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StorageWorks RAID Software for OpenVMS V2.2

Highlights

*  Supports 32 disks in arrays
*  Supports 50 arrays and 20 nodes per OpenVMS Cluster
*  Supports OpenVMS V6.2 on both VAX and Alpha systems
*  Provides migration from POLYCENTER Striping for OpenVMS VAX systems to
   StorageWorks RAID software for OpenVMS systems

Product description

StorageWorks RAID Software for OpenVMS software uses RAID technology to
manage groups of disk drives as arrays. The product supports RAID level 0
for enhanced I/O performance and RAID level 5 for enhanced data availability
on both VAX and Alpha platforms.  Both single-hosted systems and OpenVMS
Cluster systems are supported.

Migration options

StorageWorks RAID is the replacement product for the POLYCENTER Striping
product. Any user with a valid POLYCENTER Striping license will be licensed
automatically to run the RAID level 0 (striping) portion of the StorageWorks
RAID product. Digital is also offering current POLYCENTER Striping users a
limited time offer to upgrade to StorageWorks RAID (full functionality) for
half price.

Benefits

*  StorageWorks RAID supplies all the performance and data protection of
   level 0 and RAID level 5 without the need to purchase additional
   hardware. This host-based software uses existing hardware.
*  RAID level 0, also know as "disk striping,O balances the I/O workload
   across multiple disks in a RAID array. The net result is higher I/O
   performance from existing disks.
*  RAID level 5, "striping with parity,O is an economical way to protect
   data from disk failure. It uses the equivalent of one disk to safeguard
   the data in the array. It also offers hot-swap of failed array members,
   on-the-fly error correction, and protection against undetectable data
   corruption.

Availability and ordering

StorageWorks RAID for OpenVMS V2.2 will be available in September 1995. To
be eligible to purchase a license with universal product identifier 3AX,
users must be in possession of a valid POLYCENTER Striping license for the
VAX processor on which the 3AX license will be used. By purchasing a 3AX
license, users relinquish support rights under the POLYCENTER Striping
license, exchanging it for the StorageWorks RAID software license, receiving
both RAID 0 and RAID 5 capabilities.

Order No.   Description

            StorageWorks RAID for OpenVMS
            VAX:
QL-0MHAB-AA Workgroup License
QL-0MHAB-RA Workgroup Update License
QL-0MHA2-AA Departmental License
QL-0MHA2-RA Departmental Update License
QL-0MHA5-AA Enterprise License
QL-0MHA5-RA Enterprise Update License
QL-0MHA9-   30/90-day Loan
 LA/LB
QL-0MHA9-   60/180-day Loan
LD/LG

            StorageWorks RAID for OpenVMS
            Alpha:
QL-2YFAE-AA Workgroup License
QL-2YFAE-RA Workgroup Update License
QL-2YFAG-AA Departmental License
QL-2YFAG-RA Departmental Update License
QL-2YFAQ-AA Enterprise License
QL-2YFAQ-RA Enterprise Update License

QL-2YFA9-   30/90-day Loan
 LA/LB
QL-2YFA9-   60/180-day Loan
 LD/LG

            StorageWorks RAID for OpenVMS:
QL-0MGAA-3B Concurrent License
QL-0MGAA-5B Concurrent Update License

            POLYCENTER Striping to StorageWorks RAID Migration for VAX
            Systems:
QL-3AXAB-AA Workgroup Migration License
QL-3AXA2-AA Departmental Migration License
QL-3AXA5-AA Enterprise Migration License

            MEDIA AND DOCUMENTATION:
QA-0MGAA-GZ Documentation Kit
QA-0MGAA-H5 TK50 Kit
QA-0MGAA-H8 CD-ROM Kit
QA-0MGAA-HM 16MT9 Kit

Services

Standard software services are available for StorageWorks RAID Software for
OpenVMS systems. Users who wish to purchase service for 3AX licenses should
purchase the corresponding service for product UPI 0MH. Services include
Layered Product services with the appropriate system service contract, and
Media and Documentation Distribution Service. This product is user
installable.

Technical data

Users who desire to use this software and are currently using either
POLYCENTER Striping or DEC Disk Striping software should be aware that a
conversion is required. StorageWorks RAID software RAID level 0 arrays are
not compatible with prior stripesets.

In general, the user must:

*  Backup the data from each existing stripeset.
*  Unbind the stripeset and rebind it as a StorageWorks RAID software RAID
   level 0 array.
*  Restore data to the StorageWorks RAID array.

Refer to SPD 46.49 for supported OpenVMS versions.