{"id":220,"date":"2018-10-03T06:31:46","date_gmt":"2018-10-03T06:31:46","guid":{"rendered":"https:\/\/www.thegioimaychu.vn\/blog\/?p=220"},"modified":"2022-01-26T06:39:01","modified_gmt":"2022-01-26T06:39:01","slug":"sds-software-defined-storage-la-gi","status":"publish","type":"post","link":"https:\/\/thegioimaychu.vn\/blog\/tong-hop\/sds-software-defined-storage-la-gi-p220\/","title":{"rendered":"SDS &#8211; Software-defined Storage l\u00e0 g\u00ec?"},"content":{"rendered":"<style>.iblink{color:#975!important;}.iblink:hover{color:orange!important;}<\/style><h3>Software-defined Storage, SDS l\u00e0 g\u00ec?<\/h3>\n<p><a class=\"iblink\" href=\"\/blog\/tag\/software-defined-storage\/\">Software-defined Storage<\/a>, hay vi\u1ebft t\u1eaft l\u00e0 <a class=\"iblink\" href=\"\/blog\/tag\/software-defined-storage\/\">SDS<\/a>,\u00a0l\u00e0 m\u1ed9t <a class=\"iblink\" href=\"\/storage\/\">h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef<\/a> d\u1eef li\u1ec7u \u1ea3o h\u00f3a b\u1eb1ng ph\u1ea7n m\u1ec1m, ho\u1ea1t \u0111\u1ed9ng \u0111\u1ed9c l\u1eadp v\u00e0 kh\u00f4ng ph\u1ee5 thu\u1ed9c v\u00e0o l\u1edbp ph\u1ea7n c\u1ee9ng l\u01b0u tr\u1eef v\u1eadt l\u00fd b\u00ean d\u01b0\u1edbi.<\/p>\n<p>Nhi\u1ec1u ng\u01b0\u1eddi cho r\u1eb1ng b\u1ea5t k\u1ef3 s\u1ea3n ph\u1ea9m l\u01b0u tr\u1eef d\u1eef li\u1ec7u n\u00e0o \u0111\u1ec1u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c xem nh\u01b0 m\u1ed9t h\u1ec7 th\u1ed1ng Software-defined Storage, v\u00ec b\u1ea3n ch\u1ea5t t\u1ea5t c\u1ea3 c\u00e1c s\u1ea3n ph\u1ea9m l\u01b0u tr\u1eef \u0111\u1ec1u c\u1ea7n ph\u1ea3i c\u00f3 ph\u1ea7n m\u1ec1m \u0111\u1ec3 qu\u1ea3n l\u00fd c\u00e1c ph\u1ea7n c\u1ee9ng b\u00ean d\u01b0\u1edbi v\u00e0 ki\u1ec3m so\u00e1t c\u00e1c t\u00e1c v\u1ee5 li\u00ean quan \u0111\u1ebfn ho\u1ea1t \u0111\u1ed9ng l\u01b0u tr\u1eef. Tuy nhi\u00ean, thu\u1eadt ng\u1eef Software-defined Storage th\u01b0\u1eddng \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p v\u1edbi c\u00e1c s\u1ea3n ph\u1ea9m ph\u1ea7n m\u1ec1m \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ch\u1ea1y tr\u00ean ph\u1ea7n c\u1ee9ng m\u00e1y ch\u1ee7 th\u00f4ng d\u1ee5ng v\u1edbi n\u1ec1n t\u1ea3ng vi x\u1eed l\u00fd Intel x86 v\u00e0 cho ph\u00e9p ti\u1ebft ki\u1ec7m chi ph\u00ed h\u01a1n so v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng <a class=\"iblink\" href=\"\/storage\/san\/\">Storage Area Network<\/a> &#8211; SAN hay <a class=\"iblink\" href=\"\/storage\/nas\/\">Network Attached Storage<\/a> &#8211; NAS truy\u1ec1n th\u1ed1ng m\u00e0 trong \u0111\u00f3 ph\u1ea7n c\u1ee9ng v\u00e0 ph\u1ea7n m\u1ec1m k\u1ebft h\u1ee3p v\u1edbi nhau th\u00e0nh m\u1ed9t kh\u1ed1i kh\u00f4ng th\u1ec3 t\u00e1ch r\u1eddi.