LSI 3ware SAS 9750-8i Uživatelská příručka stáhnout pdf (Strana 136)

Configuring Units

124 3ware SATA+SAS RAID Controller Card Software User Guide, Version 10.0

redistribution process is a background task, similar to the rebuild or verify

processes.

Figure 57 shows an example of how data is reconfigured during a migration.

In this example, the migration is from a 3-drive RAID 0 to a 4-drive RAID 5,

with both having the same stripe size. As can be seen, every piece of user data

is moved from its original physical location.

Figure 57. RAID Level Migration Example

Typically, a unit is reconfigured with the same or more storage capacity.

Sometimes additional drives are added. The following table shows valid

reconfigurations, some of which will require the addition of more drives.

Table 10: Valid Migration Paths

Destination

Source R0 R1 R5 R6 R10 R50 Single Spare

Yes No Yes Yes Yes Yes No No

Yes No Yes Yes Yes Yes Yes No

Yes No Yes Yes Yes Yes No No

R10

Yes No Yes Yes Yes Yes No No

R50

Yes No Yes Yes Yes Yes No No

Single

Yes Yes Yes Yes Yes Yes No No

Spare

No No No No No No No No

1 2 ... 131 132 133 134 135 136 137 138 139 140 141 ... 341 342

Vikivzn 04 Jan 2024 | 17:05:44

urenrjrjkvnm

Evazoy 07 Jan 2024 | 01:42:43

Med

Renatimzn 07 Jan 2024 | 09:55:43

urenrjrjkvnm

Davidvmm 10 Jan 2024 | 11:36:21

coin

Davidefb 11 Jan 2024 | 11:24:30

coin

Viktorijsw 11 Jan 2024 | 19:38:33

Cinema

LSI 3ware SAS 9750-8i Uživatelská příručka Strana 136