Red Hat GLOBAL FILE SYSTEM 4.7 Guía de usuario descargar pdf (Pagina 26)

Installing and configuring HP XC systems2–6

In both cases, the name of the HP SFS system must resolve on the HP XC system. HP recommends you do

this in the /etc/hosts file.

Verify that the alias works—for example, use the ssh(1) command to log on to the HP SFS system.

When you have finished adding and verifying the HP SFS server alias, proceed to Section 2.2.6 to verify

that each file system can be mounted.

2.2.6 Step 6: Verifying that each file system can be mounted

Before proceeding with the tests described here, make sure that the file systems you intend to mount have

been created on the HP SFS system. Refer to Chapter 4 of the HP StorageWorks Scalable File Share System

User Guide for instructions on how to view file system information.

When you have confirmed that the file systems have been created, verify that you can mount each of the

file systems on the head node, as shown in the following example, where the data file system is mounted:

# sfsmount http://south/data /data

If a file system does not mount successfully, see Section 2.2.6.1 for more information.

When you have verified that the file system has been mounted, unmount the file system as shown in the

following example:

# sfsumount /data

Repeat the mount test for each file system that will be mounted on the client nodes.

When you have finished verifying that each file system can be mounted, proceed to Section 2.2.7 to create

the /etc/sfstab.proto file.

2.2.6.1 If a file system does not mount successfully

To mount successfully, a file system must be in the started or recovering state when the mount

operation is attempted. You can determine the state of the file system using the sfsmgr show

filesystem command, as shown in the following example:

# ssh south sfsmgr show filesystem

Name State Services

------------- -------------- ----------------------------------

data recovering mds9: recovering, ost[1-12]: running

hptc_cluster started mds10: recovering, ost[13-14]: running

In this example, the hptc_cluster file system is in the started state and the data file system is in the

recovering state.

• If the file system you are attempting to mount is started, but the mount operation fails, see

Section 7.2.1 of this guide, and Chapter 9 of the HP StorageWorks Scalable File Share System User

Guide for information on troubleshooting mount operation failures.

• If the file system is stopped or is in any state other than started or recovering, you must start the

file system or otherwise correct the situation before proceeding. Refer to Chapter 9 of the

HP StorageWorks Scalable File Share System User Guide for information on troubleshooting file

system problems.

• If the file system is in the recovering state, attempt to mount the file system using the sfsmount

command as described earlier. The mount operation will behave in one of the following ways:

• The mount operation may complete normally.

• The mount operation may fail immediately with an Input/output error message. In this

case, wait for the file system to move to the started state before trying the mount operation

again.

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