Print the details of a specified device.
nlvm [nlvm_options] list device <device_name>
Command Option
Mandatory. Specify the desired device.
Example
sdb
Command Example
Print the details for the /dev/sdb device.
The device details include the following values. Most labels are self-explanatory.
Label |
Description |
---|---|
Name |
Device name such as sdb or raid1 |
Size |
Total amount of space on the device in KB, MB, GB, or TB, and the number of whole sectors in that space Size=623.91MB (1277773) |
Used |
Used space on the device in KB, MB, GB, or TB, and the number of whole sectors in that space. |
Free |
Available space on the device in KB, MB, GB, or TB, and the number of whole sectors in that space |
Format |
MSDOS, GPT, CSM (legacy EVMS Cluster Segment Manager), LVM (clustered Linux LVM volume), None (not initialized) |
Shared |
Yes or No; whether this device is marked as Shareable for Clustering |
RAID |
Yes or No; whether this is an NSS software RAID device |
M:M |
Major:Minor numbers, such as 8:112 |
H:S |
Heads:Sectors geometry per track, such as 255:32 |
SectorSize (logical/physical) |
Logical or physical sector size of a device |
Provisioning |
Thick or Thin provisioning type |
If the device contains partitions, it provides the following information:
Label |
Description |
---|---|
Part Partition= |
Partition name such as sdb1.1, sdc2, or cluster.sbd |
Type |
Partition type, including NSS, NSS RAID, SBD, Linux, Linux_swap, LVM |
Size |
Amount of space allocated to the partition in KB, MB, GB, or TB |
Sectors |
Number of whole sectors allocated to the partition |
Pool |
If the partition is the NSS type, the name of the pool that resides on the partition (if any) |
For NSS software RAID devices, it provides the following information:
Label |
Description |
---|---|
RAID |
No or RAID type (0, 1, or 5) |
Sync |
Yes or %; whether the RAID is in sync or if a sync is in progress |
Segs |
Number of segments defined for the RAID |
Enbl |
Yes or No; whether the RAID is enabled on this node |
Missing |
Segment number (if any) that is missing in the RAID |
Stripe |
RAID stripe size in bytes (typically KB) for RAID types 0 and 5 |
For RAID segments, it provides the following information:
Label |
Description |
---|---|
Segment |
Segment index number |
Name |
Segment name, such as sdb1.4 |
Device |
Name of the device that contains the segment, such as sdb |
Size |
Segment size in KB, MB, GB, or TB |
Sectors |
Number of whole sectors allocated to the partition |
nlvm list device sdf Name=sdf Size=1.63TB(3515088896) Used=801.00GB(1679818816) Free=875.12GB(1835269816) Format=GPT Shared=Yes RAID=No M:M=8:80 H:S=255:32 SectorSize(logical/physical)=4096b/4096b Provisioning=Thin Partitions on the device: Part Type Size Sectors Pool sdf1.1 NSS 500.00GB 1048576000 DATA sdf1.2 NSS 300.00GB 629145600 WEB sdf1.3 NSS 1.00GB 2097152 DATA3
nlvm list device RD1 Name=RD1 Size=1023.98MB(2097120) Used=1023.98MB(2097120) Free=0KB(0) Format=None Shared=Yes RAID=1 Sync=NoEbl M:M=254:3 H:S=255:32 SectorSize(logical/physical)=4096b/4096b Provisioning=Thin Segs=2 Enbl=No Segments of the RAID: Segment Name Device Size Sectors Sync 0 sde1.1 sde 1.00GB 2097152 NoEbl 1 sdf1.3 sdf 1.00GB 2097152 NoEbl
nlvm list device MYRAID0 Name=MYRAID0 Size=15.00GB(31457280) Used=10.00GB(20971552) Free=4.99GB(10485728) Format=MSDOS Shared=Yes RAID=0 Sync=NoEbl M:M=254:4 H:S=255:32 SectorSize(logical/physical)=512b/512b Provisioning=Thick Segs=3 Enbl=No Missing=None Stripe=64k Segments of the RAID: Segment Name Device Size Sectors 0 sdj1.1 sdj 5.00GB 10485792 1 sdi1.1 sdi 5.00GB 10485792 2 sdh1.1 sdh 5.00GB 10485792 Partitions on the device: Part Type Size Sectors Pool MYRAID0p1.1 NSS 10.00GB 20971520 DATA4