00e1n t\u00f6rt\u00e9n\u0151 le\u00e1ll\u00edt\u00e1st\u00f3l a felh\u0151nkben val\u00f3 ind\u00edt\u00e1sig nem telik el t\u00f6bb mint f\u00e9l \u00f3ra, sokkal ink\u00e1bb 15-20 perc. <\/p>\n

Ily m\u00f3don a kliens helysz\u00edn\u00e9n megmarad az eredeti virtu\u00e1lis g\u00e9p. Ha valami rosszul s\u00fcl el, mindig vissza lehet t\u00e9rni \u00e9s \u00fajra be lehet kapcsolni. Ez a m\u00f3dszer az \u00fcgyf\u00e9l sz\u00e1m\u00e1ra is k\u00e9nyelmes, mivel nem ig\u00e9nyli a Veeam megl\u00e9t\u00e9t.<\/p>\n

1. eset
\nAz \u00fcgyf\u00e9lnek saj\u00e1t VMware alap\u00fa virtu\u00e1lis infrastrukt\u00far\u00e1ja volt \u2013 40 VM, \u00f6sszesen 30 TB-nyi t\u00e1rol\u00e1ssal. Az a hardver, amelyen a klasztert ki\u00e9p\u00edtett\u00e9k, m\u00e1r elavult, \u00e9s az \u00fcgyf\u00e9l \u00fagy d\u00f6nt\u00f6tt, hogy nem k\u00edv\u00e1n \u00faj berendez\u00e9sekbe fektetni, ez\u00e9rt a nyilv\u00e1nos felh\u0151be k\u00f6lt\u00f6zik. Az \u00e9rz\u00e9keny rendszerek le\u00e1ll\u00e1s\u00e1ra vonatkoz\u00f3 k\u00f6vetelm\u00e9ny nem haladhatta meg az egy \u00f3r\u00e1t. A Veeam Replication-re esett a v\u00e1laszt\u00e1s. El\u0151ny volt az is, hogy az \u00fcgyf\u00e9l internetszolg\u00e1ltat\u00f3ja a mi adatk\u00f6zpontunkban jelen volt, ami j\u00f3 kapcsolat ki\u00e9p\u00edt\u00e9s\u00e9t tette lehet\u0151v\u00e9. A migr\u00e1ci\u00f3 k\u00f6r\u00fclbel\u00fcl egy h\u00f3napot vett ig\u00e9nybe, a v\u00e1lt\u00e1s idej\u00e9n a le\u00e1ll\u00e1s legfeljebb 30 perc volt egy virtu\u00e1lis g\u00e9p csoport sz\u00e1m\u00e1ra.<\/i><\/p>\n

Migr\u00e1ci\u00f3 a Veeam Cloud Connect seg\u00edts\u00e9g\u00e9vel<\/h3>\n

\nA Veeam Cloud Connect \u2013 egy eszk\u00f6z, amely seg\u00edt a virtu\u00e1lis g\u00e9pek replik\u00e1l\u00e1s\u00e1nak be\u00e1ll\u00edt\u00e1s\u00e1ban \u00e9s a replik\u00e1k ind\u00edt\u00e1s\u00e1ban a szolg\u00e1ltat\u00f3 felh\u0151j\u00e9ben. Az \u00e9v friss\u00edt\u00e9se ut\u00e1n 2019<\/a><\/noindex> lehet\u0151s\u00e9gg\u00e9 v\u00e1lt, hogy a virtu\u00e1lis g\u00e9peket k\u00f6zvetlen\u00fcl a vCloud Directorba replik\u00e1ljuk. Az egyetlen felt\u00e9tel az, hogy a kliens oldal\u00e1n a Veeam Backup and Replication-nak legal\u00e1bb 9-es verzi\u00f3nak kell lennie. R\u00f6viden (a r\u00e9szletes verzi\u00f3 itt<\/a><\/noindex>), az eg\u00e9sz folyamat a k\u00f6vetkez\u0151k\u00e9ppen zajlik.<\/p>\n

