Multiple Archives Per Medium
BackupEDGE 3.x - Multiple Archives Per Medium
BackupEDGE 3.x handles multiple archives per medium on more storage types (Resources) than any other product. Each archive is fully disaster recovery capable, and each is indexed for Instant File Restore or Fast File Restore (tape).
FTP / FTPS Resources - Type is URL
BackupEDGE stores as many archives on the Resource as will fit within the defined Quota, using Retention Time and Lazy Reclamation.
NFS Backup Resources - Type is FSP
BackupEDGE stores as many archives on the Resource as will fit within the defined Quota, using Retention Time and Lazy Reclamation.
CIFS Backup Resources - Type is FSP
BackupEDGE stores as many archives on the Resource as will fit within the defined Quota, using Retention Time and Lazy Reclamation.
S3-Compatible Cloud Resources - Type is S3CLOUD
BackupEDGE stores as many archives on the Resource as will fit within the defined Quota, using Retention Time and Lazy Reclamation.
SharpDrive Removable Disk Resources - Type is SDRIVE
BackupEDGE stores as many archives on the Resource as will fit within the defined Quota, using Retention Time and Lazy Reclamation.
Legacy Removable Disk Resources - Type is FSP
BackupEDGE stores as many archives on the Resource as will fit within the defined Quota, using Retention Time and Lazy Reclamation.
Optical Media Resources - Types is OPTICAL
BackupEDGE has two different behaviours depending on whether:
- The medium chosen is capable of multiple archives per medium.
- The Resource is set to support multiple archives per medium.
The following media types support multiple archives per medium. All other optical types support one archive per medium only.
| Medium | Supports Multiple Archives per Medium |
|---|---|
| Blu-ray Disc BD-RE Re-writable |  YES |
| DVD-RAM Re-writable | YES |
Here are the behaviours when using media capable of multiple archives per medium.
| Optical Drives | ||
|---|---|---|
| Multiple Archives Per Medium Setting | ||
| YES | NO | |
| Backups use any spare space on the media, deleting expired backups only as necessary - If media fills with unexpired archives, a new volume will be prompted for |
Attempt to re-use medium before expiration date - Backup will FAIL |
|
| Attempt to re-use medium after prior archive expiration date: - Backup will start at beginning of medium |
||
| Attempt to backup multiple Domains per Schedule: - Backups use any spare space on the media, deleting expired backups only as necessary - If media fills with unexpired archives, a new volume will be prompted for |
Attempt to backup multiple Domains per Schedule: - Backup will prompt for a new volume at the end of the first Domain |
|
Tape Drive Resources - Type is Tape
Modern tape drives are fully capable of multiple archives per medium. Here are the behaviours depending on the multiple archives per medium setting.
| Tape Drives | |||
|---|---|---|---|
| Multiple Archives Per Medium Setting | |||
| YES | NO | ||
| Backup will always be appended to the tape at the end of the last unexpired archive - If ALL archives are expired, backup will start at beginning of tape - If tape fills with unexpired archives, a new volume will be prompted for |
Attempt to re-use medium before prior archive expiration date - Backup will FAIL |
||
| Attempt to re-use medium after prior archive expiration date: - Backup will start at beginning of medium |
|||
| Attempt to backup multiple Domains per Schedule: - Backup will append each Domain at the end of the previous Domain - If tape filles, a new volume will be prompted for |
Attempt to backup multiple Domains per Schedule: - Backup will prompt for a new volume at the end of the first Domain |
||
Last Updated - 2017/07/28