<\/p>\n<p>Kh\u00f4ng gi\u1ed1ng nh\u01b0 c\u00e1c h\u1ec7 th\u1ed1ng SAN v\u00e0 NAS nguy\u00ean kh\u1ed1i, c\u00e1c s\u1ea3n ph\u1ea9m Software-defined Storage cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng n\u00e2ng c\u1ea5p ph\u1ea7n m\u1ec1m ri\u00eang bi\u1ec7t v\u1edbi ph\u1ea7n c\u1ee9ng. C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m chung c\u1ee7a s\u1ea3n ph\u1ea9m SDS bao g\u1ed3m kh\u1ea3 n\u0103ng k\u1ebft h\u1ee3p c\u00e1c lo\u1ea1i t\u00e0i nguy\u00ean l\u01b0u tr\u1eef, m\u1edf r\u1ed9ng quy m\u00f4 h\u1ec7 th\u1ed1ng trong cluster, qu\u1ea3n l\u00fd c\u00e1c nh\u00f3m (pool) l\u01b0u tr\u1eef \u0111\u01b0\u1ee3c chia s\u1ebb v\u00e0 d\u1ecbch v\u1ee5 l\u01b0u tr\u1eef th\u00f4ng qua ch\u1ec9 m\u1ed9t giao di\u1ec7n qu\u1ea3n tr\u1ecb, v\u00e0 cho ph\u00e9p thi\u1ebft l\u1eadp c\u00e1c policy \u0111\u1ec3 ki\u1ec3m so\u00e1t c\u00e1c t\u00ednh n\u0103ng v\u00e0 ch\u1ee9c n\u0103ng l\u01b0u tr\u1eef.<\/p>\n<p>C\u00e1c y\u1ebfu t\u1ed1 g\u00f3p ph\u1ea7n v\u00e0o s\u1ef1 t\u0103ng tr\u01b0\u1edfng c\u00e1c s\u1ea3n ph\u1ea9m SDS bao g\u1ed3m: S\u1ef1 t\u0103ng tr\u01b0\u1edfng b\u00f9ng n\u1ed5 c\u1ee7a d\u1eef li\u1ec7u phi c\u1ea5u tr\u00fac, t\u1ea1o ra nhu c\u1ea7u l\u1edbn v\u1ec1 ki\u1ebfn \u200b\u200btr\u00fac l\u01b0u tr\u1eef c\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng quy m\u00f4; Kh\u1ea3 n\u0103ng \u0111\u00e1p \u1ee9ng ph\u1ea7n c\u1ee9ng m\u00e1y ch\u1ee7 hi\u1ec7u n\u0103ng cao cho c\u00e1c b\u1ed9 vi x\u1eed l\u00fd \u0111a nh\u00e2n; \u0110\u00e1p \u1ee9ng c\u00e1c nhu c\u1ea7u \u1ea3o h\u00f3a n\u00f3i chung trong c\u00e1c h\u1ec7 th\u1ed1ng m\u00e1y ch\u1ee7, desktop, \u1ee9ng d\u1ee5ng v\u00e0 network; V\u00e0 cu\u1ed1i c\u00f9ng l\u00e0 s\u1ef1 ph\u1ed5 bi\u1ebfn c\u1ee7a c\u00f4ng ngh\u1ec7 <a class=\"iblink\" href=\"\/blog\/tag\/cloud-computing\/\">\u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y<\/a> &#8211; <a class=\"iblink\" href=\"\/blog\/tag\/cloud-computing\/\">cloud computing<\/a>.