Displaying Clpr Information - Hitachi VSP F1500 User And Reference Manual

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Displaying CLPR information

The raidcom get clpr command lists and displays the status of the CLPRs in
the storage system. If no CLPRs have been created, CLPR0 is displayed as
entire cache. Display example:
# raidcom get clpr
CLPR CLPR_NAME
W(%)S(%)
000
30
001
10
003
5 0
Migrating parity groups in a CLPR
This section explains operations from checking the parity group information
to moving the parity group.
Displaying parity group information
The raidcom check the status, display the information about the parity group.
The following shows the display example of parity groups.
# raidcom get parity_grp
T GROUP Num_LDEV U(%) AV_CAP(GB) R_LVL R_TYPE SL CL
R 32-16
R 32-17
R 33-16
R 33-17
Moving parity groups
If you change the allocation of parity groups, parity groups are moved from
another CLPR. In this case, plural parity groups which configure the
5-54
Operation
overview
Confirming the CLPR
configuration.
Migrating one of the
following to other
CLPRs:
• LDEV
• parity group
• external volume
group
Verifying the CLPR
migration.
TC_CAP(MB) TU_CAP(MB) WP_CAP(MB) SF_CAP(MB) U(%)
Oracle_DB 40000
0
Oracle_DB_PROD 20000
0
Oracle_DB_BACK 10000
4 45
4 45
4 45
4 45
Provisioning operations with CCI
Command Control Interface User and Reference Guide
Description
Check the status of
the CLPRs.
Specify the LDEV
number, parity group
number, or external
volume group
number.
For parity group
migration, check the
status of the parity
group.
20000
10000
5000
140000 RAID1 2D+2D
140000 RAID1 2D+2D
140000 RAID1 2D+2D
140000 RAID1 2D+2D
Command
raidcom get clpr
raidcom modify clpr -clpr
<clpr#> { -ldev_id <ldev#> |
-parity_grp_id <gno-sgno> |
- external_grp_id <gnosgno>}
raidcom get parity_grp
4000 0 50
2000 0 50
500 0 50
DRIVE_TYPE
0 0 DKS2C-K072FC
0 0 DKS2C-K072FC
0 0 DKS2C-K072FC
0 3 DKS2C-K072FC