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Snapdrive for Unix

Guidelines for the storage connect command

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You need to follow few guidelines to use the snapdrive storage connect command.

Storage that includes LVM entities has special requirements. To use the snapdrive storage connect command to connect LVM entities, you must create the storage so that each entity in the storage hierarchy has exactly one instance of the next entity. For example, you can use the snapdrive storage connect command to connect a storage hierarchy that has one disk group (dg1) with one host volume (hostvol1) and one file system (fs1). However, you cannot use the snapdrive storage connect command to connect a hierarchy that has one disk group (dg1) with two host volumes (hostvol1 and hostvol2) and two file systems (fs1 and fs2).

On Linux hosts, the snapdrive storage connect command connects a file system created directly on a LUN only when the underlying LUN is partitioned.

Note With SLES10 update 2, SnapDrive for UNIX snapdrive storage connect and snapdrive storage create command creates a file system directly on a LUN. SnapDrive for UNIX creates a file system on the raw device and then mounts it.