{"id":31296,"date":"2019-10-31T21:40:32","date_gmt":"2019-10-31T18:40:32","guid":{"rendered":"https:\/\/prohoster.info\/blog\/rezervnoe-kopirovanie-s-pomoshhyu-commvault-nemnogo-statistiki-i-kejsov\/"},"modified":"2019-10-31T21:40:32","modified_gmt":"2019-10-31T18:40:32","slug":"rezervnoe-kopirovanie-s-pomoshhyu-commvault-nemnogo-statistiki-i-kejsov","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/administrirovanie\/rezervnoe-kopirovanie-s-pomoshhyu-commvault-nemnogo-statistiki-i-kejsov","title":{"rendered":"Backup med Commvault: lidt statistikker og cases","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>I de tidligere indl\u00e6g har vi delt instruktioner til ops\u00e6tning af <noindex><a rel=\"nofollow\" href=\"https:\/\/habrahabr.ru\/company\/dataline\/blog\/316412\/\">backup<\/a><\/noindex> og <noindex><a rel=\"nofollow\" href=\"https:\/\/habrahabr.ru\/company\/dataline\/blog\/308984\/\">replicering<\/a><\/noindex> baseret p\u00e5 Veeam. I dag vil vi fort\u00e6lle om backup ved hj\u00e6lp af Commvault. Der vil ikke v\u00e6re instruktioner, men vi vil fort\u00e6lle, hvad og hvordan vores kunder allerede sikkerhedskopierer.<\/p>\n<p><img decoding=\"async\" alt=\"Backup med Commvault: lidt statistikker og cases\" src=\"\/wp-content\/uploads\/2019\/04\/33e0d460151f489f1230a719488dfb09.JPG\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>SAN-systemer til backup baseret p\u00e5 Commvault i datacenteret OST-2.<\/i><br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<h2><b>Hvordan fungerer det?<\/b><\/h2>\n<p>\nCommvault er en platform til backup af applikationer, databaser, filsystemer, virtuelle maskiner og fysiske servere. Kilde-data kan v\u00e6re placeret p\u00e5 hvilken som helst platform: hos os \u2013 hos kunden, i et andet kommercielt datacenter eller i skyen.<\/p>\n<p>Kunden installerer en agent p\u00e5 backup objekterne \u2013 <b>iData Agent<\/b> \u2013 og konfigurerer den i overensstemmelse med de \u00f8nskede backuppolitikker. iData Agent indsamler de n\u00f8dvendige data, komprimerer, deduperer, krypterer og sender dem til backup-systemet DataLine. <\/p>\n<p><b>Proxy-servere<\/b> sikrer forbindelsen mellem klientnetv\u00e6rket og vores netv\u00e6rk, isolerer de kanaler, hvorigennem data sendes. <\/p>\n<p>P\u00e5 DataLine modtager <b>Media Agent Server<\/b> og sender dem til opbevaring p\u00e5 SAN, b\u00e5ndbiblioteker osv. Alt dette styres af <b>CommServe<\/b>. I vores konfiguration ligger den prim\u00e6re kontrolserver i OST, den sekund\u00e6re i NORD. <\/p>\n<p>Som standard placeres kundedata p\u00e5 \u00e9n placering, men det er muligt at organisere backup med det samme p\u00e5 to lokationer eller planl\u00e6gge en tidsplan for overf\u00f8rsel af backups til den anden placering. Denne mulighed kaldes \"yderligere datakopiering\" (auxiliary copy). For eksempel vil alle fulde backups i slutningen af m\u00e5neden automatisk blive duplikeret eller flyttet til den anden placering.<\/p>\n<p><img decoding=\"async\" alt=\"Backup med Commvault: lidt statistikker og cases\" src=\"\/wp-content\/uploads\/2019\/04\/29c8c05139240874ad48722f3c7f2ff3.JPG\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>Funktionsdiagram for Commvault backup-systemet.