IBM Storwize V7000 Unified Problem Determination Guide

Control enclosure-related issues
This section covers the recovery procedures that involve control enclosure issues.
Recovering when file volumes come back online
Use this procedure to recover a file system after all the file volumes are back
online after a repair or recovery action.
About this task
Each fix procedure that brings the file volumes back online also suggests that you
run this procedure. This procedure checks that the file systems have also come
back online.
Perform the following steps to check that the file systems are back online after
their file volumes are back online following an outage.
Procedure
1. In the management GUI, check that all volumes are back online.
2. Go to Monitoring > Events and click the Block tab.
3. Run any Next recommended action.
4. When all volumes are back online, go to Filesystems in the management GUI.
5. If any file systems are not online, recover them by using the recover a GPFS file
system procedure. See “Recovering a GPFS file system” on page 196.
6. If there are file systems that have not come back online, go to Monitoring >
Events and click the File tab to fix any errors.
7. If there are any stale NFS handle errors for the offline file systems, follow the
“Working with file modules that report a stale NFS file handle” on page 403.
Recovering when a file volume does not come back online
An offline volume can normally be fixed by performing the fix procedure for the
event in the management GUI.
About this task
Procedure
To run the fix procedures, perform the following steps:
1. Log in to the Storwize V7000 Unified management GUI.
2. Go to Monitoring > Events and click the Block tab.
3. Run any Next recommended action.
Results
If the fix procedures do not bring back a file system volume online, contact your
service provider for assistance.
Recovering from offline compressed volumes
Recovering from offline compressed volumes. Getting them back online.
When a Storwize V7000 storage pool (MDisk Group) runs out of space:
410 Storwize V7000 Unified: Problem Determination Guide 2073-720

IBM Storwize V7000 Unified Specifications

General

Model	IBM Storwize V7000 Unified
Storage Type	Unified Storage
RAID Levels	RAID 0, 1, 5, 6, 10
Form Factor	2U
Drive Types Supported	SAS, SSD
Maximum Drives	504
Network Protocols	iSCSI, FC, FCoE
Drive Bays	24 per enclosure
Host Interface	8 Gb FC, 1 Gb/10 Gb iSCSI
File Protocols	NFS, CIFS
Block Protocols	iSCSI, Fibre Channel
Type	Unified Storage
Maximum Host Ports	16
Operating System Support	VMware, Microsoft Windows, Linux, AIX
Data Services	Thin provisioning, replication
Power Supply	Redundant power supplies
Host Interfaces	8 Gbps Fibre Channel, 10 Gbps iSCSI, 1 Gbps iSCSI