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重复数据删除产品特点详细对比
2009-03-16 18:45:00作者：Russ Fellows 来源：
摘要为了方便大家分析各产品的特点从而做出购买决策，本文对市场上的主要产品做了详细客观的比较，供大家参考。...
市场上发布重复数据删除产品的厂商有很多，往往让大家眼花缭乱，不知如何挑选。为了方便大家分析各产品的特点从而做出购买决策，本文对市场上的主要产品做了详细客观的比较，供大家参考。
|
Product |
Simpana 8 |
DDX |
Avamar |
DL 4000 |
SIR |
VLS |
Diligent |
|
Vendor |
Comm-Vault |
Data Domain |
EMC Corp. |
EMC Corp. |
FalconStor Software |
HP Co. |
IBM Corp. |
|
Deployment type |
Backup software |
VTL w/ storage |
Backup software |
VTL appl. w/ storage |
VTL w/ or wo storage |
VTL appl. w/ storage |
VTL appl. w/ or wo storage |
|
Dedupe cost |
Add-on |
Included |
Included |
Add-on |
Add-on |
Add-on |
Included |
|
When Dedupe |
Inline |
Inline |
Inline |
Inline and post process |
Post process |
Post process |
Inline |
|
Dedupe location |
Distributed |
Target |
Source |
Target |
Target |
Target |
Target |
|
Chunk size |
Variable |
Variable |
Variable |
Variable |
Variable |
Variable |
Variable |
|
Access method |
- |
- |
Hardware dependent |
- |
- |
- |
- |
|
NAS (NFS/CIFS) |
Yes |
Yes |
- |
No |
No |
No |
No |
|
FC primary storage |
No |
No |
- |
No |
No |
No |
No |
|
FC tape storage (VTL) |
No |
Yes |
- |
Yes |
Yes |
Yes |
Yes |
|
iSCSI primary storage |
No |
No |
- |
No |
No |
No |
No |
|
iSCSI tape storage (VTL) |
Yes |
Yes |
- |
Yes |
Yes |
Yes |
Yes |
| Product |
HydraStor DataRedux |
FAS DeDupe |
Enterprise Archive |
DXi |
S2100 w/ DeltaStor |
VTL Prime |
PureDisk |
|
Vendor |
NEC Corp. |
NetApp |
Permabit |
Quantum Corp. |
Sepaton Inc. |
Sun Inc. |
Symantec Corp. |
|
Deployment type |
Secondary storage |
Primary storage |
Secondary Storage |
VTL appl. w/ storage |
VTL w/ or wo storage |
VTL appl. w/ storage |
Backup software |
|
Dedupe Cost |
Add-on |
Included (No cost license) |
Included |
Add-on |
Add-on |
Add-on |
Included |
|
When Dedupe |
Inline |
Post Process |
Inline |
Both (Inline and post process) |
Post Process |
Post Process |
Inline |
|
Dedupe location |
Target |
Target |
Target |
Target |
Target |
Target |
Source |
|
Chunk Size |
Variable |
4 KB block |
Variable |
Variable |
Variable |
Variable |
Variable |
|
Access Method |
- |
- |
- |
- |
- |
- |
Hardware dependent |
|
NAS (NFS/CIFS) |
Yes |
Yes |
Yes |
Yes |
No |
No |
- |
|
FC primary storage |
No |
Yes |
No |
No |
No |
No |
- |
|
FC tape storage (VTL) |
No |
No |
No |
Yes |
Yes |
Yes |
- |
|
iSCSI primary storage |
No |
Yes |
No |
No |
No |
No |
- |
|
iSCSI tape storage (VTL) |
No |
No |
No |
Yes |
Yes |
Yes |
- |
(本文不涉密)
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