The mmlsnsd command
The mmlsnsd command displays information about the currently defined disks in the cluster.
For example, if you issue mmlsnsd, your
output is similar to this:
File system Disk name NSD servers
---------------------------------------------------------------------------
fs2 hd3n97 c5n97g.ppd.pok.ibm.com,c5n98g.ppd.pok.ibm.com,c5n99g.ppd.pok.ibm.com
fs2 hd4n97 c5n97g.ppd.pok.ibm.com,c5n98g.ppd.pok.ibm.com,c5n99g.ppd.pok.ibm.com
fs2 hd5n98 c5n98g.ppd.pok.ibm.com,c5n97g.ppd.pok.ibm.com,c5n99g.ppd.pok.ibm.com
fs2 hd6n98 c5n98g.ppd.pok.ibm.com,c5n97g.ppd.pok.ibm.com,c5n99g.ppd.pok.ibm.com
fs2 sdbnsd c5n94g.ppd.pok.ibm.com,c5n96g.ppd.pok.ibm.com
fs2 sdcnsd c5n94g.ppd.pok.ibm.com,c5n96g.ppd.pok.ibm.com
fs2 sddnsd c5n94g.ppd.pok.ibm.com,c5n96g.ppd.pok.ibm.com
fs2 sdensd c5n94g.ppd.pok.ibm.com,c5n96g.ppd.pok.ibm.com
fs2 sdgnsd c5n94g.ppd.pok.ibm.com,c5n96g.ppd.pok.ibm.com
fs2 sdfnsd c5n94g.ppd.pok.ibm.com,c5n96g.ppd.pok.ibm.com
fs2 sdhnsd c5n94g.ppd.pok.ibm.com,c5n96g.ppd.pok.ibm.com
(free disk) hd2n97 c5n97g.ppd.pok.ibm.com,c5n98g.ppd.pok.ibm.comTo find out the local device names for these disks, use the mmlsnsd command with the -m option. For example, issuing mmlsnsd -m produces output similar to this:
Disk name NSD volume ID Device Node name Remarks
------------------------------------------------------------------------------------
hd2n97 0972846145C8E924 /dev/hdisk2 c5n97g.ppd.pok.ibm.com server node
hd2n97 0972846145C8E924 /dev/hdisk2 c5n98g.ppd.pok.ibm.com server node
hd3n97 0972846145C8E927 /dev/hdisk3 c5n97g.ppd.pok.ibm.com server node
hd3n97 0972846145C8E927 /dev/hdisk3 c5n98g.ppd.pok.ibm.com server node
hd4n97 0972846145C8E92A /dev/hdisk4 c5n97g.ppd.pok.ibm.com server node
hd4n97 0972846145C8E92A /dev/hdisk4 c5n98g.ppd.pok.ibm.com server node
hd5n98 0972846245EB501C /dev/hdisk5 c5n97g.ppd.pok.ibm.com server node
hd5n98 0972846245EB501C /dev/hdisk5 c5n98g.ppd.pok.ibm.com server node
hd6n98 0972846245DB3AD8 /dev/hdisk6 c5n97g.ppd.pok.ibm.com server node
hd6n98 0972846245DB3AD8 /dev/hdisk6 c5n98g.ppd.pok.ibm.com server node
hd7n97 0972846145C8E934 /dev/hd7n97 c5n97g.ppd.pok.ibm.com server node To obtain extended information for NSDs, use the mmlsnsd command
with the -X option. For example, issuing mmlsnsd
-X produces output similar to this:
Disk name NSD volume ID Device Devtype Node name Remarks
---------------------------------------------------------------------------------------------------
hd3n97 0972846145C8E927 /dev/hdisk3 hdisk c5n97g.ppd.pok.ibm.com server node,pr=no
hd3n97 0972846145C8E927 /dev/hdisk3 hdisk c5n98g.ppd.pok.ibm.com server node,pr=no
hd5n98 0972846245EB501C /dev/hdisk5 hdisk c5n97g.ppd.pok.ibm.com server node,pr=no
hd5n98 0972846245EB501C /dev/hdisk5 hdisk c5n98g.ppd.pok.ibm.com server node,pr=no
sdfnsd 0972845E45F02E81 /dev/sdf generic c5n94g.ppd.pok.ibm.com server node
sdfnsd 0972845E45F02E81 /dev/sdm generic c5n96g.ppd.pok.ibm.com server node The mmlsnsd command is fully described in the Command reference section in the IBM Storage Scale: Administration Guide.