ATTO Technology FastStream VT 5700 Installation And Operation Manual page 34

7 When you have completed your changes, click
Commit.
CAUTION CAUTION
During this procedure, do not power down
the host or the ATTO FastStream VT until
the Health and Status Monitor page
appears. Any interruption of power while
storage is being reorganized results in the
loss of data.
8 In the warning box, verify that you want to add
the drives to the RAID group by selecting Yes .
Selecting No ends the procedure without
making a change.
The Health and Status Monitor page appears.
9
Rebuild RAID groups
If you receive an Email notification from the
FastStream VT as set up previously using the Phone
Home error notification (refer to
Configurations on page 15) or otherwise realize a
drive has failed, and you do not have available drives
in the Hot Spares pool, follow this procedure to replace
the failed drive and manually begin a rebuild
operation. If you have available drives in the Hot Spare
pool, any failed drive is replaced by a Hot Spare
automatically.
1 Follow Preliminary steps
Diagnostics from the left menu.
2 The Diagnostics page appears. Select
Identify Drive.
3 Click Next.
4 Select the degraded drive.
5 Click Commit.
6 The LED on the degraded drive flashes.
29
ATTO Technology Inc. FastStream VT Installation and Operation Manual
Monitor Storage,
on page 27 and click
Note
The status of a drive which cannot be
accessed is listed as Unavailable. To identify
this drive, observe the access lights for all
drives in the RAID group during disk access: if
the LED is not flashing on a drive, it is the
unavailable drive.
7 When you have identified the failed drive, select
the drive in the Identify Drive box to stop the
LED flash.
Note
It is best practice to stop drive activity while
changing drives.
8 Remove the failed drive from the array.
9 Insert the new drive into the array.
10 In the ExpressNAV VTL manager, click
Manage from the left menu.
11 Click the RAID Groups arrow.
12 Select Rebuild RAID Groups .
13 Click Next .
14 At the Step 1: Select a RAID group , select
Degraded Drives from the drop down menu.
15 Degraded drives are listed under Step 2:
select a RAID group member . Select the
degraded drive to rebuild. The graphic changes
color.
16 Under Step 3: select a replacement drive ,
select the new drive. The graphic changes
color.
17 Click Commit .
18 In the warning box, verify that you want to
rebuild the RAID group by selecting Yes .
Selecting No ends the procedure without
making a change.
19 When the procedure is complete, the RAID
Group Rebuild page appears.