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ibrix_edquota

Sets and manages file system quotas for users, groups, and directory trees.

Description

The ibrix_edquota command sets, lists, and deletes storage quotas for users or groups on a

specific file system. It also sets directory tree quotas, which limit the amount of storage and the

number of files that can be created on a file system located at a specific directory tree. By default,

quotas are not set.

The recommended order for handling quotas is as follows:

1. Enable quotas when creating the file system. Quotas must be enabled before quota limits can

be set. (You can also enable quotas on an existing file system. First, unmount the file system,

and then enable quotas with ibrix_fs -q -E -f FSNAME.)

2. Mount the file system.

3. For users and groups, set quota limits with ibrix_edquota -s.

4. For directory trees, create a directory tree identifier with the ibrix_fs_ops command, and

then assign quota limits to the directory tree with ibrix_edquota -s.

A quota is delimited by hard and soft storage limits defined either in megabytes of storage or as

a number of files. The hard limit is the maximum storage (in terms of file size and number of files)

allotted to a user or group. The soft limit specifies the number of megabytes or files that, when

reached, starts a countdown timer that runs until the hard storage limit is reached or seven days

elapse, whichever happens first. When the timer stops for either reason, the user or group cannot

store any more data and the system issues quota exceeded messages at each write attempt.

When setting quotas, no UID or GID can exceed 2,147,483,647. Setting user quotas to zero

removes the quotas.

Quotas information can be imported into the system from a file. The existing quotas information

can also be exported to a file. See the HP StorageWorks X9000 File Serving Software File System

User Guide for information about the quotas file.

NOTE: When a new NIS user is added, you will need to restart the Fusionmanager services

before assigning quotas to the user:

/etc/init.d/ibrix_fusionmanager restart

Synopsis

Set a quota for a single user on the specified file system:

ibrix_edquota -s -u "USER" -f FSNAME [-M SOFT_MEGABYTES] [-m

HARD_MEGABYTES] [-I SOFT_FILES] [-i HARD_FILES]

Enclose the user name in single or double quotation marks.

Set a quota for a single group on the specified file system:

ibrix_edquota -s -g "GROUP" -f FSNAME [-M SOFT_MEGABYTES] [-m

HARD_MEGABYTES] [-I SOFT_FILES] [-i HARD_FILES]

Enclose the group name in single or double quotation marks.

Assign usage limits to a directory tree quota:

ibrix_edquota -s -d NAME -f FSNAME [-M SOFT_MEGABYTES] [-m

HARD_MEGABYTES] [-I SOFT_FILES] [-i HARD_FILES]

Import quotas information from a file:

ibrix_edquota -t -p PATH [-f FSNAME]

32 X9000 File Serving Software commands

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