HP ProLiant DL380G5-WSS 3.7.0 HP StorageWorks HP Scalable NAS File Serving Sof - Page 201
Manage filesystem quotas, Hard and soft filesystem limits, Enable or disable quotas
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10 Manage filesystem quotas The PSFS filesystem supports disk quotas, including both hard and soft limits. After quotas are enabled on a filesystem, you can use the Quotas editor provided with the Management Console to view or set quotas for specific users and groups. Hard and soft filesystem limits The PSFS filesystem supports both hard and soft filesystem quotas for users and groups. A hard quota specifies the maximum amount of disk space on a particular filesystem that can be used by files owned by the user or group. When a file owner reaches the hard limit, the filesystem will not allow the owner to create files or to increase the size of an existing file; any attempts to allocate more space will fail. The file owner will need to remove files or reduce their size until the disk usage falls below the hard limit. Soft limits provide a way to warn users (or groups) when they are about to reach their hard limit. A soft limit is typically set below the hard limit, and triggers the warning. If you want to use soft limits, you will need to configure a warning mechanism such as the Linux warnquota utility. Enable or disable quotas Quotas are enabled or disabled at the filesystem level. When quotas are enabled, the filesystem performs quota accounting to track the disk use of each user or group having an assigned filesystem quota. When you create a PSFS filesystem, you will need to specify whether quotas should be enabled or disabled on that filesystem. (See Create a filesystem, page 125.) Quotas can also be enabled or disabled on an existing filesystem. The filesystem must be unmounted. Locate the filesystem on the Management Console, right-click, and select Properties. Then go to the Quotas tab on the Properties dialog. HP Scalable NAS File Serving Software administration guide 201
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