A vCloud Directorban l\u00e9trej\u00f6n egy szervezet a sz\u00fcks\u00e9ges er\u0151forr\u00e1sokkal \u00e9s h\u00e1l\u00f3zatokkal. A Veeam Cloud Connectban l\u00e9trehozzuk a fi\u00f3kot, a kliens csatlakozik hozz\u00e1 a saj\u00e1t Veeam B&R-j\u00e9b\u0151l, kiv\u00e1lasztja a DataLine szolg\u00e1ltat\u00f3t \u00e9s a szervezetet, be\u00e1ll\u00edtja a replik\u00e1l\u00e1si feladatokat. Ezenk\u00edv\u00fcl a migr\u00e1ci\u00f3 egyszer\u0171s\u00e9ge 15\u201320 percen bel\u00fcl lesz, a kliens nem f\u00fcgg a szolg\u00e1ltat\u00f3 t\u00e1mogat\u00e1s\u00e1t\u00f3l, \u00e9s \u00f6n\u00e1ll\u00f3an ir\u00e1ny\u00edtja az eg\u00e9sz folyamatot: l\u00e9trehozza a replik\u00e1l\u00e1si feladatokat, mag\u00e1t a replik\u00e1l\u00e1st, kikapcsolja a g\u00e9peket \u00e9s elind\u00edtja azokat az \u00faj helysz\u00ednen. <\/p>\n

\"M\u0171velet
\n
\n2. eset
\nA kliens infrastrukt\u00far\u00e1ja, ahonnan a migr\u00e1ci\u00f3t terveztek, Beloruszban volt. 90 virtu\u00e1lis g\u00e9pet kellett \u00e1tkonvert\u00e1lni, \u00f6sszesen 27 TB-os mennyis\u00e9gben, mik\u00f6zben az internetkapacit\u00e1s 100 mbit\/sec volt. Ha k\u00e9sz\u00edten\u00e9nk egy biztons\u00e1gi ment\u00e9st, \u00e9s azonnal felt\u00f6lten\u00e9nk a felh\u0151be, akkor n\u00e9h\u00e1ny virtu\u00e1lis g\u00e9p eset\u00e9ben ez t\u00f6bb napot is ig\u00e9nybe vett volna. Ebben az id\u0151szakban a virtu\u00e1lis g\u00e9peken nagy delta keletkezett volna, ami negat\u00edvan befoly\u00e1solta volna a g\u00e9pek teljes\u00edtm\u00e9ny\u00e9t, vagy ami m\u00e9g rosszabb, a t\u00e1rol\u00f3n elfogyott volna a hely. \u00cdgy j\u00e1rtunk el: el\u0151sz\u00f6r a kliens k\u00e9sz\u00edtett egy helyi teljes biztons\u00e1gi ment\u00e9st, \u00e9s \u00e1tkonvert\u00e1lta a m\u00e1solat\u00e1t a felh\u0151nkbe a Veeam Cloud Connect haszn\u00e1lat\u00e1val. Ezut\u00e1n k\u00e9sz\u00edtett \u00e9s tov\u00e1bb\u00edtott egy inkrement\u00e1lis ment\u00e9st a felh\u0151be. Az eredeti virtu\u00e1lis g\u00e9p folytatta a m\u0171k\u00f6d\u00e9st. A VM kikapcsol\u00e1sa ut\u00e1n a kliens k\u00e9sz\u00edtett m\u00e9g egy inkrement\u00e1lis ment\u00e9st, \u00e9s ezt is \u00e1tkonvert\u00e1lta a felh\u0151be. A saj\u00e1t oldalunkon egy virtu\u00e1lis g\u00e9pet ind\u00edtottunk el a teljes ment\u00e9sb\u0151l, majd hozz\u00e1tett\u00fck a k\u00e9t inkrement\u00e1lis ment\u00e9st. Ez a s\u00e9ma v\u00e9g\u00fcl lehet\u0151v\u00e9 tette a le\u00e1ll\u00e1s minimaliz\u00e1l\u00e1s\u00e1t 2 \u00f3r\u00e1ra, amikor \u00e1tt\u00e9rt\u00fcnk a platformunkra. <\/i><\/p>\n

Migr\u00e1l\u00e1s a VMware vCloud Availability seg\u00edts\u00e9g\u00e9vel<\/h3>\n

\n2023 m\u00e1rcius\u00e1ban a VMware kiadta a vCloud Availability 3.0-t, amely lehet\u0151v\u00e9 teszi a virtu\u00e1lis g\u00e9pek migr\u00e1l\u00e1s\u00e1t k\u00fcl\u00f6nb\u00f6z\u0151 felh\u0151k k\u00f6z\u00f6tt (vCloud Director \u2013 vCloud Director), valamint a kliens priv\u00e1t virtualiz\u00e1ci\u00f3s standjair\u00f3l a felh\u0151be (vCenter \u2013 vCloud Director). A f\u0151 el\u0151ny az integr\u00e1ci\u00f3 a vCloud Director fel\u00fclet\u00e9vel. Ez jelent\u0151sen egyszer\u0171s\u00edti a replik\u00e1ci\u00f3 kezel\u00e9s\u00e9t \u00e9s minimaliz\u00e1lja a le\u00e1ll\u00e1sokat az \u00e1tv\u00e1lt\u00e1s sor\u00e1n.<\/p>\n

