Parametry diskov\u00e9ho pole:<\/p>\n\n\n\n
- 2 \u0159adi\u010de (controllery)<\/strong><\/li>
- 10 polic pro disky 3,5″, v\u0161echny maj\u00ed du\u00e1ln\u00ed a z\u00e1lohovan\u00e9 nap\u00e1jen\u00ed a dvojit\u00e9 propojen\u00ed s \u0159adi\u010di<\/li>
- ve\u0161ker\u00e9 komponenty hot swapov\u00e9<\/li>
- 120 disk\u016f Nearline SAS 3 TB 7.2k<\/strong><\/li>
- hrub\u00e1 diskov\u00e1 kapacita 360 TB<\/strong><\/li>
- skupiny disk\u016f v RAID 5+0<\/strong>, \u010dist\u00e1 vyu\u017eiteln\u00e1 kapacita cca 270 TB<\/strong><\/li>
- 2 hot spare disky<\/strong> (na n\u011b se p\u0159i v\u00fdpadku jin\u00e9ho okam\u017eit\u011b za\u010dnou synchronizovat data)<\/li>
- v\u0161echny komponenty skladem pro okam\u017eitou v\u00fdm\u011bnu za pln\u00e9ho chodu v p\u0159\u00edpad\u011b poruchy<\/li>
- z\u00e1pis dat metodou write-back <\/strong>s vyu\u017eit\u00edm 2 GB cache<\/strong>, read cache, prefetch cache<\/li>
- Cache protector<\/strong> pou\u017e\u00edv\u00e1 p\u0159i v\u00fdpadku elektrick\u00e9ho nap\u011bt\u00ed kondenz\u00e1tor pro udr\u017een\u00ed dat v pam\u011bti a pozd\u011bj\u0161\u00ed z\u00e1pis.<\/li>
- Data Block Guard<\/strong> d\u00e1v\u00e1 ke v\u0161em blok\u016fm dat paritn\u00ed bity a zaji\u0161\u0165uje tak maxim\u00e1ln\u00ed integritu dat na disku a cache.<\/li>
- Eco-mode<\/strong> sni\u017euje ot\u00e1\u010dky disk\u016f, co\u017e vede k ni\u017e\u0161\u00ed spot\u0159eb\u011b energie a redukci tepeln\u00fdch ztr\u00e1t.<\/li><\/ul>\n\n\n\n
Diskov\u00e9 pole je d\u00e1le propojeno k ovl\u00e1dac\u00edm server\u016fm dv\u011bma cestami p\u0159es rozhran\u00ed SAS (6Gb\/s)<\/strong>. Na ovl\u00e1dac\u00edm serveru b\u011b\u017e\u00ed Linux CentOS 6.2<\/strong>, na n\u011bm jsou p\u0159ipojeny logick\u00e9 disky ze storage, na nich je souborov\u00fd syst\u00e9m ext4<\/strong> a u\u017eivatelsk\u00e9 adres\u00e1\u0159e jsou zde zp\u0159\u00edstupn\u011bny p\u0159es protokoly FTP (vsftpd), rsync a SMB (samba)<\/strong>. D\u00e1le zde b\u011b\u017e\u00ed software na\u0161\u00ed v\u00fdroby (ServerManager<\/strong>), kter\u00fd v\u0161e ovl\u00e1d\u00e1 a komunikuje s na\u0161imi dal\u0161\u00edmi syst\u00e9my (objedn\u00e1vkov\u00fd syst\u00e9m, intern\u00ed administrace) a se z\u00e1kaznick\u00fdm administra\u010dn\u00edm rozhran\u00edm.<\/p>\n\n\n\n
Pln\u011b osazen\u00e9 \u0161asi s 3.5″ disky v\u00e1\u017e\u00ed 350kg a maxim\u00e1ln\u00ed p\u0159\u00edkon m\u00e1 dle v\u00fdrobce okolo 5.5kW z \u010deho\u017e cca 20000 kJ\/h vyz\u00e1\u0159\u00ed jako teplo.<\/p>\n\n\n\n
Management<\/h2>\n\n\n\n
Spr\u00e1va diskov\u00e9ho pole se prov\u00e1d\u00ed p\u0159es webov\u00e9 rozhran\u00ed (viz. fotogalerie). Zde se vytv\u00e1\u0159\u00ed a administruj\u00ed RAID groupy (skupiny disk\u016f v RAIDu), volume (logick\u00e9 disky), jednotliv\u00e9 komponenty, SAS rozhran\u00ed aj.<\/p>\n\n\n\n
