IMPORTANT: It is very important that failed disks are replaced promptly.
In order to ensure that you are alerted to disk failures ensure that either or both of SNMP traps
and email alerts are configured so that in the event of a disk failure you are notified immediately
and can take action to replace the disks.
Note that ALL enclosures of storage must be working for the system to operate; if the RAID fails
on any one enclosure due to exceeding the maximum amount of failed disks then ALL data is
lost. In the case of the HPE StoreOnce 2700 or 2900 Backup system, if more than one disk fails
then the data and operating system are lost and a “Quick Restore” of the appliance OS will be
required before the unit can be used again.
Ordering the correct replacement disk for a failed disk
It is important to replace a failed or predictive failed disks as soon as possible. Multiple disk
failures within the same array will result in complete data loss.
Note that ALL enclosures of storage must be working for the system to operate; if the RAID fails
on any one enclosure due to exceeding the maximum amount of failed disks in a pool then ALL
data is lost. In the case of the HPE StoreOnce 2900 or 2700 Backup system, if more than one
disk fails then the data and operating system are lost and a “Quick Restore” of the appliance OS
will be required before the unit can be used again.
IMPORTANT: HPE strongly recommends replacing a failed disk with a fresh disk from the
factory. Do not substitute a disk from another RAID set.
In the event of a disk failure on the HPE StoreOnce 4500 or 4700 Backup system, it is important
to identify whether the disk is in the server unit or the attached shelf, because different disks are
used in the two locations and the carriers are different.
Always quote the serial number and product number for the enclosure that contains the failed
disk so that support can replace the correct part.
Table 11 Disk types
Part numberWhere usedDisk
653954-001HPE StoreOnce 4700 Backup (2
disks), server unit
HP 1TB 7.2K SAS 2.5" SC Hard Disk
Drive
653948-001HPE StoreOnce 4500 (12 disks) and
2700 (4 disks)
HP 2TB 7.2K SAS 3.5" SC Hard Disk
Drive
695842-001HPE StoreOnce 2900 Backup (6-12
disks)
ZHP 4TB 6G SAS 7.2K 3.5in MDL
SC HDD
743403–001HPE StoreOnce 24TB (12 disks)
Capacity Upgrade Kits
HP 2TB 6G SAS MDL Hard Disk
Drive
743405–001HPE StoreOnce 48TB (12 disks)
Capacity Upgrade Kits
SPS-DRV HD 4TB 6G 7.2K 3.5 SAS
MDL STOR
Replacing a hot-plug hard disk in a StoreOnce 4900, 4700, 2900 or 2700
Backup system
1. If you are using HPE StoreOnce Remote Support on your system, run the following StoreOnce
CLI command to suppress remote event reporting:
system enable remoteeventsuppression "Disk Maintenance"
2. Identify the disk that has failed as described above.
36 Disk replacement
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