Secondary master hard disk fail.

第二组主要硬盘错误。

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When the master fails, the system falls back to read-only mode until one of the secondary servers is promoted to a master.

当主服务器发生故障时，系统将故障转移到只读模式，直到将其中某个辅助服务器升级为主服务器。

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KRB5LDAP client applications are designed to attempt authentication against secondary servers if the KRB5LDAP master server is down.

KRB5LDAP客户机应用程序设计为在krb5ldap主服务器停机的情况下，尝试根据从服务器执行身份验证。

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For instance, you can turn your living room and adjacent powder room into a first-floor master suite and let your adult children have your old master bedroom, or combine your son's old bedroom with the guest room and a secondary bath to create a second master suite upstairs.

WSJ: Re-feathering the Family Nest

Already, some sixth forms offer "master classes" for some bright secondary pupils, stretching them further than the standard curriculum.

BBC: NEWS | UK | Education | What future for sixth forms?

We use a Buslogic FlashPoint LT card to evaluate the SCSI drives, and we install the IDE drives as slaves to the DVD-ROM drive's master on the integrated IDE controller's secondary channel.

CNN: Top 5 CD-rewritable drives