<\/p>\n<p>C\u00e1c \u1ee9ng d\u1ee5ng c\u1ee7a Software-defined Storage ph\u00e2n theo t\u1eebng lo\u1ea1i s\u1ea3n ph\u1ea9m. V\u00ed d\u1ee5, c\u00e1c tr\u01b0\u1eddng h\u1ee3p \u1ee9ng d\u1ee5ng h\u1ec7 th\u1ed1ng SDS \u0111\u1ec3 m\u1edf r\u1ed9ng object v\u00e0 file storage bao g\u1ed3m c\u00e1c \u1ee9ng d\u1ee5ng c\u00f3 ph\u00e1t sinh kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn d\u1eef li\u1ec7u phi c\u1ea5u tr\u00fac, ch\u1eb3ng h\u1ea1n nh\u01b0 d\u1eef li\u1ec7u ph\u00e2n t\u00edch, b\u1ed9 gen v\u00e0 Internet Of Things &#8211; IoT. C\u00e1c kh\u1ed1i SDS m\u1edf r\u1ed9ng c\u00f3 th\u1ec3 nh\u1eafm \u0111\u1ebfn c\u00e1c \u1ee9ng d\u1ee5ng \/ workloads c\u1ea7n hi\u1ec7u su\u1ea5t cao nh\u01b0 database. Nhi\u1ec1u lo\u1ea1i SDS c\u00f3 th\u1ec3 ph\u00f9 h\u1ee3p cho m\u00f4i tr\u01b0\u1eddng DevOps, n\u01a1i c\u1ea7n linh ho\u1ea1t t\u1ea1o ra c\u00e1c v\u00f9ng l\u01b0u tr\u1eef cho c\u00e1c \u1ee9ng d\u1ee5ng, d\u1ef1 \u00e1n m\u1edbi.<\/p>\n<p>Software-defined Storage l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a xu h\u01b0\u1edbng c\u00f4ng ngh\u1ec7 l\u1edbn h\u01a1n trong \u0111\u00f3 bao g\u1ed3m Software-defined Network (SDN), Software-defined Infrastructre v\u00e0 Software-defined Data Center.<\/p>\n<h3>C\u00e1c lo\u1ea1i s\u1ea3n ph\u1ea9m l\u01b0u tr\u1eef \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1eb1ng ph\u1ea7n m\u1ec1m v\u00e0 c\u00e1c nh\u00e0 cung c\u1ea5p ch\u00ednh<\/h3>\n<p>Software-defined Storage c\u00f3 th\u1ec3 kh\u00f3 ph\u00e2n lo\u1ea1i v\u00ec l\u00fd do thi\u1ebfu c\u00e1c \u0111\u1ecbnh ngh\u0129a \u0111\u01b0\u1ee3c chu\u1ea9n h\u00f3a. M\u1ed9t s\u1ed1 s\u1ea3n ph\u1ea9m SDS h\u1ed7 tr\u1ee3 giao ti\u1ebfp &#8211; interface d\u1ea1ng object, file ho\u1eb7c block, m\u1eb7c d\u00f9 ch\u00fang th\u01b0\u1eddng t\u1eadp trung \u01b0u ti\u00ean m\u1ed9t ho\u1eb7c ch\u1ec9 2 interface c\u00f9ng l\u00fac. Ngo\u00e0i ra c\u00e1c d\u1ea1ng kh\u00e1c c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 truy c\u1eadp th\u00f4ng qua m\u1ed9t ho\u1eb7c hai giao th\u1ee9c l\u01b0u tr\u1eef. V\u00ed d\u1ee5, m\u1ed9t s\u1ed1 s\u1ea3n ph\u1ea9m SDS b\u1eaft \u0111\u1ea7u v\u1edbi <a class=\"iblink\" href=\"\/blog\/tag\/object-storage\/\">object storage<\/a>, sau \u0111\u00f3 h\u1ed7 tr\u1ee3 th\u00eam c\u00e1c giao th\u1ee9c d\u1ea1ng file. M\u1ed9t s\u1ed1 <a class=\"iblink\" href=\"\/storage\/\">h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef<\/a> file ph\u00e2n t\u00e1n h\u1ed7 tr\u1ee3 vi\u1ec7c chuy\u1ec3n t\u1ea3i d\u1eef li\u1ec7u th\u00e0nh <a class=\"iblink\" href=\"\/blog\/tag\/object-storage\/\">object storage<\/a>.