Ezzel az eszk\u00f6zzel migr\u00e1ltunk egy \u00fcgyfelet moszkvai felh\u0151nkb\u0151l a p\u00e9terv\u00e1ri felh\u0151nkbe. 18 virtu\u00e1lis g\u00e9pet kellett sz\u00e1ll\u00edtanunk, \u00f6sszesen 14 TB kapacit\u00e1ssal. Az \u00fcgyf\u00e9l sz\u00e1m\u00e1ra l\u00e9trehoztunk egy szervezetet a p\u00e9terv\u00e1ri felh\u0151ben, \u00e9s megszervezt\u00fck a sz\u00fcks\u00e9ges h\u00e1l\u00f3zatokat. Ezut\u00e1n az \u00fcgyf\u00e9l a vCloud Director fel\u00fcleten kereszt\u00fcl r\u00e1t\u00e9rt a vCloud Availability be\u00e1ll\u00edt\u00e1saira, l\u00e9trehozta a replik\u00e1ci\u00f3s feladatokat, \u00e9s a sz\u00e1m\u00e1ra k\u00e9nyelmes id\u0151ben v\u00e1ltott a p\u00e9terv\u00e1ri telephelyre. Az \u00e1tv\u00e1lt\u00e1s sor\u00e1n a le\u00e1ll\u00e1s 12 percet tett ki.<\/p>\n

\"M\u0171velet
\nA DataLine felh\u0151k k\u00f6z\u00f6tti migr\u00e1ci\u00f3s s\u00e9ma P\u00e9terv\u00e1ron \u00e9s Moszkv\u00e1ban.<\/i><\/p>\n

A vCloud Availability rendelkezik VM migr\u00e1ci\u00f3s mechanizmussal az \u00fcgyf\u00e9l telephely\u00e9r\u0151l a felh\u0151nkbe. Ennek \u00e9rdek\u00e9ben a kliens vCenter\u00e9ben egy speci\u00e1lis vCloud Availability applik\u00e1ci\u00f3nak kell telep\u00fclnie. Az egyszer\u0171 be\u00e1ll\u00edt\u00e1sokat k\u00f6vet\u0151en csatlakozik a felh\u0151h\u00f6z, \u00e9s be\u00e1ll\u00edtja a migr\u00e1ci\u00f3s feladatokat. Az \u00fcgyf\u00e9l ugyanakkor teljes m\u00e9rt\u00e9kben ir\u00e1ny\u00edtja az eg\u00e9sz folyamatot, \u00e9s a migr\u00e1ci\u00f3s id\u0151 minimaliz\u00e1l\u00e1sra ker\u00fcl.<\/p>\n

\"M\u0171velet
\nA virtu\u00e1lis g\u00e9pek migr\u00e1ci\u00f3s s\u00e9m\u00e1ja priv\u00e1t telep\u00edt\u00e9sb\u0151l a felh\u0151be.<\/i><\/p>\n

A VMware vCloud Availability sz\u00e1mos egy\u00e9b felhaszn\u00e1l\u00e1si forgat\u00f3k\u00f6nyvvel rendelkezik, \u00e9s hamarosan besz\u00e1molunk r\u00f3luk egy k\u00fcl\u00f6n cikkben. <\/p>\n

Felk\u00e9sz\u00fcl\u00e9s a migr\u00e1ci\u00f3ra <\/h3>\n

\nA megfelel\u0151 eszk\u00f6z kiv\u00e1laszt\u00e1s\u00e1hoz \u00e9s a migr\u00e1ci\u00f3 megkezd\u00e9s\u00e9hez figyelembe kell venni a k\u00f6vetkez\u0151 szempontokat:<\/p>\n

