HP StorageWorks XP24000 Continuous Access Journal Software User and Reference Guide, v01 (T5278-96001, June 2007)

• Inflow Control: Indicates whether to restrict inflow of update I/Os to the journal volume (in other
words, whether to slow delay response to hosts).
Yes indicates inflow will be restricted. No in dicates inflow will not be restr icted.
• Data Overflow Watch: Indicates the time (in seconds) for monitoring whether metadata and
journal data are full.
Note: Data Overflow Watch displays nothing when one of the following conditions is satisfied:
• Inflow Control is No.
• Copy Pace: Indicates the pace for an initial copy activity for one volume.
One
of the following is displayed: High, Medium,or Low.
Notes:
• By default, the pace for a n initial copy activity is Low.
• Copy Pace displays nothing if the journal group is a restore journal group.
• Use of Cac he: Indicates whether to store journal data in the restore journal group into the cache.
• Use: Journal data will be stored into the cache.
Note: When there is insu fficient space in the cache, journal data will also be stored into
the
journal volume.
• Not Use: Journal data will not be stored into the cache.
Caution: This setting does not take effect on master journal groups. However, if the RAID
Manager
horctakeover command is used to change a master journal group into a restore journal
group, this setting will take effect on the journal group. If you set Use, this setting only takes effect
on the journal volumes of RAID-5 or RAID-6 that are in the journal group. For external volumes,
non-RAID-5 journal volumes, and non-RAID-6 journal volumes, Use works the same as Not Use.
• Speed of Line: Indicates the line speed of data transfer. The unit is Mbps (megabits per second).
One
of the following is displayed: 256, 100,or 10.
Caution: This setting does not take effect on master journal groups. However, if the RAID
Manager
horctakeover command is used to change a master journal group into a restore journal
group, this setting will take effect on the journal g roup.
• JNL Volumes: Displays a list of registered journal volumes.
• Parity Group: Indicates the parity group where a journal volume belongs.
• LDKC:CU:LDEV: Indicates the LDKC number, the CU number and the LDEV number of a
journal volume.
• Capacity: Indicates the capa city of a journal volume in gigabytes.
• Emulation: Indicates the emulation type of a journal volume.
• CLPR: Indicates the number and the nam e of the CLPR where the journal volume belongs.
• Mirrors:Displays a list of mirrors.
• Mirror ID:Indicates amirrorID.
This column is blank if the attribute of the journal group is neither Master nor Restore.
• Status: Indicates the status of a journal group (or a m irror) in the local storage system.
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