磁盘卷标，也叫磁盘卷内容表（VTOC），包含：;
磁盘的分区表;
磁盘的卷名;
各分区的分区标识(分区挂接点的描述);
各分区的分区标识（分区是否可写或可挂接）;
磁盘卷标占据磁盘的第一扇区;

把一个磁盘分区的步骤：;
1.;Type;format;at;the;prompt;and;press;Return.;
2.;Choose;a;disk;by;selecting;the;number;to;the;left;corresponding;to;its;description.;
3.;Type;partition;at;the;format;prompt.;
4.;Type;print;at;the;partition;prompt.;
5.;Type;partition;number;to;change;the;root;partition.;
6.;Enter;the;new;values.;
7.;Once;you;are;satisfied;with;the;partition;table,;label;the;disk.;

命令prtvtoc可以显示某个磁盘的分区状况;
#;prtvtoc;/dev/rdsk/c0t0d0s2;
*;/dev/rdsk/c0t0d0s2;partition;map;
*;Dimensions:;
*;;512;bytes/sector;
*;;80;sectors/track;
*;;9;tracks/cylinder;
*;;720;sectors/cylinder;
*;;2500;cylinders;
*;;1151;accessible;cylinders;
*;Flags:;
*;;1:;unmountable;
*;;10:;read-only;
*;;First;Sector;Last;
*;Partition;Tag;Flags;Sector;Count;Sector;Mount;Directory;
0;2;00;0;41040;41039;/;
1;3;01;41040;65520;106559;
2;5;00;0;828720;828719;
6;4;00;106560;722160;828719;/usr;

标签：