IRIG-106 Chapter 10 “Segregated Recording”

This information is the property of Embraer and cannot be used or reproduced without written consent. EMBRAER Requirements in Chapter 10 Multiple simultaneous recordings in a single or multiple physical drives segregated as follows: a) One recording file per Channel ID -OR- b) One recording file per Group of Channel IDs -OR- c) One recording file per Channel ID/Data_Type -OR- d) One recording file per Group of Channel ID/Data_Type

This information is the property of Embraer and cannot be used or reproduced without written consent. Option 1 Multiple physical drives, STANAG 4575 file system, one volume per drive, one directory per volume, one file per directory: DRIVE 1 VOL 1 DIR 1 FILE 1 STREAM 1 DRIVE 1 VOL 1 DIR 1 FILE 1 STREAM 2 Currently supported

This information is the property of Embraer and cannot be used or reproduced without written consent. Option 2 Single physical drive, STANAG 4575 file system, one volume per drive, one directory per volume, multiple files per directory: DRIVE 1 VOL 1 DIR 1 FILE 1 STREAM 1 FILE 2 STREAM 2 BLKS 1 to N BLKS N+1 to EOD Files need to be contiguously pre- allocated and cannot be extended

This information is the property of Embraer and cannot be used or reproduced without written consent. Option 3 Single physical drive, virtual mapping of STANAG 4575 file system, one volume per drive, one directory per volume, multiple files per directory: DRIVE 1 VOL 1 DIR 1 FILE 1 STREAM 1 FILE 2 STREAM 2 VOL 1 DIR 1 FILE 1 FILE 2 VIRTUAL MAPPING BLKS 1 to N BLKS N+1 to EOV A dedicated processing is required to let the non- contiguous files in the actual physical drive appear contiguous to the STANAG 4575 file system

This information is the property of Embraer and cannot be used or reproduced without written consent. Option 4 Single physical drive, multiple partitions, STANAG 4575 file system, one volume per partition, one directory per volume, one file per directory: PARTITION 1 VOL 1 DIR 1 FILE 1 STREAM 1 VOL 1 DIR 1 FILE 1 STREAM 2 DRIVE 1 PARTITION 2 Drive partitioning is not supported

This information is the property of Embraer and cannot be used or reproduced without written consent. Summary Option 1 (multiple physical drives): Currently supported in Chapter 10; Size/Weight/Power/Cost may be an issue. Option 2 (multiple contiguously pre-allocated files on a single physical drive): Need planning in advance; May require some additional wording in Chapter 10. Option 3 (virtual mapping of STANAG 4575 file system): No standard solution; Cost may be an issue. Option 4 (physical drive partitioning): Not allowed in Chapter 10.

This information is the property of Embraer and cannot be used or reproduced without written consent. End Any suggestions?

This information is the property of Embraer and cannot be used or reproduced without written consent. Sérgio Duarte Penna (Flight Test Instrumentation) Phone: