Question 1

Does HA AVFS supports Active and Open Directory?

Accepted Answer

AD, OD user names can be imported and be kept synchronized. Authentication is via AD or OD. Access rights and other attributes for these users are created and managed in AVFS.

Question 2

Does HA AVFS supports other protocols then iSCSI/AVFS?

Accepted Answer

HA AVFS runs on Linux and support SMB. It includes the standard up to date Linux SMB server, which internally in the Dual DDP Head is connected via iSCSI. When SMB is used both data and metadata is routed via the Dual DDP Head while iSCSI/AVFS access the data in parallel. When using SMB scale out and transparent data failover is not supported.

Question 3

Is HA AVFS available as a file system for third party and OEM usage?

Accepted Answer

Yes but only installed on a dual DDP Head. A Dual DDP Head can be purchased in combination with capacity depending licensing costs for example to replace a third party file system in an existing situation with existing storage systems.

Question 4

How about a Cluster?

Accepted Answer

AVFS in combination with a Dual DDP Head can be used to cluster iSCSI, FC and Infiniband storage systems although the preferred protocol is iSCSI. The systems then function as data containers managed by AVFS.

Question 5

How about HA AVFS and Security?

Afra de Wit · Accepted Answer

HTTPS and two-factor authentication can be used for logon. AVFS file system remains in the DDP separate from the data and is never exposed to desktops. Operators only get to see a representation required for the Folder Volume mounted. AVFS and iSCSI can be physically separated using different network ports and subnets. Also hardware based hard disk encryption can be used when proper hard disks are used. AVFS is ISO 27001 and MPAA compliant. Auditing information is assembled during operation and does not need to be generated afterwards.

Question 6

How about HA DDP for Play out?

Flowingweb · Accepted Answer

The play out should always go on. Therefore it is best to play out from SSD cache and cache material needed for play out using pinned so that it is available in time in the cache.

Question 7

How about HA DDP for Ingest?

Flowingweb · Accepted Answer

Ingest should continue uninterrupted no matter what with the media securely stored. Possible interruption can come from hard and software and hard disks issues. HA DDP assures that when there is hard or software failure ingest during a fail over continuous without hick up. In addition a Data Location can be optionally kept aside which can be used when one of the disks within a Data Location becomes too slow.

Question 8

How about HA DDP for MAM?

Flowingweb · Accepted Answer

HA DDP fails over transparent for users including MAM servers. DDP uses a single file system with one directory/folder tree. If the MAM server connects with ddpvolume there are just (sub)folders to consider. AVFS also supports hard-links. Hard-links in combination with the single file system is ideal for MAM systems. Also without workflow interruption bandwidth and or capacity can be increased or maintenance can be done.

Question 9

Why ACLs per directory/folder?

Flowingweb · Accepted Answer

Almost all file systems have an ACL per file per user. AVFS uses ACLs per folder per user. For almost all activity in the M & E industry the property of a directory/folder is leading. Having ACL on directories/folders simplifies handling of access rights.

Question 10

Does AVFS support hard-links?

Afra de Wit · Accepted Answer

Various MAM applications benefit when a storage system supports hard-links. AVFS will support hard-links. Both hard-links and the single file system allow MAM and other applications to optimally use hard-links in their workflow.

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