HP StorageWorks 4000/6000/8000 .HP StorageWorks SAN Design Reference Guide, Pa - Page 338
XP Continuous Access Journal configuration
View all HP StorageWorks 4000/6000/8000 manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 338 highlights
Rule nl number Description 7 HP recommends that the P-jnls and S-jnls in a journal group be the same size and have the same number and type of LDEVs. 8 An XP 3DC configuration requires minimum firmware versions for XP24000/20000 and XP12000/10000: • Two topologies are supported; cascaded (1:1:1) and multi-target (1:2) (see Figure 116). • Delta resync is supported with XP12000/10000, but is not supported with XP24000/20000. XP12000/10000 firmware earlier than 50.08.05.00/00 did not support creating Business Copy from the devices used for both Synchronous and Journal replication in a 3DC configuration. Firmware version 50.08.05.00/00 (or later) allows creation of Business Copy from these devices, but does not allow a fast-restore operation for a Business Copy device. 9 A P-vol can support a maximum of two remote copies (one Continuous Access Journal copy and one Continuous Access Synchronous copy). 10 Requires a minimum guaranteed network bandwidth link that matches the average host writes of all MCU journals being serviced. Journal capacity must be capable of buffering data until off-peak times. • For 256 Mb/s or higher, set the line speed to 256. • For 100 to 256 Mb/s, set the line speed to 100. • For 10 to 100 Mb/s, set the line speed to 10. Note: A minimum of 16Mb/s of IP bandwidth per path is required. P-jnl Journal group S-jnl Consistency group P-vol RCU I S-vol I RCU Primary site Secondary site 25321a Figure 114 XP Continuous Access Journal configuration . Journal group 6GB P-vol 9GB 6GB 8GB S-vol 12GB Consistency group ID 25322a Figure 115 XP Continuous Access P-jnl and S-jnl groups . 338 SAN extension