AMR_MAX_UNITS
if (aex->ae_numldrives > AMR_MAX_UNITS) {
AMR_MAX_UNITS, amr->amr_numdrives);
amr->amr_numdrives = AMR_MAX_UNITS;
if (ae->ae_ldrv.al_numdrives > AMR_MAX_UNITS) {
ae->ae_ldrv.al_numdrives, AMR_MAX_UNITS);
amr->amr_numdrives = AMR_MAX_UNITS;
struct amr_logdrive amr_drive[AMR_MAX_UNITS];