V managementu m\u016f\u017eeme d\u00e1le sledovat vyt\u00ed\u017een\u00ed jednotliv\u00fdch komponent a p\u0159\u00edpadn\u011b nastavit r\u016fzn\u00e9 druhy oznamov\u00e1n\u00ed chyb p\u0159es e-maily a SNMP. Storage umo\u017e\u0148uje spr\u00e1vu na n\u011bkolika administr\u00e1torsk\u00fdch \u00farovn\u00edch s r\u016fzn\u00fdmi pr\u00e1vy.<\/p>\n\n\n\n
V\u00fdkon<\/h2>\n\n\n\n
V r\u00e1mci komplexn\u00edho odzkou\u0161en\u00ed storage jsme testovali jakou m\u00e1 za\u0159\u00edzen\u00ed pr\u016fm\u011brnou p\u0159enosovou rychlost. Testov\u00e1n\u00ed spo\u010d\u00edvalo v p\u0159esunu 5 GB velk\u00e9ho souboru z ramdisku na server a zp\u011bt p\u0159es 6Gb\/s SAS rozhran\u00ed. P\u0159i obou operac\u00edch jsme dos\u00e1hli re\u00e1ln\u00fdch rychlost\u00ed p\u0159es 420 MB\/s<\/strong>.<\/p>\n\n\n\n
Z\u00e1v\u011br<\/h2>\n\n\n\n
Za\u0159\u00edzen\u00ed DX80 se n\u00e1m z portfolia storage firmy Fujitsu jev\u00ed jako ide\u00e1ln\u00ed pro na\u0161e \u00fa\u010dely. Za n\u011bkolik m\u011bs\u00edc\u016f provozu mus\u00edme zkonstatovat, \u017ee se jedn\u00e1 o robustn\u00ed, stabiln\u00ed a rychl\u00e9 \u0159e\u0161en\u00ed, kter\u00e9 doposavad napl\u0148uje na\u0161e o\u010dek\u00e1v\u00e1n\u00ed. Op\u011bt jsme r\u00e1di, \u017ee jsme jako dodavatele zvolili spole\u010dnsot\u00a0Fujitsu<\/strong>.<\/p>\n\n\n\n
Galerie<\/h2>\n\n\n\n
![\"\"](\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\")
<\/a><\/figure><\/li><\/a><\/figure><\/li><\/a><\/figure><\/li><\/a><\/figure><\/li><\/a><\/figure><\/li><\/a><\/figure><\/li><\/a><\/figure><\/li><\/a><\/figure><\/li><\/a><\/figure><\/li><\/a><\/figure><\/li><\/a><\/figure><\/li><\/a><\/figure><\/li><\/ul><\/figure>\n","protected":false},"excerpt":{"rendered":"V tomto \u010dl\u00e1nku nahl\u00e9dneme pod pokli\u010dku diskov\u00e9ho pole Fujitsu Eternus DX80, kter\u00e9 vyu\u017e\u00edv\u00e1me pro slu\u017ebu WEDOS Disk.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[],"class_list":["post-74851","post","type-post","status-publish","format-standard","hentry","category-technologie"],"_links":{"self":[{"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/posts\/74851","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/comments?post=74851"}],"version-history":[{"count":2,"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/posts\/74851\/revisions"}],"predecessor-version":[{"id":74925,"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/posts\/74851\/revisions\/74925"}],"wp:attachment":[{"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/media?parent=74851"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/categories?post=74851"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/tags?post=74851"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
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