一个vxvm参数问题

wsb587

请问在vxvm中创建磁盘时有三种类型：\"simple\" and  \"cds\" and \"sliced\"有何区别？谢谢回答！

东方蜘蛛

A disk’s type identifies how VxVM accesses a disk, and how it manages the disk’s private and public regions. The following disk access types are used by VxVM: \r\nsliced The public and private regions are on different disk partitions. \r\nsimple The public and private regions are on the same disk area (with the public area following the private area). \r\nnopriv There is no private region (only a public region for allocating subdisks). This is the simplest disk type consisting only of space for allocating subdisks. Such disks are most useful for defining special devices (such as RAM disks, if supported) on which private region data would not persist between reboots. They can also be used to encapsulate disks where there is insufficient room for a private region. The disks cannot store configuration and log copies, and they do not support the use of the vxdiskaddregion command to define reserved regions. VxVM cannot track the movement of nopriv disks on a SCSI chain or between controllers. \r\nauto When the vxconfigd daemon is started, VxVM obtains a list of known disk device addresses from the operating system and configures disk access records for them automatically.

东方蜘蛛

Auto-configured disks (with disk access type auto) support the following disk formats: \r\ncdsdisk The disk is formatted as a Cross-Platform Data Sharing (CDS) disk that is suitable for moving between different operating systems. This is the default format for disks that are not used to boot the system.Typically, most disks on a system are configured as this disk type. However, it is not a suitable format for boot, root or swap disks, nor for mirrors or hot-relocation spares of such disks. \r\nsimple The disk is formatted as a simple disk that can be converted to a CDS disk.\r\nsliced The disk is formatted as a sliced disk. This format can be applied to disks that are used to boot the system. The disk can be converted to a CDS disk if it was not initialized for use as a boot disk.

wsb587

Detailed! I see.thanks for your reply...