<\/i><\/p>\n<p>Backup-systemet fungerer prim\u00e6rt ved virtualisering af VMware: p\u00e5 virtuelle maskiner er serverne CommServe, Media Agent og Proxy-servere installeret. Hvis kunden bruger vores udstyr, placeres backups p\u00e5 SAN Huawei OceanStor 5500 V3. For backup af kundens SAN, og opbevaring af backups p\u00e5 b\u00e5ndbiblioteker anvendes separate Media Agent p\u00e5 fysiske servere. <\/p>\n<h2><b>Hvad er vigtigt for kunderne?<\/b><\/h2>\n<p>\nFra vores erfaring bem\u00e6rker kunder, der v\u00e6lger Commvault til backup, f\u00f8lgende punkter.<\/p>\n<p><b>Konsol.<\/b> Kunder \u00f8nsker at administrere backup selv. I Commvault-konsollen er alle de vigtigste operationer tilg\u00e6ngelige: <\/p>\n<ul>\n<li>tilf\u00f8jelse og fjernelse af servere til backup; <\/li>\n<li>konfiguration af iData Agent;<\/li>\n<li>oprettelse og manuel k\u00f8rsel af jobs;<\/li>\n<li>selvst\u00e6ndig gendannelse af backups;<\/li>\n<li>ops\u00e6tning af alarmer om status for backupopgaver;<\/li>\n<li>afgr\u00e6nsning af adgang til konsollen afh\u00e6ngigt af rolle og brugergruppe.<\/li>\n<\/ul>\n<p>\n<img decoding=\"async\" alt=\"Backup med Commvault: lidt statistikker og cases\" src=\"\/wp-content\/uploads\/2019\/04\/34bf86bf050a84fab81ac6c91d8cf7c5.JPG\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<b>Deduplicering.<\/b> Deduplicering g\u00f8r det muligt at finde og fjerne gentagne datablokke under backup-processen. Dermed hj\u00e6lper det med at spare plads p\u00e5 lagringssystemet og reducerer m\u00e6ngden af data, der overf\u00f8res, hvilket s\u00e6nker kravene til hastigheden af forbindelsen. Uden deduplicering ville backups optage to til tre gange s\u00e5 meget plads som de oprindelige data. <\/p>\n<p>I tilf\u00e6lde af Commvault kan dedupliceringen konfigureres p\u00e5 klientsiden eller p\u00e5 Medieagenten. I det f\u00f8rste tilf\u00e6lde sendes ikke-unikke datablokke ikke engang til Medieagent-serveren. I det andet tilf\u00e6lde bliver den gentagne blok forkastet og bliver ikke gemt p\u00e5 lagringssystemet.<\/p>\n<p>Denne blokdeduplicering er baseret p\u00e5 hash-funktioner. Hver blok tildeles en hash, som gemmes i en hashtabel, en slags database (Deduplication Database, DDB). Under dataoverf\u00f8rsel 'sl\u00e5s' hashen op i denne database. Hvis en s\u00e5dan hash allerede findes i databasen, bliver blokken markeret som ikke-unik og bliver ikke sendt til Medieagent-serveren (i f\u00f8rste tilf\u00e6lde) eller ikke gemmes p\u00e5 lagringssystemet (i det andet).<\/p>\n<p>Takket v\u00e6re dedupliceringen form\u00e5r vi at spare op til 78% plads i lagringssystemet. I \u00f8jeblikket opbevares 166,4 TB p\u00e5 lagringssystemet. Uden deduplicering ville vi skulle opbevare 744 TB.<\/p>\n<p><b>Mulighed for at afgr\u00e6nse rettigheder.<\/b> I Commvault er der mulighed for at fasts\u00e6tte forskellige adgangsniveauer til administration af backup. De s\u00e5kaldte 'roller' definerer, hvilke handlinger der vil <noindex><a rel=\"nofollow\" href=\"http:\/\/documentation.commvault.com\/commvault\/v11\/article?p=features\/user_admin\/capabilities_and_actions.htm\">v\u00e6re tilladt<\/a><\/noindex> for brugeren i forhold til backup-objekterne. For eksempel vil udviklere kun kunne gendanne servere med databaser til et bestemt sted, mens administratoren kan starte en manuel backup for den samme server og tilf\u00f8je nye brugere.