#define DRIVE_SIZE_GB 300 #define MTBF_YEARS 2 #define MTTR_HOURS_NO_SPARE 48 #define MTTR_HOURS_SPARE 8
#define NUM_BAYS 10 - can have 3 (2+1) w/ 1 spares providing 1800 GB with MTTDL of 243.33 years - can have 2 (4+1) w/ 0 spares providing 2400 GB with MTTDL of 18.25 years - can have 1 (8+1) w/ 1 spares providing 2400 GB with MTTDL of 60.83 years - can have 1 (8+2) w/ 0 spares providing 2400 GB with MTTDL of 370.07 years #define NUM_BAYS 11 - can have 2 (4+1) w/ 1 spares providing 2400 GB with MTTDL of 109.50 years - can have 1 (8+2) w/ 1 spares providing 2400 GB with MTTDL of 13322.50 years wow, from 370.07 years to 13322.50 years by adding a spare? _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
