Removing The Failed Disk; Monitoring Status For A Raid; Monitoring Status With Evmsgui; Monitoring Status With /Proc/Mdstat - Novell LINUX ENTERPRISE SERVER 10 - STORAGE ADMINISTRATION GUIDE FOR EVMS Administration Manual

6 Monitor the status of the RAID to verify the process has begun.
7 Continue with

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-
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

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.

6.6.2 Monitoring Status with /proc/mdstat

A summary of RAID and status information (active/not active) is available in the /proc/mdstat
file.
1 Open a terminal console, then log in as the root user or equivalent.
2 View the /proc/mdstat file by entering the following at the console prompt:
3 Evaluate the information.
68 SLES 10 Storage Administration Guide for EVMS
For information about how monitor RAID status, see
RAID," on page 68.
Section 6.5.4, "Removing the Failed Disk," on page
in the EVMS GUI).
Section 6.6.1, "Monitoring Status with EVMSGUI," on page 68
Section 6.6.2, "Monitoring Status with /proc/mdstat," on page 68
Section 6.6.3, "Monitoring Status with mdadm," on page 69
Section 6.6.4, "Monitoring a Remirror or Reconstruction," on page 71
Section 6.6.5, "Configuring mdadm to Send an E-Mail Alert for RAID Events," on page 71
cat /proc/mdstat
The following table shows an example output and how to interpret the information.
Section 6.6, "Monitoring Status for a
68.