How to Check the Status of Hot Spares and Hot Spare Pools

To view the status of a hot spare pool and its hot spares, use one of the following methods:
- From the Enhanced Storage tool within the Solaris Management Console, open the Hot Spare Pools node and select a hot spare pool. Choose Action⇒Properties to view detailed status information. For more information, see the online help.
- Run the following form of the metastat command:
```
# metastat hot-spare-pool-name
```

Example 17-8 Viewing the Status of a Hot Spare Pool

The following example shows sample output from the metastat command on a hot spare pool.

# metastat hsp001
hsp001: 1 hot spare
        c1t3d0s2                Available       16800 blocks

The metahs command can also be used to check the status of a hot spare pool.

For information on the hot spare pool states and the possible actions to take, see Hot Spare Pool States.

How to Replace a Hot Spare in a Hot Spare Pool

Become superuser.
Verify whether the hot spare is currently being used by using one of the following methods:
- From the Enhanced Storage tool within the Solaris Management Console, open the Hot Spare Pools node and select a hot spare pool. Choose Action⇒Properties. Then choose the Hot Spares panel. Follow the onscreen instructions. For more information, see the online help.
- Use the following form of the metastat command to view the status of the hot spare pool:
```
# metastat hot-spare-pool-name
```
  For more information, see the metastat(1M) man page.
To replace the hot spare, use one of the following methods:
- From the Enhanced Storage tool within the Solaris Management Console, open the Hot Spare Pools node and select a hot spare pool. Choose Action⇒Properties. Then choose the Hot Spares panel. Follow the onscreen instructions. For more information, see the online help.
- Use the following form of the metahs command:
```
# metahs -r hot-spare-pool-name current-hot-spare replacement-hot-spare
```
  -r
  
  Specifies to replace disks in the named hot spare pool.
  
  hot-spare-pool-name
  
  Specifies the name of the hot spare pool. You can also use the special keyword all to change all hot spare pool associations.
  
  current-hot-spare
  
  Specifies the name of the current hot spare that will be replaced.
  
  replacement-hot-spare
  
  Specifies the name of the slice that will replace the current hot spare in the named hot spare pool.
  
  For more information, see the metahs(1M) man page.

Example 17-9 Replacing a Hot Spare in One Hot Spare Pool

In the following example, the metastat command shows that the hot spare is not in use. The metahs -r command replaces the hot spare, /dev/dsk/c0t2d0s2, with the hot spare, /dev/dsk/c3t1d0s2, in the hot spare pool, hsp003.

# metastat hsp003
hsp003: 1 hot spare
        c0t2d0s2                Broken       5600 blocks
# metahs -r hsp003 c0t2d0s2 c3t1d0s2
hsp003: Hotspare c0t2d0s2 is replaced with c3t1d0s2

Example 17-10 Replacing a Hot Spare in All Associated Hot Spare Pools

In the following example, the keyword all replaces the hot spare, /dev/dsk/c1t0d0s2, with the hot spare, /dev/dsk/c3t1d0s2, in all its associated hot spare pools.

# metahs -r all c1t0d0s2 c3t1d0s2
hsp001: Hotspare c1t0d0s2 is replaced with c3t1d0s2
hsp002: Hotspare c1t0d0s2 is replaced with c3t1d0s2
hsp003: Hotspare c1t0d0s2 is replaced with c3t1d0s2

How to Delete a Hot Spare From a Hot Spare Pool

Become superuser.
Verify whether the hot spare is currently being used by using one of the following methods:
- From the Enhanced Storage tool within the Solaris Management Console, open the Hot Spare Pools node and select a hot spare pool. Choose Action⇒Properties. Then choose the Hot Spares panel. Follow the onscreen instructions. For more information, see the online help.
- Use the following form of the metastat command to view the status of the hot spare pool:
```
# metastat hot-spare-pool-name
```
  See the metastat(1M) man page.
To delete the hot spare, use one of the following methods:
- From the Enhanced Storage tool within the Solaris Management Console, open the Hot Spare Pools node and select a hot spare pool. Choose Action⇒Properties. Then choose the Hot Spares panel. Follow the onscreen instructions. For more information, see the online help.
- Use the following form of the metahs command:
```
# metahs -d hot-spare-pool-name current-hot-spare
```
  -d
  
  Specifies to delete a hot spare from the named hot spare pool.
  
  hot-spare-pool
  
  Specifies the name of the hot spare pool. You can also use the special keyword all to delete the hot spare from all hot spare pools.
  
  current-hot-spare
  
  Specifies the name of the current hot spare that will be deleted.
  
  For more information, see the metahs(1M) man page.

Example 17-11 Deleting a Hot Spare from One Hot Spare Pool

In the following example, the metastat command shows that the hot spare is not in use. The metahs -d command deletes the hot spare, /dev/dsk/c0t2d0s2, in the hot spare pool, hsp003.

# metastat hsp003
hsp003: 1 hot spare
        c0t2d0s2                Broken       5600 blocks
# metahs -d hsp003 c0t2d0s2

How to Enable a Hot Spare

Become superuser.
To return a hot spare to the “available” state, use one of the following methods:
- From the Enhanced Storage tool within the Solaris Management Console, open the Hot Spare Pools node and select a hot spare pool. Choose Action⇒Properties. Then, choose the Hot Spares panel. Follow the onscreen instructions. For more information, see the online help.
- Use the following form of the metahs command:
```
# metahs -e hot-spare-slice
```
  -e
  
  Specifies to enable a hot spare.
  
  hot-spare-slice
  
  Specifies the name of the slice to enable.
  
  For more information, see the metahs(1M) man page.

Example 17-12 Enabling a Hot Spare

In the following example, the metahs command places the hot spare, /dev/dsk/c0t0d0s2 in the “Available” state after it has been repaired. It is unnecessary to specify a hot spare pool.

# metahs -e c0t0d0s2

Skip Navigation Links
Exit Print View
	Solaris Volume Manager Administration Guide