<\/p>\n<p><b>Kryptering.<\/b> Data kan krypteres under backup via Commvault p\u00e5 f\u00f8lgende m\u00e5der:<\/p>\n<ul>\n<li>p\u00e5 klientsiden: data vil p\u00e5 dette tidspunkt blive sendt til backup-systemet i krypteret form;<\/li>\n<li>p\u00e5 Media Agent-siden;<\/li>\n<li>p\u00e5 kanalniveau: data krypteres p\u00e5 klientsiden og dekrypteres p\u00e5 Media Agent-serveren. <\/li>\n<\/ul>\n<p>\nTilg\u00e6ngelige krypteringsalgoritmer: Blowfish, GOST, Serpent, Twofish, 3-DES, AES (anbefales af Commvault).<\/p>\n<h2><b>Lidt statistik<\/b><\/h2>\n<p>\nI midten af december har vi med Commvault backup af 27 kunder. St\u00f8rstedelen heraf er detailhandlere og finansielle institutioner. Den samlede m\u00e6ngde af de originale backup-data fylder 65 TB. <\/p>\n<p><img decoding=\"async\" alt=\"Backup med Commvault: lidt statistikker og cases\" src=\"\/wp-content\/uploads\/2019\/04\/2b7b5f0dee232c23a38a9c2e85311a7f.JPG\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nDer udf\u00f8res cirka 4400 opgaver dagligt. Nedenfor er statistikken for udf\u00f8rte opgaver de sidste 16 dage.<\/p>\n<p><img decoding=\"async\" alt=\"Backup med Commvault: lidt statistikker og cases\" src=\"\/wp-content\/uploads\/2019\/04\/2bdaec3fa44aeca5f47cd35b090941ce.JPG\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nMest af alt backup'er man Windows File System, SQL Server og Exchange-databaser via Commvault. <\/p>\n<p><img decoding=\"async\" alt=\"Backup med Commvault: lidt statistikker og cases\" src=\"\/wp-content\/uploads\/2019\/04\/d1772c3e04b21d1f4914a5995a7c15bb.JPG\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nOg nu de lovede cases. Selvom de er anonymiserede (NDA sender hilsner :)), giver de et indblik i, hvad og hvordan kunderne bruger Commvault-baseret backup. Herunder pr\u00e6senteres cases fra kunder, der bruger et samlet backup-system, dvs. shared software, Media Agent Servers og lagringssystemer.<\/p>\n<h2><b>Case 1<\/b><\/h2>\n<p>\n<b>Kunde.<\/b> En russisk handels- og produktionsvirksomhed inden for slikmarkedet med et distribueret netv\u00e6rk af filialer i Rusland. <\/p>\n<p><b>Opgaven.<\/b>Organisering af backup for Microsoft SQL-databaser, filservere, applikationsservere og Exchange Online-postkasser.<\/p>\n<p>De originale data er placeret p\u00e5 kontorer over hele Rusland (mere end 10 byer). Backup skal tages til DataLine-anl\u00e6gget med efterf\u00f8lgende gendannelse af data i hvilket som helst af virksomhedens kontorer.<br \/>\nKlienten \u00f8nskede dog fuld selvst\u00e6ndig kontrol med adgangsbegr\u00e6nsning.<br \/>\nOpbevaringsdybde \u2013 et \u00e5r. For Exchange Online \u2013 3 m\u00e5neder for operationelle kopier og et \u00e5r for arkiver.<\/p>\n<p><b>L\u00f8sningen.<\/b> Der blev indstillet en ekstra kopi af databaserne til det anden anl\u00e6g: den seneste fulde backup fra m\u00e5neden overf\u00f8res til det andet anl\u00e6g og opbevares der i et \u00e5r.<\/p>\n<p>Kvaliteten af forbindelserne fra kundens fjernkontorer tillod ikke altid at udf\u00f8re backup og gendannelse inden for optimale tidsrammer. For at reducere den overf\u00f8rte trafik blev der opsat deduplikation p\u00e5 kundens side. Dette gjorde, at tiden for en fuld backup af data blev acceptabelt taget i betragtning af afstanden mellem kontorerne. For eksempel tager en fuld backup af en database p\u00e5 131 GB fra Sankt Petersborg 16 minutter. Fra Jekaterinburg tager backup af en database p\u00e5 340 GB 1 time og 45 minutter.