| Kconfig (dd172d72addefd89795e819cc2cc3eb1b9d12a7f) | Kconfig (685784aaf3cd0e3ff5e36c7ecf6f441cdbf57f73) |
|---|---|
| 1# 2# Block device driver configuration 3# 4 5if BLOCK 6 7menu "Multi-device support (RAID and LVM)" 8 --- 95 unchanged lines hidden (view full) --- 104 105 ftp://ftp.kernel.org/pub/linux/utils/raid/mdadm/ 106 107 If unsure, say Y. 108 109config MD_RAID456 110 tristate "RAID-4/RAID-5/RAID-6 mode" 111 depends on BLK_DEV_MD | 1# 2# Block device driver configuration 3# 4 5if BLOCK 6 7menu "Multi-device support (RAID and LVM)" 8 --- 95 unchanged lines hidden (view full) --- 104 105 ftp://ftp.kernel.org/pub/linux/utils/raid/mdadm/ 106 107 If unsure, say Y. 108 109config MD_RAID456 110 tristate "RAID-4/RAID-5/RAID-6 mode" 111 depends on BLK_DEV_MD |
| 112 select XOR_BLOCKS |
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| 112 ---help--- 113 A RAID-5 set of N drives with a capacity of C MB per drive provides 114 the capacity of C * (N - 1) MB, and protects against a failure 115 of a single drive. For a given sector (row) number, (N - 1) drives 116 contain data sectors, and one drive contains the parity protection. 117 For a RAID-4 set, the parity blocks are present on a single drive, 118 while a RAID-5 set distributes the parity across the drives in one 119 of the available parity distribution methods. --- 137 unchanged lines hidden (view full) --- 257 Allow volume managers to support multipath hardware. 258 259config DM_MULTIPATH_EMC 260 tristate "EMC CX/AX multipath support (EXPERIMENTAL)" 261 depends on DM_MULTIPATH && BLK_DEV_DM && EXPERIMENTAL 262 ---help--- 263 Multipath support for EMC CX/AX series hardware. 264 | 113 ---help--- 114 A RAID-5 set of N drives with a capacity of C MB per drive provides 115 the capacity of C * (N - 1) MB, and protects against a failure 116 of a single drive. For a given sector (row) number, (N - 1) drives 117 contain data sectors, and one drive contains the parity protection. 118 For a RAID-4 set, the parity blocks are present on a single drive, 119 while a RAID-5 set distributes the parity across the drives in one 120 of the available parity distribution methods. --- 137 unchanged lines hidden (view full) --- 258 Allow volume managers to support multipath hardware. 259 260config DM_MULTIPATH_EMC 261 tristate "EMC CX/AX multipath support (EXPERIMENTAL)" 262 depends on DM_MULTIPATH && BLK_DEV_DM && EXPERIMENTAL 263 ---help--- 264 Multipath support for EMC CX/AX series hardware. 265 |
| 265config DM_MULTIPATH_RDAC 266 tristate "LSI/Engenio RDAC multipath support (EXPERIMENTAL)" 267 depends on DM_MULTIPATH && BLK_DEV_DM && EXPERIMENTAL 268 ---help--- 269 Multipath support for LSI/Engenio RDAC. 270 | |
| 271config DM_DELAY 272 tristate "I/O delaying target (EXPERIMENTAL)" 273 depends on BLK_DEV_DM && EXPERIMENTAL 274 ---help--- 275 A target that delays reads and/or writes and can send 276 them to different devices. Useful for testing. 277 278 If unsure, say N. 279 280endmenu 281 282endif | 266config DM_DELAY 267 tristate "I/O delaying target (EXPERIMENTAL)" 268 depends on BLK_DEV_DM && EXPERIMENTAL 269 ---help--- 270 A target that delays reads and/or writes and can send 271 them to different devices. Useful for testing. 272 273 If unsure, say N. 274 275endmenu 276 277endif |