SpaceGuard SRM vs. Native Windows Quotas |
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| SpaceGuard SRM offers far more control over user disk space consumption than the standard native Windows 2000 and 2003 quotas. By using directory quotas, SmartQuota technology, extensive alerting capabilities (SMS, pager, popup, email, SNMP, eventlog), quotas on NT environments and rapid deployment and configuration options, SpaceGuard SRM surpasses Windows 2000/2003 quotas in functionality, performance and ease of use. |
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Disk Quota comparison: |
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Notifications comparison: |
| | Windows quotas | SpaceGuard SRM | | Popup alerting | | | | E-mail alerting | | | | Pager and SMS alerting | | | | Event log alerting | | | | Command line actions | | | | Repetition and delay on all alarm actions | | | | Execute alerts when exceeding quota | | | | Execute alerts when dropping below disk quota limit | | | |
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Other features: |
| | Windows quotas | SpaceGuard SRM | | Command line interface for scripting | | | | Easy API for application integration | | | |
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| Multiple disk quota limits: |
| Each disk quota can have one or more limits. A limit is a percentage based on the disk quota size. If you have for example a fixed disk quota size of 50MB and you define a limit of 100% and assign an alert, the alert will be executed when the 50MB has been exceeded. This way, you can assign multiple limits to a single quota, for instance: Fixed disk quota size, 50MB:
Limit 1: 80%, send a popup to the user assigned to the quota. (executed at 40MB)
Limit 2: 90%, send a popup to the administrator. (executed at 45MB)
Limit 3: 100%, revoke the write access of the user assigned to the quota. (exectued at 50MB)
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| Auto-Add quotas |
An Auto-Add disk quota removes the need to add a disk quota each time a directory is added. Each time a directory is created (inside a specified directory) a quota is set on that directory using a predefined policy or custom sizes/limits. The SpaceGuard SRM service continuously scans the local computer's file system for directory changes. If a new subfolder is created under the branch where the Auto-Add disk quota is active, SpaceGuard SRM automatically creates a new quota according to the Auto-Add policy. Also, whenever subfolders under an Auto-Add quota root are removed, the related quota is also removed automatically. This is extemely useful for large and rapidly changing home directory shares. Each time a new home folder inside for example G:\UserData is created, you want each home directory to get a 50MB disk quota with a standard size and limit policy. All you have to do is create an Auto-Add quota on G:\UserData, customize the sizes and limits, and notice how SpaceGuard SRM creates all quota's automatically.
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| Configurable disk quota policies |
| Quota policies are used to store configuration settings such as quota size, limits and alarm actions in a single policy. When creating quota's later on, you can use this policy for one-step deployment. |
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| Quota enforcement |
The revoke access alarm action can be used to deny write access to the quota's directory for a single user or an entire group of users. When linked to a certain quota limit, SpaceGuard SRM will revoke the access rights by setting explicit 'Deny' write in the directory's ACL. When the limit is no longer exceeded, SpaceGuard SRM will revert back to the original access rights and restore the ACL including the owner to its original state. This also happens when deleting a quota that was previously revoked by SpaceGuard SRM. |
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| Pager and SMS alerting |
| The Pager-SMS alarm action can send standard formatted page and SMS messages to any compatible pager and mobile phone worldwide. SpaceGuard SRM supports a wide range of international telecom providers to relay these messages. |
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