ho lokolloa ha tsamaiso ea lifaele tsa cluster , hangata (~60%) Lihlopha tsa Linux tse nang le li-node tse mashome a likete. Scalability ho litsamaiso tse kholo joalo li finyelloa ka meaho e nang le likarolo tse ngata. Likarolo tsa bohlokoa tsa Luster ke li-metadata processing and storage server (MDS), li-server tsa tsamaiso (MGS), lisebelisoa tsa polokelo ea ntho (OSS), polokelo ea ntho (OST, litšehetso tse sebetsang ka holim'a ext4 le ZFS) le bareki.
ka sehloohong :
- cache e tsitsitseng ea lehlakoreng la bareki (Persistent Client Cache), e u lumellang ho sebelisa polokelo ea lehae, joalo ka NVMe kapa NVRAM, joalo ka karolo ea sebaka sa mabitso sa FS lefatšeng ka bophara. Bareki ba ka boloka data e amanang le lifaele tse sa tsoa etsoa kapa tse seng li le teng ka har'a sistimi ea cache e kentsoeng sebakeng sa heno (mohlala, ext4). Ha moreki oa hajoale a ntse a sebetsa, lifaele tsena li sebetsoa sebakeng sa heno ka lebelo la FS ea lehae, empa haeba moreki e mong a leka ho e fumana, li fallisetsoa ho FS ea lefats'e.
- Ka li-routers ho sibolloa ka tsela e iketsang ha litsela ha u sebelisa ho tsamaea litseleng tse 'maloa ka likhokahano tse fapaneng tsa marang-rang (Multi-Rail Routing) le ts'epahalo e eketsehileng ea litlhophiso tse nang le li-node tse nang le marang-rang a mangata.
- "Overstriping", moo lebenkele le le leng la ntho (OST) le ka bang le likopi tse 'maloa tsa li-stripe blocks bakeng sa faele e le' ngoe, e lumellang bareki ba 'maloa hore ka nako e le' ngoe ba etse mesebetsi ea ho ngola e kopanetsoeng faeleng ntle le ho emela hore senotlolo se lokolloe.
- E hlahile litlhophiso tsa lifaele tse itšebetsang (Litlhophiso tsa ho Ikeketsa), ho eketsa maemo a bonolo a ho sebelisa mokhoa oa PFL (Progressive File Layouts) mekhoeng e fapaneng ea lifaele. Ka mohlala, ha tsamaiso ea faele e kenyelletsa matamo a manyenyane a polokelo a thehiloeng ho li-flash drives tse potlakileng le matamo a maholo a disk, karolo e reriloeng e u lumella hore u ngolle li-storesers tse potlakileng pele, 'me ka mor'a hore sebaka se fele, fetola ka boomo ho matamo a li-disk.
Source: opennet.ru