HPE 3PAR StoreServ 7000 Storage Service And Upgrade Manual page 86

Format of Possible pdch Exception Messages
pdch LD:<ldid> "Connection path is not the same as LD ownership"
pdch ch:<initpdid>:<initpdpos> "Chunklet is on a remote disk"
pdch LD:<ldid> "LD has <count> remote chunklets"
pdch Example 1
Component ------------Summary Description------------
pdch LDs wwith connection path different than ownership
Component -Identifier- -------Detailed Description--------
pdch
pdch Suggested Action 1
Use the CLI showld, showpd, and shownode commands. If the ownership issue is not created due to a
node missing or failed PD, Contact the Hewlett Packard Enterprise Support Center to request support for
moving the LDs to the desired location for your system.
cli% showld
Id Name
MapV
19 pdsld0.0
Y N
20 pdsld0.1
Y N
21 pdsld0.2
Y N
pdch Example 2
Component -------------------Summary Description------------------- Qty
pdch LDs with connection path different than ownership
pdch LDs with chunklets on a remote disk
Component -Identifier- ---------------Detailed Description--------------
pdch LD:35
pdch ld:35
pdch Suggested Action 2
The primary I/O paths for drives are balanced between the two nodes that are physically connected to the
drive cage. The node that normally has the primary path to a drive is considered the owning node. If the
secondary node's path has to be used for I/O to the drive, that is considered remote I/O.
These messages usually indicate a node-to-cage FC path problem because the drives (chunklets) are
being accessed through their secondary path. These are usually a by product of other conditions such as
86 Troubleshooting
ld:tp-0-sd-0.1 Connection path is not the same as LD ownership
RAID -Detailed_State- Own SizeMB UsedMB Use Lgct LgId WThru
1 normal
1 normal
1 normal
Connection path is not the same as LD ownership
LD has 1 remote chunklet
1/0 256 0 P,F
1/0 7680 0 P
1/0 256 0 P
Qty
1
0 ---
0 ---
0 ---
23
18