What is the difference between BBC and DCC?

BBC uses the Vxlan technology to interconnect the BBC network with the Baidu public cloud network, so that it can directly provide the BBC service for users in the cloud environment, and users can directly restart, start/stop and reinstall BBC physically.
DCC provides users with a dedicated host after the virtualization. Users can create and manage any proportion of virtual machines on this host, and users can only perform the start/stop and release functions of created virtual machine, but can not operate the host at any physical level.
BBC is more suitable for users who put forward the special performance requirements or software installation requirements for the underlying baremetal compute. When you use the BBC products, you do not need to modify and adapt to the existing business architecture, which is free and efficient.
You can refer to the Introduction to Baidu Baremetal Compute (BBC).

Which availability zones can provide BBC?

At present, BBC is provided in Beijing, Baoding, Guangzhou, Suzhou and Wuhan regions.

Is BBC provided with public IP?

You can bind the purchased EIP to BBC. At this time, the system backend maps the public IP to the BCC internal IP after the multiple transformations. Therefore, do not change the BCC network settings at will to avoid the resource connection failure.

Can CDS be used on BBC?

At present, BBC does not support associated CDS temporarily. Therefore, if there is a large demand for disk usage when you purchase BBC, directly purchase the package type with higher disk configuration, or associate with BOS for the use.

Can BCC install RedHat operating system?

For the image supported currently, see Image List. In addition to the images in this list, other images are not supported temporarily.

Can the security group be associated on BBC?

The second generation BCC supports the security Groups feature. A naming convention of the package comes with the suffix S, for instance, BBC-I4-01S. At present, the first generation BBC does not allow to associate with the security group temporarily. Therefore, if you want to implement the access control of public IP and ports, it is recommended that you configure iptables in the system. If you do not know how to configure it, you can submit a ticket for consultation. If funds permit, it is recommended that you migrate to the second generation BCC.

What is the SOA implementation method of Linux non-system disk mount rule?

The non-system disk mount rule is implemented through SOA. For differentiated users, the partition, format and mount of new disk are required after the replacement of hard disk in this scenario. The prerequisite of the mount operation is to provide the original mount parameters.

Operating Method

1. Format Disk Method

   mke2fs -F -t ${rms_root_partition_type} -b 4096 -i 8192 -I 256 -m0 ${partition_one}

2. Method for raid

MegaCli -CfgSpanAdd -r10 "$raid_array_group" $m_write_policy $m_read_policy $m_cache_enabled -strpsz$m_strip_size -a0 MegaCli -CfgLdAdd -r$raid_type "[${raid_group}]" $m_write_policy $m_read_policy $m_cache_enabled -strpsz$m_strip_size -a0

How can BBC ensure the reliability of local disk data?

Image BBC to back up the system disk data (for the specific steps, see Create Custom Image. It can improve the reliability of local data disk by creating RAID, and it supports RAID1, RAID5 and RAID10.

Can BBC install vmware virtualization itself?

At present, the physical server BBC can install vmware.

Is failover supported after BBC failure?

It is not supported at this stage.

Does the BBC support scale-up and configuration change?

It is not supported at this stage.

How to create a custom image?

soa packs the system, and then uploads it to glance.

Are BCC and BBC images flat and universal?

They are not universal at this stage.