search for: arc_buf_hdr

I?m trying to understand the inner workings of the adaptive replacement cache (arc). I see there are arc_bufs and arc_buf_hdrs. Each arc_buf_hdr points to an arc_buf_t. The arc_buf_t is really one entry in a list of arc_buf_t entries. The multiple entries are accessed through the arc_buf_t?s b_next member. Why does the arc_buf_hdr point to a list of arc_buf_ts and not just one arc_buf_t, i.e., how and why do multiple arc...

I have some questions about the choice of SSDs to use for ZIL and L2ARC. I''m trying to build an OpenSolaris iSCSI SAN out of a whitebox system, which is intended to be used as a backup SAN during storage migration, so it''s built on a tight budget. The system currently has 4GB RAM, 3GHz Core2-Quad and 8x 500GB WD REII SATA HDDs attached to an Areca 8port ARC-1220 controller