{"id":302940,"date":"2020-05-03T15:00:21","date_gmt":"2020-05-03T15:00:21","guid":{"rendered":"http:\/\/savepearlharbor.com\/?p=302940"},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-29T21:00:00","slug":"","status":"publish","type":"post","link":"https:\/\/savepearlharbor.com\/?p=302940","title":{"rendered":"\u0421\u043f\u0438\u0441\u043e\u043a \u0438\u0437\u0432\u0435\u0441\u0442\u043d\u044b\u0445 SMR \u0434\u0438\u0441\u043a\u043e\u0432"},"content":{"rendered":"\n
\u0410\u043d\u0433\u043b\u043e\u044f\u0437\u044b\u0447\u043d\u044b\u0439 \u043e\u0440\u0438\u0433\u0438\u043d\u0430\u043b \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0432 \u0444\u043e\u0440\u0443\u043c\u0435 ixsystems<\/a> \u0438 \u0432\u0440\u044f\u0434 \u043b\u0438 \u0448\u0438\u0440\u043e\u043a\u043e \u0438\u0437\u0432\u0435\u0441\u0442\u0435\u043d \u0432\u0441\u0435\u043c, \u043a\u0442\u043e \u043c\u043e\u0436\u0435\u0442 \u0441\u0442\u043e\u043b\u043a\u043d\u0443\u0442\u044c\u0441\u044f \u0441 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u043e\u0439. \u0425\u043e\u0442\u044f \u043e\u0440\u0438\u0433\u0438\u043d\u0430\u043b \u0434\u0430\u0442\u0438\u0440\u043e\u0432\u0430\u043d 16 \u0430\u043f\u0440\u0435\u043b\u044f 2020, \u043e\u043d \u0441\u0441\u044b\u043b\u0430\u0435\u0442\u0441\u044f \u0432 \u0442\u043e\u043c \u0447\u0438\u0441\u043b\u0435 \u043d\u0430 \u0431\u043e\u043b\u0435\u0435 \u043f\u043e\u0437\u0434\u043d\u0438\u0435 \u043f\u0443\u0431\u043b\u0438\u043a\u0430\u0446\u0438\u0438, \u0442\u043e \u0435\u0441\u0442\u044c \u043e\u0431\u043d\u043e\u0432\u043b\u044f\u043b\u0441\u044f.<\/p>\n

\u0416\u0435\u0441\u0442\u043a\u0438\u0435 \u0434\u0438\u0441\u043a\u0438, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0437\u0430\u043f\u0438\u0441\u044b\u0432\u0430\u044e\u0442 \u0434\u0430\u043d\u043d\u044b\u0435 \u0432 \u043f\u0435\u0440\u0435\u043a\u0440\u044b\u0432\u0430\u044e\u0449\u0438\u0445\u0441\u044f,<\/a> \u00ab\u0447\u0435\u0440\u0435\u043f\u0438\u0447\u043d\u044b\u0445\u00bb \u0434\u043e\u0440\u043e\u0436\u043a\u0430\u0445* [\u043f\u043e\u0434 \u0437\u0432\u0435\u0437\u0434\u043e\u0447\u043a\u0430\u043c\u0438 \u2014 \u043f\u0440\u0438\u043c \u043f\u0435\u0440\u0435\u0432\u043e\u0434\u0447\u0438\u043a\u0430, \u0441\u043c \u0432 \u043a\u043e\u043d\u0446\u0435 \u0442\u0435\u043a\u0441\u0442\u0430], \u0438\u043c\u0435\u044e\u0442 \u0431\u043e`\u043b\u044c\u0448\u0443\u044e \u043f\u043b\u043e\u0442\u043d\u043e\u0441\u0442\u044c \u0437\u0430\u043f\u0438\u0441\u0438, \u0447\u0435\u043c \u0442\u0435, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u044d\u0442\u043e\u0433\u043e \u043d\u0435 \u0434\u0435\u043b\u0430\u044e\u0442. \u041f\u043e \u043f\u0440\u0438\u0447\u0438\u043d\u0430\u043c \u0441\u0442\u043e\u0438\u043c\u043e\u0441\u0442\u0438 \u0438 \u0435\u043c\u043a\u043e\u0441\u0442\u0438 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u0438 \u0432\u0441\u0435 \u0447\u0430\u0449\u0435 \u043f\u0435\u0440\u0435\u0445\u043e\u0434\u044f\u0442 \u043d\u0430 SMR, Shingled Magnetic Recording. SMR \u2014 \u044d\u0442\u043e \u0444\u043e\u0440\u043c\u0430 PMR (\u043f\u0435\u0440\u043f\u0435\u043d\u0434\u0438\u043a\u0443\u043b\u044f\u0440\u043d\u0430\u044f \u043c\u0430\u0433\u043d\u0438\u0442\u043d\u0430\u044f \u0437\u0430\u043f\u0438\u0441\u044c). \u0414\u043e\u0440\u043e\u0436\u043a\u0438 \u043f\u0435\u0440\u043f\u0435\u043d\u0434\u0438\u043a\u0443\u043b\u044f\u0440\u043d\u044b \u0438 \u043d\u0430\u043b\u043e\u0436\u0435\u043d\u044b \u0434\u0440\u0443\u0433 \u043d\u0430 \u0434\u0440\u0443\u0433\u0430. \u0412 \u044d\u0442\u043e\u0439 \u0442\u0430\u0431\u043b\u0438\u0446\u0435 CMR (\u043e\u0431\u044b\u0447\u043d\u0430\u044f \u043c\u0430\u0433\u043d\u0438\u0442\u043d\u0430\u044f \u0437\u0430\u043f\u0438\u0441\u044c) \u0431\u0443\u0434\u0435\u0442 \u043e\u0437\u043d\u0430\u0447\u0430\u0442\u044c \u00abPMR \u0431\u0435\u0437 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u043d\u0430\u043b\u043e\u0436\u0435\u043d\u0438\u044f \u0434\u043e\u0440\u043e\u0436\u0435\u043a\u00bb.<\/p>\n

