HP NetRAID-4M Configuration and Upgrade Guide (Release 5)

Chapter 9 Issues and Problem Resolution

arrays) get created, using one of the NSS Providers (Update Provider Information

option), we can retrieve the newly created containers and show them as free space.

If any of the new containers changes in size or gets deleted, the NSS Update Provider

Information option does not reflect these changes, and neither does “List Devices”

or “Scan devices for new hardware” options. The traditional NetWare file system

(NWFS) performs as expected and it is not affected by the current NSS design.

Example: Using either CLI (command line interface) on the NetWare server or

using the FAST GUI on a Windows based client, first delete an NSS container, then

attempt to recreate a bigger container (for example, 1 GB to 2 GB). NetWare will

see the increase in disk space, but only after either reloading NSS services or

rebooting. The workaround is to update to the latest support pack, then reload NSS

services.

Workaround: The only way to get the current, updated configuration is to unload

NSS services (NSS exit) and load it again (NSS). The entire process takes about 15

seconds depending on the configuration.

62 NetWare splitting mirrors

Problem: One of the features of the NetRAID-4M controller is the “Split Mirror”

function. Due to Operating System limitations this capability is not functioning

properly. When the container is created on the disk, it assigns a disk stamp. In RAID

1 the disks are mirrored and the same stamp is on both disks/partitions. When they

are split, there are now two disks/partitions with identical stamps, between which the

operating system cannot distinguish. Thus the disk stamp has to be unique.

The likelihood of this problem occurring is rare. The split command has very limited

applicability. The only scenario where this command could be used is duplicating a

system configuration. It would require the operating system to be installed on the

mirror that is going to be split. Once the command completes, one half of the mirror

would have to be removed immediately. On the new system, a new network address,

a new license, and a new server name need to be provided in order for the system to

coexist with the first one.

Workaround: Currently there is no workaround. For the latest updates on this and

other issues, see the Release Notes on HP's web site at:

http://www.hp.com/

63 NetWare SCSI agents for LP 2000r will hang with NetRAID-4M FAST

Problem: The following combination of events will lead to a server hang:

• LP 2000r only