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Diagrama de bloco ZFS com ZIL/Cache/SpecialDev

Daniel Sato edited this page 2025-10-09 16:43:13 -03:00

               +-------------------+
               |     Aplicações    |
               +--------+----------+
                        |
                        v
               +-------------------+
               |    Memória RAM    |
               |      (ARC)        |
               +---+----------+----+
                   |          |
                   |          | Cache Hit (leitura)
                   |          +-----------------------------+
                   |                                        |
            Write Cached                              Read Cached
                   |                                        |
                   v                                        v
           +-------+---------+                    +----------+----------+
           |      ZFS Layer  |<------------------|   L2ARC (SSD Cache) |
           +--+----+-----+---+                    +----------+----------+
              |    |     |                                   |
   +----------+    |     +--------------------+              |
   |               |                          |              |
+--v-----+   +-----v-------+       +----------v--------+     |
|  LOG   |   |   L2ARC     |       |  SPECIAL DEVICE   |     |
| (SLOG) |   | (SSD Cache) |       | (Metadata/Small   |<----+
|        |   |             |       |   Files - SSD)    |
+--+-----+   +------+------|       +----------+---------+
   |                |                        
   |                |                        
+--V----------------V------------------------------------+
|               ZFS Pool (HDDs / VDEVs / Stripes)        |
|     (Armazena os dados reais e arquivos grandes)       |
+--------------------------------------------------------+