<\/p>\n<p>Nhi\u1ec1u s\u1ea3n ph\u1ea9m SDS c\u00f3 th\u1ec3 ch\u1ea1y tr\u00ean m\u1ed9t h\u1ec7 \u0111i\u1ec1u h\u00e0nh m\u00e1y ch\u1ee7 (OS) v\u00e0 trong m\u1ed9t m\u00e1y \u1ea3o (VM), on-premise ho\u1eb7c tr\u00ean public cloud. M\u1ed9t s\u1ed1 kh\u00e1c ch\u1ec9 c\u00f3 th\u1ec3 ch\u1ea1y trong hypervisor kernel ho\u1eb7c VM. Ngo\u00e0i ra, s\u1ea3n ph\u1ea9m SDS c\u00f3 th\u1ec3 ch\u1ea1y trong m\u1ed9t container \u0111\u1ec3 c\u1ea5p ph\u00e1t t\u00e0i nguy\u00ean m\u00e1y ch\u1ee7 v\u00e0 cung c\u1ea5p giao di\u1ec7n qu\u1ea3n l\u00fd nh\u1ea5t qu\u00e1n cho c\u00e1c \u1ee9ng d\u1ee5ng v\u00e0 d\u1ecbch v\u1ee5 l\u01b0u tr\u1eef d\u1ef1a tr\u00ean container.<\/p>\n<p>C\u00e1c nh\u00e0 cung c\u1ea5p SDS th\u01b0\u1eddng cung c\u1ea5p danh s\u00e1ch c\u00e1c t\u00f9y ch\u1ecdn ph\u1ea7n c\u1ee9ng \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn. M\u1ed9t s\u1ed1 nh\u00e0 cung c\u1ea5p SDS b\u00e1n s\u1ea3n ph\u1ea9m b\u1eb1ng c\u00e1ch \u0111\u00f3ng g\u00f3i ph\u1ea7n m\u1ec1m SDS k\u00e8m v\u1edbi m\u00e1y ch\u1ee7 th\u00f4ng d\u1ee5ng \u0111\u1ec3 kh\u00e1ch h\u00e0ng d\u1ec5 d\u00e0ng tri\u1ec3n khai v\u00e0 s\u1eed d\u1ee5ng. Nhi\u1ec1u h\u1ec7 th\u1ed1ng SDS cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng n\u00e2ng c\u1ea5p \/ scale-out t\u00e0i nguy\u00ean x\u1eed l\u00fd v\u00e0 t\u00e0i nguy\u00ean l\u01b0u tr\u1eef ri\u00eang bi\u1ec7t nhau. C\u00f2n c\u00e1c gi\u1ea3i ph\u00e1p HCI th\u00ec cung c\u1ea5p kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng t\u00e0i nguy\u00ean x\u1eed l\u00fd, l\u01b0u tr\u1eef, m\u1ea1ng trong c\u00f9ng m\u1ed9t thi\u1ebft b\u1ecb v\u1eadt l\u00fd. C\u00e1c nh\u00e0 cung c\u1ea5p h\u1ea1 t\u1ea7ng si\u00eau h\u1ed9i t\u1ee5 v\u1edbi n\u1ec1n t\u1ea3ng SDS c\u00f3 th\u1ec3 k\u1ec3 \u0111\u1ebfn nh\u01b0 <a href=\"https:\/\/thegioimaychu.vn\/solution\/datacore\/\">DataCore<\/a>, Hewlett Packard Enterprise, Nutanix v\u00e0 Pivot3.