4.4.1Create snapshot volume

unfortunate reason it might be (e.g. virus attack, data corruption, human errors and so on). Snap UDV is allocated within the same VG in which the snapshot is taken, we suggest to reserve 20% of VG size or more for snapshot space. Please refer to Figure 4.4.1 for snapshot concept.

Figure 4.4.1

Caution

Snapshot /rollback features need 512MB RAM at least. Please also refer to RAM certification list in Appendix A.

4.4.1Create snapshot volume

To take a snapshot of the data, please follow the procedures.

1.Select “/ Volume config / User data volume”.

2.Choose a UDV to do snapshot by clicking the blue square button

Manual background” in the “Snapshot (GB)” column, it will direct to a setup page. The maximum snapshot space is 2TB which user can setup the space no bigger than 2048GB.

3.Set up the size for snapshot. The size is suggested to be 20% of UDV

size at least, then click “Manual background“. It will go back to the UDV page and the size will show in snapshot column. It may not be the same as the number entered because some is reserved for snapshot internal usage. There will be 2 numbers in “Snapshot (GB)” column.

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APC SCSI-SATA II manual Create snapshot volume, Select “/ Volume config / User data volume”