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ERROR V-5-1-10127 "Associating disk-media <media_name> with cXtXdXs2: Disk public region is too small" reported for VxVM Dg
Article: 100029704
Last Published: 2021-12-14
Ratings: 0 0
Product(s): InfoScale & Storage Foundation
Problem
For a Veritas Volume Manager Diskgroup (VxVM vxdg) there is an error reported for public region
Error
ERROR V-5-1-10127 "Associating disk-media <media_name> with cXtXdXs2: Disk public region is too small
Solution
Note A replacement disk should have the same disk geometry as the disk that failed. That is, the replacement disk should have the same bytes per sector, sectors per track, tracks per cylinder and sectors per cylinder, same number of cylinders, and the same number of accessible cylinders.
Use the
1. If the replacement disk is the same size as the disk that failed, confirm that the geometry of the replacement disk is the same, using the
Example:
Use the
prtvtoc
command to obtain disk information.
1. If the replacement disk is the same size as the disk that failed, confirm that the geometry of the replacement disk is the same, using the
prtvtoc
command.
Example:
In below example c15t0d22s2 is the replacement disk and c15t0d23s2 is a disk of the same disk group and volume.
***********************
***********************
Geometry of c15t0d22s2:
***********************
***********************
# prtvtoc /dev/rdsk/c15t0d22s2
*/dev/rdsk/c15t0d22s2 partition map
*
* Dimensions:
* 512 bytes/sector
* 254 sectors/track
* 20tracks/cylinder
* 5080sectors/cylinder
* 13995cylinders
* 13993accessible cylinders
*Flags:
* 1:unmountable
* 10:read-only
*
*Unallocated space:
* First Sector Last
* Sector Count Sector
* 5080 5080 10159
*
* First Sector Last
*Partition Tag Flags Sector Count Sector Mount Directory
2 5 01 0 71084440 71084439
3 15 01 0 5080 5079
4 14 01 10160 71074280 71084439
***********************
Geometry of c15t0d23s2:
***********************
Although both devices are 33Gs in size, the total number of sectors for c15t0d22s2 calculates is slightly smaller than the total number of sectors for c15t0d23s2.
***********************
# prtvtoc /dev/rdsk/c15t0d23s2
*/dev/rdsk/c15t0d23s2 partition map
*
* Dimensions:
* 512 bytes/sector
* 254 sectors/track
* 20tracks/cylinder
* 5080sectors/cylinder
* 13998cylinders
* 13996accessiblecylinders
*
*Flags:
* 1:unmountable
* 10:read-only
*
* First Sector Last
*Partition Tag Flags Sector Count Sector Mount Directory
2 5 01 0 71099680 71099679
3 15 01 0 5080 5079
4 14 01 5080 71094600 71099679
Although both devices are 33Gs in size, the total number of sectors for c15t0d22s2 calculates is slightly smaller than the total number of sectors for c15t0d23s2.
Since the public region consists of the entire size of the disk (minus the size of the private region), Volume Manager reports the 'Disk public region is too small' error.
There are two ways to correct this issue:
There are two ways to correct this issue:
a) Replace the failed disk with a larger disk.
OR
b) Replace the failed disk with a disk consisting of the same geometry.