<\/p>\n<p>Ved hj\u00e6lp af roller indstillede kunden forskellige rettigheder for sine udviklere: kun til backup eller gendannelse. <\/p>\n<p><img decoding=\"async\" alt=\"Backup med Commvault: lidt statistikker og cases\" src=\"\/wp-content\/uploads\/2019\/04\/88be54a0fe6beb866a1d3dfcb5bc27e7.JPG\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<h2><b>Case 2 <\/b><\/h2>\n<p>\n<b>Kunde.<\/b> Russisk k\u00e6de af butikker for b\u00f8rneartikler.<br \/>\n<b>Opgaven.<\/b> Organisering af backup for:<br \/>\nh\u00f8jtydende MS SQL-klynger baseret p\u00e5 4 fysiske servere; <br \/>\nvirtuelle maskiner med websteder, applikationsservere, 1C, Exchange og filservere.<br \/>\nHele den n\u00e6vnte infrastruktur er fordelt mellem OST og NORD-lokationerne.<br \/>\nRPO for SQL-servere er 30 minutter, for de andre er det 1 d\u00f8gn.<br \/>\nLagringsdybde \u2013 fra 2 uger til 30 dage afh\u00e6ngigt af datatypen.<\/p>\n<p><b>L\u00f8sningen.<\/b> Valgt kombination af l\u00f8sninger baseret p\u00e5 Veeam og Commvault. Veeam bruges til filbackup fra vores cloud. Databaser, Active Directory, e-mail- og fysiske servere backs up via Commvault. <\/p>\n<p>For at opn\u00e5 h\u00f8j hastighed i backupen tilknyttede kunden en separat netv\u00e6rksadapter p\u00e5 fysiske servere med MS SQL til backupopgaver. En fuld backup af en database p\u00e5 3,4 TB tager 2 timer og 20 minutter, mens en fuld gendannelse tager 5 timer og 5 minutter. <\/p>\n<p>Kunden havde et stort volumen af kilde data (n\u00e6sten 18 TB). Hvis datam\u00e6ngden skulle lagres p\u00e5 et b\u00e5ndbibliotek, som kunden gjorde tidligere, ville det kr\u00e6ve flere dusin patroner. Dette ville komplicere styringen af hele kundens backup-system. Derfor blev b\u00e5ndbiblioteket i den endelige implementering erstattet med en SAN.<\/p>\n<p><img decoding=\"async\" alt=\"Backup med Commvault: lidt statistikker og cases\" src=\"\/wp-content\/uploads\/2019\/04\/8a3662f585f5052c0e6e865a49c22934.JPG\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<h2><b>Case 3<\/b><\/h2>\n<p>\n<b>Kunde.<\/b> K\u00e6de af supermarkeder i CIS<br \/>\n<b>Opgaven.<\/b> Kunden \u00f8nskede at organisere backup og gendannelse af SAP-systemer, der var placeret i vores cloud. For SAP HANA-databaser er RPO=15 minutter, for virtuelle maskiner med applikationsservere er RPO=24 timer. Lagringsdybden er 30 dage. I tilf\u00e6lde af en ulykke er RTO=1 time, for gendannelse af en kopi efter anmodning er RTO=4 timer.<\/p>\n<p><b>L\u00f8sningen.<\/b> For the HANA database, backup of DATA files and log files was configured at a specified frequency. Log files were archived every 15 minutes or when a certain size was reached.<\/p>\n<p>To reduce the database recovery time, we set up a two-tier backup storage based on a storage system and tape library. Active copies are stored on disks with the ability to restore at any point within a week. When a backup is older than 1 week, it is moved to the archive on the tape library, where it is kept for an additional 30 days.<\/p>\n<p>A full backup of one of the databases with a size of 181 GB takes 1 hour and 54 minutes.