Checking Attribute And Status (Pairvolchk); Figure 4.17 Pairvolchk Command Examples; Table 4.13 Pairvolchk Command Parameters - Hitachi TAGMASTORE MK-90RD011-25 User Manual

4.7

Checking Attribute and Status (Pairvolchk)

The pairvolchk command acquires and reports the attribute of a volume or group connected
to the local host (issuing the command) or remote host. The volume attribute is SMPL
(simplex), P-VOL (primary volume), or S-VOL (secondary volume). The -s[s] option reports
the pair status in addition to the attribute. Figure 4.17 shows examples of the pairvolchk
command and its output. lists and describes the pairvolchk command parameters and
returned values. Table 4.14 lists and describes the error codes for the pairvolchk command.
Table 4.15 shows the truth table for pairvolchk group status display. Table 4.16 provides the
state transition table for an HA control script using the pairvolchk and horctakeover
commands.
# pairvolchk -g
pairvolchk : Volstat is P-VOL.[status = PAIR fence = ASYNC CTGID = 2]
# pairvolchk -g
pairvolchk : Volstat is P-VOL.[status = PAIR fence = DATA ]
# pairvolchk -g oradb
pairvolchk : Volstat is P-VOL.[status = PAIR ]
# pairvolchk -g oradb
pairvolchk : Volstat is P-VOL.[status = PAIR CTGID = 1]

Figure 4.17 Pairvolchk Command Examples

Table 4.13 Pairvolchk Command Parameters
Parameter
Command Name
Format
194 Chapter 4 Performing CCI Operations
oradb
oradb
Value
pairvolchk
pairvolchk{ -h ⎪ -q ⎪ -z ⎪ -g <group> ⎪ -d <pair Vol> ⎪ -d[g] <raw_device> [MU#]
⎪ -FHORC [MU#] ⎪ -FMRCF [MU#] ⎪ -d[g] <seq#> <LDEV#> [MU#] ⎪ -c ⎪ -ss ⎪-nomsg }
TC Async
TrueCopy Sync
ShadowImage
ShadowImage at-time split