SMR \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044f\u043c \u043f\u0440\u0435\u0434\u043b\u0430\u0433\u0430\u0442\u044c \u0431\u043e\u043b\u0435\u0435 \u0432\u044b\u0441\u043e\u043a\u0443\u044e \u0435\u043c\u043a\u043e\u0441\u0442\u044c \u0431\u0435\u0437 \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e\u0441\u0442\u0438 \u043a\u0430\u0440\u0434\u0438\u043d\u0430\u043b\u044c\u043d\u043e\u0433\u043e \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u0431\u0430\u0437\u043e\u0432\u043e\u0439 \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u0438 \u0437\u0430\u043f\u0438\u0441\u0438. \u041d\u043e\u0432\u044b\u0435 \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u0438, \u0442\u0430\u043a\u0438\u0435 \u043a\u0430\u043a HAMR (\u0442\u0435\u043f\u043b\u043e\u0432\u0430\u044f \u043c\u0430\u0433\u043d\u0438\u0442\u043d\u0430\u044f \u0437\u0430\u043f\u0438\u0441\u044c), \u043c\u043e\u0433\u0443\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c\u0441\u044f \u0441 \u0438\u043b\u0438 \u0431\u0435\u0437 \u043d\u0430\u043b\u043e\u0436\u0435\u043d\u0438\u044f \u0434\u043e\u0440\u043e\u0436\u0435\u043a. \u041f\u0435\u0440\u0432\u044b\u0435 \u0442\u0430\u043a\u0438\u0435 \u0434\u0438\u0441\u043a\u0438 \u043e\u0436\u0438\u0434\u0430\u044e\u0442\u0441\u044f \u0432 2020 \u0433\u043e\u0434\u0443, \u0432 \u043b\u044e\u0431\u043e\u043c \u0438\u0437 \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u043e\u0432.<\/p>\n

SMR \u0445\u043e\u0440\u043e\u0448\u043e \u043f\u043e\u0434\u0445\u043e\u0434\u0438\u0442 \u0434\u043b\u044f \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f \u0431\u043e\u043b\u044c\u0448\u043e\u0439 \u0435\u043c\u043a\u043e\u0441\u0442\u0438 \u043f\u043e \u043d\u0435\u0432\u044b\u0441\u043e\u043a\u043e\u0439 \u0446\u0435\u043d\u0435, \u043a\u043e\u0433\u0434\u0430 \u0447\u0438\u0441\u043b\u043e \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0439 \u0437\u0430\u043f\u0438\u0441\u0438 \u043c\u0430\u043b\u043e, \u0430 \u0447\u0442\u0435\u043d\u0438\u044f \u2014 \u0432\u0435\u043b\u0438\u043a\u043e.<\/p>\n

SMR \u0438\u043c\u0435\u0435\u0442 \u0445\u0443\u0434\u0448\u0443\u044e \u0443\u0441\u0442\u043e\u0439\u0447\u0438\u0432\u0443\u044e \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c \u0437\u0430\u043f\u0438\u0441\u0438, \u043d\u0435\u0436\u0435\u043b\u0438 CMR, \u0447\u0442\u043e \u043c\u043e\u0436\u0435\u0442 \u0432\u044b\u0437\u0432\u0430\u0442\u044c \u0441\u0435\u0440\u044c\u0435\u0437\u043d\u044b\u0435 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u044b \u0432\u043e \u0432\u0440\u0435\u043c\u044f \u0440\u0435\u0441\u0438\u043b\u044c\u0432\u0435\u0440\u0430** \u0438\u043b\u0438 \u0434\u0440\u0443\u0433\u0438\u0445 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0439 \u0441 \u0438\u043d\u0442\u0435\u043d\u0441\u0438\u0432\u043d\u043e\u0439 \u0437\u0430\u043f\u0438\u0441\u044c\u044e, \u0432\u043f\u043b\u043e\u0442\u044c \u0434\u043e \u0441\u0431\u043e\u044f \u044d\u0442\u043e\u0433\u043e \u0440\u0435\u0441\u0438\u043b\u044c\u0432\u0435\u0440\u0430. \u0412 \u0431\u043e\u043b\u044c\u0448\u0438\u043d\u0441\u0442\u0432\u0435 \u0441\u043b\u0443\u0447\u0430\u0435\u0432 \u0436\u0435\u043b\u0430\u0442\u0435\u043b\u044c\u043d\u043e \u0432\u044b\u0431\u0440\u0430\u0442\u044c \u043f\u0440\u0438\u0432\u043e\u0434 CMR. \u042d\u0442\u043e\u0442 \u043f\u043e\u0441\u0442 \u2014 \u043f\u043e\u043f\u044b\u0442\u043a\u0430 \u0441\u043e\u0431\u0440\u0430\u0442\u044c \u0432\u043c\u0435\u0441\u0442\u0435 \u0438\u0437\u0432\u0435\u0441\u0442\u043d\u044b\u0435 SMR-\u0434\u0438\u0441\u043a\u0438 \u0438 \u0438\u0441\u0442\u043e\u0447\u043d\u0438\u043a\u0438 \u044d\u0442\u043e\u0439 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0438.<\/p>\n

