Novell LINUX ENTERPRISE SERVER 10 SP3 - ARCHITECTURE-SPECIFIC, Руководство администратора

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92 SLES 10 SP3: Storage Administration Guide
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To assign a spare device to the RAID:
1 Prepare the disk as needed to match the other members of the RAID.
2 In EVMS, select the Actions > Add > Spare Disk to a Region (the
addspare
plug-in for the
EVMS GUI).
3
Select the RAID device you want to manage from the list of Regions, then click Next .
4 Select the device to use as the spare disk.
5
Click Add .
The
md
driver automatically begins the replacement and reconstruction or synchronization
process.
6 Monitor the status of the RAID to verify the process has begun.
For information about how monitor RAID status, see
Section 6.6, “Monitoring Status for a
RAID,” on page 92 .
7 Continue with Section 6.5.4, “Removing the Failed Disk,” on page 92 .
6.5.4 Removing the Failed Disk
You can remove the failed disk at any time after it has been replaced with the spare disk. EVMS
does not make the device available for other use until you remove it from the RAID. After you
remove it, the disk appears in the
Available-Objects list in the EVMS GUI, where it can be used for
any purpose.
NOTE: If you pull a disk or if it is totally unusable, EVMS no longer recognizes the failed disk as
part of the RAID.
The RAID device can be active and in use when you remove its faulty object.
1 In EVMS, select the Actions > Remove > Faulty Object from a Region (the
remfaulty
plug-in
the EVMS GUI).
2
Select the RAID device you want to manage from the list of Regions, then click Next .
3 Select the failed disk.
4
Click Remove .
6.6 Monitoring Status for a RAID
Š Section 6.6.1, “Monitoring Status with EVMSGUI,” on page 92
Š
Section 6.6.2, “Monitoring Status with /proc/mdstat,” on page 93
Š Section 6.6.3, “Monitoring Status with mdadm,” on page 93
Š
Section 6.6.4, “Monitoring a Remirror or Reconstruction,” on page 95
Š Section 6.6.5, “Configuring mdadm to Send an E-Mail Alert for RAID Events,” on page 95
6.6.1 Monitoring Status with EVMSGUI
The Regions tab in EVMS GUI (
evmsgui
) reports any software RAID devices that are defined and
whether they are currently active.