EMC Symmetrix DMX-3 Product Guide
12
Figures
Title Page
30 Destaging operation...................................................................................... 112
31 TBC LRU function......................................................................................... 119
32 Logical volume mapping (8:1) .................................................................... 128
33 Concatenated volumes................................................................................. 130
34 Striped data.................................................................................................... 130
35 SMC migration dialog step 1....................................................................... 142
36 SMC migration dialog step 2....................................................................... 143
37 SMC migration dialog step 3....................................................................... 144
38 Fibre Channel back-end redundancy......................................................... 167
39 Symmetrix DMX dual-initiator example................................................... 169
40 Data record format for conventional DASD ............................................. 176
41 Symmetrix data record format.................................................................... 177
42 RAID 10 with Dynamic Mirror Service Policy.......................................... 196
43 RAID 5 data/parity (3+1) ............................................................................ 199
44 Writing data in RAID 5 normal mode ....................................................... 201
45 Reading data in RAID 5 normal mode ...................................................... 202
46 RAID 6 (6+2) data/parity layout................................................................ 208
47 RAID 6 (14+2) ................................................................................................ 209
48 Permanent sparing process.......................................................................... 215
49 Dynamic sparing process............................................................................. 217
50 Dynamic sparing with locally mirrored pairs .......................................... 219
51 Dynamic support of Parallel Access Volumes.......................................... 232
52 Supported ESCON logical paths per port ................................................. 234
53 Supported FICON logical paths per port .................................................. 235
54 PPRC and GDPS support............................................................................. 236
55 XRC overview................................................................................................ 237
56 z/OS IEA480E service alert error message format
(AC power failure)........................................................................................ 246
57 z/OS IEA480E service alert error message format
(mirror-1 volume in “not ready” state)...................................................... 247
58 z/OS IEA480E service alert error message format
(mirror-2 resynchronization)....................................................................... 247
59 z/OS IEA480E service alert error message format
(mirror-1 resynchronization)....................................................................... 248
60 Typical console error message .................................................................... 251
61 Power connections........................................................................................ 270
62 EMC model number DMX3-PCBL3DHR cable description................... 272
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