Honnan migr\u00e1lunk. <\/b>Ha priv\u00e1t megold\u00e1sr\u00f3l migr\u00e1l, teljes szabads\u00e1ga van az eszk\u00f6z\u00f6k kiv\u00e1laszt\u00e1s\u00e1ban. Ha egy szolg\u00e1ltat\u00f3t\u00f3l \u00e1tk\u00f6lt\u00f6zik, az m\u00e1r bonyolultabb. Val\u00f3sz\u00edn\u0171leg nem lehet a k\u00e9t szolg\u00e1ltat\u00f3 infrastrukt\u00far\u00e1j\u00e1t \u00f6sszekapcsolni, \u00e9s egyszer\u0171en \u00e1thelyezni a VM-et biztons\u00e1gi megfontol\u00e1sok miatt. N\u00e9ha a szolg\u00e1ltat\u00f3, akit az \u00fcgyf\u00e9l el akar hagyni, kifejezetten h\u00e1tr\u00e1ltathatja a folyamatot \u00e9s id\u0151t h\u00fazhat. Az \u00e1tk\u00f6lt\u00f6z\u00e9s a r\u00e9gi m\u00f3dszerrel t\u00f6rt\u00e9nhet: a VM-ek lement\u00e9s\u00e9vel lemezekre \u00e9s FTP-n kereszt\u00fcl, vagy alkalmaz\u00e1s szintj\u00e9n is migr\u00e1lhat\u00f3. Az ut\u00f3bbit k\u00e9pletesen nevezz\u00fck \u00edgy, \u00e9s k\u00f6r\u00fclbel\u00fcl \u00edgy n\u00e9z ki.<\/p>\n

3. eset
\nA SAP client system needed to be migrated from a European provider: 34 VMs with a total of 54 TB. Resources were allocated to the client in our cloud. A network connection was established between us and the European provider's infrastructure. Application servers were redeployed with the necessary configurations applied. Large databases were migrated by uploading backups to our cloud. Following that, replication between the databases in our and the source environments was set up. At the agreed time, we switched to the databases in our cloud.<\/i><\/p>\n

Data volume and internet channel.<\/b> We usually ask the client to provide an export of system parameters, including memory, CPU, and disks. We assess whether the channel is sufficient to directly send replicas or backups of virtual machines. <\/p>\n

Acceptable downtime.<\/b> For different systems and, consequently, virtual machines, it may vary depending on their criticality for the business. Usually, the client comes with ready requirements regarding downtime during migration, and based on this, we choose an appropriate tool and migration plan. We try to schedule the final switch during nighttime or weekends to ensure that even minor downtime goes unnoticed by the client's end users. <\/p>\n

Based on this data, we can choose the tool and proceed with the migration itself. Here\u2019s what happens next.<\/p>\n

    \n
  1. Setting up the network connectivity. <\/b>We establish network connectivity between our cloud and the client's infrastructure. Virtual machines will be copied over this network. If Veeam Backup and Replication is used, it\u2019s a dedicated channel; less often, it\u2019s a VPN channel. If Veeam Cloud Connect is used, everything goes through the internet or the same dedicated channel.\n

    Next, the network for the VMs in the cloud is configured. Machines usually move in groups and over multiple days. After the VMs are transferred to us and launched, they need to interact with machines that are still on the original site. <\/li>\n

  2. Migration schedule.<\/b> When there are many machines, it makes sense to divide them into groups and transport them in batches. Together with the client, we agree on a plan that outlines when and which machines will move and when the final replication and switch to the new site will occur. <\/li>\n
  3. Test migration.<\/b> Migr\u00e1ljuk a teszt virtu\u00e1lis g\u00e9pet, \u00e9s ellen\u0151rizz\u00fck, hogy minden helyesen van be\u00e1ll\u00edtva: h\u00e1l\u00f3zati kapcsol\u00f3d\u00e1s a helysz\u00ednek k\u00f6z\u00f6tt, a virtu\u00e1lis g\u00e9p el\u00e9rhet\u0151s\u00e9ge az eredeti helysz\u00ednen l\u00e9v\u0151 g\u00e9pek sz\u00e1m\u00e1ra, a fi\u00f3kjogok \u00e9s egy\u00e9b be\u00e1ll\u00edt\u00e1sok. Ez a teszt seg\u00edt elker\u00fclni a k\u00e9s\u00e9seket a t\u00e9nyleges migr\u00e1ci\u00f3 sor\u00e1n.<\/li>\n<\/ol>\n

    \nEzzel \u00e9n befejeztem. K\u00e9rd\u00e9seket tehettek fel a megjegyz\u00e9sekben, \u00e9s mes\u00e9ljetek a migr\u00e1ci\u00f3s tapasztalataitokr\u00f3l.
    \n
    Forr\u00e1s:     habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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