<\/p>\n<p>M\u1ed9t v\u00e0i nh\u00e0 cung c\u1ea5p thi\u1ebft b\u1ecb l\u01b0u tr\u1eef l\u1edbn c\u0169ng \u0111\u00e3 b\u1eaft \u0111\u1ea7u ph\u00e1t h\u00e0nh phi\u00ean b\u1ea3n ph\u1ea7n m\u1ec1m c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m l\u01b0u tr\u1eef m\u00e0 tr\u01b0\u1edbc \u0111\u00f3 \u0111\u01b0\u1ee3c \u0111\u00f3ng g\u00f3i chung v\u00e0o ph\u1ea7n c\u1ee9ng thi\u1ebft b\u1ecb l\u01b0u tr\u1eef c\u1ee7a h\u1ecd. V\u00ed d\u1ee5 nh\u01b0 UnityVSA c\u1ee7a Dell EMC, xu\u1ea5t ph\u00e1t t\u1eeb d\u00f2ng s\u1ea3n ph\u1ea9m Unity storage array c\u1ee7a h\u1ecd v\u00e0 IsilonSD Edge t\u1eeb h\u1ec7 th\u1ed1ng scale-out NAS Isilon; IBM Spectrum Accelerate t\u1eeb nh\u00e0 cung c\u1ea5p <a class=\"iblink\" href=\"\/solution\/enterprise-storage\/\">gi\u1ea3i ph\u00e1p l\u01b0u tr\u1eef<\/a> XIV; v\u00e0 OnTap Select c\u1ee7a NetApp, phi\u00ean b\u1ea3n software-only c\u1ee7a h\u1ec7 \u0111i\u1ec1u h\u00e0nh d\u00e0nh cho storage array c\u1ee7a h\u1ecd.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-226 size-full aligncenter\" src=\"https:\/\/thegioimaychu.vn\/blog\/wp-content\/uploads\/2018\/10\/storage-software_defined_storage1.png\" alt=\"\" width=\"1000\" height=\"812\" srcset=\"https:\/\/thegioimaychu.vn\/blog\/wp-content\/uploads\/2018\/10\/storage-software_defined_storage1.png 1000w, https:\/\/thegioimaychu.vn\/blog\/wp-content\/uploads\/2018\/10\/storage-software_defined_storage1-300x244.png 300w, https:\/\/thegioimaychu.vn\/blog\/wp-content\/uploads\/2018\/10\/storage-software_defined_storage1-768x624.png 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><em>C\u00e1c ch\u1ee7ng lo\u1ea1i v\u00e0 s\u1ea3n ph\u1ea9m\u00a0SDS <\/em><\/p>\n<p>C\u00e1c gi\u1ea3i ph\u00e1p SDS m\u00e3 ngu\u1ed3n m\u1edf &#8211; open-source c\u0169ng c\u00f3 s\u1eb5n th\u00f4ng qua c\u00e1c d\u1ef1 \u00e1n ph\u00e1t tri\u1ec3n c\u1ed9ng \u0111\u1ed3ng &#8211; community projects. Trong \u0111\u00f3 n\u1ed5i b\u1eadt nh\u1ea5t bao g\u1ed3m Ceph, FreeNAS, Gluster v\u00e0 OpenStack Swift. C\u00e1c b\u1ea3n ph\u00e2n ph\u1ed1i \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 c\u00f3 ph\u00ed c\u0169ng \u0111\u01b0\u1ee3c nhi\u1ec1u nh\u00e0 cung c\u1ea5p kh\u00e1c nhau khai th\u00e1c.<\/p>\n<div>____<br \/><b>B\u00e0i vi\u1ebft li\u00ean quan<\/b><\/div>\n<ul>\n<li><a href=\"https:\/\/thegioimaychu.vn\/blog\/?post_type=post&#038;p=15801\">3 l\u1ee3i \u00edch c\u1ee7a SDN \u0111\u1ed1i v\u1edbi h\u1ec7 th\u1ed1ng CNTT c\u1ee7a c\u00e1c doanh nghi\u1ec7p<\/a><\/li>\n<li><a href=\"https:\/\/thegioimaychu.vn\/blog\/?post_type=post&#038;p=10710\">L\u00e0m c\u00e1ch n\u00e0o \u0111\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u n\u0103ng v\u00e0 dung l\u01b0\u1ee3ng c\u00e1c t\u1ee7 SAN, t\u1ed1i \u01b0u v\u00e0 qu\u1ea3n l\u00fd ch\u00fang ch\u1eb7t ch\u1ebd?