<\/p>\n<p>When setting up the backup, the SAP backint interface was used, allowing integration of third-party backup systems with SAP HANA Studio. Therefore, backups can be managed directly from the SAP console. This simplifies life for SAP administrators, who do not need to get accustomed to a new interface. <\/p>\n<p>Backup management is also available to the client through the standard Commvault client console.<\/p>\n<p><img decoding=\"async\" alt=\"Backup med Commvault: lidt statistikker og cases\" src=\"\/wp-content\/uploads\/2019\/04\/571b4267212183ad6c3f93b9207782aa.JPG\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nThat's all for today. Feel free to ask questions in the comments.<br \/>\n<br \/>Kilde: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/dataline\/blog\/318188\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412 \u043f\u0440\u0435\u0434\u044b\u0434\u0443\u0449\u0438\u0445 \u043f\u043e\u0441\u0442\u0430\u0445 \u043c\u044b \u0434\u0435\u043b\u0438\u043b\u0438\u0441\u044c \u0438\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0438\u044f\u043c\u0438 \u043f\u043e \u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0435 \u0440\u0435\u0437\u0435\u0440\u0432\u043d\u043e\u0433\u043e \u043a\u043e\u043f\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0438 \u0440\u0435\u043f\u043b\u0438\u043a\u0430\u0446\u0438\u0438 \u043d\u0430 \u0431\u0430\u0437\u0435 Veeam. \u0421\u0435\u0433\u043e\u0434\u043d\u044f \u043c\u044b \u0445\u043e\u0442\u0438\u043c \u0440\u0430\u0441\u0441\u043a\u0430\u0437\u0430\u0442\u044c \u043f\u0440\u043e \u0440\u0435\u0437\u0435\u0440\u0432\u043d\u043e\u0435 \u043a\u043e\u043f\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u0441\u0440\u0435\u0434\u0441\u0442\u0432\u0430\u043c\u0438 Commvault. \u0418\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0438\u0439 \u043d\u0435 \u0431\u0443\u0434\u0435\u0442, \u0437\u0430\u0442\u043e \u0440\u0430\u0441\u0441\u043a\u0430\u0436\u0435\u043c, \u0447\u0442\u043e \u0438 \u043a\u0430\u043a \u0443\u0436\u0435 \u0431\u044d\u043a\u0430\u043f\u044f\u0442 \u043d\u0430\u0448\u0438 \u043a\u043b\u0438\u0435\u043d\u0442\u044b. \u0421\u0425\u0414 \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u0440\u0435\u0437\u0435\u0440\u0432\u043d\u043e\u0433\u043e \u043a\u043e\u043f\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u043d\u0430 \u0431\u0430\u0437\u0435 Commvault \u0432 \u0434\u0430\u0442\u0430-\u0446\u0435\u043d\u0442\u0440\u0435 OST-2. \u041a\u0430\u043a \u044d\u0442\u043e \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442? Commvault \u2013 \u044d\u0442\u043e \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0430 \u0434\u043b\u044f \u0440\u0435\u0437\u0435\u0440\u0432\u043d\u043e\u0433\u043e [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":23262,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-31296","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0412 \u043f\u0440\u0435\u0434\u044b\u0434\u0443\u0449\u0438\u0445 \u043f\u043e\u0441\u0442\u0430\u0445 \u043c\u044b \u0434\u0435\u043b\u0438\u043b\u0438\u0441\u044c \u0438\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0438\u044f\u043c\u0438 \u043f\u043e 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