Hp StorageWorks Scalable File Share Uživatelský manuál stáhnout pdf (Strana 98)

Creating and modifying file systems5–14

5.1.7 Step 7: Backing up the system database

Back up the system database, as follows:

1. Back up the database, as follows:

# sfsmgr

sfs> create database_backup

2. Save the backup file to an external system, as shown in the following example, where the full name of

the backup file is /var/hpls.local/hplsdb_20040311-1041.tar.gz, the external system

host address is 16.123.123.1, and the account on the host is named fred:

# scp /var/hpls.local/hplsdb_200403011-1041.tar.gz \

[email protected]:/home/fred

5.2 Creating a file System — SFS20 storage

This section describes how to create a file system on an HP SFS system that uses SFS20 storage. (For

information on creating a file system on an HP SFS system that uses EVA4000 storage, see Section 5.1.)

To create a file system on an HP SFS system that uses SFS20 storage, perform the following tasks:

1. Assign roles to LUNs (optional) (see Section 5.2.1).

2. Identify file system information (see Section 5.2.2).

3. Use the create filesystem command to create the file system (see Section 5.2.3).

4. Back up the system database (see Section 5.2.4).

5.2.1 Step 1: Assigning roles to LUNs — SFS20 storage (optional)

When you use the configure array array_number command to configure an SFS20 storage array

during system installation, the system automatically assigns roles to the LUNs that are created by the

configure array array_number command (refer to Appendix J of the HP StorageWorks Scalable

File Share System Installation and Upgrade Guide for more information on the configure array

array_number command). Specifically, the configure array array_number command creates

LUNs with an MDS role on SFS20 arrays that are attached to the MDS server and creates LUNs with an

OST role on SFS20 arrays that are attached to Object Storage Servers. You can use the show lun

command to find out the role of each LUN, as follows:

sfs> show lun

LUN Array Role Used by Size(GB) Preferred Server Visible to

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

1 1 service south1 1 - south[1-2]

2 1 adm south1 40

- south[1-2]

3 1 mds - 1050 south2 south[1-2]

4 2 svcspare - 1 - south[1-2]

5 2 admspare - 40

- south[1-2]

6 2 mds - 1050 south2 south[1-2]

7 3 service south3 1 - south[3-4]

8 3 ost - 1050 south3 south[3-4]

9 4 svcspare - 1 - south[3-4]

10 4 ost - 1050 south4 south[3-4]

11 5 service south5 1 - south[5-6]

12 5 ost - 1050 south5 south[5-6]

13 6 svcspare - 1 - south[5-6]

14 6 ost - 1050 south6 south[5-6]

1 2 ... 93 94 95 96 97 98 99 100 101 102 103 ... 361 362

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