Notes and Constraints
This section describes the constraints and limitations on using SMS.
Server Requirements
Item |
Description |
---|---|
Server specifications |
|
OSs |
|
Available disk space |
|
File systems |
|
Shared file systems |
SMS cannot migrate data from shared file systems such as NFS or CIFS, or from NAS devices. |
Migration Constraints
Item |
Description |
---|---|
Source server quantity |
A maximum of 1,000 source servers are allowed per account. Delete the records of migrated servers in a timely manner so that other servers can continue to be migrated. |
External storage of servers |
SMS cannot migrate data from the external storage attached to a source server. |
Encrypted files |
SMS cannot migrate OSs that contain protected folders or encrypted volumes. |
Servers that run multi-node databases and Active Directory Domain Services (AD DS) |
SMS cannot migrate servers that host active directories or multi-node databases. |
Data of database applications and domain controller applications |
SMS cannot migrate data of database applications and domain controller applications. |
Applications bound to hardware |
SMS cannot migrate OSs that contain applications bound to hardware. |
Dynamic disks |
Dynamic disks in Windows systems are migrated as basic disks. After the migration is complete, the target server will not have dynamic disks. |
Unused or empty disks |
SMS only migrates disks that are attached and used on a source server. Unused disks will not be migrated. |
Servers with system volumes located on disks other than the first disk |
SMS cannot migrate servers whose system volumes are not on the first disk. |
Thinly-provisioned logical volumes |
SMS cannot migrate thinly-provisioned volumes. |
Servers with RAID arrays |
SMS cannot migrate servers with RAID arrays. |
Big data clusters and container clusters |
SMS cannot migrate clusters including but not limited to container clusters and big data clusters. |
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