\u0421\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u0435\u0442 \u0442\u0440\u0438 \u0442\u0438\u043f\u0430 SMR:
\u2014 \u0423\u043f\u0440\u0430\u0432\u043b\u044f\u0435\u043c\u044b\u0439 \u0441\u0430\u043c\u0438\u043c \u0434\u0438\u0441\u043a\u043e\u043c, drive managed, DM-SMR, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043d\u0435\u043f\u0440\u043e\u0437\u0440\u0430\u0447\u0435\u043d \u0434\u043b\u044f \u041e\u0421. \u042d\u0442\u043e \u043e\u0437\u043d\u0430\u0447\u0430\u0435\u0442, \u0447\u0442\u043e ZFS \u043d\u0435 \u043c\u043e\u0436\u0435\u0442 \u0443\u043f\u0440\u0430\u0432\u043b\u044f\u0442\u044c \u0437\u0430\u043f\u0438\u0441\u044c\u044e \u0438 \u044d\u0442\u043e \u0445\u0443\u0434\u0448\u0438\u0439 \u0442\u0438\u043f \u0434\u043b\u044f \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f ZFS. \u041f\u0440\u043e\u0441\u0442\u043e\u0435 \u043f\u0440\u0430\u0432\u0438\u043b\u043e: \u0438\u0437\u0431\u0435\u0433\u0430\u0439\u0442\u0435 \u0434\u0438\u0441\u043a\u043e\u0432 DM-SMR, \u0435\u0441\u043b\u0438 \u0442\u043e\u043b\u044c\u043a\u043e \u0443 \u0432\u0430\u0441 \u043d\u0435\u0442 \u043a\u043e\u043d\u043a\u0440\u0435\u0442\u043d\u043e\u0433\u043e \u0441\u043b\u0443\u0447\u0430\u044f \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f, \u043a\u043e\u0433\u0434\u0430 \u0434\u043e\u043f\u0443\u0441\u0442\u0438\u043c\u043e \u0443\u0432\u0435\u043b\u0438\u0447\u0435\u043d\u0438\u0435 \u0432\u0440\u0435\u043c\u0435\u043d\u0438 \u0432\u043e\u0441\u0441\u0442\u0430\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f (\u043d\u0435\u0434\u0435\u043b\u044f \u0438\u043b\u0438 \u0434\u043e\u043b\u044c\u0448\u0435), \u0438 \u0432\u044b \u0437\u043d\u0430\u0435\u0442\u0435, \u0447\u0442\u043e \u043f\u0440\u0438\u0432\u043e\u0434 \u043f\u0440\u043e\u0434\u043e\u043b\u0436\u0438\u0442 \u0440\u0430\u0431\u043e\u0442\u0430\u0442\u044c \u0441 ZFS \u0432\u043e \u0432\u0440\u0435\u043c\u044f \u0432\u043e\u0441\u0441\u0442\u0430\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f. \u0421\u043c\u043e\u0442\u0440\u0438 (h)
\u2014 \u0423\u0432\u0435\u0434\u043e\u043c\u043b\u044f\u044e\u0449\u0438\u0439 \u0445\u043e\u0441\u0442, Host Aware, HA-SMR, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0430\u043d, \u0447\u0442\u043e\u0431\u044b \u0434\u0430\u0442\u044c ZFS*** \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u043e \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0435 SMR. \u041e\u0431\u0440\u0430\u0442\u0438\u0442\u0435 \u0432\u043d\u0438\u043c\u0430\u043d\u0438\u0435, \u0447\u0442\u043e \u043a\u043e\u0434\u0430 ZFS \u0434\u043b\u044f \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f HA-SMR \u043d\u0435 \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u0435\u0442. \u0411\u0435\u0437 \u044d\u0442\u043e\u0433\u043e \u043a\u043e\u0434\u0430 \u0434\u0438\u0441\u043a HA-SMR \u0432\u0435\u0434\u0435\u0442 \u0441\u0435\u0431\u044f \u043a\u0430\u043a \u0434\u0438\u0441\u043a DM-SMR \u0432 \u0442\u043e\u043c, \u0447\u0442\u043e \u043a\u0430\u0441\u0430\u0435\u0442\u0441\u044f ZFS.
\u2014 \u0423\u043f\u0440\u0430\u0432\u043b\u044f\u0435\u043c\u044b\u0439 \u0445\u043e\u0441\u0442\u043e\u043c, Host Managed, HM-SMR, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043d\u0435 \u0438\u043c\u0435\u0435\u0442 \u043e\u0431\u0440\u0430\u0442\u043d\u043e\u0439 \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u043e\u0441\u0442\u0438 \u0438 \u0442\u0440\u0435\u0431\u0443\u0435\u0442 ZFS*** \u0434\u043b\u044f \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u043c SMR.<\/p>\n

