摘要:
A method is used in managing properties collection. Storage objects for which properties information is to be refreshed are determined. A bulk request for properties information from file systems corresponding to the storage objects is generated and is issued to the file systems. Based on a response to the bulk request, a blocking transaction is used to update a model of the storage objects that is made available to management software.
摘要:
A method allows point-in-time viewing of session data for multiple sessions being stored on a disk. Session bits are set for the session data in memory which points to the data at any particular point in time, and this can be done for multiple sessions. In order to make the session data persistent, separate session bits are stored in a portion of a disk reserved for such session bits. Thus, in the event of failure where session bits which are stored in volatile memory such as RAM, are lost, the duplicate copy set in the non-volatile memory can be used to recreate the session once the failure is corrected.
摘要:
A method of creating point-in-time views of data on a disk involves initiating from a host at least one session of writing data to a disk. For each session, an entry is created and stored on an array on the disk. The sessions are assigned unique IDs to each, and provide indications where data for a particular session may be found on the disk.
摘要:
A method is used in managing consistency groups in storage systems. A consistency group is created from a set of snapshot mount points. A snapshot mount point is a logical object accessible for using a replica of a logical volume. An operation is performed on the consistency group.