Xendata X1 Archive Appliance for mTape/mRack

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X1 Archive Appliance - Supports mTape or single drive mRack
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Overview: Small yet Powerful

The X1 Archive Appliance manages one or more LTO external drives

and delivers powerful functionality in a small footprint. It runs Windows

10 Pro and is powered by XenData’s LTO Server Edition and FS Mirror


The archive appears locally as a single logical drive – the X: drive. And

there are multiple ways to write to and restore files from it:

Share the X: drive over your network and write to it and restore

from it like any disk-based share.

Use FS Mirror to synchronize one or more locally accessible file

systems or file shares to the LTO archive.

Use FS Mirror to create archive drop-boxes on your network

that automatically move files to the archive.

Use third party applications that integrate with XenData’s XML

API to archive and restore files.

mLogic mTape drives connect to the X1 via Thunderbolt 3.

The X1 securely integrates into your existing environment. It conforms to

the Microsoft security model based on Active Directory and may be

easily added to an existing Domain or Workgroup.


Highlighted Functionality


Manages one or more mLogic mTape

LTO drives, creating an archive that

can be accessed locally or via a

network share

Other file systems on your network

may be mirrored to the LTO archive

Supports creation of archive dropboxes on your network

Manages an unlimited number of LTO

cartridges and up to 2 billion files

Supports file transfers that span

across cartridges

Automatic cartridge replication when

using two or more LTO drives

Writes to LTO in LTFS or TAR

Runs Windows 10 Pro

1.92 TB SSD cache enhances


Network connection via 1 Gigabit

ethernet or wireless

End to end logical block protection

provides checksum verification

Includes a Cloud File Gateway for

sharing content via cloud object


Provides tape contents and file

search reports

Tightly integrated with many

complementary applications.


Archiving Files: SSD Cache Enhances Performance


All files written to the archive are first stored on the high performance internal 1.92 TB SSD. This is used as a highly flexible cache. After a file is written to the SSD cache, user-defined policies then determine how that file will be treated by the system. For example, you can define policies that write temporary files ending in ‘.tmp’ only to the SSD, never writing them to LTO. Whereas, all other files are first cached on the SSD and then written to LTO. When a file has been successfully written to LTO and is no longer stored on the SSD cache, it is converted to a stub file. This is a representation of the file that takes minimal space on the SSD. The stub file appears in the archive file-folder structure with the same properties as the full file - with the same name, path, creation date, modified date, size, etc. But there is one property that changes: this is the Windows offline attribute which is set. It indicates that the file is no longer instantly available from disk and is used by other Windows machines in a networked environment to prevent time-outs when restoring files. File Explorer displays an icon overlay for files that have the offline attribute set, as shown opposite. The user-defined policies also define cache retention times. This is the duration after the file was written or last read before it is converted to a stub file. As an example, you might want to write index files to LTO and additionally keep them permanently on the SSD cache. But all other files should be converted to stub files as soon as they are securely written to LTO. Policies such as these are easily implemented on the X1.


Intelligently Managed Storage Hierarchy The X1 supports three tiers of storage hierarchy:

Online disk with one instance of a file on the SSD cache and, in addition, there will typically be an instance on LTO. In this case, the file will be read from the SSD. Near-line LTO with an instance of the file on an LTO cartridge loaded in an attached drive and no instances on the SSD cache. When a file on near-line LTO is read, the XenData software will wind the tape to the beginning of the file from where it is restored automatically. Offline LTO with no instance on the SSD cache and one or more instances of the file on LTO cartridges, none of which are loaded in an attached LTO drive. When an application reads a file that is on the SSD cache or on an LTO cartridge loaded in an attached drive, the file will be restored automatically, just like being read from disk. Of course, there will typically be a delay when restoring from near-line LTO as the tape is wound to the beginning of the file. When a user attempts to read a file that is offline, a message is returned immediately that identifies that the file is not available. In addition, the X1 will issue an on-screen message or send an email alert identifying the name of the LTO cartridge that contains it. After importing the cartridge into an attached LTO drive, the read request should be repeated.


Cartridge Formats:

LTFS and TAR The X1 supports both LTFS (Linear Tape File System) and TAR (Tape ARchive) cartridge file system formats. These formats define how data is written to the tape. When configuring a new group of LTO cartridges, the user selects either TAR or LTFS as the cartridge file system format. In either case, the file restored from the system is identical to the original archived file. For example, if an MXF file is written to the archive, the same MXF will be restored. The choice of cartridge file system format is important when transferring cartridges from one system to another. The LTFS format was developed by IBM and announced in 2010. Since then, it has been widely adopted, making it an exchange standard which allows cartridges to be moved between systems created by different vendors. LTFS tapes written on other systems, including non-XenData systems, are easily imported into the X1 archive file system. The X1 is compatible with both standard rewritable LTO cartridges and unalterable WORM cartridges. The TAR format is used with WORM cartridges as LTFS is intended for rewritable tapes and does not support WORM.


Sync Network Volumes and Create Archive Drop-Boxes


The X1 includes FS Mirror, a XenData utility that provides file-folder synchronization and mirroring functionality. You can schedule tasks to sync any accessible file-folder structures to LTO. Furthermore, you can turn any accessible folder on your network into an archive drop-box, whereby files written to these folders will be automatically moved to the X1 archive. FS Mirror tasks are easily configured using the User Interface illustrated opposite. By enabling logging for an FS Mirror task, a log report is created each time the task is run. This can list all files copied, all deleted files and any files that were skipped due to being open. An example log report is shown here.


Spanning File Transfers Across Tapes


The X1 supports file transfers that span multiple LTO cartridges. It does this using the internal 1.92 TB SSD: after an LTO cartridge becomes full, the SSD temporarily stores new files written to the system and these are then written to the next tape after the full tape is swapped for a blank tape.


End-to-End Logical Block Protection


End to end logical block protection is a technology that allows XenData software to cooperate with a tape drive to ensure data integrity. The software calculates a checksum for each block of data as it reads a file and sends the checksums to the tape drive alongside the data. The tape drive performs a read-after-write verification operation and calculates its own checksum from the data stored on the tape, then compares the two checksums to ensure that the data written to the tape matches the original data. The checksum is also used by the LTO drive to verify the integrity of every block of restored data. In summary, end-to-end logical block protection provides an effective method to ensure the integrity of all archived and restored files.


Cloud File Gateway


The X1 allows files to be stored on cloud object storage in addition to LTO. Supported public clouds include AWS S3, Azure Blob Storage and Wasabi S3. This complements the on-premises LTO storage and may be used for the following: Sharing files with remote sites. Instantly copy files to an offsite cloud location for data protection purposes. Storing your X1 metadata backups The Cloud File Gateway is licensed to manage up to 1 TB of cloud object storage. The Gateway license may be upgraded to support larger volumes of cloud storage.


Reports – Simplifying Archive Management


The X1 provides reports that simplify management of your LTO archive: Report Description LTO Cartridge Contents Including deleted and overwritten files on a selected cartridge Unarchived Files Lists files on SSD cache that are not written to LTO but should have been File Search Lists LTO cartridges for files that meet search terms


Metadata Backup


A scheduled metadata backup and restore utility is provided. This allows rapid system restore in case of a hardware failure.


LTO Drive Compatibility


The X1 is compatible with mTape Thunderbolt 3 LTO archiving solutions from mLogic. Mounting Options The X1 comes with a Versa 75 or 100 mounting adapter for attaching to the rear of a computer monitor, as illustrated below. Alternatively, it can be used free standing, as shown opposite where it is connected via Thunderbolt to an LTO-8 drive from mLogic.

X1 Specification Base Configuration

XenData SKU 237001

Management software:

XenData Archive Series, LTO Server Edition

XenData Cloud File Gateway Extension

XenData FS Mirror

Licensed number of LTO drives: 1

Licensed number of external LTO cartridges:Unlimited

Licensed Cloud File Gateway Capacity: 1 TB

Operating system: Microsoft Windows 10,Professional Edition

Processor: Intel Quad-Core 8th Generationi5-8259U processor

Graphics: Iris Plus Graphics 655

RAM: 16 GB

System disk: 256 GB M.2

Cache disk: 1.92 TB SSD

Network ethernet connection: 1 x RJ45connector; 1 Gigabit

Network wireless connection: Intel DualBand Wireless-AC 9560

Bluetooth: Intel Bluetooth 5.0

USB connections: 2 x USB 3.1 including onecharging (front mounted)

2 x USB 3.1 (rear mounted)

Thunderbolt connection 1 x Thunderbolt 3USB Type-C port

with data transfer up to 40 Gb/s

Display connection: HDMI 2.0a display portsupporting 8 channel audio

(7.1 surround sound)

Audio out: Front panel headphone/microphonejack

Microphone: Dual-array front microphones

Power: 19V, 90W

Included power brick voltage range: 100 240 V

Operation temperature: 32-104F (0C -40C)

Dimensions (HxWxD): 2.01 x 4.60 x 4.40(51 mm x 117 mm x 112 mm)

Weight: 1.5 lbs. (0.68 Kg)

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