HP StoreOnce D2D4324 HP D2D Gen2E Backup Systems Maintenance and Service Guide - Page 16

Flash Backed Write Cache (FBWC) module failures, Part numbers - storeonce d2d backup

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4 Flash Backed Write Cache (FBWC) module failures Part numbers The part number for a replacement FBWC module is: 534916-B21 If replacing this module does not resolve the problem, it may be necessary to replace the RAID controller card. See the appropriate chapter for your RAID card for more information about replacement procedures and part numbers. Identifying the battery/flash capacitor module failure Module failures are reported in the Log and, if you have email alerts set up, you will be notified of any failure. The following example illustrates an alert for a failed RAID battery: This is a system generated message from your HP StoreOnce D2D Backup System Email Notification From AB4032 6-Jun-2008 8:08:15 : The RAID battery backup has failed For further information please browse to https://AB4032.exxx.hpqcorp.net (https://nn.nn.9.92) Please do not reply to this email HP D2D4312, D2D4106 and D2D4112 The status of the cache module is also reported on the Summary and Storage-RAID pages of the Web Management Interface. The HP D2D4112 and the HP D2D4106 have one battery only. The HP D2D4312 has three flash capacitor modules; one for each RAID card. The Summary page shows that there is a flash capacitor module, but does not identify the card to which it belongs. Look at the Storage-RAID page to identify the card. The P410i card is identified as internal; the two P411 (HP D2D4312) cards are identified by their slot location. Figure 8 Example HP D2D4312 Summary page showing battery failure 16 Flash Backed Write Cache (FBWC) module failures

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4 Flash Backed Write Cache (FBWC) module failures
Part numbers
The part number for a replacement FBWC module is: 534916-B21
If replacing this module does not resolve the problem, it may be necessary to replace the RAID
controller card. See the appropriate chapter for your RAID card for more information about
replacement procedures and part numbers.
Identifying the battery/flash capacitor module failure
Module failures are reported in the Log and, if you have email alerts set up, you will be notified
of any failure. The following example illustrates an alert for a failed RAID battery:
******************************************************************************
This is a system generated message from your HP StoreOnce D2D Backup System
Email Notification From AB4032
6-Jun-2008 8:08:15 : The RAID battery backup has failed
For further information please browse to
Please do not reply to this email.
******************************************************************************
HP D2D4312, D2D4106 and D2D4112
The status of the cache module is also reported on the Summary and Storage-RAID pages of the
Web Management Interface.
The HP D2D4112 and the HP D2D4106 have one battery only.
The HP D2D4312 has three flash capacitor modules; one for each RAID card. The Summary page
shows that there is a flash capacitor module, but does not identify the card to which it belongs.
Look at the Storage-RAID page to identify the card. The P410i card is identified as internal; the
two P411 (HP D2D4312) cards are identified by their slot location.
Figure 8 Example HPD2D4312 Summary page showing battery failure
16
Flash Backed Write Cache (FBWC) module failures