Error while adding  replaced disk to the root mirror Solaris:/etc/vx/bin> vxdg -g rootdg -k adddisk rootdisk=c1t4d0s2 VxVM vxdg ERROR V-5-1-10127 associating disk-media rootdisk with c1t4d0s2:    Disk public region is too small   Resolution:  Solaris :/etc/vx/bin> vxdisk list DEVICE       TYPE            DISK         GROUP        STATUS c1t4d0s2     auto:sliced     -            -            online                   replaced disk c2t0d0s2     auto:none       -            -            online invalid [...]

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Solaris Multipathing software MPXIO operate now with new arrays using other protocols like SAS or iscsi, . The old Solaris luxadm command still manage FC arrays, but mpathadm command has been developed to work on all the arrays using FC, SAS, and Iscsi connections.

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  Re-adding a disk is same procedure as replacing a failed disk, except we use same disk. We have to detach the disk  from vxvm, so that the VxVM will detect the disk failure and will cease access to the failed disk.  You can then perform any special procedures to correct the problem, such as [...]

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Solaris Zone: Container Creation

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Below is the sample scenario where we tried to restore the dead paths of SAN connection using the powermt commands. Warning: Please use any of these commands only if you  understand the current storage setup of your server clearly. 

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This post explains you the information on the TCP retransmission measurement using netstat -s for Solaris. A system with a high retransmission rate indicates network congestion and can cause network oriented applications (like web servers) to operate slowly. Procedure to Calculate TCP retransmission rate: TCP expects acknowledgments from the destination system when it successfully receives segments from the [...]

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