<\/a><\/li>\n<li><a href=\"https:\/\/thegioimaychu.vn\/blog\/?post_type=post&#038;p=10386\">Ba v\u1ea5n \u0111\u1ec1 h\u00e0ng \u0111\u1ea7u v\u1ec1 l\u01b0u tr\u1eef m\u00e0 Object Storage c\u00f3 th\u1ec3 gi\u1ea3i quy\u1ebft cho b\u1ea1n<\/a><\/li>\n<li><a href=\"https:\/\/thegioimaychu.vn\/blog\/?post_type=post&#038;p=10361\">M\u1ea5t m\u1ed9t \u00edt \u0111\u1ec3 Nh\u1eadn nhi\u1ec1u h\u01a1n: C\u00e1ch \u1ea3o h\u00f3a tr\u1ea3 l\u1ea1i ti\u1ec1n cho b\u1ea1n nh\u01b0 th\u1ebf n\u00e0o<\/a><\/li>\n<li><a href=\"https:\/\/thegioimaychu.vn\/blog\/?post_type=post&#038;p=4000\">FreeNAS ph\u00e1t h\u00e0nh phi\u00ean b\u1ea3n update &#8211; FreeNAS 11.3<\/a><\/li>\n<li><a href=\"https:\/\/thegioimaychu.vn\/blog\/?post_type=post&#038;p=1848\">Software Defined Networking l\u00e0 g\u00ec?<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Software-defined Storage, SDS l&agrave; g&igrave;? Software-defined Storage, hay vi&#7871;t t&#7855;t l&agrave; SDS,&nbsp;l&agrave; m&#7897;t h&#7879; th&#7889;ng l&#432;u tr&#7919; d&#7919; li&#7879;u &#7843;o h&oacute;a b&#7857;ng ph&#7847;n m&#7873;m, ho&#7841;t &#273;&#7897;ng &#273;&#7897;c l&#7853;p v&agrave; kh&ocirc;ng ph&#7909; thu&#7897;c v&agrave;o l&#7899;p ph&#7847;n c&#7913;ng l&#432;u tr&#7919; v&#7853;t l&yacute; b&ecirc;n d&#432;&#7899;i. Nhi&#7873;u ng&#432;&#7901;i cho r&#7857;ng b&#7845;t k&#7923; s&#7843;n ph&#7849;m l&#432;u tr&#7919; d&#7919; li&#7879;u n&agrave;o&#8230;<\/p>\n","protected":false},"author":2,"featured_media":224,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[1],"tags":[24,25],"class_list":["post-220","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tong-hop","tag-sds","tag-software-defined"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>SDS - Software-defined Storage l\u00e0 g\u00ec? - Blog | TheGioiMayChu<\/title>\n<meta name=\"description\" content=\"H\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a b\u1eb1ng ph\u1ea7n m\u1ec1m\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/thegioimaychu.vn\/blog\/tong-hop\/sds-software-defined-storage-la-gi-p220\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"SDS - Software-defined Storage l\u00e0 g\u00ec? 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