beautypg.com

Hitachi TAGMASTORE MK-90RD011-25 User Manual

Page 258

background image

240

Chapter 4 Performing CCI Operations

Parameter Value

-vg [type]: Specifies the following guard type to the target volumes for Data Retention Utility (Open LDEV

Guard on 9900V). If [type] is not specified, this option will disable all of the guarding.
inv: The target volumes are concealed from SCSI Inquiry command by responding “unpopulated volume”.
sz0: The target volumes replies with “SIZE 0” through SCSI Read capacity command.
rwd: The target volumes are disabled from reading and writing.
wtd: The target volumes are disabled from writing.
svd: If the target volume is SMPL, it is protected from paircreate (from becoming an SVOL).

If the target volume is PVOL, it is protected from pairresync restore or pairresync swaps(p).

If the target volume is SVOL_PSUS(SSUS), it is protected from pairresync synchronous copy.

[rtime]: Specifies the retention time, in units of day. If [rtime] is not specified, the default time defined by

the storage system will be used. The default time is “zero” in 9900V microcode version 21-08-xx. This

option is ignored (default = infinite) in 9900V microcode version 21-06-xx or 21-07-xx.
This option sets each four flags for guarding type as follows:
type INQ RCAP READ WRITE

inv

1 1 1 1

Sz0

0 1 1 1

rwd

0 0 1 1

wtd

0 0 0 1

Returned values

The command sets either of the following returned values in exit(), which allows users to check the

execution results using a user program.
Normal termination: 0

Abnormal termination:
The raidvchkset -vg option command returns the following error code (see Table 4.28 below) as well as

generic error (refer to Table 5.3).

Table 4.28 Specific Error Code for raidvchkset -vg Option

Category

Error Code

Error Message

Recommended Action

Value

Volume Status
Unrecoverable

EX_EPRORT Mode

changes

denied

due to retention time

Please confirm the retention time for a target

volume by using raidvchkscan -v gflag command.

208