\u042f \u043f\u0440\u0435\u0434\u043f\u043e\u043b\u0430\u0433\u0430\u044e, \u0447\u0442\u043e ZFS \u0432 \u043d\u0430\u0441\u0442\u043e\u044f\u0449\u0435\u0435 \u0432\u0440\u0435\u043c\u044f \u043d\u0435 \u043e\u0431\u0440\u0430\u0431\u0430\u0442\u044b\u0432\u0430\u0435\u0442 \u0434\u0438\u0441\u043a\u0438 HA-ZFS \u0438\u043b\u0438 HM-ZFS, \u0442\u0430\u043a \u043a\u0430\u043a \u0434\u043b\u044f \u044d\u0442\u043e\u0433\u043e \u043f\u043e\u0442\u0440\u0435\u0431\u0443\u0435\u0442\u0441\u044f \u043f\u0435\u0440\u0435\u0437\u0430\u043f\u0438\u0441\u044c \u0431\u043b\u043e\u0447\u043d\u044b\u0445 \u0443\u043a\u0430\u0437\u0430\u0442\u0435\u043b\u0435\u0439. \u0421\u043c\u043e\u0442\u0440\u0438\u0442\u0435 \u0441\u0442\u0440\u0430\u043d\u0438\u0446\u0443 24 (d), \u0430 \u0442\u0430\u043a\u0436\u0435 (i) \u0438 (j).<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\u041f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c \u0438 \u0440\u0430\u0437\u043c\u0435\u0440<\/td>\n\u2116 \u043c\u043e\u0434\u0435\u043b\u0438<\/td>\n\u041d\u0430\u0437\u0432\u0430\u043d\u0438\u0435<\/td>\n\u0422\u0438\u043f<\/td>\n\u041f\u0440\u0438\u043c<\/td>\n<\/tr>\n
WD \u2014 3.5"<\/td>\nWD20EFAX<\/td>\n2TB WD Red<\/td>\nDM-SMR<\/td>\n(1), EFRX is CMR<\/td>\n<\/tr>\n
WD \u2014 3.5"<\/td>\nWD30EFAX<\/td>\n3TB WD Red<\/td>\nDM-SMR<\/td>\n(12) and inferred from (13), EFRX is CMR<\/td>\n<\/tr>\n
WD \u2014 3.5"<\/td>\nWD40EFAX<\/td>\n4TB WD Red<\/td>\nDM-SMR<\/td>\n(1), EFRX is CMR<\/td>\n<\/tr>\n
WD \u2014 3.5"<\/td>\nWD60EFAX<\/td>\n6TB WD Red<\/td>\nDM-SMR<\/td>\n(1), EFRX is CMR<\/td>\n<\/tr>\n
WD \u2014 3.5"<\/td>\nWD20EZAZ<\/td>\n2TB Blue<\/td>\nDM-SMR<\/td>\nInferred from (4), EZRZ is CMR<\/td>\n<\/tr>\n
WD \u2014 3.5"<\/td>\nWD30EZAZ<\/td>\n3TB Blue<\/td>\nDM-SMR<\/td>\n?, EZRZ is CMR<\/td>\n<\/tr>\n
WD \u2014 3.5"<\/td>\nWD40EZAZ<\/td>\n4TB Blue<\/td>\nDM-SMR<\/td>\n?, EZRZ is CMR<\/td>\n<\/tr>\n
WD \u2014 3.5"<\/td>\nWD60EZAZ<\/td>\n6TB Blue<\/td>\nDM-SMR<\/td>\nInferred from (4), EZRZ is CMR<\/td>\n<\/tr>\n
WD \u2014 3.5"<\/td>\nWD40EMAZ<\/td>\n4TB Elements<\/td>\nDM-SMR<\/td>\n(12)<\/td>\n<\/tr>\n
WD \u2014 3.5"<\/td>\nWD60EMAZ<\/td>\n6TB Elements<\/td>\nDM-SMR<\/td>\n(12)<\/td>\n<\/tr>\n
WD \u2014 3.5"<\/td>\nWD60EDAZ<\/td>\n6TB My Book<\/td>\nDM-SMR<\/td>\n(14)<\/td>\n<\/tr>\n
Seagate \u2014 3.5"<\/td>\nST2000DM005<\/td>\n2TB Barracuda<\/td>\nDM-SMR<\/td>\nInferred from (8)<\/td>\n<\/tr>\n
Seagate \u2014 3.5"<\/td>\nST2000DM008<\/td>\n2TB Barracuda<\/td>\nDM-SMR<\/td>\n(2)<\/td>\n<\/tr>\n
Seagate \u2014 3.5"<\/td>\nST3000DM007<\/td>\n3TB Barracuda<\/td>\nDM-SMR<\/td>\nInferred from (8)<\/td>\n<\/tr>\n
Seagate \u2014 3.5"<\/td>\nST4000DM004<\/td>\n4TB Barracuda<\/td>\nDM-SMR<\/td>\n(2)<\/td>\n<\/tr>\n
Seagate \u2014 3.5"<\/td>\nST5000DM003<\/td>\n5TB Barracuda<\/td>\nDM-SMR<\/td>\n2TB platter as per (15)<\/td>\n<\/tr>\n
