IBM FlashSystem 900, Service Manual

Page: 366 / 546

3746-900 MAPs
‡ —
Processor Backup
──────────────────────────────────────────────────────────────────────
Select a processor:
Processor Primary Backup Automatic Fallback Switchback
Type Processor Processor Fallback State Requested
┌──────────────────────────────────────────────────────────────────┐
│ CLP
2112 2176 no no no │
.1/
├──────────────────────────────────────────────────────────────────┤
│ CLP
2176 2112 no yes no │
.2/
├──────────────────────────────────────────────────────────────────┤
│ CLP
2240 no no no │
.3/
├──────────────────────────────────────────────────────────────────┤
│ CLP
2304 no no no │
.3/
└──────────────────────────────────────────────────────────────────┘
┌─────────────┐ ┌──────────┐ ┌────────────┐ ┌────────┐ ┌──────┐
│ Change Data │ │ Fallback │ │ Switchback │ │ Cancel │ │ Help │
└─────────────┘ └──────────┘ └────────────┘ └────────┘ └──────┘
ˆ ˜
Notes:
1.
.1/
and
.2/
These lines indicates that the CLP line addresses range from 2112 and from 2176
can be backup for each other.
2.
.2/
This line with a "yes" in the fallback state column indicates that the primary processor (2176)
is controlling the LICs of the backup processor (2112).
3.
.3/
These lines indicate that the CLPs have no backup.
¹
Note if the suspected CLP is backuped by another one, then click on the "Cancel" key.
Does the suspected primary CLP have a backup CLP with a "Yes" in the fallback state column?
Yes No
002
Test the suspected CLP. Go to Step 004 on page 2-109
003
The resources of the suspected CLP are under the control of the backup CLP.
Test the CLP which does the backup. Go to Step 004 on page 2-109.
2-108
3746-900: Service Guide