Section 5.2.3, Section 5.2.3), In section 5.2.3 – HP StorageWorks Scalable File Share User Manual
Page 106
Creating and modifying file systems
5–22
LUN (WWID) Logical Drive
---- ----------------------------------- ----------
7 a44a62b2-1727001e ok
8 a44a62bb-e9ee001f ok
9 a44a62c0-05140020 ok
10 a44a62a4-5c200021 ok
11 a44a62a9-c6610022 ok
12 a44a62ad-a2730023 ok
As a general rule, where there are two Smart Array 6404 adapters on each server, the LUNs on the
following ports should be paired:
•
On the first server:
•
scsi-1/1
with
scsi-3/1
•
scsi-2/1
with
scsi-4/1
•
On the second server:
•
scsi-1/2
with
scsi-3/2
•
scsi-2/2
with
scsi-4/2
5.2.3 Step 3: Using the create filesystem command — SFS20 storage
CAUTION:
HP recommends that you do not create file systems while the HP SFS system is under load from
client nodes.
Before you enter the
create filesystem
command, ensure that all servers are running. In addition,
verify that all LUNs are operating normally; you must have performed the tests described in Section 6.1.4
You can use the
create filesystem
command in two modes:
•
Interactive mode, where you enter command with no parameters, and you are then prompted to enter
each of the parameters.
•
Scripted mode, where you enter the command with all of the file system parameters.
Section 5.2.3.1 describes how to use the
create filesystem
command in interactive mode.
Section 5.2.3.2 describes how to use the
create filesystem
command in scripted mode.
The time it takes to create a file system varies considerably depending on a number of factors, including the
following:
•
The size of the OST and MDS LUNs
•
The number of OST LUNs in the file system
•
Whether the OST or MDS LUNs are mirrored
Most of the time that is taken to create the file system is spent on formatting (
mkfs
command) the OST and
MDS LUNs. After you have entered the file system information, the
create filesystem
command
attempts to calculate the length of time it will take to format the OST and MDS LUNs, and displays a message
similar to the following:
OST initialization will take about 64 minutes
MDS initialization will take about 120 minutes
In general, the estimated time is greater than the actual time taken to format the OST or MDS LUNs.