Seagate \u2014 3.5"<\/td>\nST6000DM003<\/td>\n6TB Barracuda<\/td>\nDM-SMR<\/td>\nInferred from (8)<\/td>\n<\/tr>\n
Seagate \u2014 3.5"<\/td>\nST8000DM004<\/td>\n8TB Barracuda<\/td>\nDM-SMR<\/td>\n(2)<\/td>\n<\/tr>\n
Seagate \u2014 3.5"<\/td>\nST5000DM000<\/td>\n5TB Desktop<\/td>\nDM-SMR<\/td>\n(2)<\/td>\n<\/tr>\n
Seagate \u2014 3.5"<\/td>\nST5000AS0011<\/td>\n5TB Archive<\/td>\nDM-SMR<\/td>\n(3)<\/td>\n<\/tr>\n
Seagate \u2014 3.5"<\/td>\nST6000AS0002<\/td>\n6TB Archive v2<\/td>\nDM-SMR<\/td>\n(3)<\/td>\n<\/tr>\n
Seagate \u2014 3.5"<\/td>\nST8000AS0002<\/td>\n8TB Archive v2<\/td>\nHA-SMR<\/td>\n(3) and (10)<\/td>\n<\/tr>\n
Seagate \u2014 3.5"<\/td>\nST8000AS0003<\/td>\n8TB Exos (Archive v3)<\/td>\nDM-SMR<\/td>\n(2)<\/td>\n<\/tr>\n
Toshiba \u2014 3.5"<\/td>\nHDWD240UZSVA<\/td>\n4TB P300 Desktop<\/td>\nDM-SMR<\/td>\n(11)<\/td>\n<\/tr>\n
Toshiba \u2014 3.5"<\/td>\nHDWD260UZSVA<\/td>\n6TB P300 Desktop<\/td>\nDM-SMR<\/td>\n(11)<\/td>\n<\/tr>\n
Toshiba \u2014 3.5"<\/td>\nDT02ABA400<\/td>\n4TB DT02(-V)<\/td>\nDM-SMR<\/td>\n(11)<\/td>\n<\/tr>\n
Toshiba \u2014 3.5"<\/td>\nDT02ABA600<\/td>\n6TB DT02(-V)<\/td>\nDM-SMR<\/td>\n(11)<\/td>\n<\/tr>\n
HGST \u2014 3.5"<\/td>\nDC HC600 Series<\/td>\n14TB, 15TB and 20TB Ultrastar<\/td>\nHM-SMR<\/td>\n(9)<\/td>\n<\/tr>\n
—<\/td>\n—<\/td>\n—<\/td>\n—<\/td>\n<\/td>\n<\/tr>\n
Toshiba \u2014 2.5"<\/td>\nHDWL110<\/td>\n1TB L200 Slim<\/td>\nDM-SMR<\/td>\n(11)<\/td>\n<\/tr>\n
Toshiba \u2014 2.5"<\/td>\nHDWL120<\/td>\n2TB L200<\/td>\nDM-SMR<\/td>\n(11), see also list at (18)<\/td>\n<\/tr>\n
Toshiba \u2014 2.5"<\/td>\nMQ04ABF100<\/td>\n1TB MQ04<\/td>\nDM-SMR<\/td>\n(11)<\/td>\n<\/tr>\n
Toshiba \u2014 2.5"<\/td>\nMQ04ABD200<\/td>\n2TB MQ04<\/td>\nDM-SMR<\/td>\n(11)<\/td>\n<\/tr>\n
WD \u2014 2.5"<\/td>\nWD9000LPZX<\/td>\n900GB Blue<\/td>\nDM-SMR<\/td>\n(16)<\/td>\n<\/tr>\n
WD \u2014 2.5"<\/td>\nWD10SPZX<\/td>\n1TB Blue<\/td>\nDM-SMR<\/td>\n(5), also as HGST Travelstar, see (20)<\/td>\n<\/tr>\n
WD \u2014 2.5"<\/td>\nWD10SPWX<\/td>\n1TB Blue<\/td>\nDM-SMR<\/td>\n(16)<\/td>\n<\/tr>\n
WD \u2014 2.5"<\/td>\nWD20SPZX<\/td>\n2TB Blue<\/td>\nDM-SMR<\/td>\n(6)<\/td>\n<\/tr>\n
WD \u2014 2.5"<\/td>\nVarious<\/td>\nNot For Resale<\/td>\nDM-SMR<\/td>\nList at (17)<\/td>\n<\/tr>\n
Seagate \u2014 2.5"<\/td>\nST1000LM048<\/td>\n1TB Barracuda<\/td>\nDM-SMR<\/td>\n(7), see also list at (19)<\/td>\n<\/tr>\n
Seagate \u2014 2.5"<\/td>\nST2000LM015<\/td>\n2TB Barracuda<\/td>\nDM-SMR<\/td>\n(7), see also list at (19)<\/td>\n<\/tr>\n
Seagate \u2014 2.5"<\/td>\nST3000LM024<\/td>\n3TB Barracuda<\/td>\nDM-SMR<\/td>\n(7), see also list at (19)<\/td>\n<\/tr>\n
Seagate \u2014 2.5"<\/td>\nST4000LM024<\/td>\n4TB Barracuda<\/td>\nDM-SMR<\/td>\n(7), see also list at (19)<\/td>\n<\/tr>\n
Seagate \u2014 2.5"<\/td>\nST5000LM000<\/td>\n5TB Barracuda<\/td>\nDM-SMR<\/td>\n(7), see also list at (19)<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

[\u0414\u0430\u043b\u0435\u0435 \u0438\u0434\u0435\u0442 \u0441\u043f\u0438\u0441\u043e\u043a \u043b\u0438\u0442\u0435\u0440\u0430\u0442\u0443\u0440\u044b \u0438 \u0438\u0441\u0442\u043e\u0447\u043d\u0438\u043a\u043e\u0432 \u0441\u043e \u0441\u0441\u044b\u043b\u043a\u0430\u043c\u0438. \u041f\u0435\u0440\u0435\u0432\u043e\u0434\u0438\u0442\u044c \u0438\u0445 \u043d\u0430\u0437\u0432\u0430\u043d\u0438\u044f \u043d\u0435 \u0432\u0438\u0436\u0443 \u0441\u043c\u044b\u0441\u043b\u0430]<\/p>\n

(a) HA-SMR and HM-SMR in ZFS: 2014, Tim Feldman of Seagate, http:\/\/open-zfs.org\/w\/images\/2\/2a\/Host-Aware_SMR-Tim_Feldman.pdf<\/a>
(b) HA-SMR presentation, recording: 2014, Tim Feldman, https:\/\/www.youtube.com\/watch?v=b1yqjV8qemU<\/a>
© HA-SMR education: 2014, Mary Dunn and Tim Feldman of Seagate, https:\/\/www.snia.org\/sites\/default\/files\/Dunn-Feldman_SNIA_Tutorial_Shingled_Magnetic_Recording-r7_Final.pdf<\/a>
(d) ZFS on SMR: 2014, Robert Novak, https:\/\/storageconference.us\/2014\/Presentations\/Novak.pdf<\/a>
(e) HM-SMR paper: 2013, Albert Chen et al, WD: https:\/\/www.snia.org\/sites\/default\/files\/SDC15_presentations\/smr\/AlbertChen_JimMalina_Host_Managed_SMR_revision5.pdf<\/a>
(f) DM-SMR and CMR zones, resilvering woes: https:\/\/blocksandfiles.com\/2020\/04\/15\/shingled-drives-have-non-shingled-zones-for-caching-writes\/<\/a>
(g) Code to make ext4 HA-SMR aware: 2015, Seagate, https:\/\/github.com\/Seagate\/SMR_FS-EXT4<\/a>
(h) Performance and resilver results of using Seagata Archive v2 8TB on FreeNAS: https:\/\/www.ixsystems.com\/community\/threads\/seagate-8tb-archive-drive-in-freenas.27740\/page-2<\/a>
(i) The intricacies of BPR: 2013, Matt Ahrens, https:\/\/youtu.be\/G2vIdPmsnTI?t=2675<\/a>
(j) BPR is so complex no new features can be added afterwards: 2020, BSD Now podcast, from roughly 22:00, https:\/\/www.bsdnow.tv\/340<\/a>
(k) SMR presentation: 2015, Manfred Berger HGST, https:\/\/youtu.be\/a2lnMxMUxyc<\/a>
(l) OpenZFS Office Hour discussion on SMR: 2015, SMR, Resilvering, Possible Solutions at around 20, 31 and 46 mins respectively, https:\/\/youtu.be\/mS4bfbEq46I?t=1220<\/a>
(m) SAFS example file system for HA-SMR: 2015, Huewai R&D, https:\/\/www.snia.org\/sites\/default\/files\/SDC15_presentations\/smr\/StephenMorgan-An_SMR-Aware_Append_Only-FiveSystem.pdf<\/a>
(n) HiSMRFs research file system for SMR: 2014, https:\/\/www.researchgate.net\/publication\/271472461_HiSMRfs_A_high_performance_file_system_for_shingled_storage_array<\/a>
(o) Poster for Zone-based Storage Tiering for HA-SMA: 2017, University of Minnesota, https:\/\/sc17.supercomputing.org\/SC17 Archive\/tech_poster\/poster_files\/post204s2-file2.pdf<\/a>
(p) Manylogs concept, platters would need SMR and CMR sides: 2016, IEEE, https:\/\/ieeexplore.ieee.org\/document\/7897075<\/a>
(q) Toshiba presentation on SMR technology: 2015, https:\/\/www.toshiba.co.jp\/tech\/review\/en\/01_02\/pdf\/a08.pdf<\/a><\/p>\n

\u0418\u0441\u0442\u043e\u0447\u043d\u0438\u043a\u0438 \u0443\u0442\u0432\u0435\u0440\u0436\u0434\u0435\u043d\u0438\u044f, \u0447\u0442\u043e \u0434\u0438\u0441\u043a \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442 SMR<\/b><\/p>\n

(1) WD Red 2TB to 6TB are DM-SMR: https:\/\/blocksandfiles.com\/2020\/04\/14\/wd-red-nas-drives-shingled-magnetic-recording\/<\/a>
(2) Seagate drives that use DM-SMR: https:\/\/blocksandfiles.com\/2020\/04\/15\/seagate-2-4-and-8tb-barracuda-and-desktop-hdd-smr\/<\/a>
(3) Seagate data sheet for DM-SMR Archive drives: https:\/\/www.seagate.com\/www-content\/product-content\/hdd-fam\/seagate-archive-hdd\/en-us\/docs\/archive-hdd-dS1834-3-1411us.pdf<\/a>
(4) WD data sheet for WD Blue, note 256MB cache suggesting DM-SMR: https:\/\/documents.westerndigital.com\/content\/dam\/doc-library\/en_us\/assets\/public\/western-digital\/product\/internal-drives\/wd-blue-hdd\/data-sheet-wd-blue-pc-hard-drives-2879-771436.pdf<\/a>
(5) User asserting 2.5" WD Blue 1TB is SMR: https:\/\/community.wd.com\/t\/smr-trim-on-a-wd10spzx-under-vista\/237101<\/a>
(6) User asserting 2.5" WD Blue 2TB is SMR: https:\/\/www.newegg.com\/Product\/SingleProductReview?reviewid=5188127<\/a>
(7) Anandtech lists Seagate 2.5" Barracuda as SMR: https:\/\/www.anandtech.com\/show\/10757\/seagate-introduces-barracuda-25-mobile-hard-drives-with-up-to-5-tb-capacity<\/a>
(8) Seagate data sheet for Barracuda, note 256MB Multi-Tiered cache suggesting DM-SMR: https:\/\/www.seagate.com\/www-content\/datasheets\/pdfs\/3-5-barracudaDS1900-11-1806US-en_US.pdf<\/a>
(9) HGST Host-Managed SMR DataCenter drives: https:\/\/www.westerndigital.com\/products\/data-center-drives\/ultrastar-dc-hc600-series-hdd<\/a>
(10) Seagate datasheet for 8TB Archive v2 showing HA-SMR: https:\/\/www.seagate.com\/www-content\/product-content\/hdd-fam\/seagate-archive-hdd\/en-us\/docs\/100795782a.pdf<\/a>
(11) Toshiba’s list of DM-SMR drives: https:\/\/toshiba.semicon-storage.com\/ap-en\/company\/news\/news-topics\/2020\/04\/storage-20200428-1.html<\/a>
(12) WD platter sizes: https:\/\/rml527.blogspot.com\/2010\/10\/hdd-platter-database-western-digital-35_9883.html<\/a>|
(13) WD data sheet for WD Red, note 256MB cache suggesting DM-SMR: https:\/\/documents.westerndigital.com\/content\/dam\/doc-library\/en_us\/assets\/public\/western-digital\/product\/internal-drives\/wd-red-hdd\/data-sheet-western-digital-wd-red-hdd-2879-800002.pdf<\/a>
(14) WD platter sizes niche products: https:\/\/rml527.blogspot.com\/2010\/10\/hdd-platter-database-western-digital-35.html<\/a>
(15) Seagate platter sizes: https:\/\/rml527.blogspot.com\/2010\/10\/hdd-platter-database-seagate-35.html<\/a>
(16) WD platter sizes 2.5": https:\/\/rml527.blogspot.com\/2010\/10\/hdd-platter-database-western-digital-25.html<\/a>
(17) WD platter sizes 2.5 niche products: https:\/\/rml527.blogspot.com\/2010\/10\/hdd-platter-database-western-digital-25_2393.html<\/a>
(18) Toshiba platter sizes 2.5": https:\/\/rml527.blogspot.com\/2010\/09\/hdd-platter-database-toshiba-25.html<\/a>
(19) Seagate platter sizes 2.5": https:\/\/rml527.blogspot.com\/2010\/09\/hdd-platter-database-seagate-25.html<\/a>
(20) HGST platter sizes 2.5": https:\/\/rml527.blogspot.com\/2010\/09\/hdd-platter-database-hitachi-25.html<\/a><\/p>\n

\u041f\u0440\u0438\u043c\u0435\u0447\u0430\u043d\u0438\u044f \u043f\u0435\u0440\u0435\u0432\u043e\u0434\u0447\u0438\u043a\u0430<\/p>\n

*)\u041a\u0440\u0430\u0442\u043a\u0430\u044f \u0441\u043f\u0440\u0430\u0432\u043a\u0430 \u0447\u0442\u043e \u0442\u0430\u043a\u043e\u0435 SMR<\/a><\/p>\n

**)Resilver \u2014 \u0438\u0441\u0445\u043e\u0434\u043d\u043e \u201c\u0437\u0430\u043d\u043e\u0432\u043e \u0441\u0435\u0440\u0435\u0431\u0440\u0438\u0442\u044c\u201d \u043f\u0440\u0438 \u0432\u043e\u0441\u0441\u0442\u0430\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0438 \u0437\u0435\u0440\u043a\u0430\u043b\u0430. \u0412 \u043d\u0430\u0441\u0442\u043e\u044f\u0449\u0435\u0435 \u0432\u0440\u0435\u043c\u044f \u0442\u0435\u0440\u043c\u0438\u043d \u0433\u043e\u0440\u0430\u0437\u0434\u043e \u0430\u043a\u0442\u0438\u0432\u043d\u0435\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u0432 \u043e\u0431\u043b\u0430\u0441\u0442\u0438 zfs \u0438 \u043f\u043e\u0434\u043e\u0431\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c\u2026 \u0425\u043e\u0440\u043e\u0448\u0435\u0435 \u043f\u0443\u0431\u043b\u0438\u0447\u043d\u043e \u0434\u043e\u0441\u0442\u0443\u043f\u043d\u043e\u0435 \u0430\u043d\u0433\u043b\u043e\u044f\u0437\u044b\u0447\u043d\u043e\u0435 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u0435<\/a>
Zpool Resilver \u2014 \u044d\u0442\u043e \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u044f \u043f\u043e \u0432\u043e\u0441\u0441\u0442\u0430\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044e \u0447\u0435\u0442\u043d\u043e\u0441\u0442\u0438 \u0432 \u043f\u0443\u043b\u0435 \u043b\u0438\u0431\u043e \u0438\u0437-\u0437\u0430 \u043f\u043e\u0432\u0440\u0435\u0436\u0434\u0435\u043d\u043d\u043e\u0433\u043e \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u0430 (\u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u0434\u0438\u0441\u043a \u043c\u043e\u0436\u0435\u0442 \u0432\u0440\u0435\u043c\u0435\u043d\u043d\u043e \u0432\u044b\u043f\u0430\u0441\u0442\u044c \u0438 \u043d\u0443\u0436\u043d\u043e \u00ab\u043d\u0430\u0432\u0435\u0440\u0441\u0442\u0430\u0442\u044c \u0443\u043f\u0443\u0449\u0435\u043d\u043d\u043e\u0435\u00bb), \u043b\u0438\u0431\u043e \u0438\u0437-\u0437\u0430 \u043d\u0435\u0434\u0430\u0432\u043d\u043e \u0437\u0430\u043c\u0435\u043d\u0435\u043d\u043d\u043e\u0433\u043e \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u0430. <\/i>
\u042f \u0431\u0443\u0434\u0443 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0442\u0440\u0430\u043d\u0441\u043b\u0438\u0442\u0435\u0440\u0430\u0446\u0438\u044e \u201c\u0440\u0435\u0441\u0438\u043b\u044c\u0432\u0435\u0440\u201d.<\/p>\n

***)SMR \u0432\u043e\u043e\u0431\u0449\u0435 \u0438, \u0432 \u0447\u0430\u0441\u0442\u043d\u043e\u0441\u0442\u0438, HA-SMR, \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0430\u043d\u044b \u0431\u0435\u0437 \u0432\u0441\u044f\u043a\u043e\u0439 \u043e\u0433\u043b\u044f\u0434\u043a\u0438 \u043d\u0430 ZFS. \u041f\u043e\u044d\u0442\u043e\u043c\u0443 IMHO \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u0435 \u0430\u0432\u0442\u043e\u0440\u0430 \u043d\u0430\u0434\u043e \u0440\u0430\u0441\u0441\u043c\u0430\u0442\u0440\u0438\u0432\u0430\u0442\u044c \u043a\u0430\u043a \u0447\u0430\u0441\u0442\u0438\u0447\u043d\u043e\u0435, \u043e\u0442\u043d\u043e\u0441\u044f\u0449\u0435\u0435\u0441\u044f \u043b\u0438\u0448\u044c \u043a ZFS \u2014 \u0447\u0442\u043e \u043d\u0435 \u043c\u0435\u043d\u044f\u0435\u0442, \u0432\u043f\u0440\u043e\u0447\u0435\u043c, \u0441\u0443\u0442\u0438. \u041d\u0430\u043f\u043e\u043c\u043d\u044e \u0442\u0430\u043a\u0436\u0435, \u0447\u0442\u043e HM-SMR \u0438 HA-SMR \u0434\u0438\u0441\u043a\u0438 \u0443\u0436\u0435 \u0434\u043e\u0441\u0442\u0443\u043f\u043d\u044b \u043d\u0430 \u0440\u044b\u043d\u043a\u0435 (\u0438 \u0432\u043d\u0435\u0441\u0435\u043d\u044b \u0432 \u0442\u0430\u0431\u043b\u0438\u0446\u0443 \u0432 \u044d\u0442\u043e\u043c \u043f\u043e\u0441\u0442\u0435).<\/p><\/div>\n

\u0441\u0441\u044b\u043b\u043a\u0430 \u043d\u0430 \u043e\u0440\u0438\u0433\u0438\u043d\u0430\u043b \u0441\u0442\u0430\u0442\u044c\u0438 https:\/\/habr.com\/ru\/post\/500214\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"\n

\u0410\u043d\u0433\u043b\u043e\u044f\u0437\u044b\u0447\u043d\u044b\u0439 \u043e\u0440\u0438\u0433\u0438\u043d\u0430\u043b \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0432 \u0444\u043e\u0440\u0443\u043c\u0435 ixsystems<\/a> \u0438 \u0432\u0440\u044f\u0434 \u043b\u0438 \u0448\u0438\u0440\u043e\u043a\u043e \u0438\u0437\u0432\u0435\u0441\u0442\u0435\u043d \u0432\u0441\u0435\u043c, \u043a\u0442\u043e \u043c\u043e\u0436\u0435\u0442 \u0441\u0442\u043e\u043b\u043a\u043d\u0443\u0442\u044c\u0441\u044f \u0441 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u043e\u0439. \u0425\u043e\u0442\u044f \u043e\u0440\u0438\u0433\u0438\u043d\u0430\u043b \u0434\u0430\u0442\u0438\u0440\u043e\u0432\u0430\u043d 16 \u0430\u043f\u0440\u0435\u043b\u044f 2020, \u043e\u043d \u0441\u0441\u044b\u043b\u0430\u0435\u0442\u0441\u044f \u0432 \u0442\u043e\u043c \u0447\u0438\u0441\u043b\u0435 \u043d\u0430 \u0431\u043e\u043b\u0435\u0435 \u043f\u043e\u0437\u0434\u043d\u0438\u0435 \u043f\u0443\u0431\u043b\u0438\u043a\u0430\u0446\u0438\u0438, \u0442\u043e \u0435\u0441\u0442\u044c \u043e\u0431\u043d\u043e\u0432\u043b\u044f\u043b\u0441\u044f.<\/p>\n

\u0416\u0435\u0441\u0442\u043a\u0438\u0435 \u0434\u0438\u0441\u043a\u0438, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0437\u0430\u043f\u0438\u0441\u044b\u0432\u0430\u044e\u0442 \u0434\u0430\u043d\u043d\u044b\u0435 \u0432 \u043f\u0435\u0440\u0435\u043a\u0440\u044b\u0432\u0430\u044e\u0449\u0438\u0445\u0441\u044f,<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-302940","post","type-post","status-publish","format-standard","hentry"],"_links":{"self":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts\/302940","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=302940"}],"version-history":[{"count":0,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts\/302940\/revisions"}],"wp:attachment":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=302940"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=302940"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=302940"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}