Mds Utilities; Hsm (Hierarchical Storage Management); Hsm Utilities - Oracle Video server Manual

Oracle Video Server (OVS)

MDS Utilities

The OVS provides a group of general operating system command line utilities that
allow you to perform standard file operations on files and volumes in the MDS.
More specialized MDS utilities include:
MDS utilities accept wildcard specifications as general operating system command-
line utilities do.

HSM (Hierarchical Storage Management)

The MDS is part of the HSM (hierarchical storage management) supported by the
OVS that stores data in:
You can store large numbers of files in a tertiary tape archive.
HSM Utilities The OVS provides HSM utilities that enable you to:
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tape archival utility—enables you to archive, backup, and retrieve a group of
files to and from a single archive file in tape archive (TAR) format or a sequence
of tapes in an Exabyte stacker
defragmenter utility—allows you to defragment volumes to reduce wasted
space without taking the OVS offline
rebuild utility—enables you to:
replace a failed disk and rebuild data onto the replacement while the MDS
delivers video, if your operating system supports hot-swapping disks, or to
rebuild data from a failed disk onto a spare disk from redundantly stored
data while the MDS plays video, or to
take the OVS offline, replace a failed disk, and rebuild data onto the
replacement
• memory (primary storage)
• MDS volumes on disk (secondary storage)
• a tape archive (tertiary storage)
load files from tertiary storage to the MDS before clients need to access them
archive files from the MDS to tertiary storage if clients will not need them for a